$ git clone -n https://src.fedoraproject.org/rpms/mokutil.git /var/lib/mock/f39-build-2546908-61806/root/chroot_tmpdir/scmroot/mokutil
Cloning into '/var/lib/mock/f39-build-2546908-61806/root/chroot_tmpdir/scmroot/mokutil'...
$ git fetch origin 6bc5b860707a49dc5062fb6fc686a1a11be6a12d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mokutil
 * [new ref]         6bc5b860707a49dc5062fb6fc686a1a11be6a12d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bc5b86 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild