go get github.com/motemen/hub-pr

Usage: hub-pr <command> [<args>]

Commands:
    browse      Open pull request page with browser
    diff        Show pull request's diff
    checkout    Checkout a branch for a pull request
    list        List pull requests
    merge       Merge a branch of a pull request

Will do below:

• Add a remote pointing forked repository with the name of the pull request author

• Check out a new branch tracking pull request’s head branch named #<PR number>-<author>/<ref>, e.g. #23-motemen/fix.

• Stores the pull request number as branch.<branch>.prNumber into local configuration for later reference.

Will invoke a normal git-merge with a commit message same as what will used when hitting the Merge Button on the GitHub web. The branch must be checked out with hub-pr checkout.

Runs "git diff" between the base and head of the Pull Reuqest corresponding current branch.