$ git clone -n https://src.fedoraproject.org/rpms/testcloud.git /var/lib/mock/f41-build-side-1-2778876-32445/root/chroot_tmpdir/scmroot/testcloud
Cloning into '/var/lib/mock/f41-build-side-1-2778876-32445/root/chroot_tmpdir/scmroot/testcloud'...
$ git fetch origin 3cb43687cfaeaa645bc237b765c326bc0a0e84c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/testcloud
 * [new ref]         3cb43687cfaeaa645bc237b765c326bc0a0e84c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cb4368 Release 0.10.0