Suhail Singh <suhailsingh...@gmail.com> writes:
Hi Suhail,
>> There's a new user option `dired-highlight-symlinks'. If non-nil (the
>> default), symlinks are highlighted the same way as now. With a nil
>> value, they aren't.
>
> I propose that the non-default behaviour be that `dired-symlink-face' is
> applied to the entirety of the symlink. If you agree, it might be
> better to additionally rename `dired-highlight-symlinks' accordingly to
> reflect the updated behaviour.
Good catch, see reworked patch below. The user option has been renamed
to dired-check-symlinks.
> TIL about connection-local variables. Yes, this would be helpful.
> However, if so desired, I imagine that setting
> `dired-highlight-symlinks' buffer-locally in the `dired-mode-hook' would
> work as well. Is my understanding correct?
Yes, connection-local variables are implemented as buffer-local
variables.
Best regards, Michael.
diff --git a/lisp/dired.el b/lisp/dired.el
index 0d526dfc376..bc984c3506d 100644
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -738,6 +738,13 @@ dired-ignored-face
;;; Font-lock
+(defcustom dired-check-symlinks t
+ "Whether symlinks are checked for validity.
+Set it to nil for remote directories, which suffer from a slow connection."
+ :type 'boolean
+ :group 'dired
+ :version "31.1")
+
(defvar dired-font-lock-keywords
(list
;;
@@ -815,11 +822,13 @@ dired-font-lock-keywords
;; Broken Symbolic link.
(list dired-re-sym
(list (lambda (end)
- (let* ((file (dired-file-name-at-point))
- (truename (ignore-errors (file-truename file))))
- ;; either not existent target or circular link
- (and (not (and truename (file-exists-p truename)))
- (search-forward-regexp "\\(.+\\) \\(->\\) ?\\(.+\\)" end t))))
+ (when (connection-local-value dired-check-symlinks)
+ (let* ((file (dired-file-name-at-point))
+ (truename (ignore-errors (file-truename file))))
+ ;; either not existent target or circular link
+ (and (not (and truename (file-exists-p truename)))
+ (search-forward-regexp
+ "\\(.+\\) \\(->\\) ?\\(.+\\)" end t)))))
'(dired-move-to-filename)
nil
'(1 'dired-broken-symlink)
@@ -829,10 +838,12 @@ dired-font-lock-keywords
;; Symbolic link to a directory.
(list dired-re-sym
(list (lambda (end)
- (when-let* ((file (dired-file-name-at-point))
- (truename (ignore-errors (file-truename file))))
- (and (file-directory-p truename)
- (search-forward-regexp "\\(.+-> ?\\)\\(.+\\)" end t))))
+ (when (connection-local-value dired-check-symlinks)
+ (when-let* ((file (dired-file-name-at-point))
+ (truename (ignore-errors (file-truename file))))
+ (and (file-directory-p truename)
+ (search-forward-regexp
+ "\\(.+-> ?\\)\\(.+\\)" end t)))))
'(dired-move-to-filename)
nil
'(1 dired-symlink-face)
@@ -841,12 +852,15 @@ dired-font-lock-keywords
;; Symbolic link to a non-directory.
(list dired-re-sym
(list (lambda (end)
- (when-let ((file (dired-file-name-at-point)))
- (let ((truename (ignore-errors (file-truename file))))
- (and (or (not truename)
- (not (file-directory-p truename)))
- (search-forward-regexp "\\(.+-> ?\\)\\(.+\\)"
- end t)))))
+ (if (not (connection-local-value dired-check-symlinks))
+ (search-forward-regexp
+ "\\(.+-> ?\\)\\(.+\\)" end t)
+ (when-let ((file (dired-file-name-at-point)))
+ (let ((truename (ignore-errors (file-truename file))))
+ (and (or (not truename)
+ (not (file-directory-p truename)))
+ (search-forward-regexp
+ "\\(.+-> ?\\)\\(.+\\)" end t))))))
'(dired-move-to-filename)
nil
'(1 dired-symlink-face)
