$ git clone -n https://src.fedoraproject.org/rpms/google-api-python-client.git /var/lib/mock/f39-build-1790897-41742/root/chroot_tmpdir/scmroot/google-api-python-client
Cloning into '/var/lib/mock/f39-build-1790897-41742/root/chroot_tmpdir/scmroot/google-api-python-client'...
$ git fetch origin a8152927ece5e8bcf2bba6aa47ef931d3102376b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-api-python-client
 * [new ref]         a8152927ece5e8bcf2bba6aa47ef931d3102376b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a815292 2.108.0