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Terminate vc-disable-async-diff with extreme prejudice.

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* vc/vc.el, and all backends: API cleanup; the backend diff method
takes an explicit async flag.  This eliminates a particularly ugly
global.
This commit is contained in:
Eric S. Raymond 2014-12-01 17:56:41 -05:00
parent 4f54f7b376
commit ed6ce56e23
13 changed files with 59 additions and 49 deletions
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7
lisp/vc/vc-hg.el
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@ -316,7 +316,7 @@ If LIMIT is non-nil, show no more than this many entries."
(autoload 'vc-switches "vc")
(defun vc-hg-diff (files &optional oldvers newvers buffer)
(defun vc-hg-diff (files &optional async oldvers newvers buffer)
"Get a difference report using hg between two revisions of FILES."
(let* ((firstfile (car files))
(working (and firstfile (vc-working-revision firstfile))))
@ -324,7 +324,10 @@ If LIMIT is non-nil, show no more than this many entries."
(setq oldvers nil))
(when (and (not oldvers) newvers)
(setq oldvers working))
(apply #'vc-hg-command (or buffer "*vc-diff*") nil files "diff"
(apply #'vc-hg-command
(or buffer "*vc-diff*")
(if async 'async nil)
files "diff"
(append
(vc-switches 'hg 'diff)
(when oldvers