Make dired fontify pipes and sockets

* lisp/dired.el (dired-socket): New face for pipes and sockets
(bug#24547).
(dired-re-socket): New regexp to match them.
(dired-font-lock-keywords): Use them.

diff --git a/lisp/dired.el b/lisp/dired.el
index 1cd9ae50aa81115f82274b83e138e6484d0a024a..d67d92dc57d0e47ddb0ac53acf69c15362bac596 100644 (file)
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -340,6 +340,7 @@ The directory name must be absolute, but need not be fully expanded.")
 ;; DOS/Windows-style drive letters in directory names, like in "d:/foo".
 (defvar dired-re-dir (concat dired-re-maybe-mark dired-re-inode-size "d[^:]"))
 (defvar dired-re-sym (concat dired-re-maybe-mark dired-re-inode-size "l[^:]"))
+(defvar dired-re-socket (concat dired-re-maybe-mark dired-re-inode-size "[sp][^:]"))
 (defvar dired-re-exe;; match ls permission string of an executable file
   (mapconcat (lambda (x)
                (concat dired-re-maybe-mark dired-re-inode-size x))
@@ -445,6 +446,12 @@ Subexpression 2 must end right before the \\n.")
 (defvar dired-symlink-face 'dired-symlink
   "Face name used for symbolic links.")
 
+(defface dired-socket
+  '((t (:inherit font-lock-variable-name-face)))
+  "Face used for sockets and pipes."
+  :group 'dired-faces
+  :version "27.1")
+
 (defface dired-ignored
   '((t (:inherit shadow)))
   "Face used for files suffixed with `completion-ignored-extensions'."
@@ -500,6 +507,10 @@ Subexpression 2 must end right before the \\n.")
    (list dired-re-sym
         '(".+" (dired-move-to-filename) nil (0 dired-symlink-face)))
    ;;
+   ;; Sockets and pipes
+   (list dired-re-socket
+        '(".+" (dired-move-to-filename) nil (0 'dired-socket)))
+   ;;
    ;; Files suffixed with `completion-ignored-extensions'.
    '(eval .
      ;; It is quicker to first find just an extension, then go back to the