Re: 23.0.60; Suggestion for vc-git.el: allow me to specify options to vc-git

[Thien-Thi Nguyen]

() Eric Hanchrow <address@hidden>
() Sat, 02 Feb 2008 16:51:39 -0800

   So: if there isn't already some way I can customize Emacs to do
   this, could you add such a way?  (I still haven't figured out
   if there's a way to simply tell "git" to always pass the
   --ignore-space-change option to the diff-tree command).

Below is a revised vc-git-diff from:
http://www.gnuvola.org/wip/ (see vc-git-hacking)

I use it in together w/ the ~/.emacs form:
(setq vc-git-diff-switches "--stat")

Please try it out and let me know how/where it breaks.
You will probably want to use something like:
(setq vc-git-diff-switches '("--stat" "--ignore-space-change"))

If we can get it to behave in many cases, i will install it.

thi

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(defun vc-git-diff (files &optional rev1 rev2 buffer)
  "Backend to `vc-diff' for Git.
This respects `vc-git-diff-switches'."
  (let ((twop (and rev1 rev2)))
    (apply 'vc-git-command (or buffer "*vc-diff*") 1 files
           (if twop "diff-tree" "diff-index")
           `(,@(vc-switches 'git 'diff)
             "--exit-code" "-p"
             ,@(if twop
                   (list rev1 rev2)
                 (list (or rev1 "HEAD")))
             "--"))))