$ git clone -n https://src.fedoraproject.org/rpms/golang-google-appengine.git /var/lib/mock/f33-build-578337-66173/root/chroot_tmpdir/scmroot/golang-google-appengine
Cloning into '/var/lib/mock/f33-build-578337-66173/root/chroot_tmpdir/scmroot/golang-google-appengine'...
$ git reset --hard 31ce0a9c728a3244480d87ef428940420437f76f
HEAD is now at 31ce0a9 Update to 1.6.7 Close: rhbz#1888074