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1 GNU tar NEWS - User visible changes.
2 Please send GNU tar bug reports to <bug-tar@gnu.org>
3 \f
4 version 1.15.91 - Sergey Poznyakoff, (CVS version)
5
6 * Incompatible changes
7
8 ** Globbing
9
10 Previous versions of GNU tar assumed shell-style globbing when
11 extracting from or listing an archive. For example:
12
13 tar xf foo.tar '*.c'
14
15 would extract all files whose names end in '.c'. This behavior
16 was not documented and was incompatible with traditional tar
17 implementations. Therefore, starting from this version, GNU tar
18 no longer uses globbing by default. For example, the above invocation
19 is now interpreted as a request to extract from the archive the file
20 named '*.c'.
21
22 To treat member names as globbing patterns, use --wildcards option.
23 If you wish tar to mimic the behavior of versions up to 1.15.90,
24 add --wildcards to the value of the environment variable TAR_OPTIONS.
25
26 The exact way in which tar interprets member names is controlled by the
27 following command line options:
28
29 --wildcards use wildcards
30 --anchored patterns match file name start
31 --ignore-case ignore case
32 --wildcards-match-slash wildcards match `/'
33
34 Each of these options has a '--no-' counterpart that disables its
35 effect (e.g. --no-wildcards).
36
37 These options affect both the interpretation of member names from
38 command line and that of the exclusion patterns (given with --exclude
39 and --exclude-from options). The defaults are:
40
41 1. For member names: --no-wildcards --anchored
42 2. For exclusion patterns: --wildcards --no-anchored --wildcards-match-slash
43
44 The options can appear multiple times in the command line, thereby
45 changing the way command line arguments are interpreted. For example,
46 to use case-insensitive matching in exclude patterns and to revert to
47 case-sensitive matching for the rest of command line, one could write:
48
49 tar xf foo.tar --ignore-case --exclude-from=FILE --no-ignore-case file.name
50
51 ** Short option -l is now an alias of --check-links option, which complies
52 with UNIX98. This ends the transition period started with version 1.14.
53
54 * New features
55
56 ** New option --transform allows to transform file names before storing them
57 in the archive or member names before extracting. The option takes a
58 sed replace expression as its argument. For example,
59
60 tar cf foo.tar --transform 's,^,prefix/,'
61
62 will add 'prefix/' to all file names stored in foo.tar.
63
64 ** --strip-components option works when deleting and comparing. In previous
65 versions it worked only with --extract.
66
67 ** New option --show-transformed-names enables display of transformed file
68 or archive. In particular, when creating archive in verbose mode,
69 the option lists member names as stored in the archive. It
70 generalizes --show-stored-names option, introduced in 1.15.90. In
71 particular, when creating an archive in verbose mode, it lists member
72 names as stored in the archive, i.e., with any eventual prefixes
73 removed and file name transformations applied. The option is useful,
74 for example, while comparing `tar cv' and `tar tv' outputs.
75
76 ** New incremental snapshot file format keeps information about file names
77 as well as that about directories.
78
79 \f
80 version 1.15.90 - Sergey Poznyakoff, 2006-02-19
81
82 * New features
83
84 ** Any number of -T (--files-from) options may be used in the command line.
85 The file specified with -T may include any valid `tar' options,
86 including another -T option.
87 Compatibility note: older versions of tar would only recognize -C
88 as an option name within the file list file. Now any file whose name
89 starts with - is handled as an option. To insert file names starting with
90 dash, use the --add-file option.
91
92 ** List files containing null-separated file names are detected and processed
93 automatically. It is no longer necessary to give the --null option.
94
95 ** New option --no-unquote disables the unquoting of input file names.
96 This is useful for processing output from `find dir -print0'.
97 An orthogonal option --unquote is provided as well.
98
99 ** New option --test-label tests the archive volume label.
100 If an argument is specified, the label is compared against its value.
101 Tar exits with code 0 if the two strings match, and with code 2 if
102 they do not.
103
104 If no argument is given, the --verbose option is implied. In this case,
105 tar prints the label name if present and exits with code 0.
106
107 ** New option --show-stored-names. When creating an archive in verbose mode,
108 it lists member names as stored in the archive, i.e., with any eventual
109 prefixes removed. The option is useful, for example, while comparing
110 `tar cv' and `tar tv' outputs.
