$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-container.git /var/lib/mock/f38-build-side-42-init-devel-1035266-29746/root/chroot_tmpdir/scmroot/python-google-cloud-container
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1035266-29746/root/chroot_tmpdir/scmroot/python-google-cloud-container'...
$ git fetch origin d3df3199e70202424f1a1583c22bc767b408656e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-container
 * [new ref]         d3df3199e70202424f1a1583c22bc767b408656e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3df319 Update to 2.28.0 rhbz#2225281