$ git clone -n https://src.fedoraproject.org/rpms/twinkle.git /var/lib/mock/f40-build-794841-139796/root/chroot_tmpdir/scmroot/twinkle
Cloning into '/var/lib/mock/f40-build-794841-139796/root/chroot_tmpdir/scmroot/twinkle'...
$ git fetch origin 29d680f2128a7f281a28aeb10dc68c2ca0c8739f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/twinkle
 * [new ref]         29d680f2128a7f281a28aeb10dc68c2ca0c8739f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29d680f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild