$ git clone -n https://src.fedoraproject.org/rpms/messagelib.git /var/lib/mock/f41-build-854427-166865/root/chroot_tmpdir/scmroot/messagelib
Cloning into '/var/lib/mock/f41-build-854427-166865/root/chroot_tmpdir/scmroot/messagelib'...
$ git fetch origin 298d17b02ee9b9b6e684bc04c4a2a3bf57082d93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/messagelib
 * [new ref]         298d17b02ee9b9b6e684bc04c4a2a3bf57082d93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 298d17b 24.08.0