diff options
| -rw-r--r-- | lisp/diff.el | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/diff.el b/lisp/diff.el index ff7906a80c4..eb2e4152896 100644 --- a/lisp/diff.el +++ b/lisp/diff.el @@ -34,6 +34,9 @@ (defvar diff-switches "-c" "*A string or list of strings specifying switches to be be passed to diff.") +(defvar diff-command "diff" + "*The command to use to run diff.") + (defvar diff-regexp-alist '( ;; -u format: @@ -OLDSTART,OLDEND +NEWSTART,NEWEND @@ @@ -196,7 +199,7 @@ With prefix arg, prompt for diff switches." (unwind-protect (let ((command (mapconcat 'identity - (append '("diff") + (append (list diff-command) ;; Use explicitly specified switches (if switches (if (consp switches) |