danfinnie/git-history.html.erb

## git-history.html.erb
<html>
  <head>
    <!--Load the AJAX API-->
    <script type="text/javascript" src="https://www.google.com/jsapi"></script>
    <script type="text/javascript">

      // Load the Visualization API and the piechart package.
      google.load('visualization', '1.0', {'packages':['corechart']});

      // Set a callback to run when the Google Visualization API is loaded.
      google.setOnLoadCallback(drawChart);

      // Callback that creates and populates a data table,
      // instantiates the pie chart, passes in the data and
      // draws it.
      function drawChart() {

        // Create the data table.
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Command');
        data.addColumn('number', 'Invocations');
        data.addRows(<%= data %>);

        // Set chart options
        var options = {'title':'The Git Commands I Use',
          height: '800'
        }

        // Instantiate and draw our chart, passing in some options.
        var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
        chart.draw(data, options);
      }
    </script>
  </head>

  <body>
    <!--Div that will hold the pie chart-->
    <div id="chart_div"></div>
  </body>
</html>

## git-history.rb
#! /usr/bin/env ruby

require 'pp'
require 'erb'

data = Hash.new { |h, k| h[k] = 0 }

# Given a git list of arguments and command and options, extract the command.
# Examples:
# "commit --amend" --> "commit"
# '--work-tree="~/.git" gc --aggressive' --> "gc"
def extract_command str
  match = str.prepend(" ").match(/(?<=\s)[a-zA-Z]+/)
	return match ? match[0].downcase : nil
end

# File.expand_path will convert the tilde to the home directory.
File.open(File.expand_path('~/.bash_history'), 'r') do |f|
	f.each_line do |line|
		if line =~ /^git\s+(.*)/
			cmd = extract_command($1)
			data[cmd] += 1 if cmd
		end
	end
end

# Convert aliases
`git config --list`.each_line do |line|
	if line =~ /^alias\.([^=]+)=(\S+)/
		# Hash#delete does not respect the constructor that
		# we passed at the start.
		aliased_cmd = extract_command($2)
		shortcut_cmd = $1.downcase
		data[aliased_cmd] += data.delete(shortcut_cmd) if data.has_key? shortcut_cmd
	end
end

data = data.to_a
template = ERB.new(File.open('git-history.html.erb').read)
output = template.result

File.open("git-history.html", "w+") do |f|
	f.puts output
end

pp data
	<html>
	<head>
	<!--Load the AJAX API-->
	<script type="text/javascript" src="https://www.google.com/jsapi"></script>
	<script type="text/javascript">

	// Load the Visualization API and the piechart package.
	google.load('visualization', '1.0', {'packages':['corechart']});

	// Set a callback to run when the Google Visualization API is loaded.
	google.setOnLoadCallback(drawChart);

	// Callback that creates and populates a data table,
	// instantiates the pie chart, passes in the data and
	// draws it.
	function drawChart() {

	// Create the data table.
	var data = new google.visualization.DataTable();
	data.addColumn('string', 'Command');
	data.addColumn('number', 'Invocations');
	data.addRows(<%= data %>);

	// Set chart options
	var options = {'title':'The Git Commands I Use',
	height: '800'
	}

	// Instantiate and draw our chart, passing in some options.
	var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
	chart.draw(data, options);
	}
	</script>
	</head>

	<body>
	<!--Div that will hold the pie chart-->
	<div id="chart_div"></div>
	</body>
	</html>
	#! /usr/bin/env ruby

	require 'pp'
	require 'erb'

	data = Hash.new { \|h, k\| h[k] = 0 }

	# Given a git list of arguments and command and options, extract the command.
	# Examples:
	# "commit --amend" --> "commit"
	# '--work-tree="~/.git" gc --aggressive' --> "gc"
	def extract_command str
	match = str.prepend(" ").match(/(?<=\s)[a-zA-Z]+/)
	return match ? match[0].downcase : nil
	end

	# File.expand_path will convert the tilde to the home directory.
	File.open(File.expand_path('~/.bash_history'), 'r') do \|f\|
	f.each_line do \|line\|
	if line =~ /^git\s+(.*)/
	cmd = extract_command($1)
	data[cmd] += 1 if cmd
	end
	end
	end

	# Convert aliases
	`git config --list`.each_line do \|line\|
	if line =~ /^alias\.([^=]+)=(\S+)/
	# Hash#delete does not respect the constructor that
	# we passed at the start.
	aliased_cmd = extract_command($2)
	shortcut_cmd = $1.downcase
	data[aliased_cmd] += data.delete(shortcut_cmd) if data.has_key? shortcut_cmd
	end
	end

	data = data.to_a
	template = ERB.new(File.open('git-history.html.erb').read)
	output = template.result

	File.open("git-history.html", "w+") do \|f\|
	f.puts output
	end

	pp data