111
112 ** New option --to-command pipes the contents of archive members to the
113 specified command.
114
115 ** New option --atime-preserve=system, which uses the O_NOATIME feature
116 of recent Linux kernels to avoid some problems when preserving file
117 access times.
118
119 ** New option --delay-directory-restore delays restoring modification times
120 and permissions of extracted directories until the end of extraction.
121 This is necessary for restoring from archives with unusual member
122 ordering (in particular, those created with --no-recursion option).
123 This option is implied when restoring from incremental archives.
124
125 ** New option --restrict prohibits use of some potentially harmful tar
126 options. Currently it disables '!' escape in multi-volume name menu.
127
128 ** New options --quoting-style and --quote-chars control the way tar
129 quotes member names on output. The --quoting-style takes an argument
130 specifying the quoting style to use (literal, shell, shell-always,
131 c, escape, locale, clocale). The argument to --quote-chars is a string
132 specifying characters to quote, even if the selected quoting style
133 would not quote them otherwise. The option --no-quote-chars is
134 provided to disable quoting certain characters.
135
136 ** The end-of-volume script (introduced with --info-script option) can
137 get current archive name from the environment variable TAR_ARCHIVE and
138 the volume number from the variable TAR_VOLUME. It can alter the
139 archive name by writing new name to the file descriptor 3.
140
141 ** Better support for full-resolution time stamps. Tar cannot restore
142 time stamps to full nanosecond resolution, though, until the kernel
143 guys get their act together and give us a system call to set file time
144 stamps to nanosecond resolution.
145
146 ** The -v option now prints time stamps only to 1-minute resolution,
147 not full resolution, to avoid using up too many output columns.
148 Nanosecond resolution is now supported, but that would be too much.
149
150 * Bug fixes
151
152 ** Allow non-option arguments to be interspersed with options.
153 ** When extracting or listing archives in old GNU format, tar
154 used to read an extra block of data after a long name header
155 if length of the member name was divisible by block size (512).
156 Consequently, the file pointer was set off and the next member
157 was not processed correctly.
158 ** Previous version created invalid archives when files shrink
159 during reading.
160 ** Compare mode (tar d) hanged when trying to compare file contents.
161 ** Previous versions in certain cases failed to restore directory
162 modification times.
163 ** When creating an archive, do not attempt to store files whose
164 meta-data cannot be stored in the header due to format limitations
165 (for ustar and v7 formats).
166 ** The --version option now also outputs information about copyright,
167 license, and credits. This reverts to the behavior of tar 1.14 and
168 earlier, and conforms to the GNU coding standards. The --license (-L)
169 option introduced in tar 1.15 has been removed, since it's no longer
170 needed.
171
172 \f
173 version 1.15.1 - Sergey Poznyakoff, 2004-12-21
174
175 This version fixes a bug introduced in 1.15 which caused
176 tar to refuse to extract files from standard input.
177
178 \f
179 version 1.15 - Sergey Poznyakoff, 2004-12-20
180
181 * Compressed archives are recognised automatically, it is no longer
182 necessary to specify -Z, -z, or -j options to read them. Thus, you can
183 now run `tar tf archive.tar.gz'.
184
185 * When restoring incremental dumps, --one-file-system option
186 prevents directory hierarchies residing on different devices
187 from being purged.
188
189 With the previous versions of tar it was dangerous to create
190 incremental dumps with --one-file-system option, since they
191 would recursively remove mount points when restoring from the
192 back up. This change fixes the bug.
193
194 * Renamed --strip-path to --strip-components for consistency with
195 the GNU convention.
196
197 * Skipping archive members is sped up if the archive media supports
198 seeks.
199
200 * Restore script starts restoring only if it is given --all (-a) option,
201 or some patterns. This is to prevent accidental restores.
202
203 * `tar --verify' prints a warning if during archive creation some of
204 the file names had their prefixes stripped off.
205
206 * New option --exclude-caches instructs tar to exclude cache directories
207 automatically on archive creation. Cache directories are those
208 containing a standardized tag file, as specified at:
209
210 http://www.brynosaurus.com/cachedir/spec.html
211
212 * New configure option --with-rmt allows to specify full path name to
213 the `rmt' utility. This supersedes DEFAULT_RMT_COMMAND variable
214 introduced in version 1.14
215
216 * New configure variable DEFAULT_RMT_DIR allows to specify the directory
217 where to install `rmt' utility. This is necessary since modifying
218 --libexecdir as was suggested for version 1.14 produced a side effect: it
219 also modified installation prefix for backup scripts (if
220 --enable-backup-scripts was given).
221
222 * Bug fixes:
223 ** Fixed flow in recognizing files to be included in incremental dumps.
224 ** Correctly recognize sparse archive members when used with -T option.
225 ** GNU multivolume headers cannot store filenames longer than 100 characters.
226 Do not allow multivolume archives to begin with such filenames.
227 ** If a member with link count > 2 was stored in the archive twice,
228 previous versions of tar were not able to extract it, since they
229 were trying to link the file to itself, which always failed and
230 lead to removing the already extracted copy. Preserve the first
231 extracted copy in such cases.
232 ** Restore script was passing improper argument to tar --listed option (which
233 didn't affect the functionality, but was logically incorrect).
234 ** Fixed verification of created archives.
235 ** Fixed unquoting of file names containing backslash escapes (previous
236 versions failed to recognize \a and \v).
237 ** When attempting to delete a non-existing member from the archive, previous
238 versions of tar used to overwrite last archive block with zeroes.
239
240 \f
241 version 1.14 - Sergey Poznyakoff, 2004-05-11
242
243 * Added support for POSIX.1-2001 and ustar archive formats.
244 * New option --format allows to select the output archive format
245 * The default output format can be selected at configuration time
246 by presetting the environment variable DEFAULT_ARCHIVE_FORMAT.
247 Allowed values are GNU, V7, OLDGNU and POSIX.
248 * New option --strip-path allows to cut off a given number of
249 path elements from the name of the file being extracted.
250
251 * New options --index-file, --no-overwrite-dir. The --overwrite-dir
252 option is now the default; use --no-overwrite-dir if you prefer
253 the previous default behavior.
254
255 * The semantics of -o option is changed. When extracting, it
256 does the same as --no-same-owner GNU tar option. This is compatible
257 with UNIX98 tar. Otherwise, its effect is the same as that of
258 --old-archive option. This latter is deprecated and will be removed
259 in future.
260
261 * New option --check-links prints a message if not all links are dumped
262 for a file being archived. This corresponds to the UNIX98 -l option.
263 The current semantics of the -l option is retained for compatibility
264 with previous releases, however such usage is strongly deprecated as
265 the option will change to its UNIX98 semantics in the future releases.
266
267 * New option --occurrence[=N] can be used in conjunction with one of
268 the subcommands --delete, --diff, --extract or --list when a list of
269 files is given either on the command line or via -T option. This
270 option instructs tar to process only the Nth occurrence of each named
271 file. N defaults to 1, so `tar -x -f archive --occurrence filename'
272 extracts the first occurrence of `filename' from `archive'
273 and terminates without scanning to the end of the archive.
274
275 * New option --pax-option allows to control the handling of POSIX
276 keywords in `pax' extended headers. It is equivalent to `pax'
277 -o option.
278
279 * --incremental and --listed-incremental options work correctly on
280 individual files, as well as on directories.
281
282 * New scripts: backup (replaces old level-0 and level-1) and restore.
283 The scripts are compiled and installed if --enable-backup-scripts
284 option is given to configure.
285
286 * By default tar searches "rmt" utility in "$prefix/libexec/rmt",
287 which is consistent with the location where the version of "rmt"
288 included in the package is installed. Previous versions of tar
289 used "/etc/rmt". To install "rmt" to its traditional location,
290 run configure with option --libexecdir=/etc. Otherwise, if you
291 already have rmt installed and wish to use it, instead of the
292 shipped in version, set the variable DEFAULT_RMT_COMMAND to
293 the full path name of the utility, e.g., ./configure
294 DEFAULT_RMT_COMMAND=/etc/rmt.
295
296 Notice also that the full path name of the "rmt" utility to
297 use can be set at runtime, by giving option --rmt-command to
298 tar.
