$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-bigquery.git /var/lib/mock/f39-build-2087070-50152/root/chroot_tmpdir/scmroot/python-google-cloud-bigquery
Cloning into '/var/lib/mock/f39-build-2087070-50152/root/chroot_tmpdir/scmroot/python-google-cloud-bigquery'...
$ git fetch origin 8f867c17c3d3dff671bc27a48b4ad6e831e64273:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-bigquery
 * [new ref]         8f867c17c3d3dff671bc27a48b4ad6e831e64273 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f867c1 Merge branch 'rawhide' into f39