Git post commit hook for JIRA.

git-jira-post-commit.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'jira4r'

$KCODE = 'u'

config = {}
log = {}

open("|git config --list | grep 'jira.*=*'").each_line do |line|
  config[$1] = $2 if line =~ /jira\.(\w+)=([^\s]+)/
end

if config.keys.size < 4
  puts "[ERROR] git-post-commit: JIRA Project config parameters are too few."
  exit(1)
end

open("|git log -1 HEAD") do |io|
  while (line = io.gets) != nil
    case io.lineno
    when 1
      log[:commit] = line.split(/\s/)[1]
    when 2
      log[:Author] = $1 if line.match(/Author:\s+(.+)/)
    when 3
      log[:Date] = $1 if line.match(/Date:\s+(.+)/)
    else
      line.strip!
      if io.lineno == 5 && line.match(/(#{config['project']}\-\d+)\s+\(([\.0-9]+)\)/)
        log[:ticket] = $1
        log[:time] = $2.to_f
      end
      (log[:message] ||= "") << line + $/ if line != ""
    end
  end
  log[:message] << "commit: #{log[:commit]}"
end

unless log[:ticket] || log[:time]
  puts "[ERROR] git-post-commit: JIRA ticket number or working time is not specified."
  exit(1)
end

begin
  hours = log[:time].floor
  minutes = (log[:time] % 1 * 60).floor
  start_date = Time.now - (hours * 60 * 60 + minutes * 60)
  time_spent = "#{hours}h #{minutes}m"
  
  jira = Jira4R::JiraTool.new(2, config['url'])
  logger = Logger.new(STDERR)
  logger.level = Logger::ERROR
  jira.logger = logger
  jira.login(config['user'], config['pass'])
  # - (RemoteWorklog) initialize(author = nil, comment = nil, created = nil, 
  #                              groupLevel = nil, id = nil, roleLevelId = nil,
  #                              startDate = nil, timeSpent = nil, timeSpentInSeconds = nil,
  #                              updateAuthor = nil, updated = nil) 
  worklog = Jira4R::V2::RemoteWorklog.new(nil, log[:message], nil,
                                          nil, nil, nil,
                                          start_date, time_spent)
  jira.call_driver("addWorklogAndAutoAdjustRemainingEstimate", log[:ticket], worklog)
rescue Exception => e
  puts "[ERROR] git-post-commit: #{e.message}"
  exit(1)
end