299
300 * Removed obsolete command line options:
301 ** --absolute-paths superseded by --absolute-names
302 ** --block-compress is not needed any longer
303 ** --block-size superseded by --blocking-factor
304 ** --modification-time superseded by --touch
305 ** --read-full-blocks superseded by --read-full-records
306 ** --record-number superseded by --block-number
307 ** --version-control superseded by --backup
308
309 * New message translations fi (Finnish), gl (Galician), hr (Croatian),
310 hu (Hungarian), ms (Malaysian), nb (Norwegian), ro (Romanian), sk
311 (Slovak), zh_CN (Chinese simplified), zh_TW (Chinese traditional).
312 The code 'no' for Norwegian (Bokmål) has been withdrawn; use 'nb' instead.
313
314 * Bug fixes.
315
316 \f
317 version 1.13.25 - Paul Eggert, 2001-09-26
318
319 * Bug fixes.
320
321 \f
322 version 1.13.24 - Paul Eggert, 2001-09-22
323
324 * New option --overwrite-dir.
325 * Fixes for buffer overrun, porting, and copyright notice problems.
326 * The message translations for Korean are available again.
327
328 \f
329 version 1.13.23 - Paul Eggert, 2001-09-13
330
331 * Bug, porting, and copyright notice fixes.
332
333 \f
334 version 1.13.22 - Paul Eggert, 2001-08-29
335
336 * Bug fixes.
337
338 \f
339 version 1.13.21 - Paul Eggert, 2001-08-28
340
341 * Porting and copyright notice fixes.
342
343 \f
344 version 1.13.20 - Paul Eggert, 2001-08-27
345
346 * Some bugs were fixed:
347 - security problems
348 - hard links to symbolic links
349
350 * New option --recursion (the default) that is the inverse of --no-recursion.
351
352 * New options --anchored, --ignore-case, --wildcards,
353 --wildcards-match-slash, and their negations (e.g., --no-anchored).
354 Along with --recursion and --no-recursion, these options control how
355 exclude patterns are interpreted.
356
357 * The default interpretation of exclude patterns is now --no-anchored
358 --no-ignore-case --recursion --wildcards --wildcards-match-slash.
359 This is a quiet change to the semantics of --exclude. The previous
360 semantics were a failed attempt at backward compatibility but it
361 became clear that the semantics were puzzling and did not satisfy
362 everybody. Rather than continue to try to revive that dead horse we
363 thought it better to substitute cleaner semantics, with options so
364 that you can change the behavior more to your liking.
365
366 * New message translations for Indonesian and Turkish.
367 The translation for Korean has been withdrawn due to encoding errors.
368 It will be reissued once those are fixed.
369
370 \f
371 version 1.13.19 - Paul Eggert, 2001-01-13
372
373 * The -I option has been withdrawn, as it was buggy and confusing.
374 Eventually it is planned to be reintroduced, with the same meaning as -T.
375
376 * With an option like -N DATE, if DATE starts with "/" or ".", it is taken
377 to be a file name; the last-modified time of that file is used as the date.
378
379 \f
380 version 1.13.18 - Paul Eggert, 2000-10-29
381
382 * Some security problems have been fixed. `tar -x' now modifies only
383 files under the working directory, unless you also specify an unsafe
384 option like --absolute-names or --overwrite.
385
386 * The short name of the --bzip option has been changed to -j,
387 and -I is now an alias for -T, for compatibility with Solaris tar.
388
389 * The manual is now distributed under the GNU Free Documentation License.
390
391 * The new environment variable TAR_OPTIONS holds default command-line options.
392
393 * The --no-recursion option now affects extraction too.
394
395 * The wording in some diagnostics has been changed slightly.
396
397 * Snapshot files now record whether each file was accessed via NFS.
398 The new file format is upward- and downward-compatible with the old.
399
400 * New language supported: da.
401
402 * Compilation by traditional (K&R) C compilers is no longer supported.
403 If you still use such a compiler, please use GCC instead.
404
405 * This version of tar works best with GNU gzip test version 1.3 or later.
406 Please see <ftp://alpha.gnu.org/gnu/gzip/>.
407
408 * `tar --delete -f -' now works again.
409
410 \f
411 version 1.13.17 - Paul Eggert, 2000-01-07.
