Method: Hub::Commands#pull_request

Defined in:

lib/hub/commands.rb

#pull_request(args) ⇒ Object Also known as: e_note

$ hub pull-request $ hub pull-request “My humble contribution” $ hub pull-request github.com/rtomayko/tilt/issues/92

# File 'lib/hub/commands.rb', line 125

def pull_request(args)
  args.shift
  options = { }
  force = explicit_owner = false
  base_project = local_repo.main_project
  tracked_branch, head_project = remote_branch_and_project(method(:github_user))

  unless current_branch
    abort "Aborted: not currently on any branch."
  end

  unless base_project
    abort "Aborted: the origin remote doesn't point to a GitHub repository."
  end

  from_github_ref = lambda do |ref, context_project|
    if ref.index(':')
      owner, ref = ref.split(':', 2)
      project = github_project(context_project.name, owner)
    end
    [project || context_project, ref]
  end

  while arg = args.shift
    case arg
    when '-f'
      force = true
    when '-F', '--file'
      file = args.shift
      text = file == '-' ? $stdin.read : File.read(file)
      options[:title], options[:body] = read_msg(text)
    when '-m', '--message'
      text = args.shift
      options[:title], options[:body] = read_msg(text)
    when '-b'
      base_project, options[:base] = from_github_ref.call(args.shift, base_project)
    when '-h'
      head = args.shift
      explicit_owner = !!head.index(':')
      head_project, options[:head] = from_github_ref.call(head, head_project)
    when '-i'
      options[:issue] = args.shift
    when '-o', '--browse'
      open_with_browser = true
    else
      if url = resolve_github_url(arg) and url.project_path =~ /^issues\/(\d+)/
        options[:issue] = $1
        base_project = url.project
      elsif !options[:title] && arg.index('-') != 0
        options[:title] = arg
        warn "hub: Specifying pull request title without a flag is deprecated."
        warn "Please use one of `-m' or `-F' options."
      else
        abort "invalid argument: #{arg}"
      end
    end
  end

  if options[:issue]
    warn "Warning: Issue to pull request conversion is deprecated and might not work in the future."
  end

  options[:project] = base_project
  options[:base] ||= master_branch.short_name

  if options[:head].nil? && tracked_branch
    if !tracked_branch.remote?
      # The current branch is tracking another local branch. Pretend there is
      # no upstream configuration at all.
      tracked_branch = nil
    elsif base_project == head_project and tracked_branch.short_name == options[:base]
      $stderr.puts "Aborted: head branch is the same as base (#{options[:base].inspect})"
      warn "(use `-h <branch>` to specify an explicit pull request head)"
      abort
    end
  end
  options[:head] ||= (tracked_branch || current_branch).short_name

  remote_branch = "#{head_project.remote}/#{options[:head]}"
  options[:head] = "#{head_project.owner}:#{options[:head]}"

  if !force and tracked_branch and local_commits = rev_list(remote_branch, nil)
    $stderr.puts "Aborted: #{local_commits.split("\n").size} commits are not yet pushed to #{remote_branch}"
    warn "(use `-f` to force submit a pull request anyway)"
    abort
  end

  if args.noop?
    puts "Would request a pull to #{base_project.owner}:#{options[:base]} from #{options[:head]}"
    exit
  end

  unless options[:title] or options[:issue]
    base_branch = "#{base_project.remote}/#{options[:base]}"
    commits = rev_list(base_branch, remote_branch).to_s.split("\n")

    case commits.size
    when 0
      default_message = commit_summary = nil
    when 1
      format = '%s%n%+b'
      default_message = git_command "show -s --format='#{format}' #{commits.first}"
      commit_summary = nil
    else
      format = '%h (%aN, %ar)%n%w(78,3,3)%s%n%+b'
      default_message = nil
      commit_summary = git_command "log --no-color --format='%s' --cherry '%s...%s'" % [
        format,
        base_branch.to_s.gsub("'", "\\'"),
        remote_branch.to_s.gsub("'", "\\'")
      ]
    end

    options[:title], options[:body] = pullrequest_editmsg(commit_summary) { |msg, initial_message, cc|
      initial_message ||= default_message
      msg.puts initial_message if initial_message
      msg.puts ""
      msg.puts "#{cc} Requesting a pull to #{base_project.owner}:#{options[:base]} from #{options[:head]}"
      msg.puts "#{cc}"
      msg.puts "#{cc} Write a message for this pull request. The first block"
      msg.puts "#{cc} of text is the title and the rest is description."
    }
  end

  pull = api_client.create_pullrequest(options)

  args.push('-u') unless open_with_browser
  browse_command(args) do
    pull['html_url']
  end
rescue GitHubAPI::Exceptions
  response = $!.response
  display_api_exception("creating pull request", response)
  if 404 == response.status
    base_url = base_project.web_url.split('://', 2).last
    warn "Are you sure that #{base_url} exists?"
  end
  exit 1
else
  delete_editmsg
end