From 80602add3dfe97e4af3a4d0c4ff2b8ba675ef390 Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@fedoraproject.org>
Date: Jul 12 2022 08:46:57 +0000
Subject: Merge #200 `Add tests that actually test spec file generation`


---

diff --git a/rust2rpm/__main__.py b/rust2rpm/__main__.py
index 8ae8361..3f40d0a 100644
--- a/rust2rpm/__main__.py
+++ b/rust2rpm/__main__.py
@@ -15,29 +15,18 @@ import shutil
 import sys
 import tarfile
 import tempfile
-import time
 import subprocess
 
-import jinja2
 import requests
 import tqdm
 
-from . import Metadata, licensing, __version__
-from .metadata import normalize_deps
+from . import Metadata, licensing, generator
 
 DEFAULT_EDITOR = "vi"
 XDG_CACHE_HOME = os.getenv("XDG_CACHE_HOME", os.path.expanduser("~/.cache"))
 CACHEDIR = os.path.join(XDG_CACHE_HOME, "rust2rpm")
 API_URL = "https://crates.io/api/v1/"
 DIST_GIT_URL = "https://src.fedoraproject.org/api/0/"
-JINJA_ENV = jinja2.Environment(
-    loader=jinja2.ChoiceLoader([
-        jinja2.FileSystemLoader(["/"]),
-        jinja2.PackageLoader("rust2rpm", "templates"),
-    ]),
-    extensions=["jinja2.ext.do"],
-    trim_blocks=True,
-    lstrip_blocks=True)
 LICENSES = re.compile(r"""
          COPYING(?:[.-].*)?|COPYRIGHT(?:[.-].*)?|
          EULA(?:[.-].*)?|[Ll]icen[cs]e|[Ll]icen[cs]e.*|
@@ -333,10 +322,6 @@ def make_diff_metadata(args, crate, version):
         shutil.copy2(cratef, os.path.join(os.getcwd(), f"{metadata.name}-{version}.crate"))
     return crate, diff, metadata, doc_files, license_files
 
-def to_list(s):
-    if not s:
-        return []
-    return list(filter(None, (l.strip() for l in s.splitlines())))
 
 def detect_rpmautospec(default_target, spec_file):
     """Guess whether %autorelease+%autochangelog should be used
@@ -412,9 +397,7 @@ def exit_on_common_errors():
     except FileNotFoundError as e:
         sys.exit(str(e))
 
-
-@exit_on_common_errors()
-def main():
+def get_parser():
     default_target = get_default_target()
 
     parser = argparse.ArgumentParser("rust2rpm",
@@ -461,6 +444,13 @@ def main():
                                       "path/to/project/",
                         nargs="?")
     parser.add_argument("version", nargs="?", help="crates.io version")
+
+    return parser
+
+
+@exit_on_common_errors()
+def main():
+    parser = get_parser()
     args = parser.parse_args()
 
     if args.show_license_map:
@@ -481,34 +471,9 @@ def main():
 
     crate, diff, metadata, doc_files, license_files = make_diff_metadata(args, args.crate, args.version)
 
-    JINJA_ENV.globals["normalize_deps"] = normalize_deps
-    JINJA_ENV.globals["to_list"] = to_list
-    template = JINJA_ENV.get_template("main.spec")
-
-    if args.patch and len(diff) > 0:
-        patch_file = f"{metadata.name}-fix-metadata.diff"
-    else:
-        patch_file = None
-
-    kwargs = {}
-    kwargs["generator_version"] = __version__
-    kwargs["crate"] = crate
-    kwargs["target"] = args.target
-
-    bins = [tgt for tgt in metadata.targets if tgt.kind == "bin"]
-    libs = [tgt for tgt in metadata.targets if tgt.kind in {"lib", "rlib", "proc-macro"}]
-    is_bin = len(bins) > 0
-    is_lib = len(libs) > 0
-    if is_bin:
-        kwargs["include_main"] = True
-        kwargs["bins"] = bins
-    elif is_lib:
-        kwargs["include_main"] = False
-    else:
-        raise ValueError("No bins and no libs")
-    kwargs["include_devel"] = is_lib
+    patch_file = f"{metadata.name}-fix-metadata.diff" if diff else None
 
-    kwargs["pkg_name"] = pkg_name = package_name_suffixed(metadata.name, args.suffix)
+    pkg_name = package_name_suffixed(metadata.name, args.suffix)
     spec_file = pathlib.Path(f"{pkg_name}.spec")
 
     if args.target in {"fedora"} and args.existence_check and not os.path.exists(spec_file):
@@ -527,58 +492,13 @@ def main():
             print("Re-run with --no-existence-check if you still want to start from scratch.")
             sys.exit(1)
 
-    kwargs["auto_changelog_entry"] = args.auto_changelog_entry
-
-    rpmautospec = args.rpmautospec
-    if rpmautospec is None:
-        rpmautospec = detect_rpmautospec(args.target, spec_file)
-    kwargs["rpmautospec"] = rpmautospec
-
-    kwargs["relative_license_paths"] = args.relative_license_paths
-
-    if args.target in {"fedora", "mageia", "opensuse"}:
-        kwargs["include_build_requires"] = True
-        kwargs["include_provides"] = False
-        kwargs["include_requires"] = False
-    elif args.target == "plain":
-        kwargs["include_build_requires"] = True
-        kwargs["include_provides"] = True
-        kwargs["include_requires"] = True
-    else:
-        assert False, f"Unknown target {args.target!r}"
-
-    if args.target == "mageia":
-        kwargs["pkg_release"] = "%mkrel 1"
-        kwargs["rust_group"] = "Development/Rust"
-    elif args.target == "opensuse":
-        kwargs["spec_copyright_year"] = time.strftime("%Y")
-        kwargs["pkg_release"] = "0"
-        kwargs["rust_group"] = "Development/Libraries/Rust"
-    elif rpmautospec:
-        kwargs["pkg_release"] = "%autorelease"
-    else:
-        kwargs["pkg_release"] = "1%{?dist}"
+    if args.rpmautospec is None:
+        args.rpmautospec = detect_rpmautospec(args.target, spec_file)
 
     if args.dynamic_buildrequires is None:
         args.dynamic_buildrequires = args.target == "fedora"
 
-    kwargs["generate_buildrequires"] = args.dynamic_buildrequires
-
-    if args.target in {"opensuse"}:
-        kwargs["date"] = time.strftime("%a %b %d %T %Z %Y")
-    else:
-        kwargs["date"] = time.strftime("%a %b %d %Y")
     packager_identity = detect_packager()
-    if packager_identity is not None:
-        kwargs["packager"] = packager_identity
-
-    if metadata.license is not None:
-        license, comments = licensing.translate_license(args.target, metadata.license)
-        kwargs["license"] = license
-        kwargs["license_comments"] = comments
-
-    kwargs["doc_files"] = doc_files
-    kwargs["license_files"] = license_files
 
     conf = configparser.ConfigParser(interpolation=configparser.ExtendedInterpolation())
     confs = conf.read([".rust2rpm.conf", "_rust2rpm.conf", "rust2rpm.conf"])
@@ -600,16 +520,24 @@ def main():
     if args.target not in conf:
         conf.add_section(args.target)
 
-    kwargs["distconf"] = conf[args.target]
-
     conf_all_features = conf[args.target].getboolean("all-features")
-    kwargs["all_features"] = conf_all_features or args.all_features
-
     if conf_all_features is False and args.all_features:
         print("WARNING: Conflicting settings for enabling all features: The setting is \"false\"")
         print("         in rust2rpm.conf but it was enabled with the \"--all-features\" CLI flag.")
 
-    spec_contents = template.render(md=metadata, patch_file=patch_file, **kwargs)
+    spec_contents = generator.spec_file_render(
+        args = args,
+        pkg_name = pkg_name,
+        crate = crate,
+        metadata = metadata,
+        patch_file = patch_file,
+        packager_identity = packager_identity,
+        doc_files = doc_files,
+        license_files = license_files,
+        distconf = conf[args.target],
+        all_features = conf_all_features or args.all_features,
+    )
+
     if args.stdout:
         print(f"# {spec_file}")
         print(spec_contents)
diff --git a/rust2rpm/generator.py b/rust2rpm/generator.py
new file mode 100644
index 0000000..6d5d641
--- /dev/null
+++ b/rust2rpm/generator.py
@@ -0,0 +1,111 @@
+import time
+
+import jinja2
+
+from . import __version__, metadata, licensing
+
+def to_list(s):
+    if not s:
+        return []
+    return list(filter(None, (l.strip() for l in s.splitlines())))
+
+def spec_file_template():
+    env = jinja2.Environment(
+        loader=jinja2.ChoiceLoader([
+            jinja2.FileSystemLoader(['/']),
+            jinja2.PackageLoader('rust2rpm', 'templates'),
+        ]),
+        extensions=['jinja2.ext.do'],
+        trim_blocks=True,
+        lstrip_blocks=True)
+
+    env.globals['normalize_deps'] = metadata.normalize_deps
+    env.globals['to_list'] = to_list
+
+    return env.get_template('main.spec')
+
+def spec_file_render(
+        args,
+        pkg_name,
+        crate,
+        metadata,
+        patch_file,
+        packager_identity,
+        doc_files,
+        license_files,
+        distconf,
+        all_features,
+        date=None,
+):
+    template = spec_file_template()
+
+    bins = [tgt for tgt in metadata.targets if tgt.kind == "bin"]
+    libs = [tgt for tgt in metadata.targets if tgt.kind in {"lib", "rlib", "proc-macro"}]
+    is_bin = len(bins) > 0
+    is_lib = len(libs) > 0
+
+    kwargs = {
+        'generator_version': __version__,
+        'target': args.target,
+        'crate': crate,
+        'include_devel': is_lib,
+        'pkg_name': pkg_name,
+        'auto_changelog_entry': args.auto_changelog_entry,
+        'rpmautospec': args.rpmautospec,
+        'relative_license_paths': args.relative_license_paths,
+        'generate_buildrequires': args.dynamic_buildrequires,
+        'doc_files': doc_files,
+        'license_files': license_files,
+        'distconf': distconf,
+        'all_features': all_features,
+    }
+
+    if is_bin:
+        kwargs['include_main'] = True
+        kwargs['bins'] = bins
+    elif is_lib:
+        kwargs['include_main'] = False
+    else:
+        raise ValueError('No bins and no libs')
+
+    if args.target in {'fedora', 'mageia', 'opensuse'}:
+        kwargs['include_build_requires'] = True
+        kwargs['include_provides'] = False
+        kwargs['include_requires'] = False
+    elif args.target == 'plain':
+        kwargs['include_build_requires'] = True
+        kwargs['include_provides'] = True
+        kwargs['include_requires'] = True
+    else:
+        assert False, f'Unknown target {args.target!r}'
+
+    if args.target == 'mageia':
+        kwargs['pkg_release'] = '%mkrel 1'
+        kwargs['rust_group'] = 'Development/Rust'
+    elif args.target == 'opensuse':
+        kwargs['spec_copyright_year'] = time.strftime('%Y')
+        kwargs['pkg_release'] = '0'
+        kwargs['rust_group'] = 'Development/Libraries/Rust'
+    elif args.rpmautospec:
+        kwargs['pkg_release'] = '%autorelease'
+    else:
+        kwargs['pkg_release'] = '1%{?dist}'
+
+    time_args = (['%a %b %d %T %Z %Y' if args.target in {'opensuse'} else '%a %b %d %Y'] +
+                 ([date] if date else []))
+    kwargs['date'] = time.strftime(*time_args)
+
+    if packager_identity is not None:
+        kwargs['packager'] = packager_identity
+
+    if metadata.license is not None:
+        license, comments = licensing.translate_license(args.target, metadata.license)
+        kwargs["license"] = license
+        kwargs["license_comments"] = comments
+
+    spec_contents = template.render(
+        metadata=metadata,
+        patch_file=patch_file,
+        **kwargs) + '\n'
+
+    return spec_contents
diff --git a/rust2rpm/templates/fedora-changelog.spec.inc b/rust2rpm/templates/fedora-changelog.spec.inc
index 5200a90..74994d2 100644
--- a/rust2rpm/templates/fedora-changelog.spec.inc
+++ b/rust2rpm/templates/fedora-changelog.spec.inc
@@ -1,2 +1,2 @@
-* {{ date }} {{ packager|default("rust2rpm <nobody@fedoraproject.org>") }} - {{ md.version }}-1
+* {{ date }} {{ packager|default("rust2rpm <nobody@fedoraproject.org>") }} - {{ metadata.version }}-1
 - Initial package
diff --git a/rust2rpm/templates/mageia-changelog.spec.inc b/rust2rpm/templates/mageia-changelog.spec.inc
index 222813b..c803363 100644
--- a/rust2rpm/templates/mageia-changelog.spec.inc
+++ b/rust2rpm/templates/mageia-changelog.spec.inc
@@ -1,2 +1,2 @@
-* {{ date }} {{ packager|default("rust2rpm <nobody@mageia.org>") }} - {{ md.version }}-1
+* {{ date }} {{ packager|default("rust2rpm <nobody@mageia.org>") }} - {{ metadata.version }}-1
 - Initial package
diff --git a/rust2rpm/templates/main.spec b/rust2rpm/templates/main.spec
index ee69224..4f0c09b 100644
--- a/rust2rpm/templates/main.spec
+++ b/rust2rpm/templates/main.spec
@@ -8,24 +8,26 @@
   {% set only_main = True %}
 {% endif %}
 
