Make diff-hl-flydiff-delay customizable

[gnu-emacs-elpa] / diff-hl.el

diff --git a/diff-hl.el b/diff-hl.el
index 5b6510d557c62e9f398350f928889094ecf69ec2..ec3d4351fb10780ebe8bcbec8cb10dc049273278 100644 (file)
--- a/diff-hl.el
+++ b/diff-hl.el
@@ -213,29 +213,35 @@
          (vc-hg-diff-switches nil)
          (vc-svn-diff-switches nil)
          (vc-diff-switches '("-U0"))
-         (vc-disable-async-diff t))
+         ,@(when (boundp 'vc-disable-async-diff)
+             '((vc-disable-async-diff t))))
      ,body))
 
+(defun diff-hl-modified-p (state)
+  (or (eq state 'edited)
+      (and (eq state 'up-to-date)
+           ;; VC state is stale in after-revert-hook.
+           (or revert-buffer-in-progress-p
+               ;; Diffing against an older revision.
+               diff-hl-reference-revision))))
+
+(defun diff-hl-changes-buffer (file backend)
+  (let ((buf-name " *diff-hl* "))
+    (diff-hl-with-diff-switches
+     (vc-call-backend backend 'diff (list file)
+                      diff-hl-reference-revision nil
+                      buf-name))
+    buf-name))
+
 (defun diff-hl-changes ()
   (let* ((file buffer-file-name)
          (backend (vc-backend file)))
     (when backend
       (let ((state (vc-state file backend)))
         (cond
-         ((or (eq state 'edited)
-              (and (eq state 'up-to-date)
-                   ;; VC state is stale in after-revert-hook.
-                   (or revert-buffer-in-progress-p
-                       ;; Diffing against an older revision.
-                       diff-hl-reference-revision)))
-          (let* ((buf-name " *diff-hl* ")
-                 diff-auto-refine-mode
-                 res)
-            (diff-hl-with-diff-switches
-             (vc-call-backend backend 'diff (list file)
-                              diff-hl-reference-revision nil
-                              buf-name))
-            (with-current-buffer buf-name
+         ((diff-hl-modified-p state)
+          (let* (diff-auto-refine-mode res)
+            (with-current-buffer (diff-hl-changes-buffer file backend)
               (goto-char (point-min))
               (unless (eobp)
                 (ignore-errors
@@ -276,7 +282,7 @@
             (let ((hunk-beg (point)))
               (while (cl-plusp len)
                 (diff-hl-add-highlighting
-                  type
+                 type
                  (cond
                   ((not diff-hl-draw-borders) 'empty)
                   ((and (= len 1) (= line current-line)) 'single)
@@ -436,13 +442,13 @@ in the source file, or the last line of the hunk above it."
   (interactive)
   (diff-hl-next-hunk t))
 
-(define-prefix-command 'diff-hl-command-map)
-
-(let ((map diff-hl-command-map))
-  (define-key map "n" 'diff-hl-revert-hunk)
-  (define-key map "[" 'diff-hl-previous-hunk)
-  (define-key map "]" 'diff-hl-next-hunk)
-  map)
+(defvar diff-hl-command-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map "n" 'diff-hl-revert-hunk)
+    (define-key map "[" 'diff-hl-previous-hunk)
+    (define-key map "]" 'diff-hl-next-hunk)
+    map))
+(fset 'diff-hl-command-map diff-hl-command-map)
 
 ;;;###autoload
 (define-minor-mode diff-hl-mode