$ git clone -n https://src.fedoraproject.org/rpms/moarvm.git /var/lib/mock/f40-build-805200-144728/root/chroot_tmpdir/scmroot/moarvm
Cloning into '/var/lib/mock/f40-build-805200-144728/root/chroot_tmpdir/scmroot/moarvm'...
$ git fetch origin 30cd71d3926dbc3d283050f4e7beeda337a34956:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/moarvm
 * [new ref]         30cd71d3926dbc3d283050f4e7beeda337a34956 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30cd71d [packit] 2024.02 upstream release