$ git clone -n https://src.fedoraproject.org/rpms/ETL.git /var/lib/mock/f41-build-846082-162958/root/chroot_tmpdir/scmroot/ETL
Cloning into '/var/lib/mock/f41-build-846082-162958/root/chroot_tmpdir/scmroot/ETL'...
$ git fetch origin a1ea37ba18214d361cb062386b65e3d5b3d69664:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ETL
 * [new ref]         a1ea37ba18214d361cb062386b65e3d5b3d69664 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1ea37b 1.5.3