From eacc05b3e9158256c9894796d03905e001944b30 Mon Sep 17 00:00:00 2001
From: Merlin Mathesius <mmathesi@redhat.com>
Date: Nov 09 2020 20:38:42 +0000
Subject: Add support for using "--release eln"


Signed-off-by: Merlin Mathesius <mmathesi@redhat.com>

---

diff --git a/fedpkg/__init__.py b/fedpkg/__init__.py
index 24d9f9e..c070416 100644
--- a/fedpkg/__init__.py
+++ b/fedpkg/__init__.py
@@ -122,6 +122,8 @@ class Commands(pyrpkg.Commands):
         # Determine runtime environment
         self._runtime_disttag = self._determine_runtime_env()
 
+        extra_rpmdefines = []
+
         # We only match the top level branch name exactly.
         # Anything else is too dangerous and --dist should be used
         # This regex works until after Fedora 99.
@@ -154,6 +156,18 @@ class Commands(pyrpkg.Commands):
             self._disttag = 'olpc%s' % self._distval
             self.override = 'dist-olpc%s-override' % self._distval
             self._distunset = 'rhel'
+        elif re.match(r'eln$', self.branch_merge):
+            macros = self._get_build_macros('eln-candidate')
+            self._distval = macros['eln']
+            self._distvar = 'eln'
+            self._disttag = 'eln%s' % macros['eln']
+            self.mockconfig = 'fedora-eln-%s' % self.localarch
+            self.override = 'eln-override'
+            self._distunset = 'fedora'
+            extra_rpmdefines = [
+                "--define 'el%s 1'" % macros['rhel'],
+                "--define 'rhel %s'" % macros['rhel'],
+            ]
         # master
         elif re.match(r'master$', self.branch_merge):
             self._distval = self._findmasterbranch()
@@ -186,6 +200,9 @@ class Commands(pyrpkg.Commands):
                 self._rpmdefines.append("--eval '%%undefine %s'" %
                                         self._runtime_disttag)
 
+        if extra_rpmdefines:
+            self._rpmdefines.extend(extra_rpmdefines)
+
     def build_target(self, release):
         if release == 'master':
             return 'rawhide'
@@ -202,6 +219,31 @@ class Commands(pyrpkg.Commands):
         """ get the '26' part of 'f26-foo' string """
         return dest_tag.split('-')[0].replace('f', '')
 
+    def _get_build_macros(self, build_target):
+        """Get the koji rpm.build.macros for the given build target"""
+
+        if self._kojisession:
+            session = self.kojisession
+        else:
+            session = self.anon_kojisession
+
+        try:
+            target = session.getBuildTarget(build_target)
+        except Exception as e:
+            self.log.error(str(e))
+            raise pyrpkg.rpkgError(
+                'Cannot access Koji to get build information for {}'.format(build_target))
+
+        buildcfg = session.getBuildConfig(target['build_tag_name'])
+
+        macros = {}
+        for extra in buildcfg['extra']:
+            if extra.startswith('rpm.macro.'):
+                macroname = extra[len('rpm.macro.'):]
+                macros[macroname] = buildcfg['extra'][extra]
+
+        return macros
+
     def _findmasterbranch(self):
         """Find the right "fedora" for master"""