$ git clone -n https://src.fedoraproject.org/rpms/rdiff-backup.git /var/lib/mock/f39-build-2010841-45643/root/chroot_tmpdir/scmroot/rdiff-backup
Cloning into '/var/lib/mock/f39-build-2010841-45643/root/chroot_tmpdir/scmroot/rdiff-backup'...
$ git fetch origin 7a68483788089e9dda47b46c2bc0a4c219094cc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rdiff-backup
 * [new ref]         7a68483788089e9dda47b46c2bc0a4c219094cc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a68483 Rebuild for pyinstall CVE-2023-49797 BZ2253844