$ git clone -n https://src.fedoraproject.org/rpms/cervisia.git /var/lib/mock/f40-build-2240063-53628/root/chroot_tmpdir/scmroot/cervisia
Cloning into '/var/lib/mock/f40-build-2240063-53628/root/chroot_tmpdir/scmroot/cervisia'...
$ git fetch origin 6db4dd0e0236a8fd7c7bab3b9c57f4f94a2066b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cervisia
 * [new ref]         6db4dd0e0236a8fd7c7bab3b9c57f4f94a2066b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6db4dd0 24.01.90