[PATCH] tests: add run-tests --changed option for running tests changed in revisions

[David Soria Parra]

Jordi Gutiérrez Hermoso <jordigh at octave.org> writes:

> # HG changeset patch
> # User Mads Kiilerich <madski at unity3d.com>
> # Date 1393549740 -3600
> #      Fri Feb 28 02:09:00 2014 +0100
> # Node ID 3d1d16b19e7dd5e96e242daed86512429bc1d3f6
> # Parent  f8e531a3a77cfe8aca930e60e66b5c25122a689e
> tests: add run-tests --changed option for running tests changed in revisions
>
> Convenient when polishing patches and changing details of how they change test
> output.
>
> This will probably break in weird ways for revsets with special quoting ... but
> it is good enough for run-tests.

I personally think this is not really needed. First we definately need
to escape the shell arguments properly and second I don't see much of a 
benefit of this compared a small shell script or an alias.