The modified algorithm tries to avoid dumping the same
directory twice and ensures the order of the directories
in the resulting archive is the same, whatever their order
on the command line. It also fixes the operation of
--listed-incremental -C.
* gnulib.modules: Add canonicalize
* src/common.h (incremental_level): New global.
(check_exclusion_tags): first argument is const.
(get_directory_contents): Add third argument.
(zap_slashes, normalize_filename): New prototypes.
(chdir_count): New prototype.
(WARN_VERBOSE_WARNINGS): New define.
(WARN_ALL): Exclude WARN_VERBOSE_WARNINGS.
* src/compare.c (diff_dumpdir): Update the call to get_directory_contents.
* src/create.c (check_exclusion_tags): First argument is const.
Use ISSLASH and DIRECTORY_SEPARATOR instead of referring to '/'.
* src/incremen.c (struct directory): New member `caname'.
(hash_directory_name): Rename to hash_directory_canonical_name. Operate
on the canonical name.
(compare_directory_names): Rename to compare_directory_canonical_names.
Operate on the canonical name.
(make_directory): Take two arguments.
(free_directory): Free caname.
(attach_directory): Create caname.
(find_directory): Use caname for lookups.
(PD_VERBOSE): Remove.
(PD_FORCE_INIT): New define.
(procdir): First argument is const.
Reinitialize directory if PD_FORCE_INIT bit is set.
Do not use PD_VERBOSE or verbose_option for issuing warnings.
Rely on WARNOPT instead.
Always set *entry.
(scan_directory): Take three arguments. The third one is a boolean
which is true if the directory is explicitly mentioned on the command
line.
(get_directory_contents): Remove. Use scan_directory instead.
All callers updated.
(read_directory_file): Truncate the file if --level=0 is given.
* src/misc.c: Include canonicalize.h
(zap_slashes, normalize_filename): New functions.
(chdir_count): New function.
* src/names.c (add_hierarchy_to_namelist): Take three arguments, as
get_directory_contents and scan_directory.
(collect_and_sort_names): Allow at most one -C, before file name
arguments.
Read directory file after eventual changing to another directory.
Avoid adding the same directory under different pathnames to
the list.
* src/tar.c: New option --level.
* tests/incr03.at, tests/incr04.at, tests/listed01.at,
tests/listed02.at, tests/rename01.at, tests/rename02.at,
tests/rename03.at: Update for new tar behavior.
* tests/multiv01.at: Do not use --listed-incremental.
* NEWS, THANKS: Update
* src/extract.c (extract_dir): reset status to 0 if the
directory already exists.
* src/misc.c (maybe_backup_file): Assign before_backup_name
and clear after_backup_name before checking if we really need
to backup the file.
* tests/backup01.at: New testcase.
* tests/extrac08.at: New testcase.
* tests/Makefile.am, tests/testsuite.at: Add extrac08.at and
backup01.at
* src/create.c (dump_hard_link): Always look up in the link table
if remove_files_option is set. Patch suggested by Theodore Ts'o
<tytso@mit.edu>.
(check_links): Remove extra newline from the warning message.
* tests/link02.at, tests/link03.at: New testcases.
* tests/Makefile.am (TESTSUITE_AT): Add link02.at and link03.at
* tests/testsuite.at: Include link02.at and link03.at
* src/create.c (file_count_links): Transform link target
before the look up.
* tests/xform-h.at: New test case.
* tests/Makefile.am (TESTSUITE_AT): Add xform-h.at.
* tests/testsuite.at: Add xform-h.at
* src/system.c (wait_for_grandchild): New function.
(sys_child_open_for_compress)
(sys_child_open_for_uncompress): Use wait_for_grandchild
to manage grandchild return.
* Makefile.am (INCLUDES): Add ../lib, for rmt-command.h
* src/buffer.c (short_read): Report the actual record size
only if the archive descriptor refers to a device.
* tests/pipe.at, tests/shortrec.at,
tests/sparsemvp.at: Reflect the above change.
* NEWS, configure.ac: Version 1.22.90
* src/buffer.c, src/suffix.c: Add support for xz compression.
* src/tar.c: New option --xz, for compression/decompression using xz.
Re-assign -J as a short equivalent of --xz.
* doc/tar.texi, NEWS: Document --xz
* bootstrap.conf: Include size_max.
* gnulib.modules: Remove memset, rmdir. Replace strdup with
strdup-posix. Patch by Eric Blake.
* src/tar.c: Implement -I as a shorthand for --use-compress-program.
* doc/tar.texi: Document -I.
* tests/pipe.at, tests/shortrec.at: Account for eventual 'Record
size' output.
* tests/testsuite.at (AT_TAR_CHECK_HOOK): New define
(AT_TAR_WITH_HOOK, TAR_IGNREC_HOOK): New macros.
* src/buffer.c (close_archive): Remove call to
sys_drain_input_pipe. Pass hit_eof as the second
argument to sys_wait_for_child.
* src/common.h (sys_drain_input_pipe): Remove
(sys_wait_for_child): Declare second argument.
* src/system.c (sys_drain_input_pipe): Remove.
(sys_wait_for_child): Take two arguments. The second one helps to
decide whether to tolerate child termination on SIGPIPE.
* doc/tar.texi: Document transformation scope flags.
* src/common.h (transform_symlinks_option): Remove in favor of
transformation scope flags.
(XFORM_REGFILE, XFORM_LINK, XFORM_SYMLINK, XFORM_ALL): New macros.
