$ git clone -n https://src.fedoraproject.org/rpms/python-grpc-google-iam-v1.git /var/lib/mock/f38-build-side-42-init-devel-1022327-29647/root/chroot_tmpdir/scmroot/python-grpc-google-iam-v1
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1022327-29647/root/chroot_tmpdir/scmroot/python-grpc-google-iam-v1'...
$ git fetch origin 9d363f5acc92003220e165510014425a60a9afa7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-grpc-google-iam-v1
 * [new ref]         9d363f5acc92003220e165510014425a60a9afa7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d363f5 Re-enable tests