[Toybox] How do I tell cyanogenmod they're wrong?

[David Seikel]

On Sun, 29 May 2016 22:33:32 -0500 Rob Landley <rob at landley.net> wrote:

> Browsing through the cyanogenmod repository. Since they never
> submitted patches to me I'm not going to copy their stuff verbatim
> (technically it could be under a different license), but I'd like to
> address their issues in mainline (modulo the pending stuff), and I
> get to this:
> 
>   http://review.cyanogenmod.org/#/c/131295/
> 
> commit b90823e298988ff365cdf8e6d7c17687c3897d55
> Author: Scott Mertz <scott at cyngn.com>
> Date:   Tue Feb 2 14:40:31 2016 -0800
> 
>     Don't exit with failure code when cp ownership preservation fails
>     
>     POSIX spec states that it is unspecified whether '-p' prints
> errors to stderr when preserving ownership fails. GNU coreutils
> implementation does not write anything to stderr when this fails.
> Additionally, '-a' is only specified in GNU coreutils & specifies
> nothing is to be written to stderr in the case of failure. Switch the
>     implementation to align with GNU coreutils while still satisfying
>     POSIX.
>     
>     OPO-358
>     Change-Id: Ibb7c94fbf553a178b3f88a724ef6f737275a4205
> 
> I tried to pull up the OPO-358 thing to see what the original bug
> report was, but it requires a login to view it:
> 
>   https://jira.cyngn.com/browse/OPO-358
> 
> So I tested it myself, and they're _wrong_:
> 
>   dd if=/dev/zero of=vfat.img bs=1M count=1
>   mkfs.vfat vfat.img
>   mkdir vfat
>   sudo /bin/bash
>   toybox mount vfat.img vfat
> 
> And then when I go:
> 
> # cp -a todo vfat/
> cp: failed to preserve ownership for ‘vfat/todo/attachment.bin.4’:
> Operation not permitted cp: failed to preserve ownership for
> ‘vfat/todo/attachment-0002.bin’: Operation not permitted cp: failed
> to preserve ownership for ‘vfat/todo/netstat.patch’: Operation not
> permitted cp: failed to preserve ownership for
> ‘vfat/todo/githash.patch’: Operation not permitted cp: failed to
> preserve ownership for ‘vfat/todo/expr.patch’: Operation not
> permitted ...
> 
> The stock ubuntu 14.04 vesion is giving warnings about
> inability to preserve ownership...?

Is that like throwing an error when trying to delete a non existent
file?  The end result is what you want, it's only complaining coz it
can't do that, not that what you want done is already done.

-- 
A big old stinking pile of genius that no one wants
coz there are too many silver coated monkeys in the world.
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