$ git clone -n https://src.fedoraproject.org/rpms/marble.git /var/lib/mock/f40-build-744102-111537/root/chroot_tmpdir/scmroot/marble
Cloning into '/var/lib/mock/f40-build-744102-111537/root/chroot_tmpdir/scmroot/marble'...
$ git fetch origin 7f1a76b70b568e17d9ed6bee9509bbbfaf33d9b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marble
 * [new ref]         7f1a76b70b568e17d9ed6bee9509bbbfaf33d9b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f1a76b 23.08.2