#!/usr/bin/env ruby

# load necessary modules
require 'tempfile'

# log path
LOG_PATH = ARGV[0] || 'ChangeLog'

# confirm commit?
CONFIRM = false

# open the ChangeLog
File::open(LOG_PATH) { |log| 
  # load and parse the changelog
  entries = log.readlines.join('').split(/^\*/)

  # get last message
  msg = '*' << entries[-1]

  # save message to temp file
  temp = Tempfile.new 'commit_message'
  temp.puts msg
  temp.close

  # confirm commit
  if CONFIRM
    puts msg
    puts 'Commit with the entry above? [Y/n]'
    exit -1 unless (gets =~ /y/i)
  end

  # commit changes
  system "cvs com -F #{temp.path}"
}