(transform_name, transform_member_name, transform_name_fp): Take
an additional argument, specifying scope flags.
* src/create.c: Reflect changes to transform_name.
* src/extract.c (extract_link, extract_symlink): Remove calls to
transform_member_name. It is done in read_header.
* src/list.c (decode_xform): Reflect change in data type of 2nd
argument.
(transform_member_name): 2nd arg is int.
(decode_header): Transform file name and link target names.
* src/tar.c: Remove --transform-symlinks.
* src/transform.c (struct transform): New member `flags'.
(transform_flags): New variable.
(parse_transform_expr): Parse transformation scope flags. Allow to
set global flags using `flags=' syntax.
(_transform_name_to_obstack, transform_name_fp)
(transform_name): Take an additional argument, specifying scope
flags.
which was always false on a first record and thus disabled record
size autodetection. Thanks Ed Leaver for the patch.
(_gnu_flush_read): Handle blocking_factor == 1.
* tests/sparsemv.at: Reflect changes to buffer.c.
* tests/sparsemvp.at: Likewise.
* tests/volsize.at: Likewise.
* NEWS: Update.
* THANKS: Add Ed Leaver.
* src/create.c (dump_file0): Transform symlink targets only if
explicitly required. Thanks Cyril Strejc for reporting the
problem.
* src/tar.c (parse_opt): New options --transform-symlinks and
--no-transform-symlinks. New alias --xform to the --transform
option.
* doc/tar.texi: Document --transform-symlinks
* NEWS: Update.
* THANKS: Update.
* src/names.c (name_gather): Use xzalloc.
* src/buffer.c (short_read): Move record size detection before
the loop.
* src/incremen.c (struct directory): New member `next'. Change
type of `name'.
(dirhead, dirtail): New statics.
(make_directory): Reflect changes to struct directory.
(free_directory, attach_directory): New functions.
(dirlist_replace_prefix): New function.
(note_directory): Use attach_directory, instead of make_directory,
(find_directory, find_directory_meta): Use free_directory.
(procdir): Replace directory prefixes in directory list to avoid
marking subdirectories as renamed after renaming their parent
directory.
(append_incremental_renames): Iterate over directory list, not
hash table, to preserve logical ordering of renames.
* tests/rename04.at, tests/rename05.at: New test cases.
* tests/Makefile.am, tests/testsuite.at: Add rename04.at and
rename05.at.
* tests/atlocal.in (decho): New function.
* tests/multiv06.at: Use decho instead of echo2.
* tests/incremental.at: Raise wait interval to 2 seconds.
* src/tar.c (decode_options): Do not allow volume length less
than record size.
* src/buffer.c (_gnu_flush_write): Compensate for the effect
of eventual flush_archive occurring in the middle of buffer
move.
Increment records_written only if _flush_write was able to write
something.
* tests/multiv06.at: New testcase.
* tests/Makefile.am, test/testsuite.at: Add tests/multiv06.at
* doc/tar.texi: Document -J, --no-auto-compress, etc.
* src/buffer.c (ct_tar): New constant.
(magic): Add lzop support. Proposed by Kevin Day
<thekevinday@gmail.com>.
(check_compressed_archive): Do not use autodetect if the
compression program was specified explicitly.
Fall back to analyzing archive name, if the autodetection fails.
* src/suffix.c: Add .lzo
* src/tar.c: New options --lzop and --no-auto-compress.
New short option -J (alias for --lzma).
* src/buffer.c (try_new_volume): Print more information with error
diagnostics.
(_gnu_flush_write): Improve error checking. Adjust
real_s_sizeleft before calling new_volume to avoid creating
malformed multivolume headers.
* tests/delete05.at, tests/gzip.at, tests/ignfail.at,
tests/longv7.at, tests/lustar01.at, tests/lustar02.at,
tests/shortfile.at: Update to match new diagnostic wording
(see 2008-05-06).
* NEWS: Update.
* configure.ac: Raise version number to 1.20
* src/compare.c (diff_dumpdir): const.
* src/common.h (dumpdir_t,dumpdir_iter_t): New data types.
(dumpdir_create0,dumpdir_create,dumpdir_free,dumpdir_locate)
(dumpdir_first,dumpdir_next): New functions.
* src/incremen.c (dumpdir_create0,dumpdir_create,dumpdir_free)
(dumpdir_first,dumpdir_next): New functions.
(dumpdir_locate): Rewrite using binary search.
(struct directory): Change members char *contents, *icontents to
struct dumpdir *dump, *idump. All references updated.
(note_directory): Last arg is const.
* src/names.c (add_hierarchy_to_namelist): buffer is const.
* tests/incr03.at, tests/incr04.at, tests/rename02.at,
tests/rename03.at: Insert calls to sleep between creation of files
and adding them to the archive.
* src/incremen.c (procdir): Use boolean and instead of bitwise
one. Patch by Jean-Louis Martineau.
Compare device numbers only if check_device_option is set.
* src/tar.c: New command line options --no-check-device and
--check-device. Proposed by Jean-Louis Martineau.
(parse_opt): Hanlde new options.
(decode_options): Initialize check_device_option to true.
2007-12-17 Paul Eggert <eggert@cs.ucla.edu>
Exit with nonzero status if a close fails on an archive.
Problem (and initial trivial fix)
* src/buffer.c (close_archive, new_volume): close_error, not close_warn.
