$ git clone -n https://src.fedoraproject.org/rpms/kf5-messagelib.git /var/lib/mock/f38-build-717677-96586/root/chroot_tmpdir/scmroot/kf5-messagelib
Cloning into '/var/lib/mock/f38-build-717677-96586/root/chroot_tmpdir/scmroot/kf5-messagelib'...
$ git fetch origin 35fbb5a0a5a11bec98ab5c5cfcf257bccf4617b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-messagelib
 * [new ref]         35fbb5a0a5a11bec98ab5c5cfcf257bccf4617b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35fbb5a 23.04.1