X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=TODO;h=17e7a8f84775e53f10caa54165db771d72ef2b6b;hb=75bf036edc1425eb66dcc9623846c7204f943ce6;hp=bf1e517cdff44194e2a63875d432748b09cf01f2;hpb=46f2740ff92cabb70f344677adc0836ab1897896;p=chaz%2Ftar diff --git a/TODO b/TODO index bf1e517..17e7a8f 100644 --- a/TODO +++ b/TODO @@ -2,38 +2,25 @@ Suggestions for improving GNU tar. * Incorporate fixes from major distributions, e.g., Debian GNU/Linux. -* Fix tar so that it can read and write POSIX.1-1990 tar archives. +* --append should bail out if the two archives are of different types. -* Add support for POSIX 1003.1-2001 tar archives - (along with technical corrections to the standard since 2001). +* Add support for GNU private keywords in POSIX 1003.1-2001 headers, +so that the GNU extensions (--incremental, --label and +--multi-volume) may be used with POSIX archives. * Add support for a 'pax' command that conforms to POSIX 1003.1-2001. This would unify paxutils with tar. * Remove command-line incompatibilities between GNU tar and UNIX tar - as specified by UNIX98. The main problems are: + as specified by UNIX98. The main problem is: l GNU tar doesn't cross filesystem boundaries. UNIX98 tar warns if all links cannot be resolved. - (GNU tar has no similar option.) + (GNU tar --check-links option) - o GNU tar says output old format. - UNIX98 tar says don't chown files after extracting - (GNU tar uses "--no-same-owner" for this). - - Many people rely on GNU tar's "l" and "o" so we can't abruptly change - GNU tar to be compatible with UNIX98 tar. - - However, "o" is relatively easy: we can extend GNU tar so that "o" is - a synonym for --no-same-owner when extracting, keeping "o"'s current - semantics when creating. This is a bit of a hack, but it shouldn't - break things. - - "l" will be harder, since it's a clear incompatibility. Perhaps we - could announce a phase-in period where "l" changes in semantics. - However, the first step should be to support the UNIX98 semantics, - using a long option, without changing the meaning of "l" for now. That - will give people a migration strategy. + Perhaps we could announce a phase-in period where "l" changes in semantics. + In the meanwhile we could make the "l" semantics to be determined by the + value of POSIXLY_CORRECT variable. * Interoperate better with Joerg Schilling's star implementation. @@ -45,6 +32,24 @@ Suggestions for improving GNU tar. It would be useful to be able to use '--remove-files' with '--diff', to remove all files that compare successfully, when verifying a backup. +* Add tests for testing the added functonality. + +* Consider this: + + From: Dennis Pund + Subject: TAR suggestion... + Date: Wed, 1 May 2002 18:26:36 -0500 (EST) + + What I would like to do is: + + foo my.tar.gz | tar -xzOf - | tar -cMf - -L 650000 - | bar + + where 'foo' is a program that retrieves the archive and streams it + to stdout and bar is a program that streams the stdin to CDR. + + (http://mail.gnu.org/archive/html/bug-gnu-utils/2002-05/msg00022.html) + + * Copyright notice Copyright (C) 2003 Free Software Foundation, Inc. @@ -65,3 +70,9 @@ Suggestions for improving GNU tar. along with tar; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +Local variables: +mode: outline +paragraph-separate: "[ ]*$" +end: