+ WARNING_OPTION,
+ WILDCARDS_MATCH_SLASH_OPTION,
+ WILDCARDS_OPTION
+};
+
+const char *argp_program_version = "tar (" PACKAGE_NAME ") " VERSION;
+const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
+static char const doc[] = N_("\
+GNU `tar' saves many files together into a single tape or disk archive, \
+and can restore individual files from the archive.\n\
+\n\
+Examples:\n\
+ tar -cf archive.tar foo bar # Create archive.tar from files foo and bar.\n\
+ tar -tvf archive.tar # List all files in archive.tar verbosely.\n\
+ tar -xf archive.tar # Extract all files from archive.tar.\n")
+"\v"
+N_("The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
+The version control may be set with --backup or VERSION_CONTROL, values are:\n\n\
+ none, off never make backups\n\
+ t, numbered make numbered backups\n\
+ nil, existing numbered if numbered backups exist, simple otherwise\n\
+ never, simple always make simple backups\n");
+
+
+/* NOTE:
+
+ Available option letters are DEQY and eqy. Consider the following
+ assignments:
+
+ [For Solaris tar compatibility =/= Is it important at all?]
+ e exit immediately with a nonzero exit status if unexpected errors occur
+ E use extended headers (--format=posix)
+
+ [q alias for --occurrence=1 =/= this would better be used for quiet?]
+
+ y per-file gzip compression
+ Y per-block gzip compression.
+
+ Additionally, the 'n' letter is assigned for option --seek, which
+ is probably not needed and should be marked as deprecated, so that
+ -n may become available in the future.
+*/
+
+static struct argp_option options[] = {
+#define GRID 10
+ {NULL, 0, NULL, 0,
+ N_("Main operation mode:"), GRID },
+
+ {"list", 't', 0, 0,
+ N_("list the contents of an archive"), GRID+1 },
+ {"extract", 'x', 0, 0,
+ N_("extract files from an archive"), GRID+1 },
+ {"get", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"create", 'c', 0, 0,
+ N_("create a new archive"), GRID+1 },
+ {"diff", 'd', 0, 0,
+ N_("find differences between archive and file system"), GRID+1 },
+ {"compare", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"append", 'r', 0, 0,
+ N_("append files to the end of an archive"), GRID+1 },
+ {"update", 'u', 0, 0,
+ N_("only append files newer than copy in archive"), GRID+1 },
+ {"catenate", 'A', 0, 0,
+ N_("append tar files to an archive"), GRID+1 },
+ {"concatenate", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"delete", DELETE_OPTION, 0, 0,
+ N_("delete from the archive (not on mag tapes!)"), GRID+1 },
+ {"test-label", TEST_LABEL_OPTION, NULL, 0,
+ N_("test the archive volume label and exit"), GRID+1 },
+#undef GRID
+
+#define GRID 20
+ {NULL, 0, NULL, 0,
+ N_("Operation modifiers:"), GRID },
+
+ {"sparse", 'S', 0, 0,
+ N_("handle sparse files efficiently"), GRID+1 },
+ {"sparse-version", SPARSE_VERSION_OPTION, N_("MAJOR[.MINOR]"), 0,
+ N_("set version of the sparse format to use (implies --sparse)"), GRID+1},
+ {"incremental", 'G', 0, 0,
+ N_("handle old GNU-format incremental backup"), GRID+1 },
+ {"listed-incremental", 'g', N_("FILE"), 0,
+ N_("handle new GNU-format incremental backup"), GRID+1 },
+ {"level", LEVEL_OPTION, N_("NUMBER"), 0,
+ N_("dump level for created listed-incremental archive"), GRID+1 },
+ {"ignore-failed-read", IGNORE_FAILED_READ_OPTION, 0, 0,
+ N_("do not exit with nonzero on unreadable files"), GRID+1 },
+ {"occurrence", OCCURRENCE_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
+ N_("process only the NUMBERth occurrence of each file in the archive;"
+ " this option is valid only in conjunction with one of the subcommands"
+ " --delete, --diff, --extract or --list and when a list of files"
+ " is given either on the command line or via the -T option;"
+ " NUMBER defaults to 1"), GRID+1 },
+ {"seek", 'n', NULL, 0,
+ N_("archive is seekable"), GRID+1 },
+ {"no-seek", NO_SEEK_OPTION, NULL, 0,
+ N_("archive is not seekable"), GRID+1 },
+ {"no-check-device", NO_CHECK_DEVICE_OPTION, NULL, 0,
+ N_("do not check device numbers when creating incremental archives"),
+ GRID+1 },
+ {"check-device", CHECK_DEVICE_OPTION, NULL, 0,
+ N_("check device numbers when creating incremental archives (default)"),
+ GRID+1 },
+#undef GRID
+
+#define GRID 30
+ {NULL, 0, NULL, 0,
+ N_("Overwrite control:"), GRID },
+
+ {"verify", 'W', 0, 0,
+ N_("attempt to verify the archive after writing it"), GRID+1 },
+ {"remove-files", REMOVE_FILES_OPTION, 0, 0,
+ N_("remove files after adding them to the archive"), GRID+1 },
+ {"keep-old-files", 'k', 0, 0,
+ N_("don't replace existing files when extracting"), GRID+1 },
+ {"keep-newer-files", KEEP_NEWER_FILES_OPTION, 0, 0,
+ N_("don't replace existing files that are newer than their archive copies"), GRID+1 },
+ {"overwrite", OVERWRITE_OPTION, 0, 0,
+ N_("overwrite existing files when extracting"), GRID+1 },
+ {"unlink-first", 'U', 0, 0,
+ N_("remove each file prior to extracting over it"), GRID+1 },
+ {"recursive-unlink", RECURSIVE_UNLINK_OPTION, 0, 0,
+ N_("empty hierarchies prior to extracting directory"), GRID+1 },
+ {"no-overwrite-dir", NO_OVERWRITE_DIR_OPTION, 0, 0,
+ N_("preserve metadata of existing directories"), GRID+1 },
+ {"overwrite-dir", OVERWRITE_DIR_OPTION, 0, 0,
+ N_("overwrite metadata of existing directories when extracting (default)"),
+ GRID+1 },
+#undef GRID
+
+#define GRID 40
+ {NULL, 0, NULL, 0,
+ N_("Select output stream:"), GRID },
+
+ {"to-stdout", 'O', 0, 0,
+ N_("extract files to standard output"), GRID+1 },
+ {"to-command", TO_COMMAND_OPTION, N_("COMMAND"), 0,
+ N_("pipe extracted files to another program"), GRID+1 },
+ {"ignore-command-error", IGNORE_COMMAND_ERROR_OPTION, 0, 0,
+ N_("ignore exit codes of children"), GRID+1 },
+ {"no-ignore-command-error", NO_IGNORE_COMMAND_ERROR_OPTION, 0, 0,
+ N_("treat non-zero exit codes of children as error"), GRID+1 },
+#undef GRID
+
+#define GRID 50
+ {NULL, 0, NULL, 0,
+ N_("Handling of file attributes:"), GRID },
+
+ {"owner", OWNER_OPTION, N_("NAME"), 0,
+ N_("force NAME as owner for added files"), GRID+1 },
+ {"group", GROUP_OPTION, N_("NAME"), 0,
+ N_("force NAME as group for added files"), GRID+1 },
+ {"mtime", MTIME_OPTION, N_("DATE-OR-FILE"), 0,
+ N_("set mtime for added files from DATE-OR-FILE"), GRID+1 },
+ {"mode", MODE_OPTION, N_("CHANGES"), 0,
+ N_("force (symbolic) mode CHANGES for added files"), GRID+1 },
+ {"atime-preserve", ATIME_PRESERVE_OPTION,
+ N_("METHOD"), OPTION_ARG_OPTIONAL,
+ N_("preserve access times on dumped files, either by restoring the times"
+ " after reading (METHOD='replace'; default) or by not setting the times"
+ " in the first place (METHOD='system')"), GRID+1 },
+ {"touch", 'm', 0, 0,
+ N_("don't extract file modified time"), GRID+1 },
+ {"same-owner", SAME_OWNER_OPTION, 0, 0,
+ N_("try extracting files with the same ownership as exists in the archive (default for superuser)"), GRID+1 },
