X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=ruby%2Flib%2Fruby%2Fgems%2F1.8%2Fgems%2Factivesupport-2.3.5%2Flib%2Factive_support%2Fcore_ext%2Ffile%2Fatomic.rb;fp=ruby%2Flib%2Fruby%2Fgems%2F1.8%2Fgems%2Factivesupport-2.3.5%2Flib%2Factive_support%2Fcore_ext%2Ffile%2Fatomic.rb;h=0000000000000000000000000000000000000000;hb=05ad905dae7df28a0baeee7739c8aab3de34c138;hp=8cc5654a4bf3890b4cbce3d9c5ed29a32feaa6a1;hpb=5fcbb31f4376cf38bd1745445a60d75a3758e71c;p=redminele%2Fredminele.git diff --git a/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/file/atomic.rb b/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/file/atomic.rb deleted file mode 100644 index 8cc5654..0000000 --- a/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/file/atomic.rb +++ /dev/null @@ -1,46 +0,0 @@ -module ActiveSupport #:nodoc: - module CoreExtensions #:nodoc: - module File #:nodoc: - module Atomic - # Write to a file atomically. Useful for situations where you don't - # want other processes or threads to see half-written files. - # - # File.atomic_write("important.file") do |file| - # file.write("hello") - # end - # - # If your temp directory is not on the same filesystem as the file you're - # trying to write, you can provide a different temporary directory. - # - # File.atomic_write("/data/something.important", "/data/tmp") do |f| - # file.write("hello") - # end - def atomic_write(file_name, temp_dir = Dir.tmpdir) - require 'tempfile' unless defined?(Tempfile) - - temp_file = Tempfile.new(basename(file_name), temp_dir) - yield temp_file - temp_file.close - - begin - # Get original file permissions - old_stat = stat(file_name) - rescue Errno::ENOENT - # No old permissions, write a temp file to determine the defaults - check_name = join(dirname(file_name), ".permissions_check.#{Thread.current.object_id}.#{Process.pid}.#{rand(1000000)}") - open(check_name, "w") { } - old_stat = stat(check_name) - unlink(check_name) - end - - # Overwrite original file with temp file - rename(temp_file.path, file_name) - - # Set correct permissions on new file - chown(old_stat.uid, old_stat.gid, file_name) - chmod(old_stat.mode, file_name) - end - end - end - end -end