From http://koji.fedoraproject.org/mash/branched-20150822/logs/critpath.log:

{{{
Using URL file:///mnt/koji/mash/branched-20150822/23/22/$basearch/os
Expanding critical path for armhfp
adding critpath-repo-armhfp at file:///mnt/koji/mash/branched-20150822/23/22/$basearch/os
expanding @core
Traceback (most recent call last):
File "./scripts/critpath.py", line 178, in <module>
pkgs = expand_critpath(my, critpath_groups)
File "./scripts/critpath.py", line 79, in expand_critpath
group = my.comps.return_group(name[1:])
File "/usr/lib/python2.7/site-packages/yum/init.py", line 1102, in <lambda>
comps = property(fget=lambda self: self._getGroups(),
File "/usr/lib/python2.7/site-packages/yum/init.py", line 918, in _getGroups
self.pkgSack
File "/usr/lib/python2.7/site-packages/yum/init.py", line 1079, in <lambda>
pkgSack = property(fget=lambda self: self._getSacks(),
File "/usr/lib/python2.7/site-packages/yum/init.py", line 784, in _getSacks
self.repos.populateSack(which=repos)
File "/usr/lib/python2.7/site-packages/yum/repos.py", line 383, in populateSack
sack.populate(repo, mdtype, callback, cacheonly)
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 224, in populate
if self._check_db_version(repo, mydbtype):
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 316, in _check_db_version
return repo._check_db_version(mdtype)
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1484, in _check_db_version
repoXML = self.repoXML
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1670, in <lambda>
repoXML = property(fget=lambda self: self._getRepoXML(),
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1666, in _getRepoXML
self._loadRepoXML(text=self.ui_id)
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1657, in _loadRepoXML
return self._groupLoadRepoXML(text, self._mdpolicy2mdtypes())
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1631, in _groupLoadRepoXML
if self._commonLoadRepoXML(text):
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1456, in _commonLoadRepoXML
result = self._getFileRepoXML(local, text)
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1234, in _getFileRepoXML
size=102400) # setting max size as 100K
File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1030, in _getFile
raise e
yum.Errors.NoMoreMirrorsRepoError: failure: repodata/repomd.xml from critpath-repo-armhfp: [Errno 256] No more mirrors to try.
file:///mnt/koji/mash/branched-20150822/23/22/armhfp/os/repodata/repomd.xml: [Errno 14] curl#37 - "Couldn't open file /mnt/koji/mash/branched-20150822/23/22/armhfp/os/repodata/repomd.xml"
}}}