walk_log

in lib/grit/git-ruby/repository.rb [327:393]

• 51 lines of code
• 24 McCabe index (conditional complexity)

      def walk_log(sha, opts, total_size = 0)
        return [] if @already_searched[sha] 
        @already_searched[sha] = true

        array = []
        if (sha)
          o = get_raw_object_by_sha1(sha)
          if o.type == :tag
            commit_sha = get_object_by_sha1(sha).object
            c = get_object_by_sha1(commit_sha)
          else
            c = GitObject.from_raw(o)
          end

          return [] if c.type != :commit

          add_sha = true

          if opts[:since] && opts[:since].is_a?(Time) && (opts[:since] > c.committer.date)
            add_sha = false
          end
          if opts[:until] && opts[:until].is_a?(Time) && (opts[:until] < c.committer.date)
            add_sha = false
          end

          
          subarray = []

          if !c.parent.first && opts[:path_limiter]  
            add_sha = false
          end

          if (!opts[:max_count] || ((array.size + total_size) < opts[:max_count]))

            if !opts[:path_limiter]
              output = c.raw_log(sha)
              array << [sha, output, c.committer.date]
            end

            if (opts[:max_count] && (array.size + total_size) >= opts[:max_count])
              return array
            end

            c.parent.each do |psha|
              if psha && !files_changed?(c.tree, get_object_by_sha1(psha).tree,
                                        opts[:path_limiter])
                add_sha = false
              end
              subarray += walk_log(psha, opts, (array.size + total_size))
              next if opts[:first_parent]
            end

            if opts[:path_limiter] && add_sha
              output = c.raw_log(sha)
              array << [sha, output, c.committer.date]
            end

            if add_sha
              array += subarray
            end
          end

        end

        array
      end