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From:	"Steven Hartland" <killing AT multiplay DOT co DOT uk>
To:	"Cygwin List" <cygwin AT cygwin DOT com>
Subject:	Nasty permissions / pathing bug in perl on 1.7
Date:	Sun, 29 Nov 2009 18:43:49 -0000
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Just been chasing my tail for hours trying to figure out why the permissions
on a file weren't being set even though no error was being thrown.

It turns out that giving a dos like path to chmod in perl under 1.7
although doesn't error it doesn't do anything either.

Here's my little test case:
[script]
#!/usr/bin/perl -w
use strict;

unlink '/tmp/test.exe';

print `touch /tmp/test.exe; ls -l /tmp/test.exe`;

if ( ! chmod 0777, 'C:/cygwin/tmp/test.exe' )
{
        print STDERR "Failed to chmod ($!)\n";
        exit 1;
}

print `ls -l /tmp/test.exe`;

if ( ! chmod 0777, '/tmp/test.exe' )
{
        print STDERR "Failed to chmod ($!)\n";
        exit 1;
}
print `ls -l /tmp/test.exe`;
[/script]

The output of this here is:
./t.pl 
-rw-r--r-- 1 root None 0 Nov 29 18:41 /tmp/test.exe
-rw-r--r-- 1 root None 0 Nov 29 18:41 /tmp/test.exe
-rwxrwxrwx 1 root None 0 Nov 29 18:41 /tmp/test.exe

As you can see after the first chmod using a dos like path no error is
generated but the operation silently fails.

This is using 1.7 from about a month back, so would be good if someone with
a current version could test to see if this is still an issue as its very
nasty imo.

CYGWIN_NT-6.1-WOW64 blade23 1.7.0(0.212/5/3) 2009-09-11 01:25 i686 Cygwin

    Regards
    Steve


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