----- Original Message ----- 
  From: Hugh Gleaves 
  To: git-users@googlegroups.com 
  Sent: Thursday, May 29, 2014 9:22 PM
  Subject: [git-users] Git extensions to use enhanced difference detection


  I'm newish to Git and see that it seems to do change detection using a line 
by line kind of algorithm.

  Is there any way to get Git to be more intelligent, for example when 
comparing a source file to some earlier version don't just use the line-by-line 
compare but instead use a compare that is syntax aware for the kind of file 
that's changed?

  If two files that look different actually have identical syntax trees then it 
would be great to have Git not perceive them as different.

  So just wondering if the system has hooks or if any Git hosting sites offer 
this kind of thing.

  Thx



  -- 

There is a config variable, and there are details in the .gitattibutes man 
page, for deciding which diff function is to be used.

https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html  Defining 
an external diff driver.

https://www.kernel.org/pub/software/scm/git/docs/git-config.html diff.external

Philip.

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