$ git clone -n https://src.fedoraproject.org/rpms/google-auth-httplib2.git /var/lib/mock/f45-build-12860-444/root/chroot_tmpdir/scmroot/google-auth-httplib2
Cloning into '/var/lib/mock/f45-build-12860-444/root/chroot_tmpdir/scmroot/google-auth-httplib2'...
$ git fetch origin d283243f8aa60c7e0d7faff5fbe934b96ef74ffb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-auth-httplib2
 * [new ref]         d283243f8aa60c7e0d7faff5fbe934b96ef74ffb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d283243 0.4.4