$ git clone -n https://src.fedoraproject.org/rpms/R-rlang.git /var/lib/mock/f41-build-850913-165788/root/chroot_tmpdir/scmroot/R-rlang
Cloning into '/var/lib/mock/f41-build-850913-165788/root/chroot_tmpdir/scmroot/R-rlang'...
$ git fetch origin 9b41fdf8ad8a4f73f3ae901110bfb348825afa8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rlang
 * [new ref]         9b41fdf8ad8a4f73f3ae901110bfb348825afa8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b41fdf Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild