$ git clone -n https://src.fedoraproject.org/rpms/R-RPostgres.git /var/lib/mock/f41-build-821917-152652/root/chroot_tmpdir/scmroot/R-RPostgres
Cloning into '/var/lib/mock/f41-build-821917-152652/root/chroot_tmpdir/scmroot/R-RPostgres'...
$ git fetch origin f209ee90f6c81b2e0825327a5dccda31dc3b7ffa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-RPostgres
 * [new ref]         f209ee90f6c81b2e0825327a5dccda31dc3b7ffa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f209ee9 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild