Add oni-diff-hl

oni-diff-hl.el

@@ -0,0 +1,44 @@
+;;; oni-diff-hl.el --- diff-hl configuration         -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2019  Tom Willemse
+
+;; Author: Tom Willemse <tom@ryuslash.org>
+;; Keywords: local
+;; Version: 20190219004948
+;; Package-Requires: (diff-hl)
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Configuration for `diff-hl-mode'.
+
+;;; Code:
+
+(defun oni:with-diff-hl-p4-args (orig-fun &rest args)
+  "Add Perforce-specific command-line arguments to `diff-hl-mode'.
+
+ORIG-FUN is the function being wrapped, ARGS are the arguments specified"
+  (let ((p4-lowlevel-diff-switches '("-du0")))
+    (apply orig-fun args)))
+
+(with-eval-after-load 'vc-p4
+  (add-function :around (symbol-function 'diff-hl-changes-buffer)
+                #'oni:with-diff-hl-p4-args))
+
+;;;###autoload
+(global-diff-hl-mode)
+
+(provide 'oni-diff-hl)
+;;; oni-diff-hl.el ends here