412
413 * `tar --delete -f -' is no longer allowed; it was too buggy.
414 * Diagnostic messages have been made more regular and consistent.
415
416 \f
417 version 1.13.16 - Paul Eggert, 1999-12-13.
418
419 * By default, tar now refuses to overwrite an existing file when
420 extracting files from an archive; instead, it removes the file
421 before extracting it. If the existing file is a symbolic link, the
422 link is removed and not the pointed-to file. There is one
423 exception: existing nonempty directories are not removed, nor are
424 their ownerships or permissions extracted. This fixes some
425 longstanding security problems.
426
427 The new --overwrite option enables the old default behavior.
428
429 For regular files, tar implements this change by using the O_EXCL
430 option of `open' to ensure that it creates the file; if this fails, it
431 removes the file and tries again. This is similar to the behavior of
432 the --unlink-first option, but it is faster in the common case of
433 extracting a new directory.
434
435 * By default, tar now ignores file names containing a component of `..'
436 when extracting, and warns about such file names when creating an archive.
437 To enable the old behavior, use the -P or --absolute-names option.
438
439 * Tar now handles file names with multibyte encodings (e.g., UTF-8, Shift-JIS)
440 correctly. It relies on the mbrtowc function to handle multibyte characters.
441
442 * The file generated by -g or --listed-incremental now uses a format
443 that is independent of locale, so that users need not worry about
444 locale when restoring a backup. This is needed for proper support
445 of multibyte characters. Old-format files can still be read, and
446 older versions of GNU tar can read new-format files, unless member
447 names have multibyte chars.
448
449 * Many diagnostics have been changed slightly, so that file names are
450 now output unambiguously. File names in diagnostics now are either
451 `quoted like this' (in the default C locale) or are followed by
452 colon, newline, or space, depending on context. Unprintable
453 characters are escaped with a C-like backslash conventions.
454 Terminating characters (e.g., close-quote, colon, newline)
455 are also escaped as needed.
456
457 * tar now ignores socket files when creating an archive.
458 Previously tar archived sockets as fifos, which caused problems.
459
460 \f
461 version 1.13.15 - Paul Eggert, 1999-12-03.
462
463 * If a file's ctime changes when being archived, report an error.
464 Previously tar looked at mtime, which missed some errors.
465
466 \f
467 version 1.13.14 - Paul Eggert, 1999-11-07.
468
469 * New translations ja, pt_BR.
470 * New options --help and --version for rmt.
471 * Ignore Solaris door files when creating an archive.
472
473 \f
474 version 1.13.13 - Paul Eggert, 1999-10-11.
475
476 * Invalid headers in tar files now elicit errors, not just warnings.
477 * `tar --version' output conforms to the latest GNU coding standards.
478 * If you specify an invalid date, `tar' now substitutes (time_t) -1.
479 * `configure --with-dmalloc' is no longer available.
480
481 \f
482 version 1.13.12 - Paul Eggert, 1999-09-24.
483
484 * `tar' now supports hard links to symbolic links.
485
486 * New options --no-same-owner, --no-same-permissions.
487
488 * --total now also outputs a human-readable size, and a throughput value.
489
490 * `tar' now uses two's-complement base-256 when outputting header
491 values that are out of the range of the standard unsigned base-8
492 format. This affects archive members with negative or huge time
493 stamps or uids, and archive members 8 GB or larger. The new tar
494 archives cannot be read by traditional tar, or by older versions of
495 GNU tar. Use the --old-archive option to revert to the old
496 behavior, which uses unportable representations for negative values,
497 and which rejects large files.
498
499 * On 32-bit hosts, `tar' now assumes that an incoming time stamp T in
500 the range 2**31 <= T < 2**32 represents the negative time (T -
501 2**32). This behavior is nonstandard and is not portable to 64-bit
502 time_t hosts, so `tar' issues a warning.
503
504 * `tar' no longer gives up extracting immediately upon discovering
505 that an archive contains garbage at the end. It attempts to extract
506 as many files as possible from the good data before the garbage.
507
508 * A read error now causes a nonzero exit status, not just a warning.
509
510 * Some diagnostics have been reworded for consistency.
511
512 \f
513 version 1.13.11 - Paul Eggert, 1999-08-23.
