[MERGE] Implement diff --using natively

Aaron Bentley aaron.bentley at utoronto.ca
Fri Dec 28 03:50:06 GMT 2007


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Robert Collins wrote:
> bb:tweak
> 
> please add some failure case tests:
> 
> - missing tool

Okay

> - (possibly) tool does not accept options

How would you detect this?  Exit codes?  I don't know if there's enough
regularity for that.  For example, gvimdiff produces exit code 1 when
given bad options, but for diff, exit code 1 means "files are different".

> And:
> - your tests require diff, please add a requireFeature call for a Diff
> feature.

Really?  Which tests?

Aaron
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