$ git clone -n https://src.fedoraproject.org/rpms/kiln.git /var/lib/mock/f39-build-1503929-34992/root/chroot_tmpdir/scmroot/kiln
Cloning into '/var/lib/mock/f39-build-1503929-34992/root/chroot_tmpdir/scmroot/kiln'...
$ git fetch origin 2d32924488875a7b528f7ebe26c33daf2ff2514f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiln
 * [new ref]         2d32924488875a7b528f7ebe26c33daf2ff2514f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d32924 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild