Sha256: 048d8804f02acad8fd3664151b65142591914e40ec635848731ed4db9b6d28cf
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Size: 1.46 KB
Versions: 32
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Stored size: 1.46 KB
Contents
#!/usr/bin/env ruby -w
# encoding: UTF-8
#
# = ActivitiesDB.rb -- PostRunner - Manage the data from your Garmin sport devices.
#
# Copyright (c) 2015 by Chris Schlaeger <cs@taskjuggler.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
module PostRunner
# BackUpFile is a specialized version of File that creates a copy on
class BackedUpFile < File
def BackedUpFile.open(filename, mode = 'r', *opt, &block)
# If the file is opened for writing we create a backup file.
create_backup_file(filename) if mode.include?('w') || mode.include?('a')
super
end
def BackedUpFile.write(filename, string)
create_backup_file(filename)
super
end
private
def BackedUpFile.create_backup_file(filename)
bak_file = filename + '.bak'
# Delete the backup file if it exists.
if File.exists?(bak_file)
begin
File.delete(bak_file)
rescue SystemCallError
Log.fatal "Cannote remove backup file '#{bak_file}': #{$!}"
end
end
# Rename the old file to <filename>.bak
if File.exists?(filename)
begin
File.rename(filename, bak_file)
rescue SystemCallError
Log.fatal "Cannot rename file '#{filename}' to '#{bak_file}': #{$!}"
end
end
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems