git repo update巡回くん

require 'pathname'
require 'logger'
require 'thread'
require 'open3'
 
class App
    def initialize args
        @logger = args[:logger] or raise "no logger"
        @ignore = args[:ignore] || []
    end

    def run base
        targets = Pathname.glob("#{base}/**/.git").sort
        threads = []
        targets.each do |dir|
            next if @ignore.any? {|i| i =~ dir.to_s }

            threads << Thread.new do |t|
                @logger.info("start update #{dir}")
                git_update dir.parent.realpath
                @logger.info("end update #{dir}")
            end
            sleep 1 # stop too many access to github.
        end

        threads.each {|th| th.join }
    end

    private

    def git_update dir
      git_cmd = "git --git-dir=#{dir}/.git"
      Open3.popen3 "#{git_cmd} remote update && #{git_cmd} config --get-regexp svn-remote > /dev/null && #{git_cmd} svn fetch" do |stdin, stdout, stderr|
        stdout.each_line do |line|
            @logger.info("#{dir}: #{line}")
        end
        stderr.each_line do |line|
            @logger.error("#{dir}: #{line}")
        end
      end
    end
end

def main
    app = App.new(:logger => Logger.new($stderr), :ignore => [ %r{ruby/(pathobserver|rubycocoa)} ])
    app.run Pathname(__FILE__).parent.realpath
end

main()