$ git clone -n https://src.fedoraproject.org/rpms/balsa.git /var/lib/mock/f41-build-1658794-24203/root/chroot_tmpdir/scmroot/balsa
Cloning into '/var/lib/mock/f41-build-1658794-24203/root/chroot_tmpdir/scmroot/balsa'...
$ git fetch origin 3aaa186b92387eac389d01be8644d29323d43c44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/balsa
 * [new ref]         3aaa186b92387eac389d01be8644d29323d43c44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3aaa186 Orphaned for 6+ weeks