(ls-lisp-use-localized-time-format): New defcustom.

(ls-lisp-format-time-list): Doc fix.  Mention ls-lisp-use-localized-time-format.
(ls-lisp-format-time): Use ls-lisp-format-time-list if
ls-lisp-use-localized-time-format is non-nil, even if a valid locale is defined.

1 files changed, 19 insertions, 3 deletions

diff --git a/lisp/ls-lisp.el b/lisp/ls-lisp.el
index 2b778db2387..20da227b010 100644
--- a/lisp/ls-lisp.el
+++ b/lisp/ls-lisp.el
@@ -151,7 +151,10 @@ Otherwise they are treated as Emacs regexps (for backward compatibility)."
   '("%b %e %H:%M"
     "%b %e  %Y")
   "*List of `format-time-string' specs to display file time stamps.
-They are used whenever a locale is not specified to use instead.
+These specs are used ONLY if a valid locale can not be determined.
+
+If `ls-lisp-use-localized-time-format' is non-nil, these specs are used
+regardless of whether the locale can be determined.
 
 Syntax:  (EARLY-TIME-FORMAT OLD-TIME-FORMAT)
 
@@ -166,6 +169,15 @@ current year. The OLD-TIME-FORMAT is used for older files.  To use ISO
                (string :tag "Old time format"))
   :group 'ls-lisp)
 
+(defcustom ls-lisp-use-localized-time-format nil
+  "*Non-nil causes ls-lisp to use `ls-lisp-format-time-list' even if
+a valid locale is specified.
+
+WARNING: Using localized date/time format might cause Dired columns
+to fail to lign up, e.g. if month names are not all of the same length."
+  :type 'boolean
+  :group 'ls-lisp)
+
 (defvar original-insert-directory nil
   "This holds the original function definition of `insert-directory'.")
 
@@ -567,8 +579,12 @@ All ls time options, namely c, t and u, are handled."
               (setq locale nil))
           (format-time-string
            (if (and (<= past-cutoff diff) (<= diff 0))
-               (if locale "%m-%d %H:%M" (nth 0 ls-lisp-format-time-list))
-             (if locale "%Y-%m-%d " (nth 1 ls-lisp-format-time-list)))
+               (if (and locale (not ls-lisp-use-localized-time-format))
+                   "%m-%d %H:%M"
+                 (nth 0 ls-lisp-format-time-list))
+             (if (and locale (not ls-lisp-use-localized-time-format))
+                 "%Y-%m-%d "
+               (nth 1 ls-lisp-format-time-list)))
            time))
       (error "Unk  0  0000"))))