Class: GitData

Inherits:
Object
  • Object
show all
Defined in:
lib/git_pm/git_data.rb

Class Method Summary collapse

Class Method Details

.blame(head = "master", exclude = []) ⇒ Object 



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# File 'lib/git_pm/git_data.rb', line 20

def self.blame(head = "master", exclude = [])
  lines_by_author = {}

  wd = self.find_working_dir
  return lines_by_author if not wd

  Dir.chdir wd do
    git = GitPm::Git.new
    git.ls_tree({:r => true, :name_only => true}, head) do |stdout, stderr|
      stdout.each { |filename|
        parse = true
        exclude.each { |expat|
          len = expat.length
          if filename[0, len] == expat
            parse = false
            break
          end
        }
        next unless parse

        lines = 0
        committer = nil

        filename = filename[0,filename.length-1]
        add_to_current = false
        modified_by = {}
        git.blame({:incremental => true}, filename) { |stdout, stderr|
          stdout.each { |line|
            if line =~ /\w{40}\s(\d+)\s(\d+)\s(\d+)/
              source_line = $1
              result_line = $2
              lines = $3.to_i
              add_to_current = true
            elsif line =~ /^committer\s(.+)/
              committer = $1
              modified_by[committer] = true
              lines_by_author[committer] ||= {:lines => 0, :files => 0}
              lines_by_author[committer][:lines] += lines
              add_to_current = false
            elsif line =~ /^committer-mail\s\<(.+)\>/
              lines_by_author[committer][:email] = $1
            elsif line =~ /^filename/
              lines_by_author[committer][:lines] += lines if add_to_current
            end
          }
        }

        modified_by.each { |author, v|
          lines_by_author[author][:files] += 1
        }
      }
    end
  end

  lines_by_author
end

.find_working_dir ⇒ Object 



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# File 'lib/git_pm/git_data.rb', line 77

def self.find_working_dir
  wd = Dir.getwd
  loop do
    return File.expand_path(wd) if File.exist?(File.join(wd, ".git"))
    wd = File.join(wd, "..")
  end

  nil
end

.get_data(head = "master") ⇒ Object 



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# File 'lib/git_pm/git_data.rb', line 2

def self.get_data(head = "master")
  data = []

  git = GitPm::Git.new

  git.rev_list({:pretty => "format:name:%cn%nemail:%ce%ntimestamp:%ct", :no_merges => true}, head) do |stdout, stderr|
    stdout.each { |line|
      if line =~ /^commit/
        data << {}
      elsif line =~ /^(\w+):(.+)$/
        data.last[$1] = $2
      end
    }
  end

  data
end