[Piglit] [Patch v2] framework: Update results to use versioned numbers

[Dylan Baker]

Ilia, I've tested this with your use case, does seem reasonable?

On Thursday, June 05, 2014 04:33:00 PM Dylan Baker wrote:
> This patch updates our json to version 1. Changes from version 0 to
> version 1 are as follows:
> 
> - renamed 'main' to 'results.json'
> - dmesg must be a string (It was stored a list in some version 0
>   results)
> - subtests are never stored as duplicate entries, a single instance of
>   the test is recorded, (In version 0 both are possible)
> - there is no info entry in version 1, err, out, and returncode are
>   always split into seperate entries
> 
> This patch adds support to the results module for handling updates to
> the results in a sane way. It does this by adding a result_version
> attribute to the TestrunResult (which is stored as json), and
> implementing the ability to incrementally update results between
> versions.
> 
> It does this automatically on load, non-destructively, moving the old
> results to results.json.old, but does write the updated results to disk,
> making the cost of this update a one time cost.
> 
> v2: - Handle non-writable directories and files, this also fixes using
>       file-descriptors as inputs
> 
> Signed-off-by: Dylan Baker <baker.dylan.c at gmail.com>
> ---

[snip]
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