commit

in lib/grit/index.rb [102:154]

• 43 lines of code
• 12 McCabe index (conditional complexity)

    def commit(message, parents = nil, actor = nil, last_tree = nil, head = 'master')
      commit_tree_sha = nil
      if parents.is_a?(Hash)
        commit_tree_sha = parents[:commit_tree_sha]
        actor          = parents[:actor]
        committer      = parents[:committer]
        author         = parents[:author]
        last_tree      = parents[:last_tree]
        head           = parents[:head]
        committed_date = parents[:committed_date]
        authored_date  = parents[:authored_date]
        parents        = parents[:parents]
      end

      committer ||= actor
      author    ||= committer

      if commit_tree_sha
        tree_sha1 = commit_tree_sha
      else
        tree_sha1 = write_tree(self.tree, self.current_tree)
      end

      
      return false if tree_sha1 == last_tree

      contents = []
      contents << ['tree', tree_sha1].join(' ')
      parents.each do |p|
        contents << ['parent', p].join(' ')
      end if parents

      committer      ||= begin
        config = Config.new(self.repo)
        Actor.new(config['user.name'], config['user.email'])
      end
      author         ||= committer
      committed_date ||= Time.now
      authored_date  ||= committed_date

      contents << ['author',    author.output(authored_date)].join(' ')
      contents << ['committer', committer.output(committed_date)].join(' ')
      contents << ''
      contents << message

      contents = contents.join("\n")
      @last_commit_size = contents.size
      commit_sha1 = self.repo.git.put_raw_object(contents, 'commit')

      self.repo.update_ref(head, commit_sha1) if head
      commit_sha1
    end