Re: [PATCH] Wait for git diff to finish in git difftool

> Junio C Hamano, Thu, Apr 23, 2009 16:51:28 +0200:
> > For example, I do not think conversion from Perl exec() to Perl system()
> > is worsening the code in any way in difftool.  Sure, it won't *improve*
> > things for general majority of people, but as long as it does not hurt
> > people (that includes me and others who pay maintenance cost), I do not
> > think we should just bury the patch in archive or in your laptop.
> 
> Isn't it clearly marked in the archives with the keywords most often
> associated with the platform? (they may seem a little... unprintable)
> 
> Still, you are, as usual, right. Especially regarding this particular case.
> 
> I'll add this comment regarding use of system in the case where exec
> is right choice on all accounts and resend the patch:
> 
>     # ActiveState Perl for Win32 does not implement POSIX semantics of
>     # exec* system call. It just spawns the given executable and finishes
>     # the starting program, exiting with code 0.
>     # system will at least catch the errors in returned by git diff,
>     # allowing the caller of git difftool better handling of failures.