Class: GitPm::CommitsPerMonth

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

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ CommitsPerMonth

Returns a new instance of CommitsPerMonth.



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# File 'lib/git_pm/commits_per_month.rb', line 5

def initialize(options)
  @branch = options.shift || "master"
end

Instance Method Details

#run! ⇒ Object 



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# File 'lib/git_pm/commits_per_month.rb', line 9

def run!
  h = Hash.new
  linen = 0
  dategroup = Date.new
  `git log --pretty=format:%aD --shortstat #{@branch} | grep [a-zA-Z0-9]`.each do |line|
    if line =~ /\d\d:\d\d:\d\d/ then
      date = Date.parse(line)
      dategroup = Date.new(date.year, date.month, 1)
      if h[dategroup] then
        h[dategroup][:commits] += 1
      else
        h[dategroup] = Hash.new
        h[dategroup][:commits] = 1
      end
    else
      line =~ /([\d]+) files changed, ([\d]+) insertions\(\+\), ([\d]+) deletions\(-\)/
      h[dategroup][:insert] = (h[dategroup][:insert])? h[dategroup][:insert].to_i + $2.to_i : $2.to_i
      h[dategroup][:delete] = (h[dategroup][:delete])? h[dategroup][:delete].to_i + $3.to_i : $3.to_i
    end
  end

  CSV.open("/tmp/count.csv", "w") do |csv|
    h.sort.each do |date, value|
      csv << [ "#{date.month}/1/#{date.year}", value[:commits], value[:insert] + value[:delete] ]
    end
  end

  commits = Array.new
  h.each_pair do |date,value|
    commits.push( date.to_s )
    commits.push( value[:commits] )
  end

  graph = SVG::Graph::TimeSeries.new({
    :width => 640,
    :height => 480,
    :graph_title => "Commits/Month",
    :show_graph_title => true,
    :no_css => false,
    :key => false,
    :scale_x_integers => true,
    :scale_y_integers => true,
    :show_data_labels => false,
    :show_x_guidelines => true,
    :show_x_title => true,
    :x_title => "Months",
    :show_y_title => true,
    :y_title => "Commits",
    :y_title_text_direction => :bt,
    :stagger_x_labels => true,
    :x_label_format => "%m/%d/%y",
  })

  if commits.size < 2
    $stderr.puts "not enought data to generate the graph"
    return ""
  end
  graph.add_data({
    :data => commits,
    :title => 'commits',
  })

  graph.burn
end