-%global crate {{ md.name }}
-{% if md.name != crate %}
+%global crate {{ metadata.name }}
+{% if metadata.name != crate %}
 %global real_crate {{ crate }}
 {% endif %}
 
 Name:           {{ pkg_name }}
-Version:        {{ md.version }}
+Version:        {{ metadata.version }}
 Release:        {{ pkg_release }}
-{% if md.description is none %}
+{% if metadata.description is none %}
 Summary:        # FIXME
 {% else %}
-Summary:        {{ md.summary }}
+Summary:        {{ metadata.summary }}
 {% endif %}
 {% if rust_group is defined %}
 Group:          {{ rust_group }}
 {% endif %}
 
-# Upstream license specification: {{ md.license|default("(missing)") }}
+{% if metadata.license != license %}
+# Upstream license specification: {{ metadata.license|default("(missing)") }}
+{% endif %}
 License:        {{ license|default("# FIXME") }}
 {% if license_comments is not none %}
 {{ license_comments }}
@@ -49,11 +51,11 @@ BuildRequires:  rust-packaging >= 21
 {% endif %}
 {% if not generate_buildrequires %}
   {% if not all_features %}
-    {% set buildrequires = normalize_deps(md.requires("default", resolve=True))|sort %}
+    {% set buildrequires = normalize_deps(metadata.requires("default", resolve=True))|sort %}
   {% else %}
-    {% set buildrequires = normalize_deps(md.all_dependencies)|sort %}
+    {% set buildrequires = normalize_deps(metadata.all_dependencies)|sort %}
   {% endif %}
-  {% set testrequires = normalize_deps(md.dev_dependencies)|sort %}
+  {% set testrequires = normalize_deps(metadata.dev_dependencies)|sort %}
   {% set has_buildrequires = (buildrequires + testrequires)|length > 0 %}
   {% if has_buildrequires and not only_main %}
   {% endif %}
@@ -75,10 +77,10 @@ BuildRequires:  {{ req }}
 {% endif %}
 
 %global _description %{expand:
-{% if md.description is none %}
+{% if metadata.description is none %}
 %{summary}.
 {%- else %}
-{{ md.description|wordwrap }}
+{{ metadata.description|wordwrap }}
 {%- endif %}
 }
 
@@ -118,7 +120,7 @@ Requires:       {{ req }}
 {% endif -%}
 
 {% if include_devel %}
-  {% set features = md.dependencies.keys()|list %}
+  {% set features = metadata.dependencies.keys()|list %}
   {% do features.remove(None) %}
   {% do features.remove("default") %}
   {% set features = features|sort %}
@@ -142,11 +144,11 @@ Group:          {{ rust_group }}
     {% endif %}
 BuildArch:      noarch
     {% if include_provides %}
-Provides:       {{ md.provides(feature) }}
+Provides:       {{ metadata.provides(feature) }}
     {% endif %}
     {% if include_requires %}
 Requires:       cargo
-      {% for req in normalize_deps(md.requires(feature))|map("string")|sort %}
+      {% for req in normalize_deps(metadata.requires(feature))|map("string")|sort %}
 Requires:       {{ req }}
       {% endfor %}
     {% endif %}
@@ -184,7 +186,7 @@ use {% if feature is not none %}the "{{ feature }}" feature of {% endif %}the "%
 {% endif -%}
 
