X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=NEWS;h=62844269fd7cafae43430a708b843aab472495a3;hb=c9a7297a8a135c0afd8f984b91578a822ba3b04c;hp=76917fb4a7a9de9dd48d86b67b259d915c1de5ae;hpb=57267f7ed9a41e3ea7a0fb9379dc18322b3df7c6;p=chaz%2Ftar diff --git a/NEWS b/NEWS index 76917fb..6284426 100644 --- a/NEWS +++ b/NEWS @@ -1,7 +1,203 @@ -GNU tar NEWS - User visible changes. +GNU tar NEWS - User visible changes. 2008-06-26 Please send GNU tar bug reports to + + +version 1.20.90 (CVS) + +* New short option -J + +A shortcut for --lzma. + +* New option --lzop + +* New option --no-auto-compress + +Cancels the effect of previous --auto-compress (-a) option. + +* Compressed format recognition + +If tar is unable to determine archive compression format, it falls +back to using archive suffix to determine it. + +* VCS support. + +Using --exclude-vcs handles also files used internally by Bazaar, +Mercurial and Darcs. + + + +version 1.20 - Sergey Poznyakoff, 2008-04-14 + +* New option --auto-compress (-a) + +With --create, selects compression algorithm basing on the suffix +of the archive file name. + +* New option --lzma + +Selects LZMA compression algorithm + +* New option --hard-dereference + +During archive creation, dereferences hard links and stores the files +they refer to, instead of creating usual hard link members (type '1'). + +* New option --checkpoint-action + +This action allows to specify an action to be executed upon hitting a +checkpoint. Recognized actions are: dot, echo (the default), +echo=string, ttyout=string, exec=cmdline, and sleep=value. Any number +of `--checkpoint-action' options can be specified, the actions will be +executed in order of their appearance in the command line. See +chapter 3.8 "Checkpoints" for a complete description. + +* New options --no-check-device, --check-device. + +The `--no-check-device' option disables comparing device numbers during +preparatory stage of an incremental dump. This allows to avoid +creating full dumps if the device numbers change (e.g. when using an +LVM snapshot). + +The `--check-device' option enables comparing device numbers. This is +the default. This option is provided to undo the effect of the previous +`--no-check-device' option, e.g. if it was set in TAR_OPTIONS +environment variable. + +* The --transform option. + +Any number of `--transform' options can be given in the command line. +The specified transformations will be applied in turn. + +The argument to `--transform' option can be a list of replace +expressions, separated by a semicolon (as in `sed'). + +Filename transformations are applied to symbolic link targets +during both creation and extraction. Tar 1.19 used them only +during extraction. + +For a detailed description, see chapter 6.7 "Modifying File and Member +Names". + +* Info (end-of-volume) scripts + +The value of the blocking factor is made available to info and +checkpoint scripts via environment variable TAR_BLOCKING_FACTOR. + +* Incremental archives + +Improved (sped up) extracting from incremental archives. + +* Bugfixes. +** Fix bug introduced in version 1.19: tar refused to update non-existing +archives. + + +version 1.19 - Sergey Poznyakoff, 2007-10-10 + +* New option --exclude-vcs + +Excludes directories and files, created by several widely used version +control systems, e.g. "CVS/", ".svn/", etc. + +* --exclude-tag and --exclude-cache options + +The following options now work with incremental archives as well: + + --exclude-caches + --exclude-caches-all + --exclude-tag + --exclude-tag-all + --exclude-tag-under + +* Fix handling of renamed files in listed incremental archives. + +Previous versions always stored absolute file names in rename +records, even if -P was not used. This is fixed: rename records +contain file names processed in accordance with the command line +settings. + +* Fix --version output. + +* Recognition of broken archives. + +When supplied an archive smaller than 512 bytes in reading mode (-x, +-t), the previous version of tar silently ignored it, exiting with +code 0. It is fixed. Tar now issues the following diagnostic message: +'This does not look like a tar archive', and exits with code 2. + +* Fix double-dot recognition in archive member names in case of duplicate '/.'. + +* Fix file padding in case of truncation of the input file to zero size. + + +version 1.18 - Sergey Poznyakoff, 2007-06-29 + +* Licensed under the GPLv3 + +* Fixed several bugs in the testsuite + + +version 1.17 - Sergey Poznyakoff, 2007-06-08 + +* Fix archivation of sparse files in posix mode. Previous versions padded + sparse members with spurious zero blocks. + +* Fix operation of --verify --listed-incremental. Version 1.16.1 produced + a full dump when both options were given. + +* Fix --occurrence. In previous versions it continued scanning the archive + even though all requested members has already been extracted. + +* Scope of --transform and --strip-components options. + +In addition to affecting regular archive members, the --transform +option affects hard and soft link targets and the --strip-components +option affects hard link targets as well. + +* End-of-volume script can send the new volume name to tar by writing + it to the file descriptor stored in the environment variable `TAR_FD'. + + +version 1.16.1 - Sergey Poznyakoff, 2006-12-09 + +* New option --exclude-tag allows to specify "exclusion tag files", i.e. + files whose presence in a directory means that the directory should not + be archived. + +* The --exclude-cache option excludes directories that contain the + CACHEDIR.TAG file from being archived. Previous versions excluded + directory contents only, while the directories themselves were + still added to the archive. + +* Support for reading ustar type 'N' header logical records has been removed. + This GNU extension was generated only by very old versions of GNU 'tar'. + Unfortunately its implementation had security holes; see + . + We don't expect that any tar archives in practical use have type 'N' + records, but if you have one and you trust its contents, you can + decode it with GNU tar 1.16 or earlier. + +* Race conditions have been fixed that in some cases briefly allowed + files extracted by 'tar -x --same-owner' (or plain 'tar -x', when + running as root) to be accessed by users that they shouldn't have been. + + +version 1.16 - Sergey Poznyakoff, 2006-10-21 + +* After creating an archive, tar exits with code 1 if some files were +changed while being read. Previous versions exited with code 2 (fatal +error), and only if some files were truncated while being archived. + +* New option --mtime allows to set modification times for all archive +members during creation. + +* Bug fixes +** Avoid running off file descriptors when using multiple -C options. +** tar --index-file=FILE --file=- sent the archive to FILE, and +the listing to stderr. + -version 1.15.91 - Sergey Poznyakoff, (CVS version) +version 1.15.91 - Sergey Poznyakoff, 2006-06-16 * Incompatible changes @@ -19,14 +215,14 @@ no longer uses globbing by default. For example, the above invocation is now interpreted as a request to extract from the archive the file named '*.c'. -To treat member names as globbing patterns, use --wildcards option. -So, if you wish tar to mimic the behavior of versions up to 1.15.90, -set 'TAR_OPTIONS=--wildcards'. +To treat member names as globbing patterns, use --wildcards option. +If you wish tar to mimic the behavior of versions up to 1.15.90, +add --wildcards to the value of the environment variable TAR_OPTIONS. -The exact way tar interprets member names is controlled by the +The exact way in which tar interprets member names is controlled by the following command line options: - --wildcards use wildcards + --wildcards use wildcards --anchored patterns match file name start --ignore-case ignore case --wildcards-match-slash wildcards match `/' @@ -34,7 +230,7 @@ following command line options: Each of these options has a '--no-' counterpart that disables its effect (e.g. --no-wildcards). -These options affect both the interpretation of member names from +These options affect both the interpretation of member names from command line and that of the exclusion patterns (given with --exclude and --exclude-from options). The defaults are: @@ -50,12 +246,43 @@ case-sensitive matching for the rest of command line, one could write: ** Short option -l is now an alias of --check-links option, which complies with UNIX98. This ends the transition period started with version 1.14. - + * New features -** New incremental snapshot file format keeps information about file names +** New option --transform allows to transform file names before storing them +in the archive or member names before extracting. The option takes a +sed replace expression as its argument. For example, + + tar cf foo.tar --transform 's,^,prefix/,' + +will add 'prefix/' to all file names stored in foo.tar. + +** --strip-components option works when deleting and comparing. In previous +versions it worked only with --extract. + +** New option --show-transformed-names enables display of transformed file +or archive. It generalizes --show-stored-names option, introduced in +1.15.90. In particular, when creating an archive in verbose mode, it lists +member names as stored in the archive, i.e., with any eventual prefixes +removed and file name transformations applied. The option is useful, +for example, while comparing `tar cv' and `tar tv' outputs. + +** New incremental snapshot file format keeps information about file names as well as that about directories. +** The --checkpoint option takes an optional argument specifying the number +of records between the two successive checkpoints. Optional dot +starting the argument intructs tar to print dots instead of textual +checkpoints. + +** The --totals option can be used with any tar operation (previous versions +understood it only with --create). If an argument to this option is +given, it specifies the signal upon delivery of which the statistics +is to be printed. Both forms of this option (with and without +argument) can be given to in a single invocation of tar. + +* Bug fixes +** Detect attempts to update compressed archives. version 1.15.90 - Sergey Poznyakoff, 2006-02-19 @@ -138,7 +365,7 @@ Consequently, the file pointer was set off and the next member was not processed correctly. ** Previous version created invalid archives when files shrink during reading. -** Compare mode (tar d) hanged when trying to compare file contents. +** Compare mode (tar d) hung when trying to compare file contents. ** Previous versions in certain cases failed to restore directory modification times. ** When creating an archive, do not attempt to store files whose @@ -795,13 +1022,13 @@ Versions 1.07 back to 1.00 by Jay Fenlason. Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, -2004, 2005, 2006 Free Software Foundation, Inc. +2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of GNU tar. GNU tar is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) +the Free Software Foundation; either version 3, or (at your option) any later version. GNU tar is distributed in the hope that it will be useful, @@ -817,4 +1044,8 @@ Boston, MA 02110-1301, USA. Local variables: mode: outline paragraph-separate: "[ ]*$" +eval: (add-hook 'write-file-hooks 'time-stamp) +time-stamp-start: "changes. " +time-stamp-format: "%:y-%02m-%02d" +time-stamp-end: "\n" end: