$ git clone -n https://src.fedoraproject.org/rpms/kf6-karchive.git /var/lib/mock/f40-build-2296334-56382/root/chroot_tmpdir/scmroot/kf6-karchive
Cloning into '/var/lib/mock/f40-build-2296334-56382/root/chroot_tmpdir/scmroot/kf6-karchive'...
$ git fetch origin b3d718b93c7720f8053c91fccf9e179872d6c36f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-karchive
 * [new ref]         b3d718b93c7720f8053c91fccf9e179872d6c36f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3d718b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild