$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-bigquery-storage.git /var/lib/mock/f38-build-side-42-init-devel-994691-29133/root/chroot_tmpdir/scmroot/python-google-cloud-bigquery-storage
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-994691-29133/root/chroot_tmpdir/scmroot/python-google-cloud-bigquery-storage'...
$ git fetch origin b22f141d944cfcd4f5aef5fdc9ada62c46c8c073:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-bigquery-storage
 * [new ref]         b22f141d944cfcd4f5aef5fdc9ada62c46c8c073 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b22f141 Update to 2.19.1 rhbz#2182116