yehuda-katzs-macbook-pro-2:merb wycats$ git push -f origin 1.0.x
error: refs/heads/1.0.x does not point to a valid object!
Counting objects: 52, done.
Compressing objects: 100% (29/29), done.
Writing objects: 100% (29/29), 2.73 KiB, done.
Total 29 (delta 20), reused 0 (delta 0)
error: Ref refs/heads/1.0.x is at 8fd8db9254c02f9f3359cd796589171ccd0f3e9c but expected 0000000000000000000000000000000000000000
error: failed to lock refs/heads/1.0.x
To git@github.com:wycats/merb.git
 ! [remote rejected] 1.0.x -> 1.0.x (failed to lock)
error: failed to push some refs to 'git@github.com:wycats/merb.git'