/* A tar (tape archiver) program.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
- 2001, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Written by John Gilmore, starting 1985-08-25.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any later
+ Free Software Foundation; either version 3, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-#include "system.h"
+#include <system.h>
#include <fnmatch.h>
-#include <getopt.h>
+#include <argp.h>
+#include <argp-namefrob.h>
+#include <argp-fmtstream.h>
#include <signal.h>
#if ! defined SIGCHLD && defined SIGCLD
#define GLOBAL
#include "common.h"
+#include <argmatch.h>
+#include <closeout.h>
+#include <configmake.h>
+#include <exitfail.h>
#include <getdate.h>
-#include <localedir.h>
+#include <rmt.h>
+#include <rmt-command.h>
#include <prepargs.h>
#include <quotearg.h>
+#include <version-etc.h>
#include <xstrtol.h>
+#include <stdopen.h>
/* Local declarations. */
stdin_used_by = option;
}
-/* Returns true if and only if the user typed 'y' or 'Y'. */
+extern int rpmatch (char const *response);
+
+/* Returns true if and only if the user typed an affirmative response. */
int
confirm (const char *message_action, const char *message_name)
{
static FILE *confirm_file;
static int confirm_file_EOF;
+ bool status = false;
if (!confirm_file)
{
fprintf (stdlis, "%s %s?", message_action, quote (message_name));
fflush (stdlis);
- {
- int reply = confirm_file_EOF ? EOF : getc (confirm_file);
- int character;
+ if (!confirm_file_EOF)
+ {
+ char *response = NULL;
+ size_t response_size = 0;
+ if (getline (&response, &response_size, confirm_file) < 0)
+ confirm_file_EOF = 1;
+ else
+ status = rpmatch (response) > 0;
+ free (response);
+ }
- for (character = reply;
- character != '\n';
- character = getc (confirm_file))
- if (character == EOF)
- {
- confirm_file_EOF = 1;
- fputc ('\n', stdlis);
- fflush (stdlis);
- break;
- }
- return reply == 'y' || reply == 'Y';
- }
+ if (confirm_file_EOF)
+ {
+ fputc ('\n', stdlis);
+ fflush (stdlis);
+ }
+
+ return status;
}
static struct fmttab {
{ "star", STAR_FORMAT },
#endif
{ "gnu", GNU_FORMAT },
- { NULL, 0 }
+ { "pax", POSIX_FORMAT }, /* An alias for posix */
+ { NULL, 0 }
};
static void
archive_format = p->fmt;
}
-static const char *
+const char *
archive_format_string (enum archive_format fmt)
{
struct fmttab const *p;
static void
assert_format(unsigned fmt_mask)
{
- if ((FORMAT_MASK(archive_format) & fmt_mask) == 0)
+ if ((FORMAT_MASK (archive_format) & fmt_mask) == 0)
USAGE_ERROR ((0, 0,
_("GNU features wanted on incompatible archive format")));
}
+const char *
+subcommand_string (enum subcommand c)
+{
+ switch (c)
+ {
+ case UNKNOWN_SUBCOMMAND:
+ return "unknown?";
+
+ case APPEND_SUBCOMMAND:
+ return "-r";
+
+ case CAT_SUBCOMMAND:
+ return "-A";
+
+ case CREATE_SUBCOMMAND:
+ return "-c";
+
+ case DELETE_SUBCOMMAND:
+ return "-D";
+
+ case DIFF_SUBCOMMAND:
+ return "-d";
+
+ case EXTRACT_SUBCOMMAND:
+ return "-x";
+
+ case LIST_SUBCOMMAND:
+ return "-t";
+
+ case UPDATE_SUBCOMMAND:
+ return "-u";
+
+ default:
+ abort ();
+ }
+}
+
+void
+tar_list_quoting_styles (argp_fmtstream_t fs, char *prefix)
+{
+ int i;
+
+ for (i = 0; quoting_style_args[i]; i++)
+ argp_fmtstream_printf (fs, "%s%s\n", prefix, quoting_style_args[i]);
+}
+
+void
+tar_set_quoting_style (char *arg)
+{
+ int i;
+
+ for (i = 0; quoting_style_args[i]; i++)
+ if (strcmp (arg, quoting_style_args[i]) == 0)
+ {
+ set_quoting_style (NULL, i);
+ return;
+ }
+ FATAL_ERROR ((0, 0,
+ _("Unknown quoting style `%s'. Try `%s --quoting-style=help' to get a list."), arg, program_invocation_short_name));
+}
\f
/* Options. */
-/* For long options that unconditionally set a single flag, we have getopt
- do it. For the others, we share the code for the equivalent short
- named option, the name of which is stored in the otherwise-unused `val'
- field of the `struct option'; for long options that have no equivalent
- short option, we use non-characters as pseudo short options,
- starting at CHAR_MAX + 1 and going upwards. */
-
enum
{
ANCHORED_OPTION = CHAR_MAX + 1,
ATIME_PRESERVE_OPTION,
BACKUP_OPTION,
+ CHECK_DEVICE_OPTION,
CHECKPOINT_OPTION,
+ CHECKPOINT_ACTION_OPTION,
+ DELAY_DIRECTORY_RESTORE_OPTION,
+ HARD_DEREFERENCE_OPTION,
DELETE_OPTION,
+ EXCLUDE_CACHES_OPTION,
+ EXCLUDE_CACHES_UNDER_OPTION,
+ EXCLUDE_CACHES_ALL_OPTION,
EXCLUDE_OPTION,
+ EXCLUDE_TAG_OPTION,
+ EXCLUDE_TAG_UNDER_OPTION,
+ EXCLUDE_TAG_ALL_OPTION,
+ EXCLUDE_VCS_OPTION,
FORCE_LOCAL_OPTION,
- FORMAT_OPTION,
GROUP_OPTION,
+ HANG_OPTION,
IGNORE_CASE_OPTION,
+ IGNORE_COMMAND_ERROR_OPTION,
IGNORE_FAILED_READ_OPTION,
INDEX_FILE_OPTION,
KEEP_NEWER_FILES_OPTION,
+ LZOP_OPTION,
MODE_OPTION,
+ MTIME_OPTION,
NEWER_MTIME_OPTION,
NO_ANCHORED_OPTION,
+ NO_AUTO_COMPRESS_OPTION,
+ NO_CHECK_DEVICE_OPTION,
+ NO_DELAY_DIRECTORY_RESTORE_OPTION,
NO_IGNORE_CASE_OPTION,
+ NO_IGNORE_COMMAND_ERROR_OPTION,
+ NO_NULL_OPTION,
NO_OVERWRITE_DIR_OPTION,
- NO_WILDCARDS_OPTION,
+ NO_QUOTE_CHARS_OPTION,
+ NO_RECURSION_OPTION,
+ NO_SAME_OWNER_OPTION,
+ NO_SAME_PERMISSIONS_OPTION,
+ NO_UNQUOTE_OPTION,
NO_WILDCARDS_MATCH_SLASH_OPTION,
+ NO_WILDCARDS_OPTION,
NULL_OPTION,
NUMERIC_OWNER_OPTION,
OCCURRENCE_OPTION,
+ OLD_ARCHIVE_OPTION,
+ ONE_FILE_SYSTEM_OPTION,
+ OVERWRITE_DIR_OPTION,
OVERWRITE_OPTION,
OWNER_OPTION,
PAX_OPTION,
POSIX_OPTION,
PRESERVE_OPTION,
+ QUOTE_CHARS_OPTION,
+ QUOTING_STYLE_OPTION,
RECORD_SIZE_OPTION,
+ RECURSION_OPTION,
RECURSIVE_UNLINK_OPTION,
REMOVE_FILES_OPTION,
+ RESTRICT_OPTION,
RMT_COMMAND_OPTION,
RSH_COMMAND_OPTION,
+ SAME_OWNER_OPTION,
SHOW_DEFAULTS_OPTION,
SHOW_OMITTED_DIRS_OPTION,
- STRIP_PATH_OPTION,
+ SHOW_TRANSFORMED_NAMES_OPTION,
+ SPARSE_VERSION_OPTION,
+ STRIP_COMPONENTS_OPTION,
SUFFIX_OPTION,
+ TEST_LABEL_OPTION,
TOTALS_OPTION,
- USE_COMPRESS_PROGRAM_OPTION,
+ TO_COMMAND_OPTION,
+ TRANSFORM_OPTION,
+ UNQUOTE_OPTION,
+ USAGE_OPTION,
UTC_OPTION,
+ VERSION_OPTION,
VOLNO_FILE_OPTION,
- WILDCARDS_OPTION,
- WILDCARDS_MATCH_SLASH_OPTION
-};
-
-/* If nonzero, display usage information and exit. */
-static int show_help;
-
-/* If nonzero, print the version on standard output and exit. */
-static int show_version;
-
-static struct option long_options[] =
-{
- {"absolute-names", no_argument, 0, 'P'},
- {"after-date", required_argument, 0, 'N'},
- {"anchored", no_argument, 0, ANCHORED_OPTION},
- {"append", no_argument, 0, 'r'},
- {"atime-preserve", no_argument, 0, ATIME_PRESERVE_OPTION},
- {"backup", optional_argument, 0, BACKUP_OPTION},
- {"block-number", no_argument, 0, 'R'},
- {"blocking-factor", required_argument, 0, 'b'},
- {"bzip2", no_argument, 0, 'j'},
- {"catenate", no_argument, 0, 'A'},
- {"checkpoint", no_argument, 0, CHECKPOINT_OPTION},
- {"check-links", no_argument, &check_links_option, 1},
- {"compare", no_argument, 0, 'd'},
- {"compress", no_argument, 0, 'Z'},
- {"concatenate", no_argument, 0, 'A'},
- {"confirmation", no_argument, 0, 'w'},
- /* FIXME: --selective as a synonym for --confirmation? */
- {"create", no_argument, 0, 'c'},
- {"delete", no_argument, 0, DELETE_OPTION},
- {"dereference", no_argument, 0, 'h'},
- {"diff", no_argument, 0, 'd'},
- {"directory", required_argument, 0, 'C'},
- {"exclude", required_argument, 0, EXCLUDE_OPTION},
- {"exclude-from", required_argument, 0, 'X'},
- {"extract", no_argument, 0, 'x'},
- {"file", required_argument, 0, 'f'},
- {"files-from", required_argument, 0, 'T'},
- {"force-local", no_argument, 0, FORCE_LOCAL_OPTION},
- {"format", required_argument, 0, FORMAT_OPTION},
- {"get", no_argument, 0, 'x'},
- {"group", required_argument, 0, GROUP_OPTION},
- {"gunzip", no_argument, 0, 'z'},
- {"gzip", no_argument, 0, 'z'},
- {"help", no_argument, &show_help, 1},
- {"ignore-case", no_argument, 0, IGNORE_CASE_OPTION},
- {"ignore-failed-read", no_argument, 0, IGNORE_FAILED_READ_OPTION},
- {"ignore-zeros", no_argument, 0, 'i'},
- /* FIXME: --ignore-end as a new name for --ignore-zeros? */
- {"incremental", no_argument, 0, 'G'},
- {"index-file", required_argument, 0, INDEX_FILE_OPTION},
- {"info-script", required_argument, 0, 'F'},
- {"interactive", no_argument, 0, 'w'},
- {"keep-newer-files", no_argument, 0, KEEP_NEWER_FILES_OPTION},
- {"keep-old-files", no_argument, 0, 'k'},
- {"label", required_argument, 0, 'V'},
- {"list", no_argument, 0, 't'},
- {"listed-incremental", required_argument, 0, 'g'},
- {"mode", required_argument, 0, MODE_OPTION},
- {"multi-volume", no_argument, 0, 'M'},
- {"new-volume-script", required_argument, 0, 'F'},
- {"newer", required_argument, 0, 'N'},
- {"newer-mtime", required_argument, 0, NEWER_MTIME_OPTION},
- {"null", no_argument, 0, NULL_OPTION},
- {"no-anchored", no_argument, 0, NO_ANCHORED_OPTION},
- {"no-ignore-case", no_argument, 0, NO_IGNORE_CASE_OPTION},
- {"no-overwrite-dir", no_argument, 0, NO_OVERWRITE_DIR_OPTION},
- {"no-wildcards", no_argument, 0, NO_WILDCARDS_OPTION},
- {"no-wildcards-match-slash", no_argument, 0, NO_WILDCARDS_MATCH_SLASH_OPTION},
- {"no-recursion", no_argument, &recursion_option, 0},
- {"no-same-owner", no_argument, &same_owner_option, -1},
- {"no-same-permissions", no_argument, &same_permissions_option, -1},
- {"numeric-owner", no_argument, 0, NUMERIC_OWNER_OPTION},
- {"occurrence", optional_argument, 0, OCCURRENCE_OPTION},
- {"old-archive", no_argument, 0, 'o'},
- {"one-file-system", no_argument, 0, 'l'},
- {"overwrite", no_argument, 0, OVERWRITE_OPTION},
- {"owner", required_argument, 0, OWNER_OPTION},
- {"pax-option", required_argument, 0, PAX_OPTION},
- {"portability", no_argument, 0, 'o'},
- {"posix", no_argument, 0, POSIX_OPTION},
- {"preserve", no_argument, 0, PRESERVE_OPTION},
- {"preserve-order", no_argument, 0, 's'},
- {"preserve-permissions", no_argument, 0, 'p'},
- {"recursion", no_argument, &recursion_option, FNM_LEADING_DIR},
- {"recursive-unlink", no_argument, 0, RECURSIVE_UNLINK_OPTION},
- {"read-full-records", no_argument, 0, 'B'},
- /* FIXME: --partial-blocks might be a synonym for --read-full-records? */
- {"record-size", required_argument, 0, RECORD_SIZE_OPTION},
- {"remove-files", no_argument, 0, REMOVE_FILES_OPTION},
- {"rmt-command", required_argument, 0, RMT_COMMAND_OPTION},
- {"rsh-command", required_argument, 0, RSH_COMMAND_OPTION},
- {"same-order", no_argument, 0, 's'},
- {"same-owner", no_argument, &same_owner_option, 1},
- {"same-permissions", no_argument, 0, 'p'},
- {"show-defaults", no_argument, 0, SHOW_DEFAULTS_OPTION},
- {"show-omitted-dirs", no_argument, 0, SHOW_OMITTED_DIRS_OPTION},
- {"sparse", no_argument, 0, 'S'},
- {"starting-file", required_argument, 0, 'K'},
- {"strip-path", required_argument, 0, STRIP_PATH_OPTION },
- {"suffix", required_argument, 0, SUFFIX_OPTION},
- {"tape-length", required_argument, 0, 'L'},
- {"to-stdout", no_argument, 0, 'O'},
- {"totals", no_argument, 0, TOTALS_OPTION},
- {"touch", no_argument, 0, 'm'},
- {"uncompress", no_argument, 0, 'Z'},
- {"ungzip", no_argument, 0, 'z'},
- {"unlink-first", no_argument, 0, 'U'},
- {"update", no_argument, 0, 'u'},
- {"utc", no_argument, 0, UTC_OPTION },
- {"use-compress-program", required_argument, 0, USE_COMPRESS_PROGRAM_OPTION},
- {"verbose", no_argument, 0, 'v'},
- {"verify", no_argument, 0, 'W'},
- {"version", no_argument, &show_version, 1},
- {"volno-file", required_argument, 0, VOLNO_FILE_OPTION},
- {"wildcards", no_argument, 0, WILDCARDS_OPTION},
- {"wildcards-match-slash", no_argument, 0, WILDCARDS_MATCH_SLASH_OPTION},
-
- {0, 0, 0, 0}
+ WILDCARDS_MATCH_SLASH_OPTION,
+ WILDCARDS_OPTION
};
-/* Print a usage message and exit with STATUS. */
-void
-usage (int status)
-{
- if (status != TAREXIT_SUCCESS)
- fprintf (stderr, _("Try `%s --help' for more information.\n"),
- program_name);
- else
- {
- fputs (_("\
-GNU `tar' saves many files together into a single tape or disk archive, and\n\
-can restore individual files from the archive.\n"),
- stdout);
- printf (_("\nUsage: %s [OPTION]... [FILE]...\n\
+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\
- %s -cf archive.tar foo bar # Create archive.tar from files foo and bar.\n\
- %s -tvf archive.tar # List all files in archive.tar verbosely.\n\
- %s -xf archive.tar # Extract all files from archive.tar.\n"),
- program_name, program_name, program_name, program_name);
- fputs (_("\
-\n\
-If a long option shows an argument as mandatory, then it is mandatory\n\
-for the equivalent short option also. Similarly for optional arguments.\n"),
- stdout);
- fputs(_("\
-\n\
-Main operation mode:\n\
- -t, --list list the contents of an archive\n\
- -x, --extract, --get extract files from an archive\n\
- -c, --create create a new archive\n\
- -d, --diff, --compare find differences between archive and file system\n\
- -r, --append append files to the end of an archive\n\
- -u, --update only append files newer than copy in archive\n\
- -A, --catenate append tar files to an archive\n\
- --concatenate same as -A\n\
- --delete delete from the archive (not on mag tapes!)\n"),
- stdout);
- fputs (_("\
-\n\
-Operation modifiers:\n\
- -W, --verify attempt to verify the archive after writing it\n\
- --remove-files remove files after adding them to the archive\n\
- -k, --keep-old-files don't replace existing files when extracting\n\
- --keep-newer-files don't replace existing files that are newer\n\
- than their archive copies\n\
- --overwrite overwrite existing files when extracting\n\
- --no-overwrite-dir preserve metadata of existing directories\n\
- -U, --unlink-first remove each file prior to extracting over it\n\
- --recursive-unlink empty hierarchies prior to extracting directory\n\
- -S, --sparse handle sparse files efficiently\n\
- -O, --to-stdout extract files to standard output\n\
- -G, --incremental handle old GNU-format incremental backup\n\
- -g, --listed-incremental=FILE\n\
- handle new GNU-format incremental backup\n\
- --ignore-failed-read do not exit with nonzero on unreadable files\n\
- --occurrence[=NUM] process only the NUMth occurrence of each file in\n\
- the archive. This option is valid only in\n\
- conjunction with one of the subcommands --delete,\n\
- --diff, --extract or --list and when a list of\n\
- files is given either on the command line or\n\
- via -T option.\n\
- NUM defaults to 1.\n"),
- stdout);
- fputs (_("\
-\n\
-Handling of file attributes:\n\
- --owner=NAME force NAME as owner for added files\n\
- --group=NAME force NAME as group for added files\n\
- --mode=CHANGES force (symbolic) mode CHANGES for added files\n\
- --atime-preserve don't change access times on dumped files\n\
- -m, --modification-time don't extract file modified time\n\
- --same-owner try extracting files with the same ownership\n\
- --no-same-owner extract files as yourself\n\
- --numeric-owner always use numbers for user/group names\n\
- -p, --same-permissions extract permissions information\n\
- --no-same-permissions do not extract permissions information\n\
- --preserve-permissions same as -p\n\
- -s, --same-order sort names to extract to match archive\n\
- --preserve-order same as -s\n\
- --preserve same as both -p and -s\n"),
- stdout);
- fputs (_("\
-\n\
-Device selection and switching:\n\
- -f, --file=ARCHIVE use archive file or device ARCHIVE\n\
- --force-local archive file is local even if has a colon\n\
- --rmt-command=COMMAND use given rmt COMMAND instead of /etc/rmt\n\
- --rsh-command=COMMAND use remote COMMAND instead of rsh\n\
- -[0-7][lmh] specify drive and density\n\
- -M, --multi-volume create/list/extract multi-volume archive\n\
- -L, --tape-length=NUM change tape after writing NUM x 1024 bytes\n\
- -F, --info-script=FILE run script at end of each tape (implies -M)\n\
- --new-volume-script=FILE same as -F FILE\n\
- --volno-file=FILE use/update the volume number in FILE\n"),
- stdout);
- fputs (_("\
-\n\
-Device blocking:\n\
- -b, --blocking-factor=BLOCKS BLOCKS x 512 bytes per record\n\
- --record-size=SIZE SIZE bytes per record, multiple of 512\n\
- -i, --ignore-zeros ignore zeroed blocks in archive (means EOF)\n\
- -B, --read-full-records reblock as we read (for 4.2BSD pipes)\n"),
- stdout);
- fputs (_("\
-\n\
-Archive format selection:\n\
- --format=FMTNAME create archive of the given format.\n\
- FMTNAME is one of the following:\n\
- v7 old V7 tar format\n\
- oldgnu GNU format as per tar <= 1.12\n\
- gnu GNU tar 1.13 format\n\
- ustar POSIX 1003.1-1988 (ustar) format\n\
- posix POSIX 1003.1-2001 (pax) format\n\
- --old-archive, --portability same as --format=v7\n\
- --posix same as --format=posix\n\
- --pax-option keyword[[:]=value][,keyword[[:]=value], ...]\n\
- control pax keywords\n\
- -V, --label=NAME create archive with volume name NAME\n\
- PATTERN at list/extract time, a globbing PATTERN\n\
- -j, --bzip2 filter the archive through bzip2\n\
- -z, --gzip, --ungzip filter the archive through gzip\n\
- -Z, --compress, --uncompress filter the archive through compress\n\
- --use-compress-program=PROG filter through PROG (must accept -d)\n"),
- stdout);
- fputs (_("\
-\n\
-Local file selection:\n\
- -C, --directory=DIR change to directory DIR\n\
- -T, --files-from=NAME get names to extract or create from file NAME\n\
- --null -T reads null-terminated names, disable -C\n\
- --exclude=PATTERN exclude files, given as a PATTERN\n\
- -X, --exclude-from=FILE exclude patterns listed in FILE\n\
- --anchored exclude patterns match file name start (default)\n\
- --no-anchored exclude patterns match after any /\n\
- --ignore-case exclusion ignores case\n\
- --no-ignore-case exclusion is case sensitive (default)\n\
- --wildcards exclude patterns use wildcards (default)\n\
- --no-wildcards exclude patterns are plain strings\n\
- --wildcards-match-slash exclude pattern wildcards match '/' (default)\n\
- --no-wildcards-match-slash exclude pattern wildcards do not match '/'\n\
- -P, --absolute-names don't strip leading `/'s from file names\n\
- -h, --dereference dump instead the files symlinks point to\n\
- --no-recursion avoid descending automatically in directories\n\
- -l, --one-file-system stay in local file system when creating archive\n\
- -K, --starting-file=NAME begin at file NAME in the archive\n\
- --strip-path=NUM strip NUM leading components from file names\n\
- before extraction\n"),
- stdout);
-#if !MSDOS
- fputs (_("\
- -N, --newer=DATE-OR-FILE only store files newer than DATE-OR-FILE\n\
- --newer-mtime=DATE compare date and time when data changed only\n\
- --after-date=DATE same as -N\n"),
- stdout);
-#endif
- fputs (_("\
- --backup[=CONTROL] backup before removal, choose version control\n\
- --suffix=SUFFIX backup before removal, override usual suffix\n"),
- stdout);
- fputs (_("\
-\n\
-Informative output:\n\
- --help print this help, then exit\n\
- --version print tar program version number, then exit\n\
- -v, --verbose verbosely list files processed\n\
- --checkpoint print directory names while reading the archive\n\
- --check-links print a message if not all links are dumped\n\
- --totals print total bytes written while creating archive\n\
- --index-file=FILE send verbose output to FILE\n\
- --utc print file modification dates in UTC\n\
- -R, --block-number show block number within archive with each message\n\
- -w, --interactive ask for confirmation for every action\n\
- --confirmation same as -w\n"),
- stdout);
- fputs (_("\
-\n\
-Compatibility options:\n\
- -o when creating, same as --old-archive\n\
- when extracting, same as --no-same-owner\n"),
- stdout);
-
- fputs (_("\
-\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\
+ 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"),
- stdout);
- printf (_("\
-\n\
-ARCHIVE may be FILE, HOST:FILE or USER@HOST:FILE; DATE may be a textual date\n\
-or a file name starting with `/' or `.', in which case the file's date is used.\n\
-*This* `tar' defaults to `--format=%s -f%s -b%d'.\n"),
- archive_format_string (DEFAULT_ARCHIVE_FORMAT),
- DEFAULT_ARCHIVE, DEFAULT_BLOCKING);
- printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
- }
- exit (status);
-}
+ never, simple always make simple backups\n");
-/* Parse the options for tar. */
-/* Available option letters are DEHIJQY and aenqy. Some are reserved:
+/* 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 (draft POSIX headers, that is)
- I same as T (for compatibility with Solaris tar)
- n the archive is quickly seekable, so don't worry about random seeks
- q stop after extracting the first occurrence of the named file
+ 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 */
-#define OPTION_STRING \
- "-01234567ABC:F:GIK:L:MN:OPRST:UV:WX:Zb:cdf:g:hijklmoprstuvwxyz"
+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 },
+ {"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-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"), GRID+1 },
+ {"no-same-owner", NO_SAME_OWNER_OPTION, 0, 0,
+ N_("extract files as yourself"), 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 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", 'J', 0, 0,
+ N_("filter the archive through lzma"), GRID+1 },
+ {"lzop", LZOP_OPTION, 0, 0,
+ N_("filter the archive through lzop"), 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 },
+ {"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 },
+ {"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 },
+
+ {"help", '?', 0, 0, N_("give this help list"), -1},
+ {"usage", USAGE_OPTION, 0, 0, N_("give a short usage message"), -1},
+ {"version", VERSION_OPTION, 0, 0, N_("print program version"), -1},
+ /* FIXME -V (--label) conflicts with the default short option for
+ --version */
+ {"HANG", HANG_OPTION, "SECS", OPTION_ARG_OPTIONAL | OPTION_HIDDEN,
+ N_("hang for SECS seconds (default 3600)"), 0},
+#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)
+
+void
+exclude_vcs_files ()
+{
+ int i;
+ static char *vcs_file[] = {
+ /* 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
+ };
+
+ for (i = 0; vcs_file[i]; i++)
+ add_exclude (excluded, vcs_file[i], 0);
+}
+
+\f
+#ifdef REMOTE_SHELL
+# define DECL_SHOW_DEFAULT_SETTINGS(stream, printer) \
+{ \
+ printer (stream, \
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s", \
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT), \
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING, \
+ quoting_style_args[DEFAULT_QUOTING_STYLE], \
+ DEFAULT_RMT_COMMAND); \
+ printer (stream, " --rsh-command=%s", REMOTE_SHELL); \
+ printer (stream, "\n"); \
+}
+#else
+# define DECL_SHOW_DEFAULT_SETTINGS(stream, printer) \
+{ \
+ printer (stream, \
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s", \
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT), \
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING, \
+ quoting_style_args[DEFAULT_QUOTING_STYLE], \
+ DEFAULT_RMT_COMMAND); \
+ printer (stream, "\n"); \
+}
+#endif
+
+static void
+show_default_settings (FILE *fp)
+ DECL_SHOW_DEFAULT_SETTINGS(fp, fprintf)
+
+static void
+show_default_settings_fs (argp_fmtstream_t fs)
+ DECL_SHOW_DEFAULT_SETTINGS(fs, argp_fmtstream_printf)
static void
set_subcommand_option (enum subcommand subcommand)
static void
set_use_compress_program_option (const char *string)
{
- if (use_compress_program_option && strcmp (use_compress_program_option, string) != 0)
+ 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
-decode_options (int argc, char **argv)
+stat_on_signal (int signo)
{
- int optchar; /* option letter */
- int input_files; /* number of input files */
- char const *textual_date_option = 0;
- char const *backup_suffix_string;
- char const *version_control_string = 0;
- int exclude_options = EXCLUDE_WILDCARDS;
- bool o_option = 0;
- int pax_option = 0;
+#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
+}
- /* Set some default option values. */
+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));
+}
- subcommand_option = UNKNOWN_SUBCOMMAND;
- archive_format = DEFAULT_FORMAT;
- blocking_factor = DEFAULT_BLOCKING;
- record_size = DEFAULT_BLOCKING * BLOCKSIZE;
- excluded = new_exclude ();
- newer_mtime_option.tv_sec = TYPE_MINIMUM (time_t);
- newer_mtime_option.tv_nsec = -1;
- recursion_option = FNM_LEADING_DIR;
+\f
+struct textual_date
+{
+ struct textual_date *next;
+ struct timespec *ts;
+ const char *option;
+ const char *date;
+};
- owner_option = -1;
- group_option = -1;
+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;
+ }
+ }
+}
- backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
+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;
+ }
+}
- /* Convert old-style tar call by exploding option element and rearranging
- options accordingly. */
+\f
+static volatile int _argp_hang;
- if (argc > 1 && argv[1][0] != '-')
+/* 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))
{
- int new_argc; /* argc value for rearranged arguments */
- char **new_argv; /* argv value for rearranged arguments */
- char *const *in; /* cursor into original argv */
- char **out; /* cursor into rearranged argv */
- const char *letter; /* cursor into old option letters */
- char buffer[3]; /* constructed option buffer */
- const char *cursor; /* cursor in OPTION_STRING */
+ if (c == 0)
+ {
+ /* We have read a zero separator. The file possibly is
+ zero-separated */
+ return file_list_zero;
+ }
+ obstack_1grow (stk, c);
+ counter++;
+ }
- /* Initialize a constructed option. */
+ if (counter == 0 && c != EOF)
+ return file_list_skip;
- buffer[0] = '-';
- buffer[2] = '\0';
+ obstack_1grow (stk, 0);
- /* Allocate a new argument array, and copy program name in it. */
+ return (counter == 0 && c == EOF) ? file_list_end : file_list_success;
+}
- new_argc = argc - 1 + strlen (argv[1]);
- new_argv = xmalloc ((new_argc + 1) * sizeof (char *));
- in = argv;
- out = new_argv;
- *out++ = *in++;
+\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 */
- /* Copy each old letter option as a separate option, and have the
- corresponding argument moved next to it. */
+/* Prevent recursive inclusion of the same file */
+struct file_id_list
+{
+ struct file_id_list *next;
+ ino_t ino;
+ dev_t dev;
+};
- for (letter = *in++; *letter; letter++)
+static struct file_id_list *file_id_list;
+
+static void
+add_file_id (const char *filename)
+{
+ struct file_id_list *p;
+ struct stat st;
+
+ if (stat (filename, &st))
+ stat_fatal (filename);
+ for (p = file_id_list; p; p = p->next)
+ if (p->ino == st.st_ino && p->dev == st.st_dev)
+ {
+ FATAL_ERROR ((0, 0, _("%s: file list already read"),
+ quotearg_colon (filename)));
+ }
+ p = xmalloc (sizeof *p);
+ p->next = file_id_list;
+ p->ino = st.st_ino;
+ p->dev = st.st_dev;
+ file_id_list = p;
+}
+
+/* Default density numbers for [0-9][lmh] device specifications */
+
+#ifndef LOW_DENSITY_NUM
+# define LOW_DENSITY_NUM 0
+#endif
+
+#ifndef MID_DENSITY_NUM
+# define MID_DENSITY_NUM 8
+#endif
+
+#ifndef HIGH_DENSITY_NUM
+# define HIGH_DENSITY_NUM 16
+#endif
+
+static void
+update_argv (const char *filename, struct argp_state *state)
+{
+ FILE *fp;
+ size_t count = 0, i;
+ char *start, *p;
+ char **new_argv;
+ size_t new_argc;
+ bool is_stdin = false;
+ enum read_file_list_state read_state;
+ int term = filename_terminator;
+
+ if (!strcmp (filename, "-"))
+ {
+ is_stdin = true;
+ request_stdin ("-T");
+ fp = stdin;
+ }
+ else
+ {
+ add_file_id (filename);
+ if ((fp = fopen (filename, "r")) == NULL)
+ open_fatal (filename);
+ }
+
+ while ((read_state = read_name_from_file (fp, &argv_stk, term))
+ != file_list_end)
+ {
+ switch (read_state)
{
- buffer[1] = *letter;
- *out++ = xstrdup (buffer);
- cursor = strchr (OPTION_STRING, *letter);
- if (cursor && cursor[1] == ':')
- {
- if (in < argv + argc)
- *out++ = *in++;
+ case file_list_success:
+ count++;
+ break;
+
+ case file_list_end: /* won't happen, just to pacify gcc */
+ break;
+
+ case file_list_zero:
+ {
+ size_t size;
+
+ WARN ((0, 0, N_("%s: file name read contains nul character"),
+ quotearg_colon (filename)));
+
+ /* Prepare new stack contents */
+ size = obstack_object_size (&argv_stk);
+ p = obstack_finish (&argv_stk);
+ for (; size > 0; size--, p++)
+ if (*p)
+ obstack_1grow (&argv_stk, *p);
else
- USAGE_ERROR ((0, 0, _("Old option `%c' requires an argument."),
- *letter));
+ obstack_1grow (&argv_stk, '\n');
+ obstack_1grow (&argv_stk, 0);
+ count = 1;
+ /* Read rest of files using new filename terminator */
+ term = 0;
+ break;
+ }
+
+ case file_list_skip:
+ break;
+ }
+ }
+
+ if (!is_stdin)
+ fclose (fp);
+
+ if (count == 0)
+ return;
+
+ start = obstack_finish (&argv_stk);
+
+ if (term == 0)
+ for (p = start; *p; p += strlen (p) + 1)
+ if (p[0] == '-')
+ count++;
+
+ new_argc = state->argc + count;
+ new_argv = xmalloc (sizeof (state->argv[0]) * (new_argc + 1));
+ memcpy (new_argv, state->argv, sizeof (state->argv[0]) * (state->argc + 1));
+ state->argv = new_argv;
+ memmove (&state->argv[state->next + count], &state->argv[state->next],
+ (state->argc - state->next + 1) * sizeof (state->argv[0]));
+
+ state->argc = new_argc;
+
+ for (i = state->next, p = start; *p; p += strlen (p) + 1, i++)
+ {
+ if (term == 0 && p[0] == '-')
+ state->argv[i++] = "--add-file";
+ state->argv[i] = p;
+ }
+}
+
+\f
+static void
+tar_help (struct argp_state *state)
+{
+ argp_fmtstream_t fs;
+ state->flags |= ARGP_NO_EXIT;
+ argp_state_help (state, state->out_stream,
+ ARGP_HELP_STD_HELP & ~ARGP_HELP_BUG_ADDR);
+ /* FIXME: use struct uparams.rmargin (from argp-help.c) instead of 79 */
+ fs = argp_make_fmtstream (state->out_stream, 0, 79, 0);
+
+ argp_fmtstream_printf (fs, "\n%s\n\n",
+ _("Valid arguments for --quoting-style options are:"));
+ tar_list_quoting_styles (fs, " ");
+
+ argp_fmtstream_puts (fs, _("\n*This* tar defaults to:\n"));
+ show_default_settings_fs (fs);
+ argp_fmtstream_putc (fs, '\n');
+ argp_fmtstream_printf (fs, _("Report bugs to %s.\n"),
+ argp_program_bug_address);
+ argp_fmtstream_free (fs);
+}
+\f
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
+{
+ struct tar_args *args = state->input;
+
+ switch (key)
+ {
+ case ARGP_KEY_ARG:
+ /* File name or non-parsed option, because of ARGP_IN_ORDER */
+ name_add_name (arg, MAKE_INCL_OPTIONS (args));
+ args->input_files = true;
+ break;
+
+ case 'A':
+ set_subcommand_option (CAT_SUBCOMMAND);
+ break;
+
+ case 'a':
+ args->compress_autodetect = true;
+ break;
+
+ case NO_AUTO_COMPRESS_OPTION:
+ args->compress_autodetect = false;
+ break;
+
+ case 'b':
+ {
+ uintmax_t u;
+ if (! (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+ && u == (blocking_factor = u)
+ && 0 < blocking_factor
+ && u == (record_size = u * BLOCKSIZE) / BLOCKSIZE))
+ USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("Invalid blocking factor")));
+ }
+ break;
+
+ case 'B':
+ /* Try to reblock input records. For reading 4.2BSD pipes. */
+
+ /* It would surely make sense to exchange -B and -R, but it seems
+ that -B has been used for a long while in Sun tar and most
+ BSD-derived systems. This is a consequence of the block/record
+ terminology confusion. */
+
+ read_full_records_option = true;
+ break;
+
+ case 'c':
+ set_subcommand_option (CREATE_SUBCOMMAND);
+ break;
+
+ case 'C':
+ name_add_dir (arg);
+ break;
+
+ case 'd':
+ set_subcommand_option (DIFF_SUBCOMMAND);
+ break;
+
+ case 'f':
+ if (archive_names == allocated_archive_names)
+ archive_name_array = x2nrealloc (archive_name_array,
+ &allocated_archive_names,
+ sizeof (archive_name_array[0]));
+
+ archive_name_array[archive_names++] = arg;
+ break;
+
+ case 'F':
+ /* Since -F is only useful with -M, make it implied. Run this
+ script at the end of each tape. */
+
+ info_script_option = arg;
+ multi_volume_option = true;
+ break;
+
+ case 'g':
+ listed_incremental_option = arg;
