$ git clone -n https://src.fedoraproject.org/rpms/mpich.git /var/lib/mock/f41-build-813447-148676/root/chroot_tmpdir/scmroot/mpich
Cloning into '/var/lib/mock/f41-build-813447-148676/root/chroot_tmpdir/scmroot/mpich'...
$ git fetch origin 5f6ad30eda45e5b8a5613609908488e87945bf50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpich
 * [new ref]         5f6ad30eda45e5b8a5613609908488e87945bf50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f6ad30 Rebuilt for Python 3.13