[OE-core] [RFC PATCH 0/3] Shared state for all !

[Chris Larson]

On Wed, May 9, 2012 at 5:22 PM, Joshua Lock <josh at linux.intel.com> wrote:
> In Yocto #2041[2]  Mark reported an issue with reusing shared state as a
> different user on the same machine.
>
> Since the whole purpose of shared state is that it be shared I decided to dig
> into this issue. I wanted to at least be able to use the shared-state cache of
> a different user without error, even if all of the objects aren't actually used
> (i.e. native, at least on the Edison branch I did most of the testing with).
>
> This is an RFC mainly because it changes the permissions of created directories,
> sstate files and siginfo files from what they have traditionally been.
>
> There is more of the rhyme an reason in the patch commit headers and comments
> but tl;dr bb.mkdirhier directories will be 0777 (rwxrwxrwx) with this patch, as
> will all of the contents of sstate-cache (siginfo and tgz) files.
>
> This is actually what one would expect from reading the Python API docs for
> os.makedirs "The default mode is 0777 (octal)."[1] but not what actually happens
> on most modern Linux systems thanks to umask.
>
> Please review the following changes for suitability for inclusion. If you have
> any objections or suggestions for improvement, please respond to the patches. If
> you agree with the changes, please provide your Acked-by.

777 seems questionable to me, personally. Generally collaboration
happens amongst folks within a group, and chmod g+s makes that easier.
I'd expect 775 to be a more sane value, myself.
-- 
Christopher Larson