$ git clone -n https://src.fedoraproject.org/rpms/R-cpp11.git /var/lib/mock/f40-build-2032004-47660/root/chroot_tmpdir/scmroot/R-cpp11
Cloning into '/var/lib/mock/f40-build-2032004-47660/root/chroot_tmpdir/scmroot/R-cpp11'...
$ git fetch origin 4e9dc7bca8b97f56dd035f3f2bb95990bdddb765:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-cpp11
 * [new ref]         4e9dc7bca8b97f56dd035f3f2bb95990bdddb765 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e9dc7b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild