$ git clone -n https://src.fedoraproject.org/rpms/grpc.git /var/lib/mock/f41-build-815153-149420/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/f41-build-815153-149420/root/chroot_tmpdir/scmroot/grpc'...
$ git fetch origin 3cf17c14e77eaf61b50208af9994239580db03ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grpc
 * [new ref]         3cf17c14e77eaf61b50208af9994239580db03ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cf17c1 Rebuilt for Python 3.13