$ git clone -n https://src.fedoraproject.org/rpms/marble.git /var/lib/mock/f39-build-1759013-41485/root/chroot_tmpdir/scmroot/marble
Cloning into '/var/lib/mock/f39-build-1759013-41485/root/chroot_tmpdir/scmroot/marble'...
$ git fetch origin 137e557c793216a9638fd880ea1e318e52b8f045:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marble
 * [new ref]         137e557c793216a9638fd880ea1e318e52b8f045 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 137e557 23.08.3