+ {"no-same-owner", NO_SAME_OWNER_OPTION, 0, 0,
+ N_("extract files as yourself (default for ordinary users)"), GRID+1 },
+ {"numeric-owner", NUMERIC_OWNER_OPTION, 0, 0,
+ N_("always use numbers for user/group names"), GRID+1 },
+ {"preserve-permissions", 'p', 0, 0,
+ N_("extract information about file permissions (default for superuser)"),
+ GRID+1 },
+ {"same-permissions", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"no-same-permissions", NO_SAME_PERMISSIONS_OPTION, 0, 0,
+ N_("apply the user's umask when extracting permissions from the archive (default for ordinary users)"), GRID+1 },
+ {"preserve-order", 's', 0, 0,
+ N_("sort names to extract to match archive"), GRID+1 },
+ {"same-order", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"preserve", PRESERVE_OPTION, 0, 0,
+ N_("same as both -p and -s"), GRID+1 },
+ {"delay-directory-restore", DELAY_DIRECTORY_RESTORE_OPTION, 0, 0,
+ N_("delay setting modification times and permissions of extracted"
+ " directories until the end of extraction"), GRID+1 },
+ {"no-delay-directory-restore", NO_DELAY_DIRECTORY_RESTORE_OPTION, 0, 0,
+ N_("cancel the effect of --delay-directory-restore option"), GRID+1 },
+#undef GRID
+
+#define GRID 60
+ {NULL, 0, NULL, 0,
+ N_("Device selection and switching:"), GRID },
+
+ {"file", 'f', N_("ARCHIVE"), 0,
+ N_("use archive file or device ARCHIVE"), GRID+1 },
+ {"force-local", FORCE_LOCAL_OPTION, 0, 0,
+ N_("archive file is local even if it has a colon"), GRID+1 },
+ {"rmt-command", RMT_COMMAND_OPTION, N_("COMMAND"), 0,
+ N_("use given rmt COMMAND instead of rmt"), GRID+1 },
+ {"rsh-command", RSH_COMMAND_OPTION, N_("COMMAND"), 0,
+ N_("use remote COMMAND instead of rsh"), GRID+1 },
+#ifdef DEVICE_PREFIX
+ {"-[0-7][lmh]", 0, NULL, OPTION_DOC, /* It is OK, since `name' will never be
+ translated */
+ N_("specify drive and density"), GRID+1 },
+#endif
+ {NULL, '0', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '1', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '2', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '3', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '4', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '5', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '6', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '7', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '8', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+ {NULL, '9', NULL, OPTION_HIDDEN, NULL, GRID+1 },
+
+ {"multi-volume", 'M', 0, 0,
+ N_("create/list/extract multi-volume archive"), GRID+1 },
+ {"tape-length", 'L', N_("NUMBER"), 0,
+ N_("change tape after writing NUMBER x 1024 bytes"), GRID+1 },
+ {"info-script", 'F', N_("NAME"), 0,
+ N_("run script at end of each tape (implies -M)"), GRID+1 },
+ {"new-volume-script", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"volno-file", VOLNO_FILE_OPTION, N_("FILE"), 0,
+ N_("use/update the volume number in FILE"), GRID+1 },
+#undef GRID
+
+#define GRID 70
+ {NULL, 0, NULL, 0,
+ N_("Device blocking:"), GRID },
+
+ {"blocking-factor", 'b', N_("BLOCKS"), 0,
+ N_("BLOCKS x 512 bytes per record"), GRID+1 },
+ {"record-size", RECORD_SIZE_OPTION, N_("NUMBER"), 0,
+ N_("NUMBER of bytes per record, multiple of 512"), GRID+1 },
+ {"ignore-zeros", 'i', 0, 0,
+ N_("ignore zeroed blocks in archive (means EOF)"), GRID+1 },
+ {"read-full-records", 'B', 0, 0,
+ N_("reblock as we read (for 4.2BSD pipes)"), GRID+1 },
+#undef GRID
+
+#define GRID 80
+ {NULL, 0, NULL, 0,
+ N_("Archive format selection:"), GRID },
+
+ {"format", 'H', N_("FORMAT"), 0,
+ N_("create archive of the given format"), GRID+1 },
+
+ {NULL, 0, NULL, 0, N_("FORMAT is one of the following:"), GRID+2 },
+ {" v7", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("old V7 tar format"),
+ GRID+3 },
+ {" oldgnu", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
+ N_("GNU format as per tar <= 1.12"), GRID+3 },
+ {" gnu", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
+ N_("GNU tar 1.13.x format"), GRID+3 },
+ {" ustar", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
+ N_("POSIX 1003.1-1988 (ustar) format"), GRID+3 },
+ {" pax", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
+ N_("POSIX 1003.1-2001 (pax) format"), GRID+3 },
+ {" posix", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("same as pax"), GRID+3 },
+
+ {"old-archive", OLD_ARCHIVE_OPTION, 0, 0, /* FIXME */
+ N_("same as --format=v7"), GRID+8 },
+ {"portability", 0, 0, OPTION_ALIAS, NULL, GRID+8 },
+ {"posix", POSIX_OPTION, 0, 0,
+ N_("same as --format=posix"), GRID+8 },
+ {"pax-option", PAX_OPTION, N_("keyword[[:]=value][,keyword[[:]=value]]..."), 0,
+ N_("control pax keywords"), GRID+8 },
+ {"label", 'V', N_("TEXT"), 0,
+ N_("create archive with volume name TEXT; at list/extract time, use TEXT as a globbing pattern for volume name"), GRID+8 },
+#undef GRID
+
+#define GRID 90
+ {NULL, 0, NULL, 0,
+ N_("Compression options:"), GRID },
+ {"auto-compress", 'a', 0, 0,
+ N_("use archive suffix to determine the compression program"), GRID+1 },
+ {"no-auto-compress", NO_AUTO_COMPRESS_OPTION, 0, 0,
+ N_("do not use archive suffix to determine the compression program"),
+ GRID+1 },
+ {"bzip2", 'j', 0, 0,
+ N_("filter the archive through bzip2"), GRID+1 },
+ {"gzip", 'z', 0, 0,
+ N_("filter the archive through gzip"), GRID+1 },
+ {"gunzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"ungzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"compress", 'Z', 0, 0,
+ N_("filter the archive through compress"), GRID+1 },
+ {"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"lzma", LZMA_OPTION, 0, 0,
+ N_("filter the archive through lzma"), GRID+1 },
+ {"lzop", LZOP_OPTION, 0, 0,
+ N_("filter the archive through lzop"), GRID+8 },
+ {"xz", 'J', 0, 0,
+ N_("filter the archive through xz"), GRID+8 },
+ {"use-compress-program", 'I', N_("PROG"), 0,
+ N_("filter through PROG (must accept -d)"), GRID+1 },
+#undef GRID
+
+#define GRID 100
+ {NULL, 0, NULL, 0,
+ N_("Local file selection:"), GRID },
+
+ {"add-file", ARGP_KEY_ARG, N_("FILE"), 0,
+ N_("add given FILE to the archive (useful if its name starts with a dash)"), GRID+1 },
+ {"directory", 'C', N_("DIR"), 0,
+ N_("change to directory DIR"), GRID+1 },
+ {"files-from", 'T', N_("FILE"), 0,
+ N_("get names to extract or create from FILE"), GRID+1 },
+ {"null", NULL_OPTION, 0, 0,
+ N_("-T reads null-terminated names, disable -C"), GRID+1 },
+ {"no-null", NO_NULL_OPTION, 0, 0,
+ N_("disable the effect of the previous --null option"), GRID+1 },
+ {"unquote", UNQUOTE_OPTION, 0, 0,
+ N_("unquote filenames read with -T (default)"), GRID+1 },
+ {"no-unquote", NO_UNQUOTE_OPTION, 0, 0,
+ N_("do not unquote filenames read with -T"), GRID+1 },
+ {"exclude", EXCLUDE_OPTION, N_("PATTERN"), 0,
+ N_("exclude files, given as a PATTERN"), GRID+1 },
+ {"exclude-from", 'X', N_("FILE"), 0,
+ N_("exclude patterns listed in FILE"), GRID+1 },
+ {"exclude-caches", EXCLUDE_CACHES_OPTION, 0, 0,
+ N_("exclude contents of directories containing CACHEDIR.TAG, "
+ "except for the tag file itself"), GRID+1 },
+ {"exclude-caches-under", EXCLUDE_CACHES_UNDER_OPTION, 0, 0,
+ N_("exclude everything under directories containing CACHEDIR.TAG"),
+ GRID+1 },
+ {"exclude-caches-all", EXCLUDE_CACHES_ALL_OPTION, 0, 0,
+ N_("exclude directories containing CACHEDIR.TAG"), GRID+1 },
+ {"exclude-tag", EXCLUDE_TAG_OPTION, N_("FILE"), 0,
+ N_("exclude contents of directories containing FILE, except"
+ " for FILE itself"), GRID+1 },
+ {"exclude-tag-under", EXCLUDE_TAG_UNDER_OPTION, N_("FILE"), 0,
+ N_("exclude everything under directories containing FILE"), GRID+1 },
+ {"exclude-tag-all", EXCLUDE_TAG_ALL_OPTION, N_("FILE"), 0,
+ N_("exclude directories containing FILE"), GRID+1 },
+ {"exclude-vcs", EXCLUDE_VCS_OPTION, NULL, 0,
+ N_("exclude version control system directories"), GRID+1 },
+ {"exclude-backups", EXCLUDE_BACKUPS_OPTION, NULL, 0,
+ N_("exclude backup and lock files"), GRID+1 },
+ {"no-recursion", NO_RECURSION_OPTION, 0, 0,
+ N_("avoid descending automatically in directories"), GRID+1 },
+ {"one-file-system", ONE_FILE_SYSTEM_OPTION, 0, 0,
+ N_("stay in local file system when creating archive"), GRID+1 },
+ {"recursion", RECURSION_OPTION, 0, 0,
+ N_("recurse into directories (default)"), GRID+1 },
+ {"absolute-names", 'P', 0, 0,
+ N_("don't strip leading `/'s from file names"), GRID+1 },
+ {"dereference", 'h', 0, 0,
+ N_("follow symlinks; archive and dump the files they point to"), GRID+1 },
+ {"hard-dereference", HARD_DEREFERENCE_OPTION, 0, 0,
+ N_("follow hard links; archive and dump the files they refer to"), GRID+1 },
+ {"starting-file", 'K', N_("MEMBER-NAME"), 0,
+ N_("begin at member MEMBER-NAME in the archive"), GRID+1 },
+ {"newer", 'N', N_("DATE-OR-FILE"), 0,
+ N_("only store files newer than DATE-OR-FILE"), GRID+1 },
+ {"after-date", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"newer-mtime", NEWER_MTIME_OPTION, N_("DATE"), 0,
+ N_("compare date and time when data changed only"), GRID+1 },
+ {"backup", BACKUP_OPTION, N_("CONTROL"), OPTION_ARG_OPTIONAL,
+ N_("backup before removal, choose version CONTROL"), GRID+1 },
+ {"suffix", SUFFIX_OPTION, N_("STRING"), 0,
+ N_("backup before removal, override usual suffix ('~' unless overridden by environment variable SIMPLE_BACKUP_SUFFIX)"), GRID+1 },
+#undef GRID
+
+#define GRID 110
+ {NULL, 0, NULL, 0,
+ N_("File name transformations:"), GRID },
+ {"strip-components", STRIP_COMPONENTS_OPTION, N_("NUMBER"), 0,
+ N_("strip NUMBER leading components from file names on extraction"),
+ GRID+1 },
+ {"transform", TRANSFORM_OPTION, N_("EXPRESSION"), 0,
+ N_("use sed replace EXPRESSION to transform file names"), GRID+1 },
+ {"xform", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+#undef GRID
+
+#define GRID 120
+ {NULL, 0, NULL, 0,
+ N_("File name matching options (affect both exclude and include patterns):"),
+ GRID },
+ {"ignore-case", IGNORE_CASE_OPTION, 0, 0,
+ N_("ignore case"), GRID+1 },
+ {"anchored", ANCHORED_OPTION, 0, 0,
+ N_("patterns match file name start"), GRID+1 },
+ {"no-anchored", NO_ANCHORED_OPTION, 0, 0,
+ N_("patterns match after any `/' (default for exclusion)"), GRID+1 },
+ {"no-ignore-case", NO_IGNORE_CASE_OPTION, 0, 0,
+ N_("case sensitive matching (default)"), GRID+1 },