 %prep
-{% if md.name != crate %}
+{% if metadata.name != crate %}
 %autosetup -n %{real_crate}-%{version_no_tilde} -p1
 {% else %}
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/rust2rpm/templates/opensuse-changelog.spec.inc b/rust2rpm/templates/opensuse-changelog.spec.inc
index 8849edd..5b8b310 100644
--- a/rust2rpm/templates/opensuse-changelog.spec.inc
+++ b/rust2rpm/templates/opensuse-changelog.spec.inc
@@ -1,3 +1,3 @@
 * {{ date }} {{ packager|default("rust2rpm <opensuse-packaging@opensuse.org>") }}
-- Version {{ md.version }}
+- Version {{ metadata.version }}
 - Initial package
diff --git a/rust2rpm/templates/opensuse-header.spec.inc b/rust2rpm/templates/opensuse-header.spec.inc
index b1e98be..87592dd 100644
--- a/rust2rpm/templates/opensuse-header.spec.inc
+++ b/rust2rpm/templates/opensuse-header.spec.inc
@@ -1,5 +1,5 @@
 #
-# spec file for package rust-{{ md.name }}
+# spec file for package rust-{{ metadata.name }}
 #
 # Copyright (c) {{ spec_copyright_year }} {{ packager|default("SUSE LINUX GmbH, Nuernberg, Germany") }}.
 #
diff --git a/rust2rpm/tests/samples/cxx-build-1.0.71.fedora.spec b/rust2rpm/tests/samples/cxx-build-1.0.71.fedora.spec
new file mode 100644
index 0000000..5d80487
--- /dev/null
+++ b/rust2rpm/tests/samples/cxx-build-1.0.71.fedora.spec
@@ -0,0 +1,121 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate cxx-build
+%global real_crate cxx-build-1.0.71
+
+Name:           rust-cxx-build-1.0.71
+Version:        1.0.71
+Release:        %autorelease
+Summary:        C++ code generator for integrating `cxx` crate into a Cargo build
+
+License:        MIT OR Apache-2.0
+URL:            https://crates.io/crates/cxx-build-1.0.71
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          cxx-build-1.0.71-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(cc/default) >= 1.0.49 with crate(cc/default) < 2.0.0~)
+BuildRequires:  (crate(codespan-reporting/default) >= 0.11.0 with crate(codespan-reporting/default) < 0.12.0~)
+BuildRequires:  (crate(once_cell/default) >= 1.9.0 with crate(once_cell/default) < 2.0.0~)
+BuildRequires:  (crate(proc-macro2/span-locations) >= 1.0.39 with crate(proc-macro2/span-locations) < 2.0.0~)
+BuildRequires:  (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~)
+BuildRequires:  (crate(scratch/default) >= 1.0.0 with crate(scratch/default) < 2.0.0~)
+BuildRequires:  (crate(syn/clone-impls) >= 1.0.95 with crate(syn/clone-impls) < 2.0.0~)
+BuildRequires:  (crate(syn/full) >= 1.0.95 with crate(syn/full) < 2.0.0~)
+BuildRequires:  (crate(syn/parsing) >= 1.0.95 with crate(syn/parsing) < 2.0.0~)
+BuildRequires:  (crate(syn/printing) >= 1.0.95 with crate(syn/printing) < 2.0.0~)
+%if %{with check}
+BuildRequires:  (crate(cxx-gen/default) >= 0.7.0 with crate(cxx-gen/default) < 0.8.0~)
+BuildRequires:  (crate(pkg-config/default) >= 0.3.0 with crate(pkg-config/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+C++ code generator for integrating `cxx` crate into a Cargo build.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/cxx-build
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+experimental-async-fn-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+experimental-async-fn-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "experimental-async-fn" feature of the "%{crate}" crate.
+
+%files       -n %{name}+experimental-async-fn-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parallel-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+parallel-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parallel" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parallel-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/rust2rpm/tests/samples/cxx-build-1.0.71.mageia.spec b/rust2rpm/tests/samples/cxx-build-1.0.71.mageia.spec
new file mode 100644
index 0000000..41c830f
--- /dev/null
+++ b/rust2rpm/tests/samples/cxx-build-1.0.71.mageia.spec
@@ -0,0 +1,129 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate cxx-build
+%global real_crate cxx-build-1.0.71
+
+Name:           rust-cxx-build-1.0.71
+Version:        1.0.71
+Release:        %mkrel 1
+Summary:        C++ code generator for integrating `cxx` crate into a Cargo build
+Group:          Development/Rust
+
+# Upstream license specification: MIT OR Apache-2.0
+License:        MIT or ASL 2.0
+URL:            https://crates.io/crates/cxx-build-1.0.71
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          cxx-build-1.0.71-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(cc/default) >= 1.0.49 with crate(cc/default) < 2.0.0~)
+BuildRequires:  (crate(codespan-reporting/default) >= 0.11.0 with crate(codespan-reporting/default) < 0.12.0~)
+BuildRequires:  (crate(once_cell/default) >= 1.9.0 with crate(once_cell/default) < 2.0.0~)
+BuildRequires:  (crate(proc-macro2/span-locations) >= 1.0.39 with crate(proc-macro2/span-locations) < 2.0.0~)
+BuildRequires:  (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~)
+BuildRequires:  (crate(scratch/default) >= 1.0.0 with crate(scratch/default) < 2.0.0~)
+BuildRequires:  (crate(syn/clone-impls) >= 1.0.95 with crate(syn/clone-impls) < 2.0.0~)
+BuildRequires:  (crate(syn/full) >= 1.0.95 with crate(syn/full) < 2.0.0~)
+BuildRequires:  (crate(syn/parsing) >= 1.0.95 with crate(syn/parsing) < 2.0.0~)
+BuildRequires:  (crate(syn/printing) >= 1.0.95 with crate(syn/printing) < 2.0.0~)
+%if %{with check}
+BuildRequires:  (crate(cxx-gen/default) >= 0.7.0 with crate(cxx-gen/default) < 0.8.0~)
+BuildRequires:  (crate(pkg-config/default) >= 0.3.0 with crate(pkg-config/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+C++ code generator for integrating `cxx` crate into a Cargo build.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+Group:          # FIXME
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/cxx-build
+
+%package        devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+experimental-async-fn-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+experimental-async-fn-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "experimental-async-fn" feature of the "%{crate}" crate.
+
+%files       -n %{name}+experimental-async-fn-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parallel-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+parallel-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parallel" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parallel-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 1970 Jane Jane <jane@jane.org> - 1.0.71-1
+- Initial package
diff --git a/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec b/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec
new file mode 100644
index 0000000..63cc21f
--- /dev/null
+++ b/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec
@@ -0,0 +1,146 @@
+#
+# spec file for package rust-cxx-build
+#
+# Copyright (c) 2022 Jane Jane <jane@jane.org>.
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
+#
+
+# Generated by rust2rpm 21
+%bcond_without check
+
+%global crate cxx-build
+%global real_crate cxx-build-1.0.71
+
+Name:           rust-cxx-build-1.0.71
+Version:        1.0.71
+Release:        0
+Summary:        C++ code generator for integrating `cxx` crate into a Cargo build
+Group:          Development/Libraries/Rust
+
+License:        MIT OR Apache-2.0
+URL:            https://crates.io/crates/cxx-build-1.0.71
+Source:         %{crates_source}
+# PATCH-FIX-OPENSUSE cxx-build-1.0.71-patch1.diff -- Initial patched metadata
+Patch:          cxx-build-1.0.71-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(cc/default) >= 1.0.49 with crate(cc/default) < 2.0.0~)
+BuildRequires:  (crate(codespan-reporting/default) >= 0.11.0 with crate(codespan-reporting/default) < 0.12.0~)
+BuildRequires:  (crate(once_cell/default) >= 1.9.0 with crate(once_cell/default) < 2.0.0~)
+BuildRequires:  (crate(proc-macro2/span-locations) >= 1.0.39 with crate(proc-macro2/span-locations) < 2.0.0~)
+BuildRequires:  (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~)
+BuildRequires:  (crate(scratch/default) >= 1.0.0 with crate(scratch/default) < 2.0.0~)
+BuildRequires:  (crate(syn/clone-impls) >= 1.0.95 with crate(syn/clone-impls) < 2.0.0~)
+BuildRequires:  (crate(syn/full) >= 1.0.95 with crate(syn/full) < 2.0.0~)
+BuildRequires:  (crate(syn/parsing) >= 1.0.95 with crate(syn/parsing) < 2.0.0~)
+BuildRequires:  (crate(syn/printing) >= 1.0.95 with crate(syn/printing) < 2.0.0~)
+%if %{with check}
+BuildRequires:  (crate(cxx-gen/default) >= 0.7.0 with crate(cxx-gen/default) < 0.8.0~)
+BuildRequires:  (crate(pkg-config/default) >= 0.3.0 with crate(pkg-config/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+C++ code generator for integrating `cxx` crate into a Cargo build.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+Group:          # FIXME
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/cxx-build
+
+%package        devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+experimental-async-fn-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+experimental-async-fn-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "experimental-async-fn" feature of the "%{crate}" crate.
+
+%files       -n %{name}+experimental-async-fn-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parallel-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+parallel-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parallel" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parallel-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 03:25:45 GMT 1970 Jane Jane <jane@jane.org>
+- Version 1.0.71
+- Initial package
diff --git a/rust2rpm/tests/samples/cxx-build-1.0.71.plain.spec b/rust2rpm/tests/samples/cxx-build-1.0.71.plain.spec
new file mode 100644
index 0000000..3466690
--- /dev/null
+++ b/rust2rpm/tests/samples/cxx-build-1.0.71.plain.spec
@@ -0,0 +1,144 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate cxx-build
+%global real_crate cxx-build-1.0.71
+
+Name:           rust-cxx-build-1.0.71
+Version:        1.0.71
+Release:        1%{?dist}
+Summary:        C++ code generator for integrating `cxx` crate into a Cargo build
+
+License:        MIT OR Apache-2.0
+URL:            https://crates.io/crates/cxx-build-1.0.71
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          cxx-build-1.0.71-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(cc/default) >= 1.0.49 with crate(cc/default) < 2.0.0~)
+BuildRequires:  (crate(codespan-reporting/default) >= 0.11.0 with crate(codespan-reporting/default) < 0.12.0~)
+BuildRequires:  (crate(once_cell/default) >= 1.9.0 with crate(once_cell/default) < 2.0.0~)
+BuildRequires:  (crate(proc-macro2/span-locations) >= 1.0.39 with crate(proc-macro2/span-locations) < 2.0.0~)
+BuildRequires:  (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~)
+BuildRequires:  (crate(scratch/default) >= 1.0.0 with crate(scratch/default) < 2.0.0~)
+BuildRequires:  (crate(syn/clone-impls) >= 1.0.95 with crate(syn/clone-impls) < 2.0.0~)
+BuildRequires:  (crate(syn/full) >= 1.0.95 with crate(syn/full) < 2.0.0~)
+BuildRequires:  (crate(syn/parsing) >= 1.0.95 with crate(syn/parsing) < 2.0.0~)
+BuildRequires:  (crate(syn/printing) >= 1.0.95 with crate(syn/printing) < 2.0.0~)
+%if %{with check}
+BuildRequires:  (crate(cxx-gen/default) >= 0.7.0 with crate(cxx-gen/default) < 0.8.0~)
+BuildRequires:  (crate(pkg-config/default) >= 0.3.0 with crate(pkg-config/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+C++ code generator for integrating `cxx` crate into a Cargo build.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/cxx-build
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(cxx-build) = 1.0.71
+Requires:       cargo
+Requires:       (crate(cc/default) >= 1.0.49 with crate(cc/default) < 2.0.0~)
+Requires:       (crate(codespan-reporting/default) >= 0.11.0 with crate(codespan-reporting/default) < 0.12.0~)
+Requires:       (crate(once_cell/default) >= 1.9.0 with crate(once_cell/default) < 2.0.0~)
+Requires:       (crate(proc-macro2/span-locations) >= 1.0.39 with crate(proc-macro2/span-locations) < 2.0.0~)
+Requires:       (crate(quote) >= 1.0.0 with crate(quote) < 2.0.0~)
+Requires:       (crate(scratch/default) >= 1.0.0 with crate(scratch/default) < 2.0.0~)
+Requires:       (crate(syn/clone-impls) >= 1.0.95 with crate(syn/clone-impls) < 2.0.0~)
+Requires:       (crate(syn/full) >= 1.0.95 with crate(syn/full) < 2.0.0~)
+Requires:       (crate(syn/parsing) >= 1.0.95 with crate(syn/parsing) < 2.0.0~)
+Requires:       (crate(syn/printing) >= 1.0.95 with crate(syn/printing) < 2.0.0~)
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(cxx-build/default) = 1.0.71
+Requires:       cargo
+Requires:       crate(cxx-build) = 1.0.71
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+experimental-async-fn-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(cxx-build/experimental-async-fn) = 1.0.71
+Requires:       cargo
+Requires:       crate(cxx-build) = 1.0.71
+
+%description -n %{name}+experimental-async-fn-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "experimental-async-fn" feature of the "%{crate}" crate.
+
+%files       -n %{name}+experimental-async-fn-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parallel-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(cxx-build/parallel) = 1.0.71
+Requires:       cargo
+Requires:       (crate(cc/parallel) >= 1.0.49 with crate(cc/parallel) < 2.0.0~)
+Requires:       crate(cxx-build) = 1.0.71
+
+%description -n %{name}+parallel-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parallel" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parallel-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 1970 Jane Jane <jane@jane.org> - 1.0.71-1
+- Initial package
diff --git a/rust2rpm/tests/samples/cxx-build-1.0.71.toml b/rust2rpm/tests/samples/cxx-build-1.0.71.toml
new file mode 100644
index 0000000..f3a7019
--- /dev/null
+++ b/rust2rpm/tests/samples/cxx-build-1.0.71.toml
@@ -0,0 +1,68 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+rust-version = "1.48"
+name = "cxx-build"
+version = "1.0.71"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
+exclude = ["build.rs"]
+description = "C++ code generator for integrating `cxx` crate into a Cargo build."
+homepage = "https://cxx.rs"
+keywords = ["ffi"]
+categories = ["development-tools::ffi"]
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/dtolnay/cxx"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies.cc]
+version = "1.0.49"
+
+[dependencies.codespan-reporting]
+version = "0.11"
+
+[dependencies.once_cell]
+version = "1.9"
+
+[dependencies.proc-macro2]
+version = "1.0.39"
+features = ["span-locations"]
+default-features = false
+
+[dependencies.quote]
+version = "1.0"
+default-features = false
+
+[dependencies.scratch]
+version = "1.0"
+
+[dependencies.syn]
+version = "1.0.95"
+features = [
+    "parsing",
+    "printing",
+    "clone-impls",
+    "full",
+]
+default-features = false
+
+[dev-dependencies.cxx-gen]
+version = "0.7"
+
+[dev-dependencies.pkg-config]
+version = "0.3"
+
+[features]
+experimental-async-fn = []
+parallel = ["cc/parallel"]
diff --git a/rust2rpm/tests/samples/nix-0.24.1.fedora.spec b/rust2rpm/tests/samples/nix-0.24.1.fedora.spec
new file mode 100644
index 0000000..eea1da3
--- /dev/null
+++ b/rust2rpm/tests/samples/nix-0.24.1.fedora.spec
@@ -0,0 +1,494 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate nix
+%global real_crate nix-0.24.1
+
+Name:           rust-nix-0.24.1
+Version:        0.24.1
+Release:        %autorelease
+Summary:        Rust friendly bindings to *nix APIs
+
+License:        MIT
+URL:            https://crates.io/crates/nix-0.24.1
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          nix-0.24.1-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(bitflags/default) >= 1.1.0 with crate(bitflags/default) < 2.0.0~)
+BuildRequires:  (crate(cfg-if/default) >= 1.0.0 with crate(cfg-if/default) < 2.0.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.121 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(libc/extra_traits) >= 0.2.121 with crate(libc/extra_traits) < 0.3.0~)
+BuildRequires:  (crate(memoffset/default) >= 0.6.3 with crate(memoffset/default) < 0.7.0~)
+%if %{with check}
+BuildRequires:  (crate(assert-impl/default) >= 0.1.0 with crate(assert-impl/default) < 0.2.0~)
+BuildRequires:  (crate(caps/default) >= 0.5.1 with crate(caps/default) < 0.6.0~)
+BuildRequires:  (crate(lazy_static/default) >= 1.2.0 with crate(lazy_static/default) < 2.0.0~)
+BuildRequires:  (crate(parking_lot/default) >= 0.11.2 with crate(parking_lot/default) < 0.12.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(semver/default) >= 1.0.0 with crate(semver/default) < 2.0.0~)
+BuildRequires:  (crate(sysctl/default) >= 0.1.0 with crate(sysctl/default) < 0.2.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.2.0 with crate(tempfile/default) < 4.0.0~)
+%endif
+
+%global _description %{expand:
+Rust friendly bindings to *nix APIs.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/nix
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+acct-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+acct-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "acct" feature of the "%{crate}" crate.
+
+%files       -n %{name}+acct-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+aio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+aio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "aio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+aio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+dir-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+dir-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "dir" feature of the "%{crate}" crate.
+
+%files       -n %{name}+dir-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+env-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+env-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "env" feature of the "%{crate}" crate.
+
+%files       -n %{name}+env-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+event-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+event-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "event" feature of the "%{crate}" crate.
+
+%files       -n %{name}+event-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+feature-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+feature-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "feature" feature of the "%{crate}" crate.
+
+%files       -n %{name}+feature-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+hostname-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+hostname-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "hostname" feature of the "%{crate}" crate.
+
+%files       -n %{name}+hostname-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+inotify-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+inotify-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "inotify" feature of the "%{crate}" crate.
+
+%files       -n %{name}+inotify-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ioctl-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+ioctl-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ioctl" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ioctl-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+kmod-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+kmod-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "kmod" feature of the "%{crate}" crate.
+
+%files       -n %{name}+kmod-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memoffset-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+memoffset-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memoffset" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memoffset-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mman-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+mman-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mman" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mman-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mount-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+mount-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mount" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mount-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mqueue-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+mqueue-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mqueue" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mqueue-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+personality-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+personality-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "personality" feature of the "%{crate}" crate.
+
+%files       -n %{name}+personality-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+poll-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+poll-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "poll" feature of the "%{crate}" crate.
+
+%files       -n %{name}+poll-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+pthread-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+pthread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "pthread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+pthread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ptrace-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+ptrace-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ptrace" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ptrace-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+quota-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+quota-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "quota" feature of the "%{crate}" crate.
+
+%files       -n %{name}+quota-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+reboot-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+reboot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "reboot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+reboot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+resource-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+resource-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "resource" feature of the "%{crate}" crate.
+
+%files       -n %{name}+resource-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sched-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+sched-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sched" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sched-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+socket-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+term-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+term-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "term" feature of the "%{crate}" crate.
+
+%files       -n %{name}+term-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ucontext-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+ucontext-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ucontext" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ucontext-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+uio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+uio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "uio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+uio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+user-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+user-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "user" feature of the "%{crate}" crate.
+
+%files       -n %{name}+user-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+zerocopy-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+zerocopy-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "zerocopy" feature of the "%{crate}" crate.
+
+%files       -n %{name}+zerocopy-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/rust2rpm/tests/samples/nix-0.24.1.mageia.spec b/rust2rpm/tests/samples/nix-0.24.1.mageia.spec
new file mode 100644
index 0000000..f72fe57
--- /dev/null
+++ b/rust2rpm/tests/samples/nix-0.24.1.mageia.spec
@@ -0,0 +1,532 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate nix
+%global real_crate nix-0.24.1
+
+Name:           rust-nix-0.24.1
+Version:        0.24.1
+Release:        %mkrel 1
+Summary:        Rust friendly bindings to *nix APIs
+Group:          Development/Rust
+
+License:        MIT
+URL:            https://crates.io/crates/nix-0.24.1
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          nix-0.24.1-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(bitflags/default) >= 1.1.0 with crate(bitflags/default) < 2.0.0~)
+BuildRequires:  (crate(cfg-if/default) >= 1.0.0 with crate(cfg-if/default) < 2.0.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.121 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(libc/extra_traits) >= 0.2.121 with crate(libc/extra_traits) < 0.3.0~)
+BuildRequires:  (crate(memoffset/default) >= 0.6.3 with crate(memoffset/default) < 0.7.0~)
+%if %{with check}
+BuildRequires:  (crate(assert-impl/default) >= 0.1.0 with crate(assert-impl/default) < 0.2.0~)
+BuildRequires:  (crate(caps/default) >= 0.5.1 with crate(caps/default) < 0.6.0~)
+BuildRequires:  (crate(lazy_static/default) >= 1.2.0 with crate(lazy_static/default) < 2.0.0~)
+BuildRequires:  (crate(parking_lot/default) >= 0.11.2 with crate(parking_lot/default) < 0.12.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(semver/default) >= 1.0.0 with crate(semver/default) < 2.0.0~)
+BuildRequires:  (crate(sysctl/default) >= 0.1.0 with crate(sysctl/default) < 0.2.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.2.0 with crate(tempfile/default) < 4.0.0~)
+%endif
+
+%global _description %{expand:
+Rust friendly bindings to *nix APIs.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+Group:          # FIXME
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/nix
+
+%package        devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+acct-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+acct-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "acct" feature of the "%{crate}" crate.
+
+%files       -n %{name}+acct-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+aio-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+aio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "aio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+aio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+dir-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+dir-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "dir" feature of the "%{crate}" crate.
+
+%files       -n %{name}+dir-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+env-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+env-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "env" feature of the "%{crate}" crate.
+
+%files       -n %{name}+env-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+event-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+event-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "event" feature of the "%{crate}" crate.
+
+%files       -n %{name}+event-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+feature-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+feature-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "feature" feature of the "%{crate}" crate.
+
+%files       -n %{name}+feature-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+hostname-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+hostname-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "hostname" feature of the "%{crate}" crate.
+
+%files       -n %{name}+hostname-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+inotify-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+inotify-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "inotify" feature of the "%{crate}" crate.
+
+%files       -n %{name}+inotify-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ioctl-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+ioctl-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ioctl" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ioctl-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+kmod-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+kmod-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "kmod" feature of the "%{crate}" crate.
+
+%files       -n %{name}+kmod-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memoffset-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+memoffset-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memoffset" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memoffset-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mman-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mman-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mman" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mman-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mount-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mount-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mount" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mount-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mqueue-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mqueue-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mqueue" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mqueue-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+personality-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+personality-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "personality" feature of the "%{crate}" crate.
+
+%files       -n %{name}+personality-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+poll-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+poll-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "poll" feature of the "%{crate}" crate.
+
+%files       -n %{name}+poll-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+pthread-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+pthread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "pthread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+pthread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ptrace-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+ptrace-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ptrace" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ptrace-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+quota-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+quota-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "quota" feature of the "%{crate}" crate.
+
+%files       -n %{name}+quota-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+reboot-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+reboot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "reboot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+reboot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+resource-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+resource-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "resource" feature of the "%{crate}" crate.
+
+%files       -n %{name}+resource-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sched-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+sched-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sched" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sched-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+socket-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+term-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+term-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "term" feature of the "%{crate}" crate.
+
+%files       -n %{name}+term-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ucontext-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+ucontext-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ucontext" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ucontext-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+uio-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+uio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "uio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+uio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+user-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+user-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "user" feature of the "%{crate}" crate.
+
+%files       -n %{name}+user-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+zerocopy-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+zerocopy-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "zerocopy" feature of the "%{crate}" crate.
+
+%files       -n %{name}+zerocopy-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 1970 Jane Jane <jane@jane.org> - 0.24.1-1
+- Initial package
diff --git a/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec b/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec
new file mode 100644
index 0000000..fbfca43
--- /dev/null
+++ b/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec
@@ -0,0 +1,550 @@
+#
+# spec file for package rust-nix
+#
+# Copyright (c) 2022 Jane Jane <jane@jane.org>.
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
+#
+
+# Generated by rust2rpm 21
+%bcond_without check
+
+%global crate nix
+%global real_crate nix-0.24.1
+
+Name:           rust-nix-0.24.1
+Version:        0.24.1
+Release:        0
+Summary:        Rust friendly bindings to *nix APIs
+Group:          Development/Libraries/Rust
+
+License:        MIT
+URL:            https://crates.io/crates/nix-0.24.1
+Source:         %{crates_source}
+# PATCH-FIX-OPENSUSE nix-0.24.1-patch1.diff -- Initial patched metadata
+Patch:          nix-0.24.1-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(bitflags/default) >= 1.1.0 with crate(bitflags/default) < 2.0.0~)
+BuildRequires:  (crate(cfg-if/default) >= 1.0.0 with crate(cfg-if/default) < 2.0.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.121 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(libc/extra_traits) >= 0.2.121 with crate(libc/extra_traits) < 0.3.0~)
+BuildRequires:  (crate(memoffset/default) >= 0.6.3 with crate(memoffset/default) < 0.7.0~)
+%if %{with check}
+BuildRequires:  (crate(assert-impl/default) >= 0.1.0 with crate(assert-impl/default) < 0.2.0~)
+BuildRequires:  (crate(caps/default) >= 0.5.1 with crate(caps/default) < 0.6.0~)
+BuildRequires:  (crate(lazy_static/default) >= 1.2.0 with crate(lazy_static/default) < 2.0.0~)
+BuildRequires:  (crate(parking_lot/default) >= 0.11.2 with crate(parking_lot/default) < 0.12.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(semver/default) >= 1.0.0 with crate(semver/default) < 2.0.0~)
+BuildRequires:  (crate(sysctl/default) >= 0.1.0 with crate(sysctl/default) < 0.2.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.2.0 with crate(tempfile/default) < 4.0.0~)
+%endif
+
+%global _description %{expand:
+Rust friendly bindings to *nix APIs.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+Group:          # FIXME
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/nix
+
+%package        devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+acct-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+acct-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "acct" feature of the "%{crate}" crate.
+
+%files       -n %{name}+acct-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+aio-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+aio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "aio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+aio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+dir-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+dir-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "dir" feature of the "%{crate}" crate.
+
+%files       -n %{name}+dir-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+env-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+env-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "env" feature of the "%{crate}" crate.
+
+%files       -n %{name}+env-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+event-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+event-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "event" feature of the "%{crate}" crate.
+
+%files       -n %{name}+event-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+feature-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+feature-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "feature" feature of the "%{crate}" crate.
+
+%files       -n %{name}+feature-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+hostname-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+hostname-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "hostname" feature of the "%{crate}" crate.
+
+%files       -n %{name}+hostname-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+inotify-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+inotify-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "inotify" feature of the "%{crate}" crate.
+
+%files       -n %{name}+inotify-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ioctl-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+ioctl-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ioctl" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ioctl-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+kmod-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+kmod-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "kmod" feature of the "%{crate}" crate.
+
+%files       -n %{name}+kmod-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memoffset-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+memoffset-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memoffset" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memoffset-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mman-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mman-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mman" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mman-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mount-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mount-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mount" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mount-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mqueue-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mqueue-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mqueue" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mqueue-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+personality-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+personality-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "personality" feature of the "%{crate}" crate.
+
+%files       -n %{name}+personality-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+poll-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+poll-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "poll" feature of the "%{crate}" crate.
+
+%files       -n %{name}+poll-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+pthread-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+pthread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "pthread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+pthread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ptrace-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+ptrace-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ptrace" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ptrace-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+quota-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+quota-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "quota" feature of the "%{crate}" crate.
+
+%files       -n %{name}+quota-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+reboot-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+reboot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "reboot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+reboot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+resource-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+resource-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "resource" feature of the "%{crate}" crate.
+
+%files       -n %{name}+resource-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sched-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+sched-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sched" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sched-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+socket-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+term-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+term-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "term" feature of the "%{crate}" crate.
+
+%files       -n %{name}+term-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ucontext-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+ucontext-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ucontext" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ucontext-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+uio-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+uio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "uio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+uio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+user-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+user-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "user" feature of the "%{crate}" crate.
+
+%files       -n %{name}+user-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+zerocopy-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+zerocopy-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "zerocopy" feature of the "%{crate}" crate.
+
+%files       -n %{name}+zerocopy-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 03:25:45 GMT 1970 Jane Jane <jane@jane.org>
+- Version 0.24.1
+- Initial package
diff --git a/rust2rpm/tests/samples/nix-0.24.1.plain.spec b/rust2rpm/tests/samples/nix-0.24.1.plain.spec
new file mode 100644
index 0000000..d8950ea
--- /dev/null
+++ b/rust2rpm/tests/samples/nix-0.24.1.plain.spec
@@ -0,0 +1,648 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate nix
+%global real_crate nix-0.24.1
+
+Name:           rust-nix-0.24.1
+Version:        0.24.1
+Release:        1%{?dist}
+Summary:        Rust friendly bindings to *nix APIs
+
+License:        MIT
+URL:            https://crates.io/crates/nix-0.24.1
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          nix-0.24.1-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(bitflags/default) >= 1.1.0 with crate(bitflags/default) < 2.0.0~)
+BuildRequires:  (crate(cfg-if/default) >= 1.0.0 with crate(cfg-if/default) < 2.0.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.121 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(libc/extra_traits) >= 0.2.121 with crate(libc/extra_traits) < 0.3.0~)
+BuildRequires:  (crate(memoffset/default) >= 0.6.3 with crate(memoffset/default) < 0.7.0~)
+%if %{with check}
+BuildRequires:  (crate(assert-impl/default) >= 0.1.0 with crate(assert-impl/default) < 0.2.0~)
+BuildRequires:  (crate(caps/default) >= 0.5.1 with crate(caps/default) < 0.6.0~)
+BuildRequires:  (crate(lazy_static/default) >= 1.2.0 with crate(lazy_static/default) < 2.0.0~)
+BuildRequires:  (crate(parking_lot/default) >= 0.11.2 with crate(parking_lot/default) < 0.12.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(semver/default) >= 1.0.0 with crate(semver/default) < 2.0.0~)
+BuildRequires:  (crate(sysctl/default) >= 0.1.0 with crate(sysctl/default) < 0.2.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.2.0 with crate(tempfile/default) < 4.0.0~)
+%endif
+
+%global _description %{expand:
+Rust friendly bindings to *nix APIs.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/nix
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix) = 0.24.1
+Requires:       cargo
+Requires:       (crate(bitflags/default) >= 1.1.0 with crate(bitflags/default) < 2.0.0~)
+Requires:       (crate(cfg-if/default) >= 1.0.0 with crate(cfg-if/default) < 2.0.0~)
+Requires:       (crate(libc/default) >= 0.2.121 with crate(libc/default) < 0.3.0~)
+Requires:       (crate(libc/extra_traits) >= 0.2.121 with crate(libc/extra_traits) < 0.3.0~)
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/default) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/acct) = 0.24.1
+Requires:       crate(nix/aio) = 0.24.1
+Requires:       crate(nix/dir) = 0.24.1
+Requires:       crate(nix/env) = 0.24.1
+Requires:       crate(nix/event) = 0.24.1
+Requires:       crate(nix/feature) = 0.24.1
+Requires:       crate(nix/fs) = 0.24.1
+Requires:       crate(nix/hostname) = 0.24.1
+Requires:       crate(nix/inotify) = 0.24.1
+Requires:       crate(nix/ioctl) = 0.24.1
+Requires:       crate(nix/kmod) = 0.24.1
+Requires:       crate(nix/mman) = 0.24.1
+Requires:       crate(nix/mount) = 0.24.1
+Requires:       crate(nix/mqueue) = 0.24.1
+Requires:       crate(nix/net) = 0.24.1
+Requires:       crate(nix/personality) = 0.24.1
+Requires:       crate(nix/poll) = 0.24.1
+Requires:       crate(nix/process) = 0.24.1
+Requires:       crate(nix/pthread) = 0.24.1
+Requires:       crate(nix/ptrace) = 0.24.1
+Requires:       crate(nix/quota) = 0.24.1
+Requires:       crate(nix/reboot) = 0.24.1
+Requires:       crate(nix/resource) = 0.24.1
+Requires:       crate(nix/sched) = 0.24.1
+Requires:       crate(nix/signal) = 0.24.1
+Requires:       crate(nix/socket) = 0.24.1
+Requires:       crate(nix/term) = 0.24.1
+Requires:       crate(nix/time) = 0.24.1
+Requires:       crate(nix/ucontext) = 0.24.1
+Requires:       crate(nix/uio) = 0.24.1
+Requires:       crate(nix/user) = 0.24.1
+Requires:       crate(nix/zerocopy) = 0.24.1
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+acct-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/acct) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+acct-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "acct" feature of the "%{crate}" crate.
+
+%files       -n %{name}+acct-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+aio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/aio) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+aio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "aio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+aio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+dir-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/dir) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/fs) = 0.24.1
+
+%description -n %{name}+dir-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "dir" feature of the "%{crate}" crate.
+
+%files       -n %{name}+dir-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+env-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/env) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+env-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "env" feature of the "%{crate}" crate.
+
+%files       -n %{name}+env-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+event-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/event) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+event-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "event" feature of the "%{crate}" crate.
+
+%files       -n %{name}+event-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+feature-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/feature) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+feature-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "feature" feature of the "%{crate}" crate.
+
+%files       -n %{name}+feature-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/fs) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+hostname-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/hostname) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+hostname-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "hostname" feature of the "%{crate}" crate.
+
+%files       -n %{name}+hostname-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+inotify-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/inotify) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+inotify-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "inotify" feature of the "%{crate}" crate.
+
+%files       -n %{name}+inotify-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ioctl-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/ioctl) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+ioctl-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ioctl" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ioctl-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+kmod-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/kmod) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+kmod-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "kmod" feature of the "%{crate}" crate.
+
+%files       -n %{name}+kmod-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memoffset-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/memoffset) = 0.24.1
+Requires:       cargo
+Requires:       (crate(memoffset/default) >= 0.6.3 with crate(memoffset/default) < 0.7.0~)
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+memoffset-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memoffset" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memoffset-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mman-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/mman) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+mman-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mman" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mman-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mount-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/mount) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/uio) = 0.24.1
+
+%description -n %{name}+mount-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mount" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mount-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mqueue-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/mqueue) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/fs) = 0.24.1
+
+%description -n %{name}+mqueue-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mqueue" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mqueue-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/net) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/socket) = 0.24.1
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+personality-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/personality) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+personality-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "personality" feature of the "%{crate}" crate.
+
+%files       -n %{name}+personality-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+poll-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/poll) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+poll-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "poll" feature of the "%{crate}" crate.
+
+%files       -n %{name}+poll-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/process) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+pthread-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/pthread) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+pthread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "pthread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+pthread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ptrace-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/ptrace) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/process) = 0.24.1
+
+%description -n %{name}+ptrace-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ptrace" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ptrace-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+quota-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/quota) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+quota-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "quota" feature of the "%{crate}" crate.
+
+%files       -n %{name}+quota-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+reboot-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/reboot) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+reboot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "reboot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+reboot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+resource-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/resource) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+resource-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "resource" feature of the "%{crate}" crate.
+
+%files       -n %{name}+resource-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sched-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/sched) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/process) = 0.24.1
+
+%description -n %{name}+sched-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sched" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sched-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/signal) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/process) = 0.24.1
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/socket) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/memoffset) = 0.24.1
+
+%description -n %{name}+socket-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+term-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/term) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+term-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "term" feature of the "%{crate}" crate.
+
+%files       -n %{name}+term-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/time) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ucontext-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/ucontext) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/signal) = 0.24.1
+
+%description -n %{name}+ucontext-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ucontext" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ucontext-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+uio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/uio) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+
+%description -n %{name}+uio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "uio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+uio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+user-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/user) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/feature) = 0.24.1
+
+%description -n %{name}+user-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "user" feature of the "%{crate}" crate.
+
+%files       -n %{name}+user-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+zerocopy-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(nix/zerocopy) = 0.24.1
+Requires:       cargo
+Requires:       crate(nix) = 0.24.1
+Requires:       crate(nix/fs) = 0.24.1
+Requires:       crate(nix/uio) = 0.24.1
+
+%description -n %{name}+zerocopy-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "zerocopy" feature of the "%{crate}" crate.
+
+%files       -n %{name}+zerocopy-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 1970 Jane Jane <jane@jane.org> - 0.24.1-1
+- Initial package
diff --git a/rust2rpm/tests/samples/nix-0.24.1.toml b/rust2rpm/tests/samples/nix-0.24.1.toml
new file mode 100644
index 0000000..fb4afc8
--- /dev/null
+++ b/rust2rpm/tests/samples/nix-0.24.1.toml
@@ -0,0 +1,182 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+rust-version = "1.46"
+name = "nix"
+version = "0.24.1"
+authors = ["The nix-rust Project Developers"]
+include = [
+    "src/**/*",
+    "test/**/*",
+    "LICENSE",
+    "README.md",
+    "CHANGELOG.md",
+]
+description = "Rust friendly bindings to *nix APIs"
+readme = "README.md"
+categories = ["os::unix-apis"]
+license = "MIT"
+repository = "https://github.com/nix-rust/nix"
+
+[package.metadata.docs.rs]
+rustdoc-args = [
+    "--cfg",
+    "docsrs",
+]
+targets = [
+    "x86_64-unknown-linux-gnu",
+    "aarch64-linux-android",
+    "x86_64-apple-darwin",
+    "aarch64-apple-ios",
+    "x86_64-unknown-freebsd",
+    "x86_64-unknown-openbsd",
+    "x86_64-unknown-netbsd",
+    "x86_64-unknown-dragonfly",
+    "x86_64-fuchsia",
+    "x86_64-unknown-redox",
+    "x86_64-unknown-illumos",
+]
+
+[[test]]
+name = "test"
+path = "test/test.rs"
+
+[[test]]
+name = "test-aio-drop"
+path = "test/sys/test_aio_drop.rs"
+
+[[test]]
+name = "test-clearenv"
+path = "test/test_clearenv.rs"
+
+[[test]]
+name = "test-lio-listio-resubmit"
+path = "test/sys/test_lio_listio_resubmit.rs"
+
+[[test]]
+name = "test-mount"
+path = "test/test_mount.rs"
+harness = false
+
+[[test]]
+name = "test-ptymaster-drop"
+path = "test/test_ptymaster_drop.rs"
+
+[dependencies.bitflags]
+version = "1.1"
+
+[dependencies.cfg-if]
+version = "1.0"
+
+[dependencies.libc]
+version = "0.2.121"
+features = ["extra_traits"]
+
+[dev-dependencies.assert-impl]
+version = "0.1"
+
+[dev-dependencies.lazy_static]
+version = "1.2"
+
+[dev-dependencies.parking_lot]
+version = "0.11.2"
+
+[dev-dependencies.rand]
+version = "0.8"
+
+[dev-dependencies.semver]
+version = "1.0.0"
+
+[dev-dependencies.tempfile]
+version = "3.2.0"
+
+[features]
+acct = []
+aio = []
+default = [
+    "acct",
+    "aio",
+    "dir",
+    "env",
+    "event",
+    "feature",
+    "fs",
+    "hostname",
+    "inotify",
+    "ioctl",
+    "kmod",
+    "mman",
+    "mount",
+    "mqueue",
+    "net",
+    "personality",
+    "poll",
+    "process",
+    "pthread",
+    "ptrace",
+    "quota",
+    "reboot",
+    "resource",
+    "sched",
+    "signal",
+    "socket",
+    "term",
+    "time",
+    "ucontext",
+    "uio",
+    "user",
+    "zerocopy",
+]
+dir = ["fs"]
+env = []
+event = []
+feature = []
+fs = []
+hostname = []
+inotify = []
+ioctl = []
+kmod = []
+mman = []
+mount = ["uio"]
+mqueue = ["fs"]
+net = ["socket"]
+personality = []
+poll = []
+process = []
+pthread = []
+ptrace = ["process"]
+quota = []
+reboot = []
+resource = []
+sched = ["process"]
+signal = ["process"]
+socket = ["memoffset"]
+term = []
+time = []
+ucontext = ["signal"]
+uio = []
+user = ["feature"]
+zerocopy = [
+    "fs",
+    "uio",
+]
+
+[target."cfg(any(target_os = \"android\", target_os = \"linux\"))".dev-dependencies.caps]
+version = "0.5.1"
+
+[target."cfg(not(target_os = \"redox\"))".dependencies.memoffset]
+version = "0.6.3"
+optional = true
+
+[target."cfg(target_os = \"freebsd\")".dev-dependencies.sysctl]
+version = "0.1"
diff --git a/rust2rpm/tests/samples/tokio-1.19.2.fedora.spec b/rust2rpm/tests/samples/tokio-1.19.2.fedora.spec
new file mode 100644
index 0000000..9cb33f6
--- /dev/null
+++ b/rust2rpm/tests/samples/tokio-1.19.2.fedora.spec
@@ -0,0 +1,419 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate tokio
+%global real_crate tokio-1.19.2
+
+Name:           rust-tokio-1.19.2
+Version:        1.19.2
+Release:        %autorelease
+Summary:        Event-driven, non-blocking I/O platform for writing asynchronous I/O
+
+License:        MIT
+URL:            https://crates.io/crates/tokio-1.19.2
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          tokio-1.19.2-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(pin-project-lite/default) >= 0.2.0 with crate(pin-project-lite/default) < 0.3.0~)
+%if %{with check}
+BuildRequires:  (crate(async-stream/default) >= 0.3.0 with crate(async-stream/default) < 0.4.0~)
+BuildRequires:  (crate(futures/async-await) >= 0.3.0 with crate(futures/async-await) < 0.4.0~)
+BuildRequires:  (crate(futures/default) >= 0.3.0 with crate(futures/default) < 0.4.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.42 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(loom/checkpoint) >= 0.5.2 with crate(loom/checkpoint) < 0.6.0~)
+BuildRequires:  (crate(loom/default) >= 0.5.2 with crate(loom/default) < 0.6.0~)
+BuildRequires:  (crate(loom/futures) >= 0.5.2 with crate(loom/futures) < 0.6.0~)
+BuildRequires:  (crate(mio-aio/default) >= 0.6.0 with crate(mio-aio/default) < 0.7.0~)
+BuildRequires:  (crate(mio-aio/tokio) >= 0.6.0 with crate(mio-aio/tokio) < 0.7.0~)
+BuildRequires:  (crate(mockall/default) >= 0.11.1 with crate(mockall/default) < 0.12.0~)
+BuildRequires:  (crate(nix/fs) >= 0.24.0 with crate(nix/fs) < 0.25.0~)
+BuildRequires:  (crate(nix/socket) >= 0.24.0 with crate(nix/socket) < 0.25.0~)
+BuildRequires:  (crate(ntapi/default) >= 0.3.6 with crate(ntapi/default) < 0.4.0~)
+BuildRequires:  (crate(proptest/default) >= 1.0.0 with crate(proptest/default) < 2.0.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(socket2/default) >= 0.4.0 with crate(socket2/default) < 0.5.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.1.0 with crate(tempfile/default) < 4.0.0~)
+BuildRequires:  (crate(tokio-stream/default) >= 0.1.0 with crate(tokio-stream/default) < 0.2.0~)
+BuildRequires:  (crate(tokio-test/default) >= 0.4.0 with crate(tokio-test/default) < 0.5.0~)
+BuildRequires:  (crate(wasm-bindgen-test/default) >= 0.3.0 with crate(wasm-bindgen-test/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+Event-driven, non-blocking I/O platform for writing asynchronous I/O
+backed applications.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/tokio
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+bytes-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+bytes-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "bytes" feature of the "%{crate}" crate.
+
+%files       -n %{name}+bytes-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+full-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+full-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "full" feature of the "%{crate}" crate.
+
+%files       -n %{name}+full-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+io-std-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-std" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-std-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-util-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+io-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+libc-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+libc-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "libc" feature of the "%{crate}" crate.
+
+%files       -n %{name}+libc-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+macros-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memchr-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+memchr-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memchr" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memchr-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+mio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+num_cpus-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+num_cpus-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "num_cpus" feature of the "%{crate}" crate.
+
+%files       -n %{name}+num_cpus-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+once_cell-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+once_cell-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "once_cell" feature of the "%{crate}" crate.
+
+%files       -n %{name}+once_cell-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parking_lot-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+parking_lot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parking_lot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parking_lot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+rt-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-multi-thread-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+rt-multi-thread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt-multi-thread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-multi-thread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-hook-registry-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+signal-hook-registry-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal-hook-registry" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-hook-registry-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket2-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+socket2-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket2" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket2-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+stats-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+stats-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "stats" feature of the "%{crate}" crate.
+
+%files       -n %{name}+stats-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sync-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+sync-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sync" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sync-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+test-util-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+test-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "test-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+test-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tokio-macros-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+tokio-macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tokio-macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tokio-macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tracing-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+tracing-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tracing" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tracing-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+winapi-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+winapi-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "winapi" feature of the "%{crate}" crate.
+
+%files       -n %{name}+winapi-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/rust2rpm/tests/samples/tokio-1.19.2.mageia.spec b/rust2rpm/tests/samples/tokio-1.19.2.mageia.spec
new file mode 100644
index 0000000..099a229
--- /dev/null
+++ b/rust2rpm/tests/samples/tokio-1.19.2.mageia.spec
@@ -0,0 +1,450 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate tokio
+%global real_crate tokio-1.19.2
+
+Name:           rust-tokio-1.19.2
+Version:        1.19.2
+Release:        %mkrel 1
+Summary:        Event-driven, non-blocking I/O platform for writing asynchronous I/O
+Group:          Development/Rust
+
+License:        MIT
+URL:            https://crates.io/crates/tokio-1.19.2
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          tokio-1.19.2-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(pin-project-lite/default) >= 0.2.0 with crate(pin-project-lite/default) < 0.3.0~)
+%if %{with check}
+BuildRequires:  (crate(async-stream/default) >= 0.3.0 with crate(async-stream/default) < 0.4.0~)
+BuildRequires:  (crate(futures/async-await) >= 0.3.0 with crate(futures/async-await) < 0.4.0~)
+BuildRequires:  (crate(futures/default) >= 0.3.0 with crate(futures/default) < 0.4.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.42 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(loom/checkpoint) >= 0.5.2 with crate(loom/checkpoint) < 0.6.0~)
+BuildRequires:  (crate(loom/default) >= 0.5.2 with crate(loom/default) < 0.6.0~)
+BuildRequires:  (crate(loom/futures) >= 0.5.2 with crate(loom/futures) < 0.6.0~)
+BuildRequires:  (crate(mio-aio/default) >= 0.6.0 with crate(mio-aio/default) < 0.7.0~)
+BuildRequires:  (crate(mio-aio/tokio) >= 0.6.0 with crate(mio-aio/tokio) < 0.7.0~)
+BuildRequires:  (crate(mockall/default) >= 0.11.1 with crate(mockall/default) < 0.12.0~)
+BuildRequires:  (crate(nix/fs) >= 0.24.0 with crate(nix/fs) < 0.25.0~)
+BuildRequires:  (crate(nix/socket) >= 0.24.0 with crate(nix/socket) < 0.25.0~)
+BuildRequires:  (crate(ntapi/default) >= 0.3.6 with crate(ntapi/default) < 0.4.0~)
+BuildRequires:  (crate(proptest/default) >= 1.0.0 with crate(proptest/default) < 2.0.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(socket2/default) >= 0.4.0 with crate(socket2/default) < 0.5.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.1.0 with crate(tempfile/default) < 4.0.0~)
+BuildRequires:  (crate(tokio-stream/default) >= 0.1.0 with crate(tokio-stream/default) < 0.2.0~)
+BuildRequires:  (crate(tokio-test/default) >= 0.4.0 with crate(tokio-test/default) < 0.5.0~)
+BuildRequires:  (crate(wasm-bindgen-test/default) >= 0.3.0 with crate(wasm-bindgen-test/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+Event-driven, non-blocking I/O platform for writing asynchronous I/O
+backed applications.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+Group:          # FIXME
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/tokio
+
+%package        devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+bytes-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+bytes-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "bytes" feature of the "%{crate}" crate.
+
+%files       -n %{name}+bytes-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+full-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+full-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "full" feature of the "%{crate}" crate.
+
+%files       -n %{name}+full-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-std-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+io-std-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-std" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-std-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-util-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+io-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+libc-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+libc-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "libc" feature of the "%{crate}" crate.
+
+%files       -n %{name}+libc-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+macros-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memchr-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+memchr-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memchr" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memchr-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mio-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+num_cpus-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+num_cpus-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "num_cpus" feature of the "%{crate}" crate.
+
+%files       -n %{name}+num_cpus-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+once_cell-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+once_cell-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "once_cell" feature of the "%{crate}" crate.
+
+%files       -n %{name}+once_cell-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parking_lot-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+parking_lot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parking_lot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parking_lot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+rt-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-multi-thread-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+rt-multi-thread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt-multi-thread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-multi-thread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-hook-registry-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+signal-hook-registry-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal-hook-registry" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-hook-registry-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket2-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+socket2-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket2" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket2-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+stats-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+stats-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "stats" feature of the "%{crate}" crate.
+
+%files       -n %{name}+stats-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sync-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+sync-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sync" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sync-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+test-util-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+test-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "test-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+test-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tokio-macros-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+tokio-macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tokio-macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tokio-macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tracing-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+tracing-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tracing" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tracing-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+winapi-devel
+Summary:        %{summary}
+Group:          Development/Rust
+BuildArch:      noarch
+
+%description -n %{name}+winapi-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "winapi" feature of the "%{crate}" crate.
+
+%files       -n %{name}+winapi-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 1970 Jane Jane <jane@jane.org> - 1.19.2-1
+- Initial package
diff --git a/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec b/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec
new file mode 100644
index 0000000..48678dc
--- /dev/null
+++ b/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec
@@ -0,0 +1,468 @@
+#
+# spec file for package rust-tokio
+#
+# Copyright (c) 2022 Jane Jane <jane@jane.org>.
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
+#
+
+# Generated by rust2rpm 21
+%bcond_without check
+
+%global crate tokio
+%global real_crate tokio-1.19.2
+
+Name:           rust-tokio-1.19.2
+Version:        1.19.2
+Release:        0
+Summary:        Event-driven, non-blocking I/O platform for writing asynchronous I/O
+Group:          Development/Libraries/Rust
+
+License:        MIT
+URL:            https://crates.io/crates/tokio-1.19.2
+Source:         %{crates_source}
+# PATCH-FIX-OPENSUSE tokio-1.19.2-patch1.diff -- Initial patched metadata
+Patch:          tokio-1.19.2-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(pin-project-lite/default) >= 0.2.0 with crate(pin-project-lite/default) < 0.3.0~)
+%if %{with check}
+BuildRequires:  (crate(async-stream/default) >= 0.3.0 with crate(async-stream/default) < 0.4.0~)
+BuildRequires:  (crate(futures/async-await) >= 0.3.0 with crate(futures/async-await) < 0.4.0~)
+BuildRequires:  (crate(futures/default) >= 0.3.0 with crate(futures/default) < 0.4.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.42 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(loom/checkpoint) >= 0.5.2 with crate(loom/checkpoint) < 0.6.0~)
+BuildRequires:  (crate(loom/default) >= 0.5.2 with crate(loom/default) < 0.6.0~)
+BuildRequires:  (crate(loom/futures) >= 0.5.2 with crate(loom/futures) < 0.6.0~)
+BuildRequires:  (crate(mio-aio/default) >= 0.6.0 with crate(mio-aio/default) < 0.7.0~)
+BuildRequires:  (crate(mio-aio/tokio) >= 0.6.0 with crate(mio-aio/tokio) < 0.7.0~)
+BuildRequires:  (crate(mockall/default) >= 0.11.1 with crate(mockall/default) < 0.12.0~)
+BuildRequires:  (crate(nix/fs) >= 0.24.0 with crate(nix/fs) < 0.25.0~)
+BuildRequires:  (crate(nix/socket) >= 0.24.0 with crate(nix/socket) < 0.25.0~)
+BuildRequires:  (crate(ntapi/default) >= 0.3.6 with crate(ntapi/default) < 0.4.0~)
+BuildRequires:  (crate(proptest/default) >= 1.0.0 with crate(proptest/default) < 2.0.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(socket2/default) >= 0.4.0 with crate(socket2/default) < 0.5.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.1.0 with crate(tempfile/default) < 4.0.0~)
+BuildRequires:  (crate(tokio-stream/default) >= 0.1.0 with crate(tokio-stream/default) < 0.2.0~)
+BuildRequires:  (crate(tokio-test/default) >= 0.4.0 with crate(tokio-test/default) < 0.5.0~)
+BuildRequires:  (crate(wasm-bindgen-test/default) >= 0.3.0 with crate(wasm-bindgen-test/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+Event-driven, non-blocking I/O platform for writing asynchronous I/O
+backed applications.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+Group:          # FIXME
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/tokio
+
+%package        devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+bytes-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+bytes-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "bytes" feature of the "%{crate}" crate.
+
+%files       -n %{name}+bytes-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+full-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+full-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "full" feature of the "%{crate}" crate.
+
+%files       -n %{name}+full-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-std-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+io-std-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-std" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-std-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-util-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+io-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+libc-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+libc-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "libc" feature of the "%{crate}" crate.
+
+%files       -n %{name}+libc-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+macros-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memchr-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+memchr-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memchr" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memchr-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mio-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+mio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+num_cpus-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+num_cpus-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "num_cpus" feature of the "%{crate}" crate.
+
+%files       -n %{name}+num_cpus-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+once_cell-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+once_cell-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "once_cell" feature of the "%{crate}" crate.
+
+%files       -n %{name}+once_cell-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parking_lot-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+parking_lot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parking_lot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parking_lot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+rt-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-multi-thread-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+rt-multi-thread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt-multi-thread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-multi-thread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-hook-registry-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+signal-hook-registry-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal-hook-registry" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-hook-registry-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket2-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+socket2-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket2" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket2-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+stats-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+stats-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "stats" feature of the "%{crate}" crate.
+
+%files       -n %{name}+stats-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sync-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+sync-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sync" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sync-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+test-util-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+test-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "test-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+test-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tokio-macros-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+tokio-macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tokio-macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tokio-macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tracing-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+tracing-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tracing" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tracing-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+winapi-devel
+Summary:        %{summary}
+Group:          Development/Libraries/Rust
+BuildArch:      noarch
+
+%description -n %{name}+winapi-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "winapi" feature of the "%{crate}" crate.
+
+%files       -n %{name}+winapi-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 03:25:45 GMT 1970 Jane Jane <jane@jane.org>
+- Version 1.19.2
+- Initial package
diff --git a/rust2rpm/tests/samples/tokio-1.19.2.plain.spec b/rust2rpm/tests/samples/tokio-1.19.2.plain.spec
new file mode 100644
index 0000000..8e3141c
--- /dev/null
+++ b/rust2rpm/tests/samples/tokio-1.19.2.plain.spec
@@ -0,0 +1,564 @@
+# Generated by rust2rpm NNN
+%bcond_without check
+
+%global crate tokio
+%global real_crate tokio-1.19.2
+
+Name:           rust-tokio-1.19.2
+Version:        1.19.2
+Release:        1%{?dist}
+Summary:        Event-driven, non-blocking I/O platform for writing asynchronous I/O
+
+License:        MIT
+URL:            https://crates.io/crates/tokio-1.19.2
+Source:         %{crates_source}
+# Initial patched metadata
+Patch:          tokio-1.19.2-patch1.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+BuildRequires:  (crate(pin-project-lite/default) >= 0.2.0 with crate(pin-project-lite/default) < 0.3.0~)
+%if %{with check}
+BuildRequires:  (crate(async-stream/default) >= 0.3.0 with crate(async-stream/default) < 0.4.0~)
+BuildRequires:  (crate(futures/async-await) >= 0.3.0 with crate(futures/async-await) < 0.4.0~)
+BuildRequires:  (crate(futures/default) >= 0.3.0 with crate(futures/default) < 0.4.0~)
+BuildRequires:  (crate(libc/default) >= 0.2.42 with crate(libc/default) < 0.3.0~)
+BuildRequires:  (crate(loom/checkpoint) >= 0.5.2 with crate(loom/checkpoint) < 0.6.0~)
+BuildRequires:  (crate(loom/default) >= 0.5.2 with crate(loom/default) < 0.6.0~)
+BuildRequires:  (crate(loom/futures) >= 0.5.2 with crate(loom/futures) < 0.6.0~)
+BuildRequires:  (crate(mio-aio/default) >= 0.6.0 with crate(mio-aio/default) < 0.7.0~)
+BuildRequires:  (crate(mio-aio/tokio) >= 0.6.0 with crate(mio-aio/tokio) < 0.7.0~)
+BuildRequires:  (crate(mockall/default) >= 0.11.1 with crate(mockall/default) < 0.12.0~)
+BuildRequires:  (crate(nix/fs) >= 0.24.0 with crate(nix/fs) < 0.25.0~)
+BuildRequires:  (crate(nix/socket) >= 0.24.0 with crate(nix/socket) < 0.25.0~)
+BuildRequires:  (crate(ntapi/default) >= 0.3.6 with crate(ntapi/default) < 0.4.0~)
+BuildRequires:  (crate(proptest/default) >= 1.0.0 with crate(proptest/default) < 2.0.0~)
+BuildRequires:  (crate(rand/default) >= 0.8.0 with crate(rand/default) < 0.9.0~)
+BuildRequires:  (crate(socket2/default) >= 0.4.0 with crate(socket2/default) < 0.5.0~)
+BuildRequires:  (crate(tempfile/default) >= 3.1.0 with crate(tempfile/default) < 4.0.0~)
+BuildRequires:  (crate(tokio-stream/default) >= 0.1.0 with crate(tokio-stream/default) < 0.2.0~)
+BuildRequires:  (crate(tokio-test/default) >= 0.4.0 with crate(tokio-test/default) < 0.5.0~)
+BuildRequires:  (crate(wasm-bindgen-test/default) >= 0.3.0 with crate(wasm-bindgen-test/default) < 0.4.0~)
+%endif
+
+%global _description %{expand:
+Event-driven, non-blocking I/O platform for writing asynchronous I/O
+backed applications.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LIC1
+%license LIC2
+%doc DOC1
+%doc DOC2
+%{_bindir}/tokio
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio) = 1.19.2
+Requires:       cargo
+Requires:       (crate(pin-project-lite/default) >= 0.2.0 with crate(pin-project-lite/default) < 0.3.0~)
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LIC1
+%license %{crate_instdir}/LIC2
+%doc %{crate_instdir}/DOC1
+%doc %{crate_instdir}/DOC2
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/default) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+bytes-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/bytes) = 1.19.2
+Requires:       cargo
+Requires:       (crate(bytes/default) >= 1.0.0 with crate(bytes/default) < 2.0.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+bytes-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "bytes" feature of the "%{crate}" crate.
+
+%files       -n %{name}+bytes-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+fs-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/fs) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+fs-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "fs" feature of the "%{crate}" crate.
+
+%files       -n %{name}+fs-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+full-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/full) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/fs) = 1.19.2
+Requires:       crate(tokio/io-std) = 1.19.2
+Requires:       crate(tokio/io-util) = 1.19.2
+Requires:       crate(tokio/macros) = 1.19.2
+Requires:       crate(tokio/net) = 1.19.2
+Requires:       crate(tokio/parking_lot) = 1.19.2
+Requires:       crate(tokio/process) = 1.19.2
+Requires:       crate(tokio/rt) = 1.19.2
+Requires:       crate(tokio/rt-multi-thread) = 1.19.2
+Requires:       crate(tokio/signal) = 1.19.2
+Requires:       crate(tokio/sync) = 1.19.2
+Requires:       crate(tokio/time) = 1.19.2
+
+%description -n %{name}+full-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "full" feature of the "%{crate}" crate.
+
+%files       -n %{name}+full-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/io-std) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+io-std-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-std" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-std-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io-util-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/io-util) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/bytes) = 1.19.2
+Requires:       crate(tokio/memchr) = 1.19.2
+
+%description -n %{name}+io-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+libc-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/libc) = 1.19.2
+Requires:       cargo
+Requires:       (crate(libc/default) >= 0.2.42 with crate(libc/default) < 0.3.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+libc-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "libc" feature of the "%{crate}" crate.
+
+%files       -n %{name}+libc-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+macros-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/macros) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/tokio-macros) = 1.19.2
+
+%description -n %{name}+macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+memchr-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/memchr) = 1.19.2
+Requires:       cargo
+Requires:       (crate(memchr/default) >= 2.2.0 with crate(memchr/default) < 3.0.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+memchr-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "memchr" feature of the "%{crate}" crate.
+
+%files       -n %{name}+memchr-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+mio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/mio) = 1.19.2
+Requires:       cargo
+Requires:       (crate(mio/default) >= 0.8.1 with crate(mio/default) < 0.9.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+mio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "mio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+mio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/net) = 1.19.2
+Requires:       cargo
+Requires:       (crate(mio/net) >= 0.8.1 with crate(mio/net) < 0.9.0~)
+Requires:       (crate(mio/os-ext) >= 0.8.1 with crate(mio/os-ext) < 0.9.0~)
+Requires:       (crate(mio/os-poll) >= 0.8.1 with crate(mio/os-poll) < 0.9.0~)
+Requires:       (crate(winapi/namedpipeapi) >= 0.3.8 with crate(winapi/namedpipeapi) < 0.4.0~)
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/libc) = 1.19.2
+Requires:       crate(tokio/socket2) = 1.19.2
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "net" feature of the "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+num_cpus-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/num_cpus) = 1.19.2
+Requires:       cargo
+Requires:       (crate(num_cpus/default) >= 1.8.0 with crate(num_cpus/default) < 2.0.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+num_cpus-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "num_cpus" feature of the "%{crate}" crate.
+
+%files       -n %{name}+num_cpus-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+once_cell-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/once_cell) = 1.19.2
+Requires:       cargo
+Requires:       (crate(once_cell/default) >= 1.5.2 with crate(once_cell/default) < 2.0.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+once_cell-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "once_cell" feature of the "%{crate}" crate.
+
+%files       -n %{name}+once_cell-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+parking_lot-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/parking_lot) = 1.19.2
+Requires:       cargo
+Requires:       (crate(parking_lot/default) >= 0.12.0 with crate(parking_lot/default) < 0.13.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+parking_lot-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "parking_lot" feature of the "%{crate}" crate.
+
+%files       -n %{name}+parking_lot-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+process-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/process) = 1.19.2
+Requires:       cargo
+Requires:       (crate(mio/net) >= 0.8.1 with crate(mio/net) < 0.9.0~)
+Requires:       (crate(mio/os-ext) >= 0.8.1 with crate(mio/os-ext) < 0.9.0~)
+Requires:       (crate(mio/os-poll) >= 0.8.1 with crate(mio/os-poll) < 0.9.0~)
+Requires:       (crate(winapi/threadpoollegacyapiset) >= 0.3.8 with crate(winapi/threadpoollegacyapiset) < 0.4.0~)
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/bytes) = 1.19.2
+Requires:       crate(tokio/libc) = 1.19.2
+Requires:       crate(tokio/once_cell) = 1.19.2
+Requires:       crate(tokio/signal-hook-registry) = 1.19.2
+
+%description -n %{name}+process-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "process" feature of the "%{crate}" crate.
+
+%files       -n %{name}+process-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/rt) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/once_cell) = 1.19.2
+
+%description -n %{name}+rt-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+rt-multi-thread-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/rt-multi-thread) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/num_cpus) = 1.19.2
+Requires:       crate(tokio/rt) = 1.19.2
+
+%description -n %{name}+rt-multi-thread-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "rt-multi-thread" feature of the "%{crate}" crate.
+
+%files       -n %{name}+rt-multi-thread-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/signal) = 1.19.2
+Requires:       cargo
+Requires:       (crate(mio/net) >= 0.8.1 with crate(mio/net) < 0.9.0~)
+Requires:       (crate(mio/os-ext) >= 0.8.1 with crate(mio/os-ext) < 0.9.0~)
+Requires:       (crate(mio/os-poll) >= 0.8.1 with crate(mio/os-poll) < 0.9.0~)
+Requires:       (crate(winapi/consoleapi) >= 0.3.8 with crate(winapi/consoleapi) < 0.4.0~)
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/libc) = 1.19.2
+Requires:       crate(tokio/once_cell) = 1.19.2
+Requires:       crate(tokio/signal-hook-registry) = 1.19.2
+
+%description -n %{name}+signal-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+signal-hook-registry-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/signal-hook-registry) = 1.19.2
+Requires:       cargo
+Requires:       (crate(signal-hook-registry/default) >= 1.1.1 with crate(signal-hook-registry/default) < 2.0.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+signal-hook-registry-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "signal-hook-registry" feature of the "%{crate}" crate.
+
+%files       -n %{name}+signal-hook-registry-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+socket2-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/socket2) = 1.19.2
+Requires:       cargo
+Requires:       (crate(socket2/all) >= 0.4.4 with crate(socket2/all) < 0.5.0~)
+Requires:       (crate(socket2/default) >= 0.4.4 with crate(socket2/default) < 0.5.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+socket2-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "socket2" feature of the "%{crate}" crate.
+
+%files       -n %{name}+socket2-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+stats-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/stats) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+stats-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "stats" feature of the "%{crate}" crate.
+
+%files       -n %{name}+stats-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+sync-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/sync) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+sync-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sync" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sync-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+test-util-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/test-util) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+Requires:       crate(tokio/rt) = 1.19.2
+Requires:       crate(tokio/sync) = 1.19.2
+Requires:       crate(tokio/time) = 1.19.2
+
+%description -n %{name}+test-util-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "test-util" feature of the "%{crate}" crate.
+
+%files       -n %{name}+test-util-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/time) = 1.19.2
+Requires:       cargo
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "time" feature of the "%{crate}" crate.
+
+%files       -n %{name}+time-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tokio-macros-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/tokio-macros) = 1.19.2
+Requires:       cargo
+Requires:       (crate(tokio-macros/default) >= 1.7.0 with crate(tokio-macros/default) < 2.0.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+tokio-macros-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tokio-macros" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tokio-macros-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+tracing-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/tracing) = 1.19.2
+Requires:       cargo
+Requires:       (crate(tracing/std) >= 0.1.25 with crate(tracing/std) < 0.2.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+tracing-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tracing" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tracing-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+winapi-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Provides:       crate(tokio/winapi) = 1.19.2
+Requires:       cargo
+Requires:       (crate(winapi/handleapi) >= 0.3.8 with crate(winapi/handleapi) < 0.4.0~)
+Requires:       (crate(winapi/mswsock) >= 0.3.8 with crate(winapi/mswsock) < 0.4.0~)
+Requires:       (crate(winapi/std) >= 0.3.8 with crate(winapi/std) < 0.4.0~)
+Requires:       (crate(winapi/winsock2) >= 0.3.8 with crate(winapi/winsock2) < 0.4.0~)
+Requires:       (crate(winapi/ws2ipdef) >= 0.3.8 with crate(winapi/ws2ipdef) < 0.4.0~)
+Requires:       (crate(winapi/ws2tcpip) >= 0.3.8 with crate(winapi/ws2tcpip) < 0.4.0~)
+Requires:       crate(tokio) = 1.19.2
+
+%description -n %{name}+winapi-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "winapi" feature of the "%{crate}" crate.
+
+%files       -n %{name}+winapi-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{real_crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Thu Jan 01 1970 Jane Jane <jane@jane.org> - 1.19.2-1
+- Initial package
diff --git a/rust2rpm/tests/samples/tokio-1.19.2.toml b/rust2rpm/tests/samples/tokio-1.19.2.toml
new file mode 100644
index 0000000..e42efe4
--- /dev/null
+++ b/rust2rpm/tests/samples/tokio-1.19.2.toml
@@ -0,0 +1,237 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+rust-version = "1.49"
+name = "tokio"
+version = "1.19.2"
+authors = ["Tokio Contributors <team@tokio.rs>"]
+description = """
+An event-driven, non-blocking I/O platform for writing asynchronous I/O
+backed applications.
+"""
+homepage = "https://tokio.rs"
+readme = "README.md"
+keywords = [
+    "io",
+    "async",
+    "non-blocking",
+    "futures",
+]
+categories = [
+    "asynchronous",
+    "network-programming",
+]
+license = "MIT"
+repository = "https://github.com/tokio-rs/tokio"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = [
+    "--cfg",
+    "docsrs",
+    "--cfg",
+    "tokio_unstable",
+]
+rustc-args = [
+    "--cfg",
+    "tokio_unstable",
+]
+
+[package.metadata.playground]
+features = [
+    "full",
+    "test-util",
+]
+
+[dependencies.bytes]
+version = "1.0.0"
+optional = true
+
+[dependencies.memchr]
+version = "2.2"
+optional = true
+
+[dependencies.mio]
+version = "0.8.1"
+optional = true
+
+[dependencies.num_cpus]
+version = "1.8.0"
+optional = true
+
+[dependencies.once_cell]
+version = "1.5.2"
+optional = true
+
+[dependencies.parking_lot]
+version = "0.12.0"
+optional = true
+
+[dependencies.pin-project-lite]
+version = "0.2.0"
+
+[dependencies.socket2]
+version = "0.4.4"
+features = ["all"]
+optional = true
+
+[dependencies.tokio-macros]
+version = "1.7.0"
+optional = true
+
+[dev-dependencies.async-stream]
+version = "0.3"
+
+[dev-dependencies.futures]
+version = "0.3.0"
+features = ["async-await"]
+
+[dev-dependencies.mockall]
+version = "0.11.1"
+
+[dev-dependencies.tempfile]
+version = "3.1.0"
+
+[dev-dependencies.tokio-stream]
+version = "0.1"
+
+[dev-dependencies.tokio-test]
+version = "0.4.0"
+
+[features]
+default = []
+fs = []
+full = [
+    "fs",
+    "io-util",
+    "io-std",
+    "macros",
+    "net",
+    "parking_lot",
+    "process",
+    "rt",
+    "rt-multi-thread",
+    "signal",
+    "sync",
+    "time",
+]
+io-std = []
+io-util = [
+    "memchr",
+    "bytes",
+]
+macros = ["tokio-macros"]
+net = [
+    "libc",
+    "mio/os-poll",
+    "mio/os-ext",
+    "mio/net",
+    "socket2",
+    "winapi/namedpipeapi",
+]
+process = [
+    "bytes",
+    "once_cell",
+    "libc",
+    "mio/os-poll",
+    "mio/os-ext",
+    "mio/net",
+    "signal-hook-registry",
+    "winapi/threadpoollegacyapiset",
+]
+rt = ["once_cell"]
+rt-multi-thread = [
+    "num_cpus",
+    "rt",
+]
+signal = [
+    "once_cell",
+    "libc",
+    "mio/os-poll",
+    "mio/net",
+    "mio/os-ext",
+    "signal-hook-registry",
+    "winapi/consoleapi",
+]
+stats = []
+sync = []
+test-util = [
+    "rt",
+    "sync",
+    "time",
+]
+time = []
+
+[target."cfg(loom)".dev-dependencies.loom]
+version = "0.5.2"
+features = [
+    "futures",
+    "checkpoint",
+]
+
+[target."cfg(not(target_arch = \"wasm32\"))".dev-dependencies.proptest]
+version = "1"
+
+[target."cfg(not(target_arch = \"wasm32\"))".dev-dependencies.rand]
+version = "0.8.0"
+
+[target."cfg(not(target_arch = \"wasm32\"))".dev-dependencies.socket2]
+version = "0.4"
+
+[target."cfg(target_arch = \"wasm32\")".dev-dependencies.wasm-bindgen-test]
+version = "0.3.0"
+
+[target."cfg(target_os = \"freebsd\")".dev-dependencies.mio-aio]
+version = "0.6.0"
+features = ["tokio"]
+
+[target."cfg(tokio_unstable)".dependencies.tracing]
+version = "0.1.25"
+features = ["std"]
+optional = true
+default-features = false
+
+[target."cfg(unix)".dependencies.libc]
+version = "0.2.42"
+optional = true
+
+[target."cfg(unix)".dependencies.signal-hook-registry]
+version = "1.1.1"
+optional = true
+
+[target."cfg(unix)".dev-dependencies.libc]
+version = "0.2.42"
+
+[target."cfg(unix)".dev-dependencies.nix]
+version = "0.24"
+features = [
+    "fs",
+    "socket",
+]
+default-features = false
+
+[target."cfg(windows)".dependencies.winapi]
+version = "0.3.8"
+features = [
+    "std",
+    "winsock2",
+    "mswsock",
+    "handleapi",
+    "ws2ipdef",
+    "ws2tcpip",
+]
+optional = true
+default-features = false
+
+[target."cfg(windows)".dev-dependencies.ntapi]
+version = "0.3.6"
diff --git a/rust2rpm/tests/test_generator.py b/rust2rpm/tests/test_generator.py
new file mode 100644
index 0000000..1d2d21b
--- /dev/null
+++ b/rust2rpm/tests/test_generator.py
@@ -0,0 +1,88 @@
+from importlib import resources
+import pathlib
+import os
+import re
+import time
+
+import pytest
+
+from rust2rpm.generator import to_list, spec_file_render
+from rust2rpm.__main__ import (
+    Metadata,
+    get_parser,
+    package_name_suffixed)
+
+
+def test_to_list():
+    assert to_list('1\n2') == ['1', '2']
+    assert to_list('1\n\n   2'   ) == ['1', '2']
+    assert to_list('   2   ') == ['2']
+    assert to_list('\n\n') == []
+
+
+# How to add new tests samples:
+# - find an interesting crate
+# - copy unpatched Cargo.toml to rust2rpm/test/samples/<name>-<version>.toml
+#   (i.e. not Cargo.orig.toml and not the patched version after %prep)
+#   The license of the crate must allow this, e.g. MIT is fine.
+# - execute PYTHONPATH=. SAVE_SPECS=1 pytest -v rust2rpm/tests/test_generator.py
+# - review output and commit
+
+FIXED_DATE = time.gmtime(12345)
+
+tomlfiles = [p
+             for p in resources.files('rust2rpm.tests.samples').iterdir()
+             if p.suffix == '.toml']
+
+def mock_spec_file_render(crate, tomlfile, target, tmpdir):
+    tmpdir = pathlib.Path(tmpdir)
+    # sadly we need to do this because cargo insists on looking for files
+    tmpdir.joinpath('src').mkdir()
+    tmpdir.joinpath('src/lib.rs').write_text('# hello!')
+    tmpdir.joinpath('src/main.rs').write_text('# hello!')
+
+    args = get_parser().parse_args(['foobar',
+                                    f'--target={target}',
+                                    '-a' if target == 'fedora' else '--no-rpmautospec'])
+    pkg_name = package_name_suffixed(crate, args.suffix)
+
+    toml_before = open(tomlfile).readlines()
+
+    fake_toml = tmpdir / 'Cargo.toml'
+    fake_toml.write_text('\n'.join(toml_before))
+
+    metadata, = Metadata.from_file(fake_toml)
+
+    return spec_file_render(
+        args = args,
+        pkg_name = pkg_name,
+        crate = crate,
+        metadata = metadata,
+        patch_file = f'{crate}-patch1.diff',
+        packager_identity = 'Jane Jane <jane@jane.org>',
+        doc_files = ['DOC1', 'DOC2'],
+        license_files = ['LIC1', 'LIC2'],
+        distconf = {},
+        all_features = False,
+        date=FIXED_DATE,
+    )
+
+@pytest.mark.parametrize('tomlfile', tomlfiles)
+@pytest.mark.parametrize('target', ['plain', 'fedora', 'mageia', 'opensuse'])
+def test_spec(tomlfile, target, tmpdir):
+    crate = tomlfile.with_suffix('').name
+
+    spec = mock_spec_file_render(crate, tomlfile, target, tmpdir)
+    spec = re.sub('^(# Generated by rust2rpm) .*', r'\1 NNN', spec)
+
+    if os.getenv('SAVE_SPECS') == '1':
+        # helper mode to create test data
+        path = resources.path('rust2rpm.tests.samples',
+                              f'{crate}.{target}.spec')
+        path.write_text(spec)
+
+    else:
+        expected = resources.read_text('rust2rpm.tests.samples',
+                                       f'{crate}.{target}.spec')
+
+        assert spec == expected