$ git clone -n https://src.fedoraproject.org/rpms/grpc.git /var/lib/mock/f33-build-296166-55652/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/f33-build-296166-55652/root/chroot_tmpdir/scmroot/grpc'...
$ git reset --hard 7c4d8c04c4b82617199acfba94d5306ae528b57c
HEAD is now at 7c4d8c0 Patches for https://github.com/grpc/grpc/pull/21669