+ {"wildcards", WILDCARDS_OPTION, 0, 0,
+ N_("use wildcards (default for exclusion)"), GRID+1 },
+ {"no-wildcards", NO_WILDCARDS_OPTION, 0, 0,
+ N_("verbatim string matching"), GRID+1 },
+ {"no-wildcards-match-slash", NO_WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
+ N_("wildcards do not match `/'"), GRID+1 },
+ {"wildcards-match-slash", WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
+ N_("wildcards match `/' (default for exclusion)"), GRID+1 },
+#undef GRID
+
+#define GRID 130
+ {NULL, 0, NULL, 0,
+ N_("Informative output:"), GRID },
+
+ {"verbose", 'v', 0, 0,
+ N_("verbosely list files processed"), GRID+1 },
+ {"warning", WARNING_OPTION, N_("KEYWORD"), 0,
+ N_("warning control"), GRID+1 },
+ {"checkpoint", CHECKPOINT_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
+ N_("display progress messages every NUMBERth record (default 10)"),
+ GRID+1 },
+ {"checkpoint-action", CHECKPOINT_ACTION_OPTION, N_("ACTION"), 0,
+ N_("execute ACTION on each checkpoint"),
+ GRID+1 },
+ {"check-links", 'l', 0, 0,
+ N_("print a message if not all links are dumped"), GRID+1 },
+ {"totals", TOTALS_OPTION, N_("SIGNAL"), OPTION_ARG_OPTIONAL,
+ N_("print total bytes after processing the archive; "
+ "with an argument - print total bytes when this SIGNAL is delivered; "
+ "Allowed signals are: SIGHUP, SIGQUIT, SIGINT, SIGUSR1 and SIGUSR2; "
+ "the names without SIG prefix are also accepted"), GRID+1 },
+ {"utc", UTC_OPTION, 0, 0,
+ N_("print file modification dates in UTC"), GRID+1 },
+ {"index-file", INDEX_FILE_OPTION, N_("FILE"), 0,
+ N_("send verbose output to FILE"), GRID+1 },
+ {"block-number", 'R', 0, 0,
+ N_("show block number within archive with each message"), GRID+1 },
+ {"interactive", 'w', 0, 0,
+ N_("ask for confirmation for every action"), GRID+1 },
+ {"confirmation", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"show-defaults", SHOW_DEFAULTS_OPTION, 0, 0,
+ N_("show tar defaults"), GRID+1 },
+ {"show-omitted-dirs", SHOW_OMITTED_DIRS_OPTION, 0, 0,
+ N_("when listing or extracting, list each directory that does not match search criteria"), GRID+1 },
+ {"show-transformed-names", SHOW_TRANSFORMED_NAMES_OPTION, 0, 0,
+ N_("show file or archive names after transformation"),
+ GRID+1 },
+ {"show-stored-names", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"quoting-style", QUOTING_STYLE_OPTION, N_("STYLE"), 0,
+ N_("set name quoting style; see below for valid STYLE values"), GRID+1 },
+ {"quote-chars", QUOTE_CHARS_OPTION, N_("STRING"), 0,
+ N_("additionally quote characters from STRING"), GRID+1 },
+ {"no-quote-chars", NO_QUOTE_CHARS_OPTION, N_("STRING"), 0,
+ N_("disable quoting for characters from STRING"), GRID+1 },
+#undef GRID
+
+#define GRID 140
+ {NULL, 0, NULL, 0,
+ N_("Compatibility options:"), GRID },
+
+ {NULL, 'o', 0, 0,
+ N_("when creating, same as --old-archive; when extracting, same as --no-same-owner"), GRID+1 },
+#undef GRID
+
+#define GRID 150
+ {NULL, 0, NULL, 0,
+ N_("Other options:"), GRID },
+
+ {"restrict", RESTRICT_OPTION, 0, 0,
+ N_("disable use of some potentially harmful options"), -1 },
+#undef GRID
+
+ {0, 0, 0, 0, 0, 0}
+};
+
+static char const *const atime_preserve_args[] =
+{
+ "replace", "system", NULL
+};
+
+static enum atime_preserve const atime_preserve_types[] =
+{
+ replace_atime_preserve, system_atime_preserve
+};
+
+/* Make sure atime_preserve_types has as much entries as atime_preserve_args
+ (minus 1 for NULL guard) */
+ARGMATCH_VERIFY (atime_preserve_args, atime_preserve_types);
+
+/* Wildcard matching settings */
+enum wildcards
+ {
+ default_wildcards, /* For exclusion == enable_wildcards,
+ for inclusion == disable_wildcards */
+ disable_wildcards,
+ enable_wildcards
+ };
+
+struct tar_args /* Variables used during option parsing */
+{
+ struct textual_date *textual_date; /* Keeps the arguments to --newer-mtime
+ and/or --date option if they are
+ textual dates */
+ enum wildcards wildcards; /* Wildcard settings (--wildcards/
+ --no-wildcards) */
+ int matching_flags; /* exclude_fnmatch options */
+ int include_anchored; /* Pattern anchoring options used for
+ file inclusion */
+ bool o_option; /* True if -o option was given */
+ bool pax_option; /* True if --pax-option was given */
+ char const *backup_suffix_string; /* --suffix option argument */
+ char const *version_control_string; /* --backup option argument */
+ bool input_files; /* True if some input files where given */
+ int compress_autodetect; /* True if compression autodetection should
+ be attempted when creating archives */
+};
+
+\f
+#define MAKE_EXCL_OPTIONS(args) \
+ ((((args)->wildcards != disable_wildcards) ? EXCLUDE_WILDCARDS : 0) \
+ | (args)->matching_flags \
+ | recursion_option)
+
+#define MAKE_INCL_OPTIONS(args) \
+ ((((args)->wildcards == enable_wildcards) ? EXCLUDE_WILDCARDS : 0) \
+ | (args)->include_anchored \
+ | (args)->matching_flags \
+ | recursion_option)
+
+static char const * const vcs_file_table[] = {
+ /* CVS: */
+ "CVS",
+ ".cvsignore",
+ /* RCS: */
+ "RCS",
+ /* SCCS: */
+ "SCCS",
+ /* SVN: */
+ ".svn",
+ /* git: */
+ ".git",
+ ".gitignore",
+ /* Arch: */
+ ".arch-ids",
+ "{arch}",
+ "=RELEASE-ID",
+ "=meta-update",
+ "=update",
+ /* Bazaar */
+ ".bzr",
+ ".bzrignore",
+ ".bzrtags",
+ /* Mercurial */
+ ".hg",
+ ".hgignore",
+ ".hgtags",
+ /* darcs */
+ "_darcs",
+ NULL
+};
+
+static char const * const backup_file_table[] = {
+ ".#*",
+ "*~",
+ "#*#",
+ NULL
+};
+
+void
+add_exclude_array (char const * const * fv)
+{
+ int i;
+
+ for (i = 0; fv[i]; i++)
+ add_exclude (excluded, fv[i], 0);
+}
+
+\f
+static char *
+format_default_settings (void)
+{
+ char *s;
+
+ asprintf (&s,
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s"
+#ifdef REMOTE_SHELL
+ " --rsh-command=%s"
+#endif
+ ,
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT),
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
+ quoting_style_args[DEFAULT_QUOTING_STYLE],
+ DEFAULT_RMT_COMMAND,
+#ifdef REMOTE_SHELL
+ REMOTE_SHELL
+#endif
+ );
+ return s;
+}
+
+\f
+static void
+set_subcommand_option (enum subcommand subcommand)
+{
+ if (subcommand_option != UNKNOWN_SUBCOMMAND
+ && subcommand_option != subcommand)
+ USAGE_ERROR ((0, 0,
+ _("You may not specify more than one `-Acdtrux' option")));
+
+ subcommand_option = subcommand;
+}
+
+static void
+set_use_compress_program_option (const char *string)
+{
+ if (use_compress_program_option
+ && strcmp (use_compress_program_option, string) != 0)
+ USAGE_ERROR ((0, 0, _("Conflicting compression options")));
+
+ use_compress_program_option = string;
+}
+\f
+static RETSIGTYPE
+sigstat (int signo)
+{
+ compute_duration ();
+ print_total_stats ();
+#ifndef HAVE_SIGACTION
+ signal (signo, sigstat);
+#endif
+}
+
+static void
+stat_on_signal (int signo)
+{
+#ifdef HAVE_SIGACTION
+ struct sigaction act;
+ act.sa_handler = sigstat;
+ sigemptyset (&act.sa_mask);
+ act.sa_flags = 0;
+ sigaction (signo, &act, NULL);
+#else
+ signal (signo, sigstat);
+#endif
+}
+
+void
+set_stat_signal (const char *name)
+{
+ static struct sigtab
+ {
+ char *name;
+ int signo;
+ } sigtab[] = {
+ { "SIGUSR1", SIGUSR1 },
+ { "USR1", SIGUSR1 },
+ { "SIGUSR2", SIGUSR2 },
+ { "USR2", SIGUSR2 },
+ { "SIGHUP", SIGHUP },
+ { "HUP", SIGHUP },
+ { "SIGINT", SIGINT },
+ { "INT", SIGINT },
+ { "SIGQUIT", SIGQUIT },
+ { "QUIT", SIGQUIT }
+ };
+ struct sigtab *p;
+
+ for (p = sigtab; p < sigtab + sizeof (sigtab) / sizeof (sigtab[0]); p++)
+ if (strcmp (p->name, name) == 0)
+ {
+ stat_on_signal (p->signo);
+ return;
+ }
+ FATAL_ERROR ((0, 0, _("Unknown signal name: %s"), name));
+}
+
+\f
+struct textual_date
+{
+ struct textual_date *next;
+ struct timespec *ts;
+ const char *option;
+ const char *date;
+};
+
+static void
+get_date_or_file (struct tar_args *args, const char *option,
+ const char *str, struct timespec *ts)
+{
+ if (FILE_SYSTEM_PREFIX_LEN (str) != 0
+ || ISSLASH (*str)
+ || *str == '.')
+ {
+ struct stat st;
+ if (deref_stat (dereference_option, str, &st) != 0)
+ {
+ stat_error (str);
+ USAGE_ERROR ((0, 0, _("Date sample file not found")));
+ }
+ *ts = get_stat_mtime (&st);
+ }
+ else
+ {
+ if (! get_date (ts, str, NULL))
+ {
+ WARN ((0, 0, _("Substituting %s for unknown date format %s"),
+ tartime (*ts, false), quote (str)));
+ ts->tv_nsec = 0;
+ }
+ else
+ {
+ struct textual_date *p = xmalloc (sizeof (*p));
+ p->ts = ts;
+ p->option = option;
+ p->date = str;
+ p->next = args->textual_date;
+ args->textual_date = p;
+ }
+ }
+}
+
+static void
+report_textual_dates (struct tar_args *args)
+{
+ struct textual_date *p;
+ for (p = args->textual_date; p; )
+ {
+ struct textual_date *next = p->next;
+ char const *treated_as = tartime (*p->ts, true);
+ if (strcmp (p->date, treated_as) != 0)
+ WARN ((0, 0, _("Option %s: Treating date `%s' as %s"),
+ p->option, p->date, treated_as));
+ free (p);
+ p = next;
+ }
+}
+
+\f
+
+/* Either NL or NUL, as decided by the --null option. */
+static char filename_terminator;
+
+enum read_file_list_state /* Result of reading file name from the list file */
+ {
+ file_list_success, /* OK, name read successfully */
+ file_list_end, /* End of list file */
+ file_list_zero, /* Zero separator encountered where it should not */
+ file_list_skip /* Empty (zero-length) entry encountered, skip it */
+ };
+
+/* Read from FP a sequence of characters up to TERM and put them
+ into STK.
+ */
+static enum read_file_list_state
+read_name_from_file (FILE *fp, struct obstack *stk, int term)
+{
+ int c;
+ size_t counter = 0;
+
+ for (c = getc (fp); c != EOF && c != term; c = getc (fp))
+ {
+ if (c == 0)
+ {
+ /* We have read a zero separator. The file possibly is
+ zero-separated */
+ return file_list_zero;
+ }
+ obstack_1grow (stk, c);
+ counter++;
+ }
+
+ if (counter == 0 && c != EOF)
+ return file_list_skip;
+
+ obstack_1grow (stk, 0);
+
+ return (counter == 0 && c == EOF) ? file_list_end : file_list_success;
+}
+
+\f
+static bool files_from_option; /* When set, tar will not refuse to create
+ empty archives */
+static struct obstack argv_stk; /* Storage for additional command line options
+ read using -T option */
+
+/* Prevent recursive inclusion of the same file */
+struct file_id_list
+{
+ struct file_id_list *next;
+ ino_t ino;
+ dev_t dev;