$ git clone -n https://src.fedoraproject.org/rpms/messagelib.git /var/lib/mock/f41-build-712992-13044/root/chroot_tmpdir/scmroot/messagelib
Cloning into '/var/lib/mock/f41-build-712992-13044/root/chroot_tmpdir/scmroot/messagelib'...
$ git fetch origin 3b0a93e448bd00047b6dfc36f514ec1035dab369:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/messagelib
 * [new ref]         3b0a93e448bd00047b6dfc36f514ec1035dab369 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b0a93e 24.05.0