Commit 9a30563f authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(revert-buffer): New arg preserve-modes.

(after-find-file): New arg nomodes.
parent 3edc14ae
......@@ -811,7 +811,8 @@ The buffer is not selected, just returned to the caller."
(defvar after-find-file-from-revert-buffer nil)
(defun after-find-file (&optional error warn noauto
"Called after finding a file and by the default revert function.
Sets buffer mode, parses local variables.
Optional args ERROR, WARN, and NOAUTO: ERROR non-nil means there was an
......@@ -820,7 +821,9 @@ exists an auto-save file more recent than the visited file.
NOAUTO means don't mess with auto-save mode.
means this call was from `revert-buffer'.
Finishes by calling the functions in `find-file-hooks'."
Fifth arg NOMODES non-nil means don't alter the file's modes.
Finishes by calling the functions in `find-file-hooks'
unless NOMODES is non-nil."
(setq buffer-read-only (not (file-writable-p buffer-file-name)))
(if noninteractive
......@@ -854,8 +857,10 @@ Finishes by calling the functions in `find-file-hooks'."
(or not-serious (sit-for 1 nil t)))))
(if (and auto-save-default (not noauto))
(auto-save-mode t)))
(normal-mode t)
(run-hooks 'find-file-hooks))
(if nomodes
(normal-mode t)
(run-hooks 'find-file-hooks)))
(defun normal-mode (&optional find-file)
"Choose the major mode for this buffer automatically.
......@@ -2067,7 +2072,7 @@ hook functions.
If `revert-buffer-function' is used to override the normal revert
mechanism, this hook is not used.")
(defun revert-buffer (&optional ignore-auto noconfirm)
(defun revert-buffer (&optional ignore-auto noconfirm preserve-modes)
"Replace the buffer text with the text of the visited file on disk.
This undoes all changes since the file was visited or saved.
With a prefix argument, offer to revert from latest auto-save file, if
......@@ -2147,7 +2152,7 @@ beginning and `after-revert-hook' at the end."
;; have changed the truename.
(setq buffer-file-truename
(abbreviate-file-name (file-truename buffer-file-name)))
(after-find-file nil nil t t)
(after-find-file nil nil t t preserve-modes)
;; Run after-revert-hook as it was before we reverted.
(setq-default revert-buffer-internal-hook global-hook)
(if local-hook-p
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