git-review

#!/usr/bin/env ruby

def find_branches(name)
  `git branch -r|grep '/#{name.gsub("'", '')}'`.to_s.split("\n").map(&:strip)
end

def last_commit_url(branch)
  remote, name = branch.split('/')
  sha = `git log -n 1 #{branch}|head -n 1|awk '{print $2}'`.strip
  url = `git remote -v|grep #{remote}|grep '(push)'|awk '{print $2}'`.strip
  url = "https://github.com/#{$1}" if url =~ /git@github.com:(.*)\.git/
  "#{url}/commit/#{sha}/"
end

def open_in_browser(path)
  if RUBY_PLATFORM =~ /darwin/
    `open "#{path}"`
  else
    require "rubygems"
    require "launchy1"
    Launchy::Browser.run(path)
  end
rescue LoadError
  puts path
  warn "Sorry, you need to install launchy to open pages: `gem install launchy`"
end

if ARGV.size < 1
  puts "USAGE: git review PART_OF_BRANCH_NAME [INDEX]"
  exit 1
end
branch_name = ARGV[0]

branches = find_branches(branch_name)
index = ARGV[1].to_i
if branches.size > 1 && ARGV.size < 2
  puts "Multiple matching branches found:"
  branches.each_with_index do |branch, i|
    puts "%5i: %s" % [i+1, branch]
  end
  puts "Use git review '#{branch_name}' INDEX to choose one"
  exit 1
else
  branch = branches[index - 1]
end

open_in_browser(last_commit_url(branch))