;;; tar-mode.el --- simple editing of tar files from GNU emacs
-;; Copyright (C) 1990,91,93,94,95,96,97,98,99,2000,2001
+;; Copyright (C) 1990,91,93,94,95,96,97,98,99,2000,01,2004
;; Free Software Foundation, Inc.
;; Author: Jamie Zawinski <jwz@lucid.com>
;; This code now understands the extra fields that GNU tar adds to tar files.
;; This interacts correctly with "uncompress.el" in the Emacs library,
-;; which you get with
+;; which you get with
;;
;; (autoload 'uncompress-while-visiting "uncompress")
;; (setq auto-mode-alist (cons '("\\.Z$" . uncompress-while-visiting)
;;
;; Do not attempt to use tar-mode.el with crypt.el, you will lose.
-;; *************** TO DO ***************
+;; *************** TO DO ***************
;;
;; o chmod should understand "a+x,og-w".
;;
-;; o It's not possible to add a NEW file to a tar archive; not that
+;; o It's not possible to add a NEW file to a tar archive; not that
;; important, but still...
;;
;; o The code is less efficient that it could be - in a lot of places, I
;; of an archive, where <esc> would leave you in a subfile-edit buffer.
;; (Like the Meta-R command of the Zmacs mail reader.)
;;
-;; o Sometimes (but not always) reverting the tar-file buffer does not
+;; o Sometimes (but not always) reverting the tar-file buffer does not
;; re-grind the listing, and you are staring at the binary tar data.
;; Typing 'g' again immediately after that will always revert and re-grind
;; it, though. I have no idea why this happens.
;; might be a problem if the tar write-file-hook does not come *first* on
;; the list.
;;
-;; o Block files, sparse files, continuation files, and the various header
+;; o Block files, sparse files, continuation files, and the various header
;; types aren't editable. Actually I don't know that they work at all.
;; Rationale:
(defcustom tar-anal-blocksize 20
"*The blocksize of tar files written by Emacs, or nil, meaning don't care.
The blocksize of a tar file is not really the size of the blocks; rather, it is
-the number of blocks written with one system call. When tarring to a tape,
+the number of blocks written with one system call. When tarring to a tape,
this is the size of the *tape* blocks, but when writing to a file, it doesn't
matter much. The only noticeable difference is that if a tar file does not
have a blocksize of 20, tar will tell you that; all this really controls is
tar file will update its datestamp. If false, the datestamp is unchanged.
You may or may not want this - it is good in that you can tell when a file
in a tar archive has been changed, but it is bad for the same reason that
-editing a file in the tar archive at all is bad - the changed version of
+editing a file in the tar archive at all is bad - the changed version of
the file never exists on disk."
:type 'boolean
:group 'tar)
(defun tar-header-block-tokenize (string)
"Return a `tar-header' structure.
-This is a list of name, mode, uid, gid, size,
+This is a list of name, mode, uid, gid, size,
write-date, checksum, link-type, and link-name."
(cond ((< (length string) 512) nil)
(;(some 'plusp string) ; <-- oops, massive cycle hog!
(dotimes (i L)
(if (or (< (aref string i) ?0)
(> (aref string i) ?7))
- (error "`%c' is not an octal digit"))))
+ (error "`%c' is not an octal digit" (aref string i)))))
(tar-parse-octal-integer string))
(format "%c%c%s%8s/%-8s%7s%s %s%s"
(if mod-p ?* ? )
(cond ((or (eq type nil) (eq type 0)) ?-)
- ((eq type 1) ?l) ; link
- ((eq type 2) ?s) ; symlink
+ ((eq type 1) ?h) ; link
+ ((eq type 2) ?l) ; symlink
((eq type 3) ?c) ; char special
((eq type 4) ?b) ; block special
((eq type 5) ?d) ; directory
;;;###autoload
(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.
+You can move around using the usual cursor motion commands.
Letters no longer insert themselves.
Type `e' to pull a file out of the tar file and into its own buffer;
or click mouse-2 on the file's line in the Tar mode buffer.
Type `c' to copy an entry from the tar file into another file on disk.
-If you edit a sub-file of this archive (as with the `e' command) and
-save it with Control-x Control-s, the contents of that buffer will be
-saved back into the tar-file buffer; in this way you can edit a file
+If you edit a sub-file of this archive (as with the `e' command) and
+save it with Control-x Control-s, the contents of that buffer will be
+saved back into the tar-file buffer; in this way you can edit a file
inside of a tar archive without extracting it and re-archiving it.
See also: variables `tar-update-datestamp' and `tar-anal-blocksize'.
(min (+ (point-min) 16384) (point-max)) t)))
(if coding
(or (numberp (coding-system-eol-type coding))
+ (vectorp (coding-system-eol-type detected))
(setq coding (coding-system-change-eol-conversion
coding
(coding-system-eol-type detected))))
(decode-coding-region (point-min) (point-max) coding)
(set-buffer-file-coding-system coding))
;; Set the default-directory to the dir of the
- ;; superior buffer.
+ ;; superior buffer.
(setq default-directory
(save-excursion
(set-buffer tar-buffer)
(make-local-variable 'tar-superior-descriptor)
(setq tar-superior-buffer tar-buffer)
(setq tar-superior-descriptor descriptor)
- (setq buffer-read-only read-only-p)
+ (setq buffer-read-only read-only-p)
(set-buffer-modified-p nil)
(tar-subfile-mode 1))
(set-buffer tar-buffer))
(delete-region p (point))
(insert (tar-header-block-summarize tokens) "\n")
(setq tar-header-offset (position-bytes (point-max))))
-
+
(widen)
(set-buffer-multibyte nil)
(let* ((start (+ (tar-desc-data-start descriptor) tar-header-offset -513)))
\f
(provide 'tar-mode)
+;;; arch-tag: 8a585a4a-340e-42c2-89e7-d3b1013a4b78
;;; tar-mode.el ends here