* bug#1862: 23.0.60; tar-mode on posix ustar @ 2009-01-12 0:37 ` Kevin Ryde 2009-01-12 3:45 ` bug#1862: marked as done (23.0.60; tar-mode on posix ustar) Emacs bug Tracking System [not found] ` <handler.1862.D1862.12317315262970.notifdone@emacsbugs.donarmstrong.com> 0 siblings, 2 replies; 4+ messages in thread From: Kevin Ryde @ 2009-01-12 0:37 UTC (permalink / raw To: emacs-pretest-bug [-- Attachment #1: Type: text/plain, Size: 1754 bytes --] Running emacs -Q File-Corresponding-0.003.tar.gz on that file from http://search.cpan.org/CPAN/authors/id/J/JO/JOHANL/File-Corresponding-0.003.tar.gz (about 14 kbytes) produces a buffer like drwxrwxrwx 0/0 0 File-Corresponding-0.003 -r--r--r-- 0/0 1274 Build.PL -r--r--r-- 0/0 382 Changes -r--r--r-- 0/0 1272 Makefile.PL ... where I hoped it would show the directory part of each name, the same as shown by "tar tvf" (GNU tar 1.20), File-Corresponding-0.003 File-Corresponding-0.003/Build.PL File-Corresponding-0.003/Changes File-Corresponding-0.003/Makefile.PL ... Such a file is generated by the perl Archive::Tar module. It uses the posix style magic "ustar\0", with digits "00" in the `version' field. But I think tar-header-block-tokenize only recognises a nul "\000" in that version field (in addition to ``OLDGNU'' style which is a space). I get some joy from the change below. Are those two places the only ones wanting to match the extra form? 2009-01-10 Kevin Ryde <user42@zip.com.au> * tar-mode.el (tar-header-block-tokenize): Recognise posix "ustar\0\060" magic for long filenames. In GNU Emacs 23.0.60.12 (i586-pc-linux-gnu, GTK+ Version 2.12.11) of 2009-01-07 on blah.blah configured using `configure 'CFLAGS=-O -g' '--prefix=/down/emacs/b/inst' '--with-x-toolkit=gtk'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_AU value of $XMODIFIERS: nil locale-coding-system: iso-latin-1-unix default-enable-multibyte-characters: t [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #2: tar-mode.el.posix-ustar.diff --] [-- Type: text/x-diff, Size: 2055 bytes --] *** tar-mode.el 12 Jan 2009 11:33:35 +1100 1.135 --- tar-mode.el 12 Jan 2009 11:33:59 +1100 *************** *** 240,246 **** (link-p (aref string tar-linkp-offset)) (magic-str (substring string tar-magic-offset (1- tar-uname-offset))) ! (uname-valid-p (car (member magic-str '("ustar " "ustar\0\0")))) name linkname (nulsexp "[^\000]*\000")) (when (string-match nulsexp string tar-name-offset) --- 240,249 ---- (link-p (aref string tar-linkp-offset)) (magic-str (substring string tar-magic-offset (1- tar-uname-offset))) ! (uname-valid-p (car (member magic-str ! '("ustar " ;; "OLDGNU" ! "ustar\0\0" ;; per tar-rename-entry ! "ustar\0\060")))) ;; POSIX name linkname (nulsexp "[^\000]*\000")) (when (string-match nulsexp string tar-name-offset) *************** *** 256,262 **** nil (- link-p ?0))) (setq linkname (substring string tar-link-offset link-end)) ! (when (and (equal uname-valid-p "ustar\0\0") (string-match nulsexp string tar-prefix-offset) (> (match-end 0) (1+ tar-prefix-offset))) (setq name (concat (substring string tar-prefix-offset --- 259,266 ---- nil (- link-p ?0))) (setq linkname (substring string tar-link-offset link-end)) ! (when (and (member uname-valid-p '("ustar\0\0" ;; tar-rename-entry ! "ustar\0\060")) ;; POSIX (string-match nulsexp string tar-prefix-offset) (> (match-end 0) (1+ tar-prefix-offset))) (setq name (concat (substring string tar-prefix-offset ^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#1862: marked as done (23.0.60; tar-mode on posix ustar) 2009-01-12 0:37 ` bug#1862: 23.0.60; tar-mode on posix ustar Kevin Ryde @ 2009-01-12 3:45 ` Emacs bug Tracking System [not found] ` <handler.1862.D1862.12317315262970.notifdone@emacsbugs.donarmstrong.com> 1 sibling, 0 replies; 4+ messages in thread From: Emacs bug Tracking System @ 2009-01-12 3:45 UTC (permalink / raw To: Stefan Monnier [-- Attachment #1: Type: text/plain, Size: 881 bytes --] Your message dated Sun, 11 Jan 2009 22:38:24 -0500 with message-id <jwvy6xh9oug.fsf-monnier+emacsbugreports@gnu.org> and subject line Re: bug#1862: 23.0.60; tar-mode on posix ustar has caused the Emacs bug report #1862, regarding 23.0.60; tar-mode on posix ustar to be marked as done. This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact owner@emacsbugs.donarmstrong.com immediately.) -- 1862: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=1862 Emacs Bug Tracking System Contact owner@emacsbugs.donarmstrong.com with problems [-- Attachment #2: Type: message/rfc822, Size: 6318 bytes --] [-- Attachment #2.1.1: Type: text/plain, Size: 1754 bytes --] Running emacs -Q File-Corresponding-0.003.tar.gz on that file from http://search.cpan.org/CPAN/authors/id/J/JO/JOHANL/File-Corresponding-0.003.tar.gz (about 14 kbytes) produces a buffer like drwxrwxrwx 0/0 0 File-Corresponding-0.003 -r--r--r-- 0/0 1274 Build.PL -r--r--r-- 0/0 382 Changes -r--r--r-- 0/0 1272 Makefile.PL ... where I hoped it would show the directory part of each name, the same as shown by "tar tvf" (GNU tar 1.20), File-Corresponding-0.003 File-Corresponding-0.003/Build.PL File-Corresponding-0.003/Changes File-Corresponding-0.003/Makefile.PL ... Such a file is generated by the perl Archive::Tar module. It uses the posix style magic "ustar\0", with digits "00" in the `version' field. But I think tar-header-block-tokenize only recognises a nul "\000" in that version field (in addition to ``OLDGNU'' style which is a space). I get some joy from the change below. Are those two places the only ones wanting to match the extra form? 2009-01-10 Kevin Ryde <user42@zip.com.au> * tar-mode.el (tar-header-block-tokenize): Recognise posix "ustar\0\060" magic for long filenames. In GNU Emacs 23.0.60.12 (i586-pc-linux-gnu, GTK+ Version 2.12.11) of 2009-01-07 on blah.blah configured using `configure 'CFLAGS=-O -g' '--prefix=/down/emacs/b/inst' '--with-x-toolkit=gtk'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_AU value of $XMODIFIERS: nil locale-coding-system: iso-latin-1-unix default-enable-multibyte-characters: t [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #2.1.2: tar-mode.el.posix-ustar.diff --] [-- Type: text/x-diff, Size: 2055 bytes --] *** tar-mode.el 12 Jan 2009 11:33:35 +1100 1.135 --- tar-mode.el 12 Jan 2009 11:33:59 +1100 *************** *** 240,246 **** (link-p (aref string tar-linkp-offset)) (magic-str (substring string tar-magic-offset (1- tar-uname-offset))) ! (uname-valid-p (car (member magic-str '("ustar " "ustar\0\0")))) name linkname (nulsexp "[^\000]*\000")) (when (string-match nulsexp string tar-name-offset) --- 240,249 ---- (link-p (aref string tar-linkp-offset)) (magic-str (substring string tar-magic-offset (1- tar-uname-offset))) ! (uname-valid-p (car (member magic-str ! '("ustar " ;; "OLDGNU" ! "ustar\0\0" ;; per tar-rename-entry ! "ustar\0\060")))) ;; POSIX name linkname (nulsexp "[^\000]*\000")) (when (string-match nulsexp string tar-name-offset) *************** *** 256,262 **** nil (- link-p ?0))) (setq linkname (substring string tar-link-offset link-end)) ! (when (and (equal uname-valid-p "ustar\0\0") (string-match nulsexp string tar-prefix-offset) (> (match-end 0) (1+ tar-prefix-offset))) (setq name (concat (substring string tar-prefix-offset --- 259,266 ---- nil (- link-p ?0))) (setq linkname (substring string tar-link-offset link-end)) ! (when (and (member uname-valid-p '("ustar\0\0" ;; tar-rename-entry ! "ustar\0\060")) ;; POSIX (string-match nulsexp string tar-prefix-offset) (> (match-end 0) (1+ tar-prefix-offset))) (setq name (concat (substring string tar-prefix-offset [-- Attachment #3: Type: message/rfc822, Size: 2090 bytes --] From: Stefan Monnier <monnier@iro.umontreal.ca> To: 1862-done@emacsbugs.donarmstrong.com Subject: Re: bug#1862: 23.0.60; tar-mode on posix ustar Date: Sun, 11 Jan 2009 22:38:24 -0500 Message-ID: <jwvy6xh9oug.fsf-monnier+emacsbugreports@gnu.org> > Such a file is generated by the perl Archive::Tar module. It uses the > posix style magic "ustar\0", with digits "00" in the `version' field. > But I think tar-header-block-tokenize only recognises a nul "\000" in > that version field (in addition to ``OLDGNU'' style which is a space). Indeed, the code didn't pay attention to the version field, but incorrectly clipped it out. I've installed a similar fix to yours, just a bit simpler. Stefan ^ permalink raw reply [flat|nested] 4+ messages in thread
[parent not found: <handler.1862.D1862.12317315262970.notifdone@emacsbugs.donarmstrong.com>]
* bug#1862: 23.0.60; tar-mode on posix ustar [not found] ` <handler.1862.D1862.12317315262970.notifdone@emacsbugs.donarmstrong.com> @ 2009-01-16 0:18 ` Kevin Ryde 2009-01-16 2:39 ` Stefan Monnier 0 siblings, 1 reply; 4+ messages in thread From: Kevin Ryde @ 2009-01-16 0:18 UTC (permalink / raw To: Stefan Monnier; +Cc: 1862 [-- Attachment #1: Type: text/plain, Size: 506 bytes --] Stefan Monnier <monnier@iro.umontreal.ca> writes: > > Indeed, the code didn't pay attention to the version field, but > incorrectly clipped it out. I've installed a similar fix to yours, just > a bit simpler. Does tar-rename-entry have to notice the shorter magic-str now too? Maybe something like the following, with the happy side effect of no longer writing a \0 in the version field, rather digits 00 per posix. Note totally untested!, as my build is in a rather broken state at the moment ... :-) [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #2: tar-mode.el.rename-ustar.diff --] [-- Type: text/x-diff, Size: 981 bytes --] *** tar-mode.el 14 Jan 2009 07:53:50 +1100 1.136 --- tar-mode.el 16 Jan 2009 11:10:21 +1100 *************** *** 1053,1060 **** (string-match "/" encoded-new-name (- (length encoded-new-name) 99)) (< (match-beginning 0) 155)) ! (unless (equal (tar-header-magic descriptor) "ustar\0\0") ! (tar-alter-one-field tar-magic-offset "ustar\0\0")) (setq prefix (substring encoded-new-name 0 (match-beginning 0))) (setq encoded-new-name (substring encoded-new-name (match-end 0)))) --- 1053,1060 ---- (string-match "/" encoded-new-name (- (length encoded-new-name) 99)) (< (match-beginning 0) 155)) ! (unless (equal (tar-header-magic descriptor) "ustar\0") ! (tar-alter-one-field tar-magic-offset "ustar\0\060\060")) (setq prefix (substring encoded-new-name 0 (match-beginning 0))) (setq encoded-new-name (substring encoded-new-name (match-end 0)))) ^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#1862: 23.0.60; tar-mode on posix ustar 2009-01-16 0:18 ` bug#1862: 23.0.60; tar-mode on posix ustar Kevin Ryde @ 2009-01-16 2:39 ` Stefan Monnier 0 siblings, 0 replies; 4+ messages in thread From: Stefan Monnier @ 2009-01-16 2:39 UTC (permalink / raw To: Kevin Ryde; +Cc: 1862 >> Indeed, the code didn't pay attention to the version field, but >> incorrectly clipped it out. I've installed a similar fix to yours, just >> a bit simpler. > Does tar-rename-entry have to notice the shorter magic-str now too? > Maybe something like the following, with the happy side effect of no > longer writing a \0 in the version field, rather digits 00 per posix. Thanks, installed, Stefan ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-01-16 2:39 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- [not found] <jwvy6xh9oug.fsf-monnier+emacsbugreports@gnu.org> 2009-01-12 0:37 ` bug#1862: 23.0.60; tar-mode on posix ustar Kevin Ryde 2009-01-12 3:45 ` bug#1862: marked as done (23.0.60; tar-mode on posix ustar) Emacs bug Tracking System [not found] ` <handler.1862.D1862.12317315262970.notifdone@emacsbugs.donarmstrong.com> 2009-01-16 0:18 ` bug#1862: 23.0.60; tar-mode on posix ustar Kevin Ryde 2009-01-16 2:39 ` Stefan Monnier
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