From ba5ecbb0c91622c509715a83ef20e7ec59e148fb Mon Sep 17 00:00:00 2001
From: Tomas Kopecek <tkopecek@redhat.com>
Date: May 16 2022 14:15:10 +0000
Subject: PR#3358:  kojid: permit forcing releasever/arch within mock per tag


Merges #3358
https://pagure.io/koji/pull-request/3358

Fixes #3304
https://pagure.io/koji/issue/3304

---

diff --git a/builder/kojid b/builder/kojid
index a202425..248f1fb 100755
--- a/builder/kojid
+++ b/builder/kojid
@@ -280,6 +280,9 @@ class BuildRoot(object):
         opts['maven_envs'] = self.maven_envs
         opts['bind_opts'] = self.bind_opts
         opts['target_arch'] = self.target_arch
+        if 'mock.forcearch' in self.config['extra']:
+            if bool(self.config['extra']['mock.forcearch']):
+                opts['forcearch'] = self.target_arch
         if 'mock.package_manager' in self.config['extra']:
             opts['package_manager'] = self.config['extra']['mock.package_manager']
         if 'mock.yum.module_hotfixes' in self.config['extra']:
@@ -301,6 +304,8 @@ class BuildRoot(object):
             }
         if 'mock.module_setup_commands' in self.config['extra']:
             opts['module_setup_commands'] = self.config['extra']['mock.module_setup_commands']
+        if 'mock.releasever' in self.config['extra']:
+            opts['releasever'] = self.config['extra']['mock.releasever']
         if self.internal_dev_setup is not None:
             opts['internal_dev_setup'] = bool(self.internal_dev_setup)
         opts['tag_macros'] = {}
diff --git a/cli/koji_cli/commands.py b/cli/koji_cli/commands.py
index 4c08506..42213c3 100644
--- a/cli/koji_cli/commands.py
+++ b/cli/koji_cli/commands.py
@@ -1131,11 +1131,14 @@ def anon_handle_mock_config(goptions, session, args):
     if opts['repoid'] != 'latest':
         event = session.repoInfo(opts['repoid'])['create_event']
     buildcfg = session.getBuildConfig(opts['tag_name'], event=event)
-    if options.arch:
+    if arch:
         if not buildcfg['arches']:
             warn("Tag %s has an empty arch list" % opts['tag_name'])
         elif arch not in buildcfg['arches']:
             warn('%s is not in the list of tag arches' % arch)
+        if 'mock.forcearch' in buildcfg['extra']:
+            if bool(buildcfg['extra']['mock.forcearch']):
+                opts['forcearch'] = arch
     if 'mock.package_manager' in buildcfg['extra']:
         opts['package_manager'] = buildcfg['extra']['mock.package_manager']
     if 'mock.yum.module_hotfixes' in buildcfg['extra']:
@@ -1149,6 +1152,8 @@ def anon_handle_mock_config(goptions, session, args):
         opts['use_bootstrap'] = buildcfg['extra']['mock.use_bootstrap']
     if 'mock.module_setup_commands' in buildcfg['extra']:
         opts['module_setup_commands'] = buildcfg['extra']['mock.module_setup_commands']
+    if 'mock.releasever' in buildcfg['extra']:
+        opts['releasever'] = buildcfg['extra']['mock.releasever']
     opts['tag_macros'] = {}
     for key in buildcfg['extra']:
         if key.startswith('rpm.macro.'):
diff --git a/docs/source/using_the_koji_build_system.rst b/docs/source/using_the_koji_build_system.rst
index 7d8887b..b6b43d1 100644
--- a/docs/source/using_the_koji_build_system.rst
+++ b/docs/source/using_the_koji_build_system.rst
@@ -393,6 +393,8 @@ environment follows:
 * ``mock.new_chroot`` - 0/1 value. If it is set, ``--new-chroot`` or
   `--old-chroot` option is appended to any mock call. If it is not set,
   mock's default behavior is used.
+* ``mock.releasever`` - When doing cross-compiles it may be necessary
+  to explicitly set the ``releasever`` to be used.
 * ``mock.use_bootstrap`` - 0/1 value. If it is set, ``--bootstrap-chroot``
   is appended to the mock init call.  This tells mock to build in two stages,
   using chroot rpm for creating the build chroot. If it is not set, mock's
@@ -431,6 +433,8 @@ environment follows:
 * ``mock.module_setup_commands`` - commands for configuring the modules active
   in a buildroot. Available in `mock 2.4
   <https://github.com/rpm-software-management/mock/wiki/Release-Notes-2.4>`__.
+* ``mock.forcearch`` - 0/1 value. If true mock will set the ``forcearch``
+  config option to match the target arch of each buildroot.
 * ``mock.yum.best`` - 0/1 value. If set yum/dnf will use highest available rpm
   version (see man yum.conf)
 * ``mock.yum.module_hotfixes`` - 0/1 value. If set, yum/dnf will use packages
diff --git a/koji/__init__.py b/koji/__init__.py
index 348f060..d12ecb5 100644
--- a/koji/__init__.py
+++ b/koji/__init__.py
@@ -1629,6 +1629,8 @@ def genMockConfig(name, arch, managed=False, repoid=None, tag_name=None, **opts)
         # turn off warning for yum being used in place of dnf
         'dnf_warning': False,
     }
+    if 'forcearch' in opts:
+        config_opts['forcearch'] = opts['forcearch']
     if opts.get('package_manager'):
         config_opts['package_manager'] = opts['package_manager']
     if opts.get('bootstrap_image'):
@@ -1638,6 +1640,8 @@ def genMockConfig(name, arch, managed=False, repoid=None, tag_name=None, **opts)
         config_opts['use_bootstrap'] = bool(opts['use_bootstrap'])
     if 'module_setup_commands' in opts:
         config_opts['module_setup_commands'] = opts['module_setup_commands']
+    if 'releasever' in opts:
+        config_opts['releasever'] = opts['releasever']
 
     # bind_opts are used to mount parts (or all of) /dev if needed.
     # See kojid::LiveCDTask for a look at this option in action.