[OE-core] [PATCH] classes/sstate: Update output hash

[Richard Purdie]

On Tue, 2019-01-15 at 13:39 -0600, Joshua Watt wrote:
> Updates the output hash calculation for determining if tasks are
> equivalent. The new algorithm does the following based on feedback:
>  1) All files are printed in a single line tabular format
>  2) Prints the file type and mode in a user-friendly ls-like format
>  3) Includes the file owner and group (by name, not ID). These are
> only
>     included if the task is run under pseudo, since that is the only
>     time they can be consistently determined.
>  4) File size is included for regular files
> 
> Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
> ---
>  meta/classes/sstate.bbclass | 91 +++++++++++++++++++++++++++++++--
> ----
>  1 file changed, 76 insertions(+), 15 deletions(-)

I've not really looked at the code itself yet but could we turn this
into a function in lib/oe/sstate*.py somewhere please?

I'd really like to start getting some of the python code into strong
function libraries where it makes sense and this lends itself toa 
library function.

Cheers,

Richard