[PATCH] use mergerepo_c when available

[Dennis Gilmore]

mergerepo_c has a --koji flag to use the behaviour of kojis inbuilt
fork of mergerepo. lets use it if it is available.

Signed-off-by: Dennis Gilmore <dennis at ausil.us>
---
 builder/kojid | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/builder/kojid b/builder/kojid
index 4e53fb5..8c0b20d 100755
--- a/builder/kojid
+++ b/builder/kojid
@@ -4305,7 +4305,11 @@ class CreaterepoTask(BaseTaskHandler):
             repos.append(ext_url)
 
         blocklist = self.repodir + '/blocklist'
-        cmd = ['/usr/libexec/kojid/mergerepos', '-a', arch, '-b', blocklist, '-o', self.outdir]
+        if os.path.isfile('/usr/bin/mergerepo_c'):
+            cmd = ['/usr/bin/mergerepo_c', '--koji']
+        else:
+            cmd = ['/usr/libexec/kojid/mergerepos']
+        cmd.extend(['-a', arch, '-b', blocklist, '-o', self.outdir])
         if os.path.isfile(groupdata):
             cmd.extend(['-g', groupdata])
         for repo in repos:
-- 
2.4.0