$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-container.git /var/lib/mock/f38-build-side-42-init-devel-1017600-29602/root/chroot_tmpdir/scmroot/python-google-cloud-container
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1017600-29602/root/chroot_tmpdir/scmroot/python-google-cloud-container'...
$ git fetch origin e35322cd9e2b9c3e390dfe77aaf2d398d17a8d8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-container
 * [new ref]         e35322cd9e2b9c3e390dfe77aaf2d398d17a8d8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e35322c Update to 2.18.0 rhbz#2182802