$ git clone -n https://src.fedoraproject.org/rpms/python-epub.git /var/lib/mock/f42-build-3340392-44984/root/chroot_tmpdir/scmroot/python-epub
Cloning into '/var/lib/mock/f42-build-3340392-44984/root/chroot_tmpdir/scmroot/python-epub'...
$ git fetch origin a42a891e31138e15397be82a2acaed5645c1071e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-epub
 * [new ref]         a42a891e31138e15397be82a2acaed5645c1071e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a42a891 Orphaned for 6+ weeks