[Emacs-diffs] Changes to emacs/lisp/vc-arch.el,v

[Stefan Monnier]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Stefan Monnier <monnier>        06/12/27 16:26:35

Index: vc-arch.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/vc-arch.el,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -b -r1.20 -r1.21
--- vc-arch.el  6 Feb 2006 14:33:35 -0000       1.20
+++ vc-arch.el  27 Dec 2006 16:26:34 -0000      1.21
@@ -406,6 +406,20 @@
 
 (defun vc-arch-init-version () nil)
 
+;;; Less obvious implementations.
+
+(defun vc-arch-find-version (file rev buffer)
+  (let ((out (make-temp-file "vc-out")))
+    (unwind-protect
+        (progn
+          (with-temp-buffer
+            (vc-arch-command (current-buffer) 1 nil "file-diffs" file rev)
+            (call-process-region (point-min) (point-max)
+                                 "patch" nil nil nil "-R" "-o" out file))
+          (with-current-buffer buffer
+            (insert-file-contents out)))
+      (delete-file out))))
+
 (provide 'vc-arch)
 
 ;; arch-tag: a35c7c1c-5237-429d-88ef-3d718fd2e704