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#!/usr/bin/env ruby
# Copyright (C) 2009 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
require 'date'
CHANGELOG_SIZE_THRESHOLD = 750 * 1024
scripts_directory = File.dirname(__FILE__)
base_directory = File.expand_path(ARGV[0] || `perl -I#{scripts_directory} -Mwebkitdirs -e 'print sourceDir();'`)
date_suffix = Date.today.strftime("-%Y-%m-%d")
Dir.chdir base_directory
`find . -type f -name 'ChangeLog'`.split.each do |path|
next unless File.stat(path).size > CHANGELOG_SIZE_THRESHOLD
old_path = "#{path}#{date_suffix}"
puts "Moving #{path} to #{old_path}..."
system "git", "mv", path, old_path
File.open path, "w" do |file|
file.write "== Rolled over to ChangeLog#{date_suffix} ==\n"
end
system "git", "add", path
end
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