The git-update-ghpages script comes from https://github.com/rstacruz/git-update-ghpages. It is modified to fix syntax errors, as reported in this issue, and prevent failures when there's nothing to commit.
The git-update-ghpages script comes from https://github.com/rstacruz/git-update-ghpages. It is modified to fix syntax errors, as reported in this issue, and prevent failures when there's nothing to commit.