$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-iam.git /var/lib/mock/f37-build-side-28-python-devel-97643-5303/root/chroot_tmpdir/scmroot/python-google-cloud-iam
Cloning into '/var/lib/mock/f37-build-side-28-python-devel-97643-5303/root/chroot_tmpdir/scmroot/python-google-cloud-iam'...
$ git reset --hard d7a7ff34178d7dbc00a0a281709e5c4ab4b80f24
HEAD is now at d7a7ff3 Update to 2.8.1 rhbz#2107232