From: Daniel Berger <Daniel.Berger@...>
Date: 2007-03-23T02:33:16+09:00
Subject: Re: [ ruby-Bugs-9470 ] TempFile fails to delete the file if inside a Dir.chdir block

noreply@rubyforge.org wrote:
> Bugs item #9470, was opened at 2007-03-22 16:28
> You can respond by visiting: 
> http://rubyforge.org/tracker/?func=detail&atid=1698&aid=9470&group_id=426
> 
> Category: Standard Library
> Group: 1.8.5
> Status: Open
> Resolution: None
> Priority: 3
> Submitted By: Niko Vuokko (vulpes)
> Assigned to: Nobody (None)
> Summary: TempFile fails to delete the file if inside a Dir.chdir block
> 
> Initial Comment:
> Latest Cygwin with Ruby 1.8.5-3 on Win XP Pro SP 2.
> 
> TempFile fails to delete the temporary file it creates, if working inside a Dir.chdir block:
> 
> # Doesn't work
> 
> Dir.chdir("./dir") do
>    Tempfile.open("johndoe", ".") {}
> end
> 
> 
> # These work fine
> 
> Tempfile.open("./dir/johndoe", ".") {}
> 
> Tempfile.open("dir/johndoe", ".") {}
> 
> Tempfile.open("johndoe", "dir") {}

I haven't thoroughly tested it, but I think this patch will do the trick:

--- tempfile.orig       Sun Jun 11 08:27:38 2006
+++ tempfile.rb Thu Mar 22 11:22:58 2007
@@ -24,6 +24,8 @@
    def initialize(basename, tmpdir=Dir::tmpdir)
      if $SAFE > 0 and tmpdir.tainted?
        tmpdir = '/tmp'
+    else
+      tmpdir = File.expand_path(tmpdir)
      end

      lock = nil