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-rw-r--r--contrib/emacs/git.el8
1 files changed, 7 insertions, 1 deletions
diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el
index f6102fc344..214b75cf93 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)."