From: Eric Sunshine <sunshine@sunshineco.com>
Date: Sun, 24 Mar 2013 02:49:17 GMT
Subject: Re: [RFC] test-lib.sh: No POSIXPERM for cygwin
Message-ID: <CAPig+cR0HdQq4P=MWg7xkFLMzNimitty_Bj7mVx+w3eoi9bZ3g@mail.gmail.com>
In-Reply-To: <201303231340.29687.tboegi@web.de>

On Sat, Mar 23, 2013 at 8:40 AM, Torsten Bögershausen <tboegi@web.de> wrote:
> Subject: [PATCH] Make core.sharedRepository work under cygwin 1.7
>
> When core.sharedRepository is used, set_shared_perm() in path.c
> needs lstat() to return the correct POSIX permissions.
>
> The default for cygwin is core.ignoreCygwinFSTricks = false, which
> means that the fast implementation in do_stat() is used instead of lstat().
>
> lstat() under cygwin uses the Windows security model to implement
> POSIX-like permissions.
> The user, group or everyone bits can be set individually.
>
> do_stat() simplifes the file permission bits, and may return a wrong value:
> The read-only attribute of a file is used to calculate
> the permissions, resulting in either rw-r--r-- or r--r--r--
>
> One effect of the simplified do_stat() is that t1301 failes.

s/failes/fails/

> Add a function cygwin_get_st_mode_bits() which returns the POSIX permissions.
> When not compiling for cygwin, true_mode_bits() in path.c is used.