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version 1.25 - Sergey Poznyakoff, 2010-11-07
* Fix extraction of empty directories with the -C option in effect.
* Fix extraction of device nodes.
* Make sure name matching occurs before eventual name transformation.
Tar 1.24 changed the ordering of name matching and name transformation
so that the former saw already transformed file names. This made it
impossible to match file names in certain cases. It is fixed now.
* Fix the behavior of tar -x --overwrite on hosts lacking O_NOFOLLOW.
* Improve the testsuite.
* Alternative decompression programs.
If extraction from a compressed archive fails because the corresponding
compression program is not installed and the following two conditions
are met, tar retries extraction using an alternative decompressor:
1. Another compression program supported by tar is able to handle this
compression format.
2. The compression program was not explicitly requested in the command
line by the use of such options as -z, -j, etc.
For example, if `compress' is not available, tar will try `gzip'.
version 1.24 - Sergey Poznyakoff, 2010-10-24
* The --full-time option.
New command line option `--full-time' instructs tar to output file
time stamps to the full resolution.
* Bugfixes.
** More reliable directory traversal when creating archives
Tar now checks for inconsistencies caused when a file system is
modified while tar is creating an archive. In the new approach, tar
maintains a cache of file descriptors to directories, so it uses more
file descriptors than before, but it adjusts to system limits on
the number of file descriptors. Tar also takes more care when
a file system is modified while tar is extracting from an archive.
The new checks are implemented via the openat and related calls
standardized by POSIX.1-2008. On an older system where these calls do
not exist or do not return useful results, tar emulates the calls at
some cost in efficiency and reliability.
** Symbolic link attributes
When extracting symbolic links, tar now restores attributes such as
last-modified time and link permissions, if the operating system
supports this. For example, recent versions of the Linux kernel
support setting times on symlinks, and some BSD kernels also support
symlink permissions.
** --dereference consistency
The --dereference (-h) option now applies to files that are copied
into or out of archives, independently of other options. For example,
if F is a symbolic link and archive.tar contains a regular-file member
also named F, "tar --overwrite -x -f archive.tar F" now overwrites F
itself, rather than the file that F points to. (To overwrite the file
that F points to, add the --dereference (-h) option.) Formerly,
--dereference was intended to apply only when using the -c option, but
the implementation was not consistent.
Also, the --dereference option no longer affects accesses to other
files, such as archives and time stamp files. Symbolic links to these
files are always followed. Previously, the links were usually but not
always followed.
** Spurious error diagnostics on broken pipe.
When receiving SIGPIPE, tar would exit with error status and
"write error" diagnostics. In particular, this occurred if
invoked as in the example below:
tar tf archive.tar | head -n 1
** --remove-files
`Tar --remove-files' failed to remove a directory which contained
symlinks to another files within that directory.
** --test-label behavior
In case of a mismatch, `tar --test-label LABEL' exits with code 1,
not 2 as it did in previous versions.
The `--verbose' option used with `--test-label' provides additional
diagnostics.
Several volume labels may be specified in a command line, e.g.:
tar --test-label -f archive 'My volume' 'New volume' 'Test volume'
In this case, tar exits with code 0 if any one of the arguments
matches the actual volume label.
** --label used with --update
The `--label' option can be used with `--update' to prevent accidental
update of an archive:
tar -rf archive --label 'My volume' .
This did not work in previous versions, in spite of what the docs said.
** --record-size and --tape-length (-L) options
Usual size suffixes are allowed for these options. For example,
-L10k stands for a 10 kilobyte tape length.
** Fix dead loop on extracting existing symlinks with the -k option.
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All self-tests pass under NetBSD-current.
Changes: 3.5 years worth of development; too much to list here.
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through PLIST_SUBST to the plist module.
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PKGLOCALEDIR and which install their locale files directly under
${PREFIX}/${PKGLOCALEDIR} and sort the PLIST file entries. From now
on, pkgsrc/mk/plist/plist-locale.awk will automatically handle
transforming the PLIST to refer to the correct locale directory.
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the PLIST conditionals.
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in configure.ac was a little backwards....)
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changes:
- enable installation of grmt
changes in gtar:
version 1.15.1 - Sergey Poznyakoff, 2004-12-21
This version fixes a bug introduced in 1.15 which caused
tar to refuse to extract files from standard input.
version 1.15 - Sergey Poznyakoff, 2004-12-20
* Compressed archives are recognised automatically, it is no longer
necessary to specify -Z, -z, or -j options to read them. Thus, you can
now run `tar tf archive.tar.gz'.
* When restoring incremental dumps, --one-file-system option
prevents directory hierarchies residing on different devices
from being purged.
With the previous versions of tar it was dangerous to create
incremental dumps with --one-file-system option, since they
would recursively remove mount points when restoring from the
back up. This change fixes the bug.
* Renamed --strip-path to --strip-components for consistency with
the GNU convention.
* Skipping archive members is sped up if the archive media supports
seeks.
* Restore script starts restoring only if it is given --all (-a) option,
or some patterns. This is to prevent accidental restores.
* `tar --verify' prints a warning if during archive creation some of
the file names had their prefixes stripped off.
* New option --exclude-caches instructs tar to exclude cache directories
automatically on archive creation. Cache directories are those
containing a standardized tag file, as specified at:
http://www.brynosaurus.com/cachedir/spec.html
* New configure option --with-rmt allows to specify full path name to
the `rmt' utility. This supercedes DEFAULT_RMT_COMMAND variable
introduced in version 1.14
* New configure variable DEFAULT_RMT_DIR allows to specify the directory
where to install `rmt' utility. This is necessary since modifying
--libexecdir as was suggested for version 1.14 produced a side effect: it
also modified installation prefix for backup scripts (if
--enable-backup-scripts was given).
* Bugfixes:
** Fixed flow in recognizing files to be included in incremental dumps.
** Correctly recognize sparse archive members when used with -T option.
** GNU multivolume headers cannot store filenames longer than 100 characters.
Do not allow multivolume archives to begin with such filenames.
** If a member with link count > 2 was stored in the archive twice,
previous versions of tar were not able to extract it, since they
were trying to link the file to itself, which always failed and
lead to removing the already extracted copy. Preserve the first
extracted copy in such cases.
** Restore script was passing improper argument to tar --listed option (which
didn't affect the functionality, but was logically incorrect).
** Fixed verification of created archives.
** Fixed unquoting of file names containing backslash escapes (previous
versions failed to recognize \a and \v).
** When attempting to delete a non-existing member from the archive, previous
versions of tar used to overwrite last archive block with zeroes.
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XXX: man page not updated (didn't find new version of suse
gtar man page which we're using in the package)
version 1.14 - Sergey Poznyakoff, 2004-05-11
* Added support for POSIX.1-2001 and ustar archive formats.
* New option --format allows to select the output archive format
* The default output format can be selected at configuration time
by presetting the environment variable DEFAULT_ARCHIVE_FORMAT.
Allowed values are GNU, V7, OLDGNU and POSIX.
* New option --strip-path allows to cut off a given number of
path elements from the name of the file being extracted.
* New options --index-file, --no-overwrite-dir. The --overwrite-dir
option is now the default; use --no-overwrite-dir if you prefer
the previous default behavior.
* The semantics of -o option is changed. When extracting, it
does the same as --no-same-owner GNU tar option. This is compatible
with UNIX98 tar. Otherwise, its effect is the same as that of
--old-archive option. This latter is deprecated and will be removed
in future.
* New option --check-links prints a message if not all links are dumped
for a file being archived. This corresponds to the UNIX98 -l option.
The current semantics of the -l option is retained for compatibility
with previous releases, however such usage is strongly deprecated as
the option will change to its UNIX98 semantics in the future releases.
* New option --occurrence[=N] can be used in conjunction with one of
the subcommands --delete, --diff, --extract or --list when a list of
files is given either on the command line or via -T option. This
option instructs tar to process only the Nth occurrence of each named
file. N defaults to 1, so `tar -x -f archive --occurrence filename'
extracts the first occurrence of `filename' from `archive'
and terminates without scanning to the end of the archive.
* New option --pax-option allows to control the handling of POSIX
keywords in `pax' extended headers. It is equivalent to `pax'
-o option.
* --incremental and --listed-incremental options work correctly on
individual files, as well as on directories.
* New scripts: backup (replaces old level-0 and level-1) and restore.
The scripts are compiled and installed if --enable-backup-scripts
option is given to configure.
* By default tar searches "rmt" utility in "$prefix/libexec/rmt",
which is consistent with the location where the version of "rmt"
included in the package is installed. Previous versions of tar
used "/etc/rmt". To install "rmt" to its traditional location,
run configure with option --libexecdir=/etc. Otherwise, if you
already have rmt installed and wish to use it, instead of the
shipped in version, set the variable DEFAULT_RMT_COMMAND to
the full path name of the utility, e.g. ./configure
DEFAULT_RMT_COMMAND=/etc/rmt.
Notice also that the full path name of the "rmt" utility to
use can be set at runtime, by giving option --rmt-command to
tar.
* Removed obsolete command line options:
** --absolute-paths superseded by --absolute-names
** --block-compress is not needed any longer
** --block-size superseded by --blocking-factor
** --modification-time superseded by --touch
** --read-full-blocks superseded by --read-full-records
** --record-number superseded by --block-number
** --version-control superseded by --backup
* New message translations fi (Finnish), gl (Galician), hr (Croatian),
hu (Hungarian), ms (Malaysian), nb (Norwegian), ro (Romanian), sk
(Slovak), zh_CN (Chinese simplified), zh_TW (Chinese traditional).
The code 'no' for Norwegian (Bokmål) has been withdrawn; use 'nb' instead.
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with "g" prefix. Allow this to be optionally forced by defining
GTAR_PROGRAM_PREFIX. If GTAR_PROGRAM_PREFIX is set to nothing,
then conflict with pax, because both install a "tar".
So now the default is to install as "gtar" even if GNU_PROGRAM_PREFIX
is set to "".
Bump package revision for this.
This is for part of my PR #22693.
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Make sure a ${PREFIX}/bin/gtar exists independent of ${GNU_PROGRAM_PREFIX},
since it's needed for pkgsrc, and make pkgsrc use ${PREFIX}/bin/gtar.
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Summary of changes (see NEWS and Changelog from the distribution for details):
- don't allow absolute paths, and path containing ../
* New option --overwrite-dir
* New option --recursion (the default) that is the inverse of --no-recursion.
* New options --anchored, --ignore-case, --wildcards,
--wildcards-match-slash, and their negations (e.g., --no-anchored).
Along with --recursion and --no-recursion, these options control how
exclude patterns are interpreted.
* The default interpretation of exclude patterns is now --no-anchored
--no-ignore-case --recursion --wildcards --wildcards-match-slash.
* The --no-recursion option now affects extraction too.
* New options --no-same-owner, --no-same-permissions.
* New option -y or --bzip2 for bzip2 compression, by popular request.
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have been converted to USE_BUILDLINK2.
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