rosa-build/app/controllers/projects/git/commits_controller.rb

# -*- encoding : utf-8 -*-
class Projects::Git::CommitsController < Projects::Git::BaseController
  def index
    if @path.present?
      @commits = @project.repo.log(@treeish, @path)
    else
      @commits, @page, @last_page = @project.paginate_commits(@treeish, :page => params[:page])
    end
  end

  def show
    @commit = @commentable = @project.repo.commit(params[:id]) || raise(ActiveRecord::RecordNotFound)
    @comments = Comment.for_commit(@commit)

    respond_to do |format|
      format.html
      format.diff  { render :text => (@commit.diffs.map(&:diff).join("\n") rescue ''), :content_type => "text/plain" }
      format.patch { render :text => (@commit.to_patch rescue ''), :content_type => "text/plain" }
    end
  end

  def diff
    if params[:commit2].present?
      params1 = params[:commit1]
      params2 = params[:commit2] == 'HEAD' ? @project.default_branch : params[:commit2]
    else # get only one parameter
      params1 = @project.default_branch
      params2 = params[:commit1]
    end
    params1.sub! 'HEAD', @project.default_branch
    params2.sub! 'HEAD', @project.default_branch

    ref1 = if @project.repo.branches_and_tags.include? params1
             @project.repo.commits(params1).first
           else
             params1 #FIXME git has other ref?
           end
    @commit1 = @project.repo.commit(ref1) || raise(ActiveRecord::RecordNotFound)

    ref = if @project.repo.branches_and_tags.include? params2
            @project.repo.commits(params2).first
          else
            params2 #FIXME git has other ref?
          end
    @commit = @project.repo.commit(ref) || raise(ActiveRecord::RecordNotFound)
    @common_ancestor = @project.repo.commit(@project.repo.git.merge_base({}, @commit1, @commit)) || @commit1
  end
end