514
515 * The short name of the --bzip option has been changed to -I,
516 for compatibility with paxutils.
517
518 * -T /dev/null now matches nothing; previously, it matched anything
519 if no explicit operands were given.
520
521 * The `--' option now works the same as with other GNU utilities;
522 it causes later operands to be interpreted as file names, not options,
523 even if they begin with `-'.
524
525 * For the --newer and --after-date options, the table of time zone
526 abbreviations like `EST' has been updated to match current practice.
527 Also, local time abbreviations are now recognized, even if they are
528 not in tar's hardwired table. Remember, though, that you should use
529 numeric UTC offsets like `-0500' instead of abbreviations like
530 `EST', as abbreviations are not standardized and are ambiguous.
531
532 \f
533 version 1.13.10 - Paul Eggert, 1999-08-20.
534
535 * `tar' now uses signed base-64 when outputting header values that are
536 out of the range of the standard unsigned base-8 format. [This
537 change was superseded in 1.13.12, described above.]
538
539 \f
540 version 1.13.9 - Paul Eggert, 1999-08-18.
541
542 * `tar' now writes two zero blocks at end-of-archive instead of just one.
543 POSIX.1 requires this, and some other `tar' implementations check for it.
544
545 * `tar' no longer silently accepts a block containing nonzero checksum bytes
546 as a zero block.
547
548 * `tar' now reads buggy tar files that have a null byte at the start of a
549 numeric header field.
550
551 \f
552 version 1.13.8 - Paul Eggert, 1999-08-16.
553
554 * For compatibility with traditional `tar', intermediate directories
555 created automatically by root are no longer given the uid and gid of
556 the original file or directory.
557
558 \f
559 version 1.13.7 - Paul Eggert, 1999-08-14.
560
561 * --listed-incremental and --newer are now incompatible options.
562
563 * When creating an archive, leading `./' is no longer stripped,
564 to match traditional tar's behavior (and simplify the documentation).
565
566 * --diff without --absolute-names no longer falls back on absolute names.
567
568 \f
569 version 1.13.6 - Paul Eggert, 1999-08-11.
570
571 * An --exclude pattern containing / now excludes a file only if it matches an
572 initial prefix of the file name; a pattern without / continues to
573 exclude a file if it matches any file name component.
574
575 * The protocol for talking to rmt has been extended slightly.
576 Open flags are now communicated in symbolic format as well as numeric.
577 The symbolic format (e.g., "O_WRONLY|O_CREAT|O_TRUNC") is for portability
578 when rmt is operating on a different operating system from tar.
579 The numeric format is retained, and rmt uses it if symbolic format is absent,
580 for backward compatibility with older versions of tar and rmt.
581
582 * When writing GNU tar format headers, tar now uses signed base-64
583 for values that cannot be represented in unsigned octal.
584 This supports larger files (2**66 - 1 bytes instead of 2**33 - 1 bytes),
585 larger uids, negative time stamps, etc.
586
587 * When extracting files with unknown ownership, tar now looks up the
588 uid and gid "nobody" on hosts whose headers do not define UID_NOBODY
589 and GID_NOBODY, and falls back on uid/gid -2 if there is no "nobody".
590
591 * tar -t --numeric-owner now prints numeric uids and gids, not symbolic.
592
593 * New option -y or --bzip2 for bzip2 compression, by popular request.
594
595 \f
596 version 1.13.5 - Paul Eggert, 1999-07-20.
597
598 * Do the delayed updates of file metadata even after a fatal error.
599
600 \f
601 version 1.13.4 - Paul Eggert, 1999-07-20.
602
603 * Do not chmod unless we are root or the -p option was given;
604 this matches historical practice.
605
606 \f
607 version 1.13.3 - Paul Eggert, 1999-07-16.
608
609 * A path name is excluded if any of its file name components matches an
610 excluded pattern, even if the path name was specified on the command line.
611 Also see 1.13.6 for later changes in this area.
612
613 \f
614 version 1.13.2 - Paul Eggert, 1999-07-14.
615
616 * Bug reporting address changed to <bug-tar@gnu.org>.
617
618 \f
619 version 1.13.1 - Paul Eggert, 1999-07-12.
620
621 * Bug fixes only.
622 \f
623 version 1.13 - Paul Eggert, 1999-07-08.
624
625 * Support for large files, e.g., files larger than 2 GB on many 32-bit hosts.
626 Also, support for larger uids, device ids, etc.
627 * Many bug fixes and porting fixes.
628 * This release is only for fixes. A more ambitious test release,
629 with new features, is available as part of the paxutils. Please see:
630 ftp://alpha.gnu.org/gnu/paxutils/
631 The fixes in this release are intended to be merged with paxutils
632 at some point, but they haven't been merged yet.
633 * An interim GNU tar alpha had new --bzip2 and --ending-file options,
634 but they have been removed to maintain compatibility with paxutils.
635 Please try --use=bzip2 instead of --bzip2.
636 \f
637 Version 1.12 - François Pinard, 1997-04.
638
639 Sensitive matters
640 * Use shell globbing patterns for --label, instead of regular expressions.
641 * Do not quote anymore internally over the quoting done by the shell.
642
643 Output for humans
644 * Offer internationalization capabilities of most recent GNU gettext.
645 * Messages available in many more languages, thanks to all translators!
646 * Usage of ISO 8601 dates in listings, instead of local American dates.
647 * More normalization and cleanup in error messages.
648
649 Creation
650 * For helping using tar with find, offer a --no-recursion option.
651 * Implement --numeric-owner for ignoring symbolic names at create time.
652 * New --owner, --group --mode options, still preliminary.
653 * Recognize creating an archive on /dev/null, so Amanda works faster.
654 * Object to the creation of an empty archive (like in `tar cf FILE').
655 * Barely start implementing --posix and POSIXLY_CORRECT.
656
657 Extraction
658 * Make a better job at restoring file and directory attributes.
659 * Automatically attempt deleting existing files when in the way.
660 * Option --unlink-first (-U) removes most files prior to extraction.
661 * Option --recursive-unlink removes non-empty directories when in the way.
662 * Option --numeric-owner ignores owner/group names, it uses UID/GID instead.
663 * Use global umask when creating missing intermediate directories.
664 * When symlinks are not available, extract symbolic links as hard links.
665 * Diagnose extraction of contiguous files as regular files.
666 * New --backup, --suffix and --version-control options.
667
668 Various changes
669 * Better support of huge archives with --tape-length and --totals.
670 * Rename option --read-full-blocks (-B) to --read-full-records (-B).
671 * Rename option --block-size (-b) to --blocking-factor (-b).
672 * Rename option --record-number (-R) to --block-number (-R).
673 * With --block-number (-R), report null blocks and end of file.
674 * Implement --record-size for introducing a size in bytes.
675 * Delete --block-compress option and rather decide it automatically.
676 * Rename option --modification-time to --touch.
677
678 Many bugs are squashed, while others still run free.
679 \f
680 Version 1.11.8 - François Pinard, 1995-06.
681
682 * Messages available in French, German, Portuguese and Swedish.
683 * The distribution provides a rudimentary Texinfo manual.
684 * The device defaults to stdin/stdout, unless overridden by the installer.
685 * Option --sparse (-S) should work on more systems.
686 * Option --rsh-command may select an alternative remote shell program.
687
688 Most changes are internal, and should yield better portability.
689 \f
690 Version 1.11.2 - Michael Bushnell, 1993-03.
691
692 * Changes in backup scripts: cleaned up considerably; notices error
693 conditions better over rsh; DUMP_REMIND_SCRIPT is now an option in
694 backup-specs; new file dump-remind is an example of a
695 DUMP_REMIND_SCRIPT.
696
697 * Superfluous "Reading dirname" was a bug; fixed.
698
699 * Incompatibility problems with a bug on Solaris are fixed.
700
701 * New option --gzip (aliases are --ungzip and -z); calls gzip instead
702 of compress. Also, --use-compress-program lets you specify any
703 compress program. --compress-block is renamed --block-compress and
704 now requires one of the three compression options to be specified.
705
706 * Several error messages are cleaned up.
707
708 * Directory owners are now set properly when running as root.
709
710 * Provide DUMP_REMIND_SCRIPT in backup-specs as a possible option
711 for --info-script.
712
713 * Behave better with broken rmt servers.
714
715 * Dump scripts no longer use --atime-preserve; this causes a nasty probem.
716
717 * Several Makefile cleanups.
718 \f
719 Version 1.11.1 - Michael Bushnell, 1992-09.
720
721 * Many bug fixes.
722 \f
723 Version 1.11 - Michael Bushnell, 1992-09.
724 Version 1.10.16 - 1992-07.
725 Version 1.10.15 - 1992-06.
726 Version 1.10.14 - 1992-05.
727 Version 1.10.13 - 1992-01.
728
729 * Many bug fixes.
730
731 * Now uses GNU standard configure, generated by Autoconf.
732
733 * Long options now use `--'; use of `+' is deprecated and support
734 for it will eventually be removed.
735
736 * New option --null causes filenames read by -T to be
737 null-terminated, and causes -C to be ignored.
738
739 * New option --remove-files deletes files (but not directories)
740 after they are added to the archive.
741
742 * New option --ignore-failed-read prevents read-errors from affecting
743 the exit status.
744
745 * New option --checkpoint prints occasional messages as the tape
746 is being read or written.
747
748 * New option --show-omitted-dirs prints the names of directories
749 omitted from the archive.
750
751 * Some tape drives which use a non-standard method of indicating
752 end-of-tape now work correctly with multi-tape archives.
753
754 * --volno-file: Read the volume number used in prompting the user
755 (but not in recording volume ID's on the archive) from a file.
756
757 * When using --multi-volume, you can now give multiple -f arguments;
758 the various tape drives will get used in sequence and then wrap
759 around to the beginning.
760
761 * Remote archive names no longer have to be in /dev: any file with a
762 `:' is interpreted as remote. If new option --force-local is given,
763 then even archive files with a `:' are considered local.
764
765 * New option --atime-preserve restores (if possible) atimes to
766 their original values after dumping the file.
767
768 * No longer does tar confusingly dump "." when you don't tell it
769 what to dump.
770
771 * When extracting directories, tar now correctly restores their
772 modification and access times.
773
774 * Longnames support is redone differently--long name info directly
775 precedes the long-named file or link in the archive, so you no
776 longer have to wait for the extract to hit the end of the tape for
777 long names to work.
778 \f
779 Version 1.10 - Michael Bushnell, 1991-07.
780
781 * Filename to -G is optional. -C works right. Names +newer and
782 +newer-mtime work right.
783
784 * -g is now +incremental, -G is now +listed-incremental.
785
786 * Sparse files now work correctly.
787
788 * +volume is now called +label.
789
790 * +exclude now takes a filename argument, and +exclude-from does
791 what +exclude used to do.
792
793 * Exit status is now correct.
794
795 * +totals keeps track of total I/O and prints it when tar exits.
796
797 * When using +label with +extract, the label is now a regexp.
798
799 * New option +tape-length (-L) does multi-volume handling like BSD
800 dump: you tell tar how big the tape is and it will prompt at that
801 point instead of waiting for a write error.
802
803 * New backup scripts level-0 and level-1 which might be useful
804 to people. They use a file "backup-specs" for information, and
805 shouldn't need local modification. These are what we use to do
806 all our backups at the FSF.
807 \f
808 Version 1.09 - Jay Fenlason, 1990-10.
809 Version 1.08 - Jay Fenlason, 1990-01.
810 Versions 1.07 back to 1.00 by Jay Fenlason.
811
812 * See ChangeLog for more details.
813
814 \f
815
816 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003,
817 2004, 2005, 2006 Free Software Foundation, Inc.
818
819 This file is part of GNU tar.
820
821 GNU tar is free software; you can redistribute it and/or modify
822 it under the terms of the GNU General Public License as published by
823 the Free Software Foundation; either version 2, or (at your option)
824 any later version.
825
826 GNU tar is distributed in the hope that it will be useful,
827 but WITHOUT ANY WARRANTY; without even the implied warranty of
828 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
829 GNU General Public License for more details.
830
831 You should have received a copy of the GNU General Public License
832 along with tar; see the file COPYING. If not, write to
833 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
834 Boston, MA 02110-1301, USA.
835 \f
836 Local variables:
837 mode: outline
838 paragraph-separate: "[ \f]*$"
839 end:
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