(cd four.one &&
git config remote.origin.fetch +refs/heads/*:refs/heads/origin/* &&
git remote rename origin upstream &&
- test "$(git config remote.upstream.fetch)" = "+refs/heads/*:refs/heads/origin/*")
+ test "$(git config remote.upstream.fetch)" = "+refs/heads/*:refs/heads/origin/*" &&
+ git rev-parse -q origin/master)
'