$ git clone -n https://src.fedoraproject.org/rpms/rdiff-backup.git /var/lib/mock/f40-build-2321285-58560/root/chroot_tmpdir/scmroot/rdiff-backup
Cloning into '/var/lib/mock/f40-build-2321285-58560/root/chroot_tmpdir/scmroot/rdiff-backup'...
$ git fetch origin 484260af179e80b31c9a4f0389544ee386885e3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rdiff-backup
 * [new ref]         484260af179e80b31c9a4f0389544ee386885e3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 484260a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild