chrisgaunt/git_changlog

## git_changlog
#!/usr/bin/env ruby

SPECIAL_TOKEN = 'SpecialTokenForSearch'
WITHOUT_MERGES = "--no-merges"
GIT_COMMIT_LINK="https://github.com/some_projects/commit/:commit"

cmd = `git show-ref --tags`
tags = []
cmd.each do |l|
  tag_commit, tag_name = l.chomp.split(" ")
  tags << {:name => tag_name.sub("refs/tags/", ""), :commit => tag_commit}
end

tags.each do |tag|
  cmd = `git show --pretty='format:#{SPECIAL_TOKEN}|%H|%d|%cD|%ci|%ct|%an|%ae' --no-notes #{tag[:name]}`
  line = nil
  cmd.each do |l|
    if l.match(/^#{SPECIAL_TOKEN}/)
      line = l.chomp
      break
    end
  end
  if line
    line_array = line.split("|")
    tag[:date] = line_array[4]
    tag[:unix_date] = line_array[5]
    tag[:username] = line_array[6]
    tag[:email] = line_array[7]
  end
end

tags = tags.sort{|a,b| a[:unix_date] <=> b[:unix_date]}.reverse

changelog_array = []

before_tag = nil
tags.each do |tag|
  if before_tag
    temp_data = {}
    temp_data[:tag] = before_tag
    cmd = `git log #{WITHOUT_MERGES} --date=short --pretty='%H|%h|%cr|%cn|%cd|%ci|%an|%ae|%s' #{tag[:commit]}..#{before_tag[:commit]}`
    temp_data[:commits] = []
    cmd.each do |l|
      line_array = l.chomp.split("|")
      temp_data[:commits] << {:username => line_array[3],
        :email => line_array[7], :comment => line_array[8],
        :date_ago => line_array[2], :commit => line_array[0],
        :date => line_array[7]}
    end
    changelog_array << temp_data
  end
  before_tag = tag
end

output_type = ARGV[0]
out_types = ['plain', 'html']


if output_type.nil? || output_type == 'plain' || (output_type && !out_types.include?(output_type))

  File.open('CHANGELOG', 'w+') do |fl|
      changelog_array.each do |changelog|
      fl.puts "#{changelog[:tag][:name]}"
      fl.puts "#{changelog[:tag][:date]} - #{changelog[:tag][:username]} <#{changelog[:tag][:email]}>"
      fl.puts ""
      changelog[:commits].each do |commit|
        fl.puts "  * #{commit[:username]} <#{commit[:email]}>: #{commit[:comment]} (#{commit[:date]}, commit: #{commit[:commit]})"
      end
      fl.puts ""
      fl.puts ""
    end
    fl.puts "Date of generation: #{Time.now}"
  end

elsif output_type == 'html'

REDMINE_LINK = "http://redmine.adility.com/issues/:num"

  File.open('CHANGELOG.html', 'w+') do |fl|
    fl.puts '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title>CHANGELOG</title></head><body>'

    changelog_array.each do |changelog|
      fl.puts "<h2>#{changelog[:tag][:name]}</h2>"
      fl.puts "<p>#{changelog[:tag][:date]} - #{changelog[:tag][:username]} <#{changelog[:tag][:email]}></p>"
      fl.puts "<br />"
      fl.puts "<ul>"
      changelog[:commits].each do |commit|
        redmine_links = []
        commit_link = GIT_COMMIT_LINK.gsub(":commit", commit[:commit])
        redmine_id = commit[:comment].scan(/\#(\d+)/i).flatten
        unless redmine_id.nil?
          redmine_id.each do |id|
            redmine_links << {:id => id, :link => REDMINE_LINK.gsub(":num", id)}
          end
        end
        fl.puts "<li>#{commit[:username]} <#{commit[:email]}>: #{commit[:comment]} ("
        if redmine_links.size > 0
          redmine_links.each do |redmine_link|
            fl.puts "Redmine ticket: <a href='#{redmine_link[:link]}' target='_blank'>#{redmine_link[:id]}</a>, "
          end
        end
        fl.puts "#{commit[:date]}, commit: <a href='#{commit_link}' target='_blank'>#{commit[:commit]}</a>)"
      end
      fl.puts "</ul>"
      fl.puts "<br />"
      fl.puts "<br />"
    end
    fl.puts "<p style='color:#333;'>Date of generation: #{Time.now}</p>"
  end

end
	#!/usr/bin/env ruby

	SPECIAL_TOKEN = 'SpecialTokenForSearch'
	WITHOUT_MERGES = "--no-merges"
	GIT_COMMIT_LINK="https://github.com/some_projects/commit/:commit"

	cmd = `git show-ref --tags`
	tags = []
	cmd.each do \|l\|
	tag_commit, tag_name = l.chomp.split(" ")
	tags << {:name => tag_name.sub("refs/tags/", ""), :commit => tag_commit}
	end

	tags.each do \|tag\|
	cmd = `git show --pretty='format:#{SPECIAL_TOKEN}\|%H\|%d\|%cD\|%ci\|%ct\|%an\|%ae' --no-notes #{tag[:name]}`
	line = nil
	cmd.each do \|l\|
	if l.match(/^#{SPECIAL_TOKEN}/)
	line = l.chomp
	break
	end
	end
	if line
	line_array = line.split("\|")
	tag[:date] = line_array[4]
	tag[:unix_date] = line_array[5]
	tag[:username] = line_array[6]
	tag[:email] = line_array[7]
	end
	end

	tags = tags.sort{\|a,b\| a[:unix_date] <=> b[:unix_date]}.reverse

	changelog_array = []

	before_tag = nil
	tags.each do \|tag\|
	if before_tag
	temp_data = {}
	temp_data[:tag] = before_tag
	cmd = `git log #{WITHOUT_MERGES} --date=short --pretty='%H\|%h\|%cr\|%cn\|%cd\|%ci\|%an\|%ae\|%s' #{tag[:commit]}..#{before_tag[:commit]}`
	temp_data[:commits] = []
	cmd.each do \|l\|
	line_array = l.chomp.split("\|")
	temp_data[:commits] << {:username => line_array[3],
	:email => line_array[7], :comment => line_array[8],
	:date_ago => line_array[2], :commit => line_array[0],
	:date => line_array[7]}
	end
	changelog_array << temp_data
	end
	before_tag = tag
	end

	output_type = ARGV[0]
	out_types = ['plain', 'html']


	if output_type.nil? \|\| output_type == 'plain' \|\| (output_type && !out_types.include?(output_type))

	File.open('CHANGELOG', 'w+') do \|fl\|
	changelog_array.each do \|changelog\|
	fl.puts "#{changelog[:tag][:name]}"
	fl.puts "#{changelog[:tag][:date]} - #{changelog[:tag][:username]} <#{changelog[:tag][:email]}>"
	fl.puts ""
	changelog[:commits].each do \|commit\|
	fl.puts " * #{commit[:username]} <#{commit[:email]}>: #{commit[:comment]} (#{commit[:date]}, commit: #{commit[:commit]})"
	end
	fl.puts ""
	fl.puts ""
	end
	fl.puts "Date of generation: #{Time.now}"
	end

	elsif output_type == 'html'

	REDMINE_LINK = "http://redmine.adility.com/issues/:num"

	File.open('CHANGELOG.html', 'w+') do \|fl\|
	fl.puts '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title>CHANGELOG</title></head><body>'

	changelog_array.each do \|changelog\|
	fl.puts "<h2>#{changelog[:tag][:name]}</h2>"
	fl.puts "<p>#{changelog[:tag][:date]} - #{changelog[:tag][:username]} <#{changelog[:tag][:email]}></p>"
	fl.puts "<br />"
	fl.puts "<ul>"
	changelog[:commits].each do \|commit\|
	redmine_links = []
	commit_link = GIT_COMMIT_LINK.gsub(":commit", commit[:commit])
	redmine_id = commit[:comment].scan(/\#(\d+)/i).flatten
	unless redmine_id.nil?
	redmine_id.each do \|id\|
	redmine_links << {:id => id, :link => REDMINE_LINK.gsub(":num", id)}
	end
	end
	fl.puts "<li>#{commit[:username]} <#{commit[:email]}>: #{commit[:comment]} ("
	if redmine_links.size > 0
	redmine_links.each do \|redmine_link\|
	fl.puts "Redmine ticket: <a href='#{redmine_link[:link]}' target='_blank'>#{redmine_link[:id]}</a>, "
	end
	end
	fl.puts "#{commit[:date]}, commit: <a href='#{commit_link}' target='_blank'>#{commit[:commit]}</a>)"
	end
	fl.puts "</ul>"
	fl.puts "<br />"
	fl.puts "<br />"
	end
	fl.puts "<p style='color:#333;'>Date of generation: #{Time.now}</p>"
	end

	end