$ git clone -n https://src.fedoraproject.org/rpms/R-backports.git /var/lib/mock/f41-build-820867-152372/root/chroot_tmpdir/scmroot/R-backports
Cloning into '/var/lib/mock/f41-build-820867-152372/root/chroot_tmpdir/scmroot/R-backports'...
$ git fetch origin 60449459493b7bde62586927451949e177aeef15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-backports
 * [new ref]         60449459493b7bde62586927451949e177aeef15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6044945 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild