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Edit File: ChangeLog

2017-12-17  Sergey Poznyakoff  <gray@gnu.org>

Version 1.30

* configure.ac: Set version 1.30
	* NEWS: Update.

2017-11-20  Paul Eggert  <eggert@cs.ucla.edu>

Fix "concatenating" typo.

Problem reported by Rodrigo Queiro in:
	https://lists.gnu.org/r/bug-tar/2017-11/msg00021.html
	* doc/intern.texi (Extensions): Fix typo.

2017-11-18  Paul Eggert  <eggert@cs.ucla.edu>

Port to gcc -Wimplicit-fallthrough=5

* src/common.h (FALLTHROUGH): New macro, for use with gcc
	-Wimplicit-fallthrough=5, which is now the default when used with
	Gnulib after commit 2017-05-16T16:23:52!eggert@cs.ucla.edu
	and with --enable-gcc-warnings

2017-11-18  Paul Eggert  <eggert@cs.ucla.edu>

Port to Texinfo 6.4

* doc/tar.texi (Sparse Recovery): Omit ‘.’ from anchor name,
	as ‘makeinfo’ now complains about it.  All uses changed.

2017-11-18  Paul Eggert  <eggert@cs.ucla.edu>

Document base-256 representation in GNU format

Problem reported by Rodrigo Queiro in:
	https://lists.gnu.org/r/bug-tar/2017-11/msg00018.html
	* doc/intern.texi (Standard, Extensions):
	Document base-256 representations.

2017-11-18  Paul Eggert  <eggert@cs.ucla.edu>

build: update gnulib submodule to latest

2017-11-18  Paul Eggert  <eggert@cs.ucla.edu>

Fix typo caught by GCC 7.2.1

* lib/wordsplit.c (wordsplit_perror): Add missing "break;".

2017-11-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Update docs

* doc/Makefile.am: Add recipes.texi
	* doc/recipes.texi: New file.
	* doc/tar.texi: New appendix "Recipes"

2017-11-16  Pavel Raiskup  <praiskup@redhat.com>

tests: more deterministic xattr07

* tests/xattr07.at: Define order of files within tested archive.

2017-11-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Minor improvements in the docs.

2017-11-16  Sergey Poznyakoff  <gray@gnu.org.ua>

New option --warning=failed-read

* NEWS: Document the --warning=failed-read option.
	* doc/tar.texi: Likewise.
	* doc/tar.1: Likewise.
	* src/common.h (WARN_FAILED_READ): New constant.
	(WARNING_ENABLED): New macro.
	* src/misc.c (close_diag, open_diag)
	(read_diag_details, readlink_diag)
	(savedir_diag, seek_diag_details)
	(stat_diag): Suppress warnings if WARN_FAILED_READ is set.
	* src/warning.c (failed-read): New keyword.

2017-11-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix docs

* doc/tar.texi: Fix description of the argument to
	--xattrs-exclude
	and --xattrs-include option. It is a globbing pattern, not
	a regex.

Fix a typo (LZOP)

2017-11-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix the --delay-directory-restore option

* src/extract.c (find_direct_ancestor): New function.
	(create_placeholder_file): Set after_links member on
	delayed_set_stat
	entries starting from the direct ancestor of the placeholder file.

* tests/extrac21.at: New testcase.
	* tests/testsuite.at: Add extrac21
	* tests/Makefile.am: Likewise.

* NEWS: Update.

2017-11-09  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix reporting of hardlink mismatch during compare

* src/common.h (quote_n_colon): New prototype.
	* src/misc.c (quote_n_colon): New function.
	* src/compare.c (report_difference, diff_link): Use quote_n_colon.

* tests/difflink.at: New file.
	* tests/Makefile.am: Add difflink.at
	* tests/testsuite.at: Likewise.

2017-11-09  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix --verbatim-files-from

* src/names.c (read_next_name): Don't unquote name read from the
	file, if --verbatim-files-from option is in effect.
	(names_options): improve description of --verbatim-files-from
	* tests/T-null2.at: Test the change.

2017-11-09  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix typo

* doc/tar.texi

2017-09-30  Sergey Poznyakoff  <gray@gnu.org>

Fix the effect of --transform over hard link targets without
	the --absolute-names

* src/create.c (file_count_links): Apply safer_name_suffix to the
	hard link name prior to transforming it.
	* tests/xform03.at: New test case.
	* tests/Makefile.am: Add xform03.at
	* tests/testsuite.at: Likewise.

2017-08-24  Sergey Poznyakoff  <gray@gnu.org>

Bugfix

* src/tar.c (tar_help_filter): Add missing break statement

2017-06-29  Troels Thomsen  <troels@thomsen.io>

Fix typo

2017-05-29  Pavel Raiskup  <praiskup@redhat.com>

Fix non-deterministic archive type detection

Due to analysis of partly uninitialized read-ahead buffer
	(short_read call), we sometimes mistakenly classified very small
	compressed archives as non-compressed; which in turn caused
	extraction failure.

* src/buffer.c (check_compressed_archive): Don't assume that
	archives smaller than BLOCKSIZE could be non-compressed, as tar
	header always has at least one block.

2017-05-29  Jonas Julino  <ml-julino@1und1.de>
	    Sergey Poznyakoff  <gray@gnu.org.ua>

Fix handling of directories removed during incremental tar run

* paxutils: Upgrade
	* src/create.c (create_archive): Use file_removed_diag
	instead of calling the corresponding *_diag function
	directly.
	* tests/dirrem01.at: New testcase.
	* tests/dirrem02.at: New testcase.
	* tests/Makefile.am: Add new tests.
	* tests/testsuite.at: Likewise.

2017-05-29  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix a bug in multi-volume archive creation.

When creating multivolume archives, the bufmap code in buffer.c
	implicitly assumed that the members are stored in the archive
	contiguously, ignoring the member (and eventual extended) headers
	between them.  This worked until the member header happened to be
	at the very beginning of the volume, in which case its length was
	included in the calculation of the stored size and size left to
	store.	Due to this, the GNUFileParts extended header contained
	invalid GNU.volume.offset value, and the resulting archive failed
	to extract properly.

This patch also eliminates improper listing of file part headers
	as regular files, when creating multivolume posix archives
	with -v.

* src/buffer.c (bufmap): New member nblocks.  Counts number
	of blocks
	of file data written since reset.
	(bufmap_reset): Reset nblocks to 0.
	(_flush_write): Update nblocks.  When computing offset difference
	for
	bufmap_reset, count only data blocks, not headers.
	(close_archive): Flush archive until all blocks are written.
	(add_chunk_header): Use simple_finish_header instead of
	finish_header
	to avoid listing chunk header as regular file in verbose mode.
	* tests/multiv10.at: New test case.
	* tests/Makefile.am: Add new test.
	* tests/testsuite.at: Add new test.

2017-04-07  Paul Eggert  <eggert@cs.ucla.edu>

--numeric-owner now affects private headers too

Problem reported by Daniel Peebles in:
	http://lists.gnu.org/archive/html/bug-tar/2017-04/msg00004.html
	* NEWS: Document this.
	* src/create.c (write_gnu_long_link): If --numeric-owner,
	leave the user and group empty in a private header.  Cache the
	names for 0.

2017-02-28  Pavel Raiskup  <praiskup@redhat.com>

Test and document --keep-directory-symlink

* doc/tar.1: Document the option.
	* tests/extrac20.at: New testcase.
	* tests/Makefile.am: Mention extrac20.
	* tests/testsuite.at: Likewise.

2017-02-14  Paul Eggert  <eggert@cs.ucla.edu>

Fix incompatibility with PGI 16.10

* src/tar.c (options): Fix incompatibility with the C standard,
	which says that arguments to macro calls cannot contain #
	directives.

2017-01-02  Sergey Poznyakoff  <gray@gnu.org>

Update copyright years

2016-11-12  Sergey Poznyakoff  <gray@gnu.org>

Fix description of the "escape" quoting style

2016-11-12  Sergey Poznyakoff  <gray@gnu.org>

Better error checking in the backup script.

* scripts/backup.in: Check exit code of MT_BEGIN
	* scripts/backup.sh.in (backup_host): Return meaningful code
	in case of remote execution.  See the comment, though.

2016-11-12  Sergey Poznyakoff  <gray@gnu.org>

Minor documentation fix

* doc/tar.texi: Fix example about use of --no-recursion with -T

2016-11-12  Sergey Poznyakoff  <gray@gnu.org>

Fix the --add-file option.

* src/common.h (name_more_files): New proto.
	(files_from_option): Remove.
	* src/names.c (name_more_files): New file.
	(names_options): Fix declaration of the
	add-file option.
	(names_parse_opt): Handle --add-file.
	* src/tar.c (struct tar_args): Remove the input_files member.
	Change all uses: use name_more_files() instead.
	* tests/Makefile.am: Add new test.
	* tests/add-file.at: New testcase.
	* tests/testsuite.at: Add new test.

2016-11-11  Sergey Poznyakoff  <gray@gnu.org.ua>

Add missing files

2016-11-11  Pavel Raiskup  <praiskup@redhat.com>

don't set xattrs when --skip-old-files is used

* src/extract.c (set_xattr): Properly handle maybe_recoverable()
	output.  Throw warnings to not complicate caller.
	(extract_file): Don't handle set_xattr's error.
	* tests/xattr07.at: New testcase.
	* tests/Makefile.am: Mention new testcase.
	* tests/testsuite.at: Likewise.
	* THANKS: Dawid.

2016-11-11  Sergey Poznyakoff  <gray@gnu.org.ua>

Minor fix

* src/tar.h (tar_stat_info): Change type of real_size_set to bool

2016-11-11  Pavel Raiskup  <praiskup@redhat.com>

sparse: fix pax extraction for unicode filenames

Make sure that 'GNU.sparse.name' header has higher priority than
	(for sparse-purposes artificially modified) 'path' pax header.

Historically, the 'GNU.sparse.name' header comes before 'path';
	this caused that modified 'path' header won and that is not what
	we want in sparse "capable" tar implementation.

* src/tar.h (tar_stat_info): New argument sparse_name_done.
	* src/xheader.c (raw_path_decoder): Move here the unconditional
	code from path_decoder.
	(path_decoder): Apply raw_path_decoder only if sparse_path_decoder
	was not yet called.
	(sparse_path_decoder): New wrapper around raw_path_decoder.
	* tests/sparse07.at: New testcase.
	* tests/testsuite.at: Mention new testcase.
	* tests/Makefile.am: Likewise.

2016-11-10  Pavel Raiskup  <praiskup@redhat.com>

* tests/xattr06.at: Test include/exclude during archive/exctract.

2016-11-10  Ian McLeod	<imcleod@redhat.com>

Bugfix - fix xattr exclude/include for archive create

This makes archive create behavior consistent with the
	documentation.	Without this change xattr include/exclude options
	are accepted when creating an archive but are silently ignored.

* src/xattrs.c (xattrs_xattrs_get): Apply exclude/include mask
	when fetching extended attributes
	* tests/Makefile.am: Add new test case.
	* tests/testsuite.at: Likewise.

2016-10-30  Paul Eggert  <eggert@Penguin.CS.UCLA.EDU>

When extracting, skip ".." members

* NEWS: Document this.
	* src/extract.c (extract_archive): Skip members whose names
	contain "..".

2016-09-26  Sergey Poznyakoff  <gray@gnu.org.ua>

Mark all tests related to -C option with the "chdir" keyword

2016-09-26  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix interaction of -u with -C

* src/update.c (update_archive): Pass correct change_dir
	value for addname
	* tests/update03.at: New file.
	* tests/Makefile.am: Add update03.at
	* tests/testsuite.at: Include update03.at

2016-09-21  Sergey Poznyakoff  <gray@gnu.org>

Fix passing string values via TAR_OPTIONS

* src/tar.c (parse_default_options): Don't free parsed words.
	* tests/options03.at: New testcase.
	* tests/Makefile.am: Add options03.at
	* tests/testsuite.at: Include options03.at

2016-05-28  Sergey Poznyakoff  <gray@gnu.org.ua>

Tiny bugfix

2016-05-27  Sergey Poznyakoff  <gray@gnu.org.ua>

Report positional options that were used but had no effect during
	archive creation

* src/names.c (file_selection_option)
	(file_selection_option_name): New functions.
	(unconsumed_option_push, unconsumed_option_free)
	(unconsumed_option_report): New functions.
	(name_list_advance): Maintain a list
	of eventually unconsumed options during archive creation.
	Report unconsumed options, if any.

* tests/positional01.at: New test case.
	* tests/positional02.at: New test case.
	* tests/positional03.at: New test case.
	* tests/Makefile.am: Add new test cases.
	* tests/testsuite.at: Likewise.

* NEWS: Document the changes.
	* configure.ac: Version 1.29.90
	* doc/tar.texi: Document the changes.

2016-05-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Version 1.29

2016-05-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Minor fix

* src/names.c (new_name): rename to make_file_name. All uses
	changed.

2016-04-14  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix argument handling when running external commands.

* src/system.c (xexec): Use sh -c to run the command.  This fixed
	bug introduced by 7b5e80396 (tar 1.27)
	* doc/tar.texi: Fix checkpoint examples: (1) $TAR_FILENAME
	is not available when creating archive and (2) --checkpoint
	can't be used as abbreviation of --checkpoint-action

2016-04-06  Sergey Poznyakoff  <gray@gnu.org.ua>

Remove iotty test

The auxiliary utility ttyemu proved to be unreliable.
	Given existing
	differences between pty implementations and termios ioctls
	on various
	platforms, writing it in a portable way requires effort
	disproportional
	to its actual purpose.

* configure.ac: Remove check for grantpt
	* gnulib.modules: Remove posix_openpt, ptsname, and unlockpt
	* tests/Makefile.am (TESTSUITE_AT): Remove iotty.at
	(check_PROGRAMS): Remove ttyemu.
	* tests/testsuite.at: Remove iotty.at
	* tests/iotty.at: Remove.
	* tests/ttyemu.c: Remove.

2016-04-05  Pavel Raiskup  <praiskup@redhat.com>

xattrs: fix build on Darwin

Be careful to define HAVE_XATTRS when not all needed xattr-related
	functions are properly defined either in libc or libattr.

Reported independently by Denis Excoffier and Dominyk Tille.

* acinclude.m4 (TAR_HEADERS_ATTR_XATTR_H): Check for each xattr
	function separately.  Don't AC_CHECK_LIB (LIBS is filled by
	AC_SEARCH_LIBS when necessary).
	* src/Makefile.am: The LDADD -lattr was redundant.

2016-03-24  Sergey Poznyakoff  <gray@gnu.org.ua>

Remove --preserve option

* src/tar.c: Remove --preserve option
	* NEWS: Update.
	* doc/tar.texi: Update.

2016-03-24  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix testcase

* tests/time02.at: Sort tar -d output

2016-03-24  Sergey Poznyakoff  <gray@gnu.org.ua>

Update THANKS file

2016-03-24  Jeremy Bobbio  <lunar@debian.org>

New option --clamp-mtime

The new `--clamp-mtime` option will change the behavior of
	`--mtime` to only
	use the time specified if the file mtime is newer than the
	given time.
	The `--clamp-mtime` option can only be used together with
	`--mtime`.

Typical use case is to make builds reproducible: to loose less
	information, it's better to keep the original date of an archive,
	except for
	files modified during the build process. In that case, using
	a reference
	(and thus reproducible) timestamps for the latter is good
	enough. See
	<https://wiki.debian.org/ReproducibleBuilds> for more information.

Patch submitted by Jeremy Bobbio and
	Daniel Kahn Gillmor <dkg@fifthhorseman.net>

* doc/tar.1: Document --clamp-mtime
	* doc/tar.texi: Likewise.

* src/common.h (set_mtime_option_mode): New enum
	(set_mtime_option): Change type to enum set_mtime_option_mode.
	(NEWER_OPTION_INITIALIZED): Rename to NEWER_OPTION_INITIALIZED.
	* src/create.c (start_header): Set mtime depending on
	set_mtime_option.
	* src/tar.c (options,parse_opt): New option --clamp-mtime
	(decode_options): Initialize mtime_option

* tests/time02.at: New testcase.
	* tests/Makefile.am: Add new testcase
	* tests/testsuite.at: Likewise.

2016-03-21  Sergey Poznyakoff  <gray@gnu.org.ua>

Acknowledgments

* THANKS: Add Dagobert Michelsen

2016-03-21  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix the testsuite

* tests/sparse06.at: Don't use timeout: depending on the
	filesystem
	mounted, current LA and lots of other factors, creation of
	archive can
	take much more time than the expected 2 seconds.

2016-03-21  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix ckmtime

* gnulib.modules: Use timespec-sub
	* tests/ckmtime.c: Use second resolution.

2016-03-20  Sergey Poznyakoff  <gray@gnu.org>

Fix the testsuite

* tests/sparse05.at: Use autom4te magic to generate mapfile,
	instead of the shell command seq, which is not always available.
	* tests/listed03.at: Skip the test if xgetcwd fails.
	* tests/ckmtime.c: New file.
	* tests/Makefile.am: Build ckmtime
	* tests/testsuite.at (AT_CHECK_TIMESTAMP): Check whether newly
	created
	files have timestamps consistent with the creation time.
	Skip the test
	if not.
	* tests/incr01.at: Use AT_CHECK_TIMESTAMP
	* tests/incr02.at: Likewise.
	* tests/incr03.at: Likewise.
	* tests/incr04.at: Likewise.
	* tests/incr05.at: Likewise.
	* tests/incr06.at: Likewise.
	* tests/incr07.at: Likewise.
	* tests/incr08.at: Likewise.
	* tests/incr09.at: Likewise.
	* tests/incr10.at: Likewise.
	* tests/incr11.at: Likewise.
	* tests/incremental.at: Likewise.
	* tests/listed01.at: Likewise.
	* tests/listed02.at: Likewise.
	* tests/listed04.at: Likewise.
	* tests/listed05.at: Likewise.

2016-03-18  Sergey Poznyakoff  <gray@gnu.org.ua>

Testsuite fixes.

* paxutils: Update.
	* src/unlink.c (flush_deferred_unlinks): OpenSolaris sets EEXIST
	instead of ENOTEMPTY if trying to remove a non-empty directory.
	* tests/numeric.at: Avoid using awk -v: some older awks don't
	support
	that option.  Also fix environment variable usage.
	* tests/onetop05.at: Skip test if unable to set initial directory
	mode bits.
	* tests/sparse06.at: Use --quiet option.

2016-03-18  Sergey Poznyakoff  <gray@gnu.org.ua>

Revise docs

2016-03-18  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix build with --enable-gcc-warnings

* configure.ac: Disable stack-protector warnings

2016-03-17  Sergey Poznyakoff  <gray@gnu.org.ua>

Improve testsuite

* tests/iotty.at: Skip test if ttyemu can't do its job

2016-03-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Document xattrs, ACL and SELinux-related options.

* doc/tar.1: Document all options.
	* doc/tar.texi: Likewise.

2016-03-15  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix appending to archive with changed blocking factor.

* src/buffer.c (flush_archive): If previous reading attempt
	resulted
	in short read, correctly use the remaining record space.
	(backspace_output): Fix position calculation (still has to be
	improved).

* tests/append05.at: New test case.
	* tests/Makefile.am: Add new test.
	* tests/testsuite.at: Likewise.

2016-03-14  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix coredump on parsing invalid traditional option

* src/tar.c (find_argp_option): Fix loop termination condition.

2016-01-20  Sergey Poznyakoff  <gray@gnu.org.ua>

Update copyright years

2016-01-20  Sergey Poznyakoff  <gray@gnu.org.ua>

Allow escaped delimiters in transform expressions.

Patch provided by Charles McGarvey and Flavio Poletti.

* src/transform.c (parse_transform_expr): Allow escaped delimiters
	in transform expressions.
	* tests/xform02.at: New test case.
	* tests/Makefile.am: Add xform02.at
	* tests/testsuite.at: Include xform02.at
	* THANKS: Update.

2015-12-17  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix eventual dereference of uninitialized pointer.

* src/exclist.c (hg_initfn): Initialize hgopt.

2015-12-17  Pavel Raiskup  <praiskup@redhat.com>

sparse: fix use of indeterminate value

* src/xheader.c (sparse_map_decoder): Move 'e' up from loop-block.

2015-12-11  Sergey Poznyakoff  <gray@gnu.org.ua>

fix a typo

* doc/tar.texi (Incremental Dumps): Add missing --file to the
	'--list' example.

2015-12-11  Sergey Poznyakoff  <gray@gnu.org.ua>

Minor fixes.

* doc/tar.texi: Document position-sensitive options in a
	separate subsection.
	* src/names.c (names_argp,names_argp_children): Explicitly
	initialize
	all members.

2015-12-11  Sergey Poznyakoff  <gray@gnu.org>

Minor fix

2015-12-11  Sergey Poznyakoff  <gray@gnu.org>

Fix handling of filename-selection options.

Filename-selection options are --wildcards, --recursive, etc. (see
	names.c for a complete list).  These options are
	position-sensitive,
	i.e. each such option affects all filenames and filename-selection
	options that appear after it until eventually cancelled by a
	corresponding counterpart option.

These options can appear in "file-from" file lists, which
	means that
	they cannot be handled right away, but instead should be put on
	the "name_elt" list and processed sequentionally, as file name
	arguments
	are.

* src/common.h (warn_regex_usage): Remove.
	(name_add_name): Change signature.
	(name_add_dir, name_add_file): Remove prototypes.
	* src/names.c (name_add_option, name_add_dir)
	(name_add_file): Static functions.
	(names_options, is_file_selection_option, names_parse_opt):
	Static functions.
	(names_argp_children): New variable.
	(NELT_NAME, NELT_CHDIR)
	(NELT_FILE, NELT_NOOP): Redefine as enum nelt_type.
	(NELT_FMASK): Remove.
	(NELT_OPTION): New constant.
	(name_elt) <type>: Change type.
	<v.opt>: New member.
	(name_elt_alloc_matflags): Remove.
	(name_add_name): Take one argument.
	(name_add_option): New static function.
	(name_add_file): Take one argument.
	(read_next_name): Use filename_terminator and
	verbatim_files_from_option to initialize file.term and
	file.verbatim.
	* src/tar.c: Move handling of filename-selection options to
	names.c

* tests/T-dir00.at: Fix typo.
	* tests/T-recurse.at: Remove expected failure.

2015-12-10  Pavel Raiskup  <praiskup@redhat.com>

better test --{,no-}recursion options

* tests/recurs02.at: Also test --list mode.
	* tests/T-recurse.at: New test case.  Test that -T option works
	correctly together with --{,no-}recursion.
	* tests/Makefile.am: Mention new test T-recurse.at.
	* tests/testsuite.at: Likewise.

2015-12-06  Pavel Raiskup  <praiskup@redhat.com>

Bugfix

* src/buffer.c (try_new_volume): Warn if user supplied malformed
	tar archive.
	Consistently use WARN (instead of ERROR) when reporting.

2015-12-06  Sergey Poznyakoff  <gray@gnu.org>

Fix segfault when extracting from a multi-volume archive.

Fix suggested by Pavel Raiskup.

* src/buffer.c (try_new_volume): Fix dereferencing NULL pointer.
	* tests/multiv09.at: New testcase.
	* tests/Makefile.am: Add new testcase.
	* tests/testsuite.at: Likewise.

2015-12-06  Sergey Poznyakoff  <gray@gnu.org>

Fix NEWS

2015-12-06  Pavel Raiskup  <praiskup@redhat.com>

numeric-owner: print big UID/GID correctly

* src/list.c (simple_print_header): Do not parse ustar header
	for UID/GID again (tar_stat_info has already been correctly
	filled with respect to possible uid/gid extended headers).
	* tests/numeric.at: New testcase for --numeric-owner option.
	* tests/Makefile.am: Add new testcase.
	* tests/testsuite.at: Likewise.

2015-12-06  Sergey Poznyakoff  <gray@gnu.org.ua>

Use SEEK_HOLE for hole detection

Based on patch by Pavel Raiskup.

Use SEEK_HOLE/SEEK_DATA feature of lseek on systems that support
	it.  This can make archiving of sparse files much faster.

Implement the --hole-detection option to allow users to select
	hole-detection method.

* src/common.h (hole_detection_method): New enum.
	(hole_detection): New global.
	* src/sparse.c	(sparse_scan_file_wholesparse): New function as a
	method for detecting sparse files without any data.
	(sparse_scan_file_raw): Rename from sparse_scan_file; with edits.
	(sparse_scan_file_seek): New function.
	(sparse_scan_file): Reimplement function.
	* src/tar.c: New option --hole-detection

* tests/checkseekhole.c: New file.
	* tests/.gitignore: Mention two test binaries.
	* tests/Makefile.am: Add new tests.
	* tests/testsuite.at (AT_SEEKHOLE_PREREQ): New macro.
	Include sparse06.at.
	* tests/sparse06.at: New test case.
	* tests/sparse02.at: Force raw hole-detection method.
	* tests/sparsemv.at: Likewise.
	* tests/sparsemvp.at: Likewise.

* doc/tar.1: Document --hole-detection option.
	* doc/tar.texi: Document hole-detection algorithms and
	command-line options.
	* NEWS: Document hole-detection.

2015-12-05  Sergey Poznyakoff  <gray@gnu.org.ua>

Catch compressor execution errors.

* src/misc.c (write_fatal_details): Move to buffer.c
	* src/buffer.c (write_fatal_details): Close the archive and
	wait for
	the compressor program to terminate in order to catch eventual
	execution
	errors.
	* src/system.c (sys_child_open_for_compress): Ignore SIGPIPE so
	tar will
	not silently terminate when unable to write to the compressor.
	* tests/comperr.at: New file.
	* tests/Makefile.am: Add comperr.at
	* tests/testsuite.at: Include comperr.at

2015-12-05  Sergey Poznyakoff  <gray@gnu.org.ua>

Upgrade paxutils

2015-11-29  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix extraction from concatenated incremental archives with
	renamed directories.

Complements 15c02c2b.

* src/extract.c (delayed_set_stat): Change type of file_name.
	(delay_set_stat): Allocate file_name member.
	(free_delayed_set_stat): Free file_name.
	(fixup_delayed_set_stat): New function.
	(rename_directory): Call fixup_delayed_set_stat on success.

* tests/incr11.at: New testcase.
	* tests/incr10.at: Improve description.
	* tests/Makefile.am: Add incr11.at
	* tests/testsuite.at: Add incr11.at

2015-11-21  Sergey Poznyakoff  <gray@gnu.org>

Fix bug in the inplementation of --one-top-level.

When extracting an archive that contains './' with the
	--one-top-level option,
	the mode and ownership of '.' would be incorrectly applied to
	the current
	working directory, instead of the requested top-level directory.

* src/list.c (enforce_one_top_level): Map '.' to the top-level
	directory.
	* tests/Makefile.am: Add onetop05.at
	* tests/testsuite.at: Include onetop05.at.
	* tests/onetop05.at: New file.
	* tests/onetop01.at: Fix keywords.
	* tests/onetop02.at: Likewise.
	* tests/onetop03.at: Likewise.
	* tests/onetop04.at: Likewise.

2015-11-11  Sergey Poznyakoff  <gray@gnu.org>

Work around unlinkat bug on FreeBSD and GNU/Hurd

* src/unlink.c (dunlink_insert): New function.
	(flush_deferred_unlinks): Skip cwds and nonempty directories
	at the first pass.  If force is requested, run a second pass
	removing them.
	(queue_deferred_unlink): Make sure current working directory
	entries are sorted in descending order by the value of dir_idx.
	This makes sure they will be removed in right order, which works
	around unlinkat bug on FreeBSD and GNU/Hurd.
	* tests/remfiles08b.at: Remove expected failure.
	* tests/remfiles09b.at: Likewise.

2015-11-10  Sergey Poznyakoff  <gray@gnu.org>

Fix coredump on FreeBSD when TAR_OPTIONS is set

* src/tar.c (parse_default_options): Use program_name instead of
	program_invocation_short_name.	On some systems the latter is
	NULL when
	the function is called, which causes coredumps.
	(tar_set_quoting_style): Likewise.
	* src/names.c: Likewise.

2015-11-02  Sergey Poznyakoff  <gray@gnu.org>

Use sort in T-dir tests.

2015-11-02  Sergey Poznyakoff  <gray@gnu.org>

Fix distclean in tests/

* tests/Makefile.am: Remove "download"

2015-11-02  Sergey Poznyakoff  <gray@gnu.org>

New options: --owner-map and --group-map.

* NEWS: Update.
	* doc/tar.1: Document --owner-map and --group-map
	* doc/tar.texi: Likewise.

* src/map.c: New file.
	* src/Makefile.am: Add map.c
	* src/common.h (owner_map_read, owner_map_translate)
	(group_map_read, group_map_translate): New protos.
	* src/create.c (start_header): Use owner_map_translate
	and group_map_translate to optionally translate user/group
	names/ids.
	* src/tar.c: New options --owner-map and --group-map.

* tests/map.at: New file.
	* tests/Makefile.am: Add map.at
	* tests/testsuite.at: Include map.at.

2015-09-24  Kir Kolyshkin  <kir@openvz.org>  (tiny change)

doc: fix font and spelling typos

* doc/tar.1: Fix font and spelling typos in man page.

2015-09-24  Paul Eggert  <eggert@cs.ucla.edu>

Fix problems caught by static checking

Most of these can be caught by configuring with
	--enable-gcc-warnings.
	Problem reported by Pavel Raiskup in:
	http://lists.gnu.org/archive/html/bug-tar/2015-09/msg00001.html
	* src/buffer.c (format_total_stats):
	Prefer pointer to const when it’s OK to use const.
	(default_total_format): Now const.
	* src/buffer.c (default_total_format):
	* src/exclist.c (excfile_head, excfile_tail, vcs_ignore_files):
	* src/misc.c (namebuf_add_dir, namebuf_finish):
	* src/tar.c (verbatim_files_from_option, option_set_in_cl)
	(optloc_eq, set_old_files_option):
	Now static.
	* src/common.h: Adjust to match the other changes described here.
	* src/exclist.c (info_cleanup_exclist):
	* src/tar.c (argp_program_version, argp_program_bug_address):
	Remove; unused.
	(parse_default_options): Define via prototype instead of old
	style.
	(parse_default_options, decode_options):
	Fill out incomplete initializers.

2015-08-31  Sergey Poznyakoff  <gray@gnu.org>

Improve option sanity checking

Any two conflicting options are reported only if they both
	occur in
	the command line.  Otherwise, options defined in the command line
	silently override those set in the TAR_OPTIONS environment
	variable.

* src/common.h (option_source): New enum.
	(option_locus): New struct.
	* src/names.c (name_elt): New member: line.
	(name_add_file): Initialize line.
	(read_name_from_file): Keep track of input line number for
	diagnostic
	purposes.
	(handle_option): Take a pointer to struct name_elt as 2nd
	parameter;
	pass locus info to more_options().
	* src/tar.c (tar_args): New member: loc.
	(option_class): New enum.
	(optloc_save,optloc_lookup)
	(option_set_in_cl,optloc_eq): New functions.
	(set_use_compress_program_option): Take into account option
	location.
	(set_old_files_option): New function.
	(parse_opt): Keep track of option locations.
	(more_options): Improve error reporting.
	(parse_default_options): New function.
	(decode_options): Parse TAR_OPTION and command line separately.
	Options from the latter silently override those from the former.

* lib/prepargs.c: Remove.
	* lib/prepargs.h: Remove.
	* lib/Makefile.am: Update.

2015-08-24  Sergey Poznyakoff  <gray@gnu.org>

Improve check-full

* tests/atlocal.in: Download external archives to
	$abs_builddir/download.
	(tarball_prereq): Create destination directory if necessary.
	* tests/.gitignore: Add download

2015-08-24  Sergey Poznyakoff  <gray@gnu.org>

Fix check-full

* tests/atlocal.in (TAR_DATA_URL): Berlios is dead.  Get
	test archives from gnu.org.ua

2015-08-24  Sergey Poznyakoff  <gray@gnu.org>

Include gnulib and paxutils as submodules.

* .gitmodules: New file.
	* README-alpha: Update.
	* README-hacking: Update.
	* bootstrap: Install slightly modified version from the gnulib
	repo.
	* bootstrap.conf: Add paxutils-related stuff.
	* .gitignore: Update.
	* doc/.gitignore: Update.
	* po/.gitignore: Update.
	* gnu/Makefile.am

2015-08-24  Sergey Poznyakoff  <gray@gnu.org>

Update docs.

* doc/tar.1: Document --verbatim-files-from option.

2015-08-20  Sergey Poznyakoff  <gray@gnu.org.ua>

Add missing VCS files to --exclude-vcs list

* src/tar.c (vcs_file_table): Add .gitmodules and .gitattributes
	* doc/tar.texi: Update.

2015-08-03  Sergey Poznyakoff  <gray@gnu.org.ua>

Options to control option handling in file lists.

The --verbatim-files-from option disables option handling in
	file lists.  The --no-verbatim-files-from reverts its effect.

The --null option implies --verbatim-files-from.  This restores
	the documented behavior, broken by 26538c9b.

* src/common.h (verbatim_files_from_option): New global.
	* src/names.c (name_elt): New member: file.verbatim
	(name_add_file): Take 'verbatim' state as its third parameter.
	(read_next_name): Don't call handle_option if file.verbatim
	is set.
	* src/tar.c: New options --verbatim-files-from and
	--no-verbatim-files-from.

* doc/tar.texi: Document --verbatim-files-from and
	--no-verbatim-files-from options.
	* NEWS: Update.
	* configure.ac: Version 1.28.90

* tests/T-null2.at: New testcase.
	* tests/Makefile.am: Update.
	* tests/testsuite.at: Update.

2015-07-25  Anders Jonsson  <anders.jonsson@norsjovallen.se>  (tiny
change)

Fix typos (preceeded etc.)

2015-07-13  Paul Eggert  <eggert@cs.ucla.edu>

tar: fix symlink race and symlink transform bug

Problem reported by Tobias Stoeckmann in:
	http://lists.gnu.org/archive/html/bug-tar/2015-07/msg00004.html
	* gnulib.modules: Add areadlinkat-with-size.
	* src/create.c: Include areadlink.h.
	(dump_file0): Use areadlinkat_with_size, rather than trying to do
	it by hand, incorrectly.  This also avoids assumption that
	the symlink contents fit on the stack.	Also, use the transformed
	link name, not the original link name, when deciding whether the
	name is long enough to require writing a long link.

2015-07-13  Paul Eggert  <eggert@cs.ucla.edu>

tar: port -d to longer symlinks

* src/compare.c (diff_symlink):
	Don't use alloca on symlink length; it might be too big for
	the stack.
	Don't assume that readlinkat's return value fits in 'int'.
	Prefer memcmp to strncmp where either will do.

2015-07-13  Paul Eggert  <eggert@cs.ucla.edu>

tar: port to recent gnulib

* gnulib.modules: Remove 'acl' and add 'file-has-acl'.

2015-07-13  Paul Eggert  <eggert@cs.ucla.edu>

tar: pacify GCC 5.1 -Wformat-signedness

* lib/wordsplit.c (struct wordsplit_node.flags):
	Now unsigned, so that 'printf ("%x", p->flags)' doesn't provoke
	GCC.
	* src/incremen.c (read_num, dumpdir_ok):
	Don't printf an int with %x or %o.

2015-04-16  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix extraction from concatenated incremental archives.

* src/common.h (remove_delayed_set_stat): New proto.
	* src/extract.c (free_delayed_set_stat)
	(remove_delayed_set_stat): New function.
	(apply_nonancestor_delayed_set_stat): Use free_delayed_set_stat.
	* src/misc.c (safer_rmdir): Remove delayed_set_stat entry
	corresponding to the removed directory.
	* tests/incr10.at: New test case.
	* tests/Makefile.am: Add new test.
	* tests/testsuite.at: Likewise.

2015-04-10  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix make installcheck

Make installcheck would fail unless make check had been run
	before it.
	Reported by Erik Brangs <erik.brangs@gmx.de>

* tests/Makefile.am (installcheck-local): Depend on
	$(check_PROGRAMS)

2015-03-18  Paul Eggert  <eggert@cs.ucla.edu>

tar: don't assume GZIP

* Makefile.am (dist-hook): Port to gzip implementations that
	warn about nontrivial settings in the GZIP environment var.

2015-03-17  Paul Eggert  <eggert@cs.ucla.edu>

tar: don't suggest GZIP

* doc/tar.texi (gzip): Don't suggest using the GZIP environment
	variable, as it will be deprecated in the next gzip release.

2015-02-19  Sergey Poznyakoff  <gray@gnu.org.ua>

Improve compression format recognition

Some comressed archives can pass the checksum test, which
	makes tar
	treat them as uncompressed archives.

* src/buffer.c (check_compressed_archive): Test the checksum only
	if the block we read looks like a valid tar header (i.e. has
	a magic string).

2015-01-06  Paul Eggert  <eggert@cs.ucla.edu>

tar: port xattr-at.c to Solaris 10

* lib/xattr-at.c (setxattrat, lsetxattrat, getxattrat,
	lgetxattrat)
	(listxattrat, llistxattrat): Compile only if HAVE_XATTRS, so that
	the code doesn't call functions that are not declared.

2015-01-06  Paul Eggert  <eggert@cs.ucla.edu>

tar: port wordsplit attribute to Sun C

Reported by Ted Carr in:
	http://lists.gnu.org/archive/html/bug-tar/2015-01/msg00002.html
	* lib/wordsplit.h (__WORDSPLIT_ATTRIBUTE_FORMAT):
	New macro, taken from Gnulib.
	(struct wordsplit): Use it.
	* lib/wordsplit.c (_wsplt_error): Use it.

2014-12-17  Sergey Poznyakoff  <gray@gnu.org>

Silent a cc warning

* src/xheader.c (xheader_string_end): Make sure pointer
	arithmetics applies on char*.

2014-12-12  Paul Eggert  <eggert@cs.ucla.edu>

tar: port ISFOUND, WASFOUND to C89

Problem reported by Romano Maspero in:
	http://lists.gnu.org/archive/html/bug-tar/2014-12/msg00010.html
	* src/common.h (ISFOUND, WASFOUND): Port to C89.

2014-12-10  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix tar -c -l file file

When the same file is added several times to the archive, count
	correctly the number of hard links.  See also 37ddfb0b.

* src/create.c (dump_hard_link): Don't decrease nlink if it is 0.
	* tests/link04.at: Test -cl options.

2014-11-07  Sergey Poznyakoff  <gray@gnu.org>

Honor the pax-option overrides when creating archive.

Changes proposed by Denis Excoffier.

* NEWS: Fix typos.
	* doc/tar.texi: Fix typos.  Improve recipe for creation of binary
	equivalent archives.
	* src/create.c (write_extended): Use the value of the
	--mtime option (if specified) as the default for exthdr.mtime.
	* src/xheader.c (xheader_store): Create the header if at least
	one override is supplied in --pax-option.

2014-11-07  Sergey Poznyakoff  <gray@gnu.org>

Add testcase for the previous commit.

* tests/sparse05.at: New file.
	* tests/Makefile.am: Add sparse05.at
	* tests/testsuite.at: Include sparse05.at

2014-11-07  Pavel Raiskup  <praiskup@redhat.com>

Fix bug in sparse file listing

List posix archives containing sparse files >8GB correctly and
	do not fail.
	This fixes also bug in format of listing for sparse files >8GB -
	now the
	real size is printed instead of the effective one (this is
	not strictly
	posix format related).

* src/list.c: Remove redundant assignment.
	* src/tar.h: Add new 'real_size' and 'real_size_set' fields in
	  tar_stat_info struct.
	* src/xheader.c: Correctly handle (especially sparse) file sizes
	directly in
	  xheader_decode().

2014-10-15  Sergey Poznyakoff  <gray@gnu.org.ua>

Fix a typo

2014-10-01  Sergey Poznyakoff  <gray@gnu.org>

Fix README

Remove the reference to PORTS

2014-09-25  Sergey Poznyakoff  <gray@gnu.org>

Bugfixes.

* doc/tar.1: Fix typo in font spec.
	* src/tar.c (sort_mode_arg, sort_mode_flag): Protect "inode"
	(SAVEDIR_SORT_INODE) with D_INO_IN_DIRENT

2014-09-18  Sergey Poznyakoff  <gray@gnu.org.ua>

Bugfix: entries read from the -T file did not get proper
	matching_flag.

* src/common.h (name_add_file): Change signature.
	* src/names.c (name_elt_alloc_matflags): New function.
	(name_add_name): Use name_elt_alloc_matflags.
	(name_add_file): Take matching flags as third argument.
	(read_next_name): Remove trailing slashes.
	* src/tar.c (parse_opt): Pass matching_flags to name_add_file.

* tests/T-dir00.at: New file.
	* tests/T-dir01.at: New file.
	* tests/Makefile.am: Add new testcases.
	* tests/testsuite.at: Likewise.

2014-08-16  Sergey Poznyakoff  <gray@gnu.org>

Improve documentation.

* doc/tar.1: Document --skip-old-files and --warning=existing-file
	* doc/tar.texi: Document --warning=existing-file