$ git clone -n https://src.fedoraproject.org/rpms/Maelstrom.git /var/lib/mock/f39-build-1464034-33469/root/chroot_tmpdir/scmroot/Maelstrom
Cloning into '/var/lib/mock/f39-build-1464034-33469/root/chroot_tmpdir/scmroot/Maelstrom'...
$ git fetch origin d58232392c96c7c3f1e6a72d100be27f6de58a32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Maelstrom
 * [new ref]         d58232392c96c7c3f1e6a72d100be27f6de58a32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d582323 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild