$ git clone -n https://src.fedoraproject.org/rpms/rdiff-backup.git /var/lib/mock/f45-build-34377-685/root/chroot_tmpdir/scmroot/rdiff-backup
Cloning into '/var/lib/mock/f45-build-34377-685/root/chroot_tmpdir/scmroot/rdiff-backup'...
$ git fetch origin c1a1b98dbb99eff1796d473208af4237c2117f7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rdiff-backup
 * [new ref]         c1a1b98dbb99eff1796d473208af4237c2117f7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1a1b98 Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild