Send email after commit; a hook script of Subversion

commit-email.rb

#!/usr/bin/ruby -Ku
# -*- coding: utf-8 -*-

# commit-email.rb for Ruby 1.9/1.8
# http://d.hatena.ne.jp/takehikom/20121111/1352572653

require "rubygems"
require "mail-iso-2022-jp" # gem install mail-iso-2022-jp
require "kconv"

class String
  def toutf8byline
    result = ""
    each_line do |line|
      result += line.toutf8
    end
    result
  end
end

REPOS = ARGV[0]
REV = ARGV[1].to_i

svnauthor  = %x{svnlook author #{REPOS} -r #{REV}}.chomp
svndate    = %x{svnlook date #{REPOS} -r #{REV}}.chomp
svnchanged = %x{svnlook changed #{REPOS} -r #{REV}}.chomp
svnlog     = %x{svnlook log #{REPOS} -r #{REV}}.toutf8byline.chomp
svndiff    = %x{svnlook diff #{REPOS} -r #{REV}}.toutf8byline.chomp

difsiz = 1000
if svndiff.length > difsiz
  tmp = ""
  svndiff.each_line do |line|
    if tmp.length + line.length > difsiz
      tmp += "(snip)"
      break
    end
    tmp += line
  end
  svndiff = tmp
end

server    = "server.server.server.jp"
to_addr   = "address@address.address.jp"
from_addr = "root@#{server}"

mail_body = <<END_OF_BODY
Subversion committed to #{REPOS} #{REV}
Updated by #{svnauthor}
Modified #{svndate}

Log:
--------------------------------------------------------
#{svnlog}

Changed:                    [U:UPDATE A:APPEND D:DELETE]
--------------------------------------------------------
#{svnchanged}

Diff:
--------------------------------------------------------
#{svndiff}

END_OF_BODY

mail_subject = "[mSvn: #{REV}] Commit"
if !svnauthor.empty?
  mail_subject += " by #{svnauthor}"
end

mail = Mail.new(:charset => "ISO-2022-JP") do
  from from_addr
  to to_addr
  subject mail_subject
  body mail_body
end

# puts mail

# mail.delivery_method :sendmail
mail.deliver!