$ git clone -n https://src.fedoraproject.org/rpms/R-processx.git /var/lib/mock/f41-build-821996-152654/root/chroot_tmpdir/scmroot/R-processx
Cloning into '/var/lib/mock/f41-build-821996-152654/root/chroot_tmpdir/scmroot/R-processx'...
$ git fetch origin 8c85ea4d841d4d1432a9384f80accdddef609670:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-processx
 * [new ref]         8c85ea4d841d4d1432a9384f80accdddef609670 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c85ea4 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild