$ git clone -n https://src.fedoraproject.org/rpms/moon-buggy.git /var/lib/mock/f42-build-882722-184550/root/chroot_tmpdir/scmroot/moon-buggy
Cloning into '/var/lib/mock/f42-build-882722-184550/root/chroot_tmpdir/scmroot/moon-buggy'...
$ git fetch origin 6b3e3030cd54c0bd3c2edfb9b3f4ea43466cf34d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/moon-buggy
 * [new ref]         6b3e3030cd54c0bd3c2edfb9b3f4ea43466cf34d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b3e303 Add patch to fix C23 compatibility (#2340879)