$ git clone -n https://src.fedoraproject.org/rpms/python-zope-testrunner.git /var/lib/mock/f45-build-33757-674/root/chroot_tmpdir/scmroot/python-zope-testrunner
Cloning into '/var/lib/mock/f45-build-33757-674/root/chroot_tmpdir/scmroot/python-zope-testrunner'...
$ git fetch origin cc7b55c096c0ecfc6a6fb6f569ff757ed77d4b89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zope-testrunner
 * [new ref]         cc7b55c096c0ecfc6a6fb6f569ff757ed77d4b89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc7b55c Update to 8.3 upstream release