commit fbdc19f411ee31bf18af242e7b3b39947ed28f2d
Author: Valentina Mukhamedzhanova <vmukhame@redhat.com>
Date:   Thu Feb 13 15:30:23 2014 +0100

     Fix 'reposync -r nosuchrepo' behaviour. BZ 1060702
    
    Show a warning if user-provided repoid was not found and
    exit(1) if none of user-provided repoids were found.

diff --git a/reposync.py b/reposync.py
index b1ee285..e7c98a3 100755
--- a/reposync.py
+++ b/reposync.py
@@ -179,7 +179,15 @@ def main():
         
         # find the ones we want
         for glob in opts.repoid:
-            myrepos.extend(my.repos.findRepos(glob))
+            add_repos = my.repos.findRepos(glob)
+            if not add_repos:
+                print >> sys.stderr, "Warning: cannot find repository %s" % glob
+                continue
+            myrepos.extend(add_repos)
+
+        if not myrepos:
+            print >> sys.stderr, "No repositories found"
+            sys.exit(1)
         
         # disable them all
         for repo in my.repos.repos.values():