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[PATCH] git.el: Add support for interactive diffs.

From: Alexandre Julliard <hidden>
Date: 2016-06-15 22:43:28
Subsystem: the rest · Maintainer: Linus Torvalds

Signed-off-by: Alexandre Julliard <redacted>
---
 contrib/emacs/git.el |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el
index f6102fc..214b75c 100644
--- a/contrib/emacs/git.el
+++ b/contrib/emacs/git.el
@@ -965,7 +965,13 @@ Return the list of files that haven't been handled."
 (defun git-diff-file-idiff ()
   "Perform an interactive diff on the current file."
   (interactive)
-  (error "Interactive diffs not implemented yet."))
+  (let ((files (git-marked-files-state 'added 'deleted 'modified)))
+    (unless (eq 1 (length files))
+      (error "Cannot perform an interactive diff on multiple files."))
+    (let* ((filename (car (git-get-filenames files)))
+           (buff1 (find-file-noselect filename))
+           (buff2 (git-run-command-buffer (concat filename ".~HEAD~") "cat-file" "blob" (concat "HEAD:" filename))))
+      (ediff-buffers buff1 buff2))))
 
 (defun git-log-file ()
   "Display a log of changes to the marked file(s)."
-- 
1.5.3.rc4.70.gf909

-- 
Alexandre Julliard
julliard@winehq.org
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