Tei · November 20, 2010 03:03 · Nov 19, 2010
diff --git a/git_changlog b/git_changlog
@@ -0,0 +1,111 @@
+#!/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