Commit a91c76d6 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

(tar-mode): Use define-derived-mode.

parent c4d9b0d9
......@@ -528,7 +528,7 @@ is visible (and the real data of the buffer is hidden)."
(put 'tar-subfile-mode 'mode-class 'special)
(defun tar-mode ()
(define-derived-mode tar-mode nil "Tar"
"Major mode for viewing a tar file as a dired-like listing of its contents.
You can move around using the usual cursor motion commands.
Letters no longer insert themselves.
......@@ -547,33 +547,21 @@ See also: variables `tar-update-datestamp' and `tar-anal-blocksize'.
;; mode on and off. You can corrupt things that way.
;; rms: with permanent locals, it should now be possible to make this work
;; interactively in some reasonable fashion.
(make-local-variable 'tar-header-offset)
(make-local-variable 'tar-parse-info)
(make-local-variable 'require-final-newline)
(setq require-final-newline nil) ; binary data, dude...
(make-local-variable 'revert-buffer-function)
(setq revert-buffer-function 'tar-mode-revert)
(make-local-variable 'local-enable-local-variables)
(setq local-enable-local-variables nil)
(make-local-variable 'next-line-add-newlines)
(setq next-line-add-newlines nil)
(set (make-local-variable 'require-final-newline) nil) ; binary data, dude...
(set (make-local-variable 'revert-buffer-function) 'tar-mode-revert)
(set (make-local-variable 'local-enable-local-variables) nil)
(set (make-local-variable 'next-line-add-newlines) nil)
;; Prevent loss of data when saving the file.
(make-local-variable 'file-precious-flag)
(setq file-precious-flag t)
(setq major-mode 'tar-mode)
(setq mode-name "Tar")
(use-local-map tar-mode-map)
(set (make-local-variable 'file-precious-flag) t)
(auto-save-mode 0)
(make-local-variable 'write-contents-hooks)
(setq write-contents-hooks '(tar-mode-write-file))
(set (make-local-variable 'write-contents-hooks) '(tar-mode-write-file))
(if (and (boundp 'tar-header-offset) tar-header-offset)
(narrow-to-region 1 (byte-to-position tar-header-offset))
(tar-next-line 0))
(run-hooks 'tar-mode-hook)
(tar-next-line 0)))
(defun tar-subfile-mode (p)
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