Re: [PATCH 9/9 v8] difftool: print list of valid tools with '--tool-help'

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On Wed, Mar 28, 2012 at 2:58 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Tim Henigan <tim.henigan@xxxxxxxxx> writes:
>
> OK, but doesn't File::Find recurse into its subdirectories?  If you create
> a 'foo' directory there and drop a 'bar' script in it, is the rest of the
> code prepared to give you "git difftool -t foo/bar"?

It does recurse, but in this context '$_' only contains the current
file name within the directory...not the directory itself [1].  So if
we call 'find' on a directory that contains:

  foo
  bar/
      baz

then @tools = ('foo', 'baz')

[1]: http://perldoc.perl.org/File/Find.html#The-wanted-function


>> +     for (@tools) {
>> +             my $tool = $_;
>> +             next if ($tool eq "defaults");
>
> Now you use File::Find::find(), you probably should do this kind of
> trivial filtering inside the callback, no?

I thought about that, but the filter is so simple that it seemed like
overkill to add another function.  If there is another revision of
this patch, I will reconsider.

As always, thanks for the review :)
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