+ after_date_option = true;
+ /* Fall through. */
+
+ case 'G':
+ /* We are making an incremental dump (FIXME: are we?); save
+ directories at the beginning of the archive, and include in each
+ directory its contents. */
+
+ incremental_option = true;
+ break;
+
+ case 'h':
+ /* Follow symbolic links. */
+ dereference_option = true;
+ break;
+
+ case HARD_DEREFERENCE_OPTION:
+ hard_dereference_option = true;
+ break;
+
+ case 'i':
+ /* Ignore zero blocks (eofs). This can't be the default,
+ because Unix tar writes two blocks of zeros, then pads out
+ the record with garbage. */
+
+ ignore_zeros_option = true;
+ break;
+
+ case 'j':
+ set_use_compress_program_option ("bzip2");
+ break;
+
+ case 'J':
+ set_use_compress_program_option ("lzma");
+ break;
+
+ case 'k':
+ /* Don't replace existing files. */
+ old_files_option = KEEP_OLD_FILES;
+ break;
+
+ case 'K':
+ starting_file_option = true;
+ addname (arg, 0);
+ break;
+
+ case ONE_FILE_SYSTEM_OPTION:
+ /* When dumping directories, don't dump files/subdirectories
+ that are on other filesystems. */
+ one_file_system_option = true;
+ break;
+
+ case 'l':
+ check_links_option = 1;
+ break;
+
+ case 'L':
+ {
+ uintmax_t u;
+ if (xstrtoumax (arg, 0, 10, &u, "") != LONGINT_OK)
+ USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("Invalid tape length")));
+ tape_length_option = 1024 * (tarlong) u;
+ multi_volume_option = true;
+ }
+ break;
+
+ case LZOP_OPTION:
+ set_use_compress_program_option ("lzop");
+ break;
+
+ case 'm':
+ touch_option = true;
+ break;
+
+ case 'M':
+ /* Make multivolume archive: when we can't write any more into
+ the archive, re-open it, and continue writing. */
+
+ multi_volume_option = true;
+ break;
+
+ case MTIME_OPTION:
+ get_date_or_file (args, "--mtime", arg, &mtime_option);
+ set_mtime_option = true;
+ break;
+
+ case 'n':
+ seekable_archive = true;
+ break;
+
+ case 'N':
+ after_date_option = true;
+ /* Fall through. */
+
+ case NEWER_MTIME_OPTION:
+ if (NEWER_OPTION_INITIALIZED (newer_mtime_option))
+ USAGE_ERROR ((0, 0, _("More than one threshold date")));
+ get_date_or_file (args,
+ key == NEWER_MTIME_OPTION ? "--newer-mtime"
+ : "--after-date", arg, &newer_mtime_option);
+ break;
+
+ case 'o':
+ args->o_option = true;
+ break;
+
+ case 'O':
+ to_stdout_option = true;
+ break;
+
+ case 'p':
+ same_permissions_option = true;
+ break;
+
+ case 'P':
+ absolute_names_option = true;
+ break;
+
+ case 'r':
+ set_subcommand_option (APPEND_SUBCOMMAND);
+ break;
+
+ case 'R':
+ /* Print block numbers for debugging bad tar archives. */
+
+ /* It would surely make sense to exchange -B and -R, but it seems
+ that -B has been used for a long while in Sun tar and most
+ BSD-derived systems. This is a consequence of the block/record
+ terminology confusion. */
+
+ block_number_option = true;
+ break;
+
+ case 's':
+ /* Names to extract are sorted. */
+
+ same_order_option = true;
+ break;
+
+ case 'S':
+ sparse_option = true;
+ break;
+
+ case SPARSE_VERSION_OPTION:
+ sparse_option = true;
+ {
+ char *p;
+ tar_sparse_major = strtoul (arg, &p, 10);
+ if (*p)
+ {
+ if (*p != '.')
+ USAGE_ERROR ((0, 0, _("Invalid sparse version value")));
+ tar_sparse_minor = strtoul (p + 1, &p, 10);
+ if (*p)
+ USAGE_ERROR ((0, 0, _("Invalid sparse version value")));
+ }
+ }
+ break;
+
+ case 't':
+ set_subcommand_option (LIST_SUBCOMMAND);
+ verbose_option++;
+ break;
+
+ case TEST_LABEL_OPTION:
+ set_subcommand_option (LIST_SUBCOMMAND);
+ test_label_option = true;
+ break;
+
+ case 'T':
+ update_argv (arg, state);
+ /* Indicate we've been given -T option. This is for backward
+ compatibility only, so that `tar cfT archive /dev/null will
+ succeed */
+ files_from_option = true;
+ break;
+
+ case 'u':
+ set_subcommand_option (UPDATE_SUBCOMMAND);
+ break;
+
+ case 'U':
+ old_files_option = UNLINK_FIRST_OLD_FILES;
+ break;
+
+ case UTC_OPTION:
+ utc_option = true;
+ break;
+
+ case 'v':
+ verbose_option++;
+ break;
+
+ case 'V':
+ volume_label_option = arg;
+ break;
+
+ case 'w':
+ interactive_option = true;
+ break;
+
+ case 'W':
+ verify_option = true;
+ break;
+
+ case 'x':
+ set_subcommand_option (EXTRACT_SUBCOMMAND);
+ break;
+
+ case 'X':
+ if (add_exclude_file (add_exclude, excluded, arg,
+ MAKE_EXCL_OPTIONS (args), '\n')
+ != 0)
+ {
+ int e = errno;
+ FATAL_ERROR ((0, e, "%s", quotearg_colon (arg)));
+ }
+ break;
+
+ case 'z':
+ set_use_compress_program_option ("gzip");
+ break;
+
+ case 'Z':
+ set_use_compress_program_option ("compress");
+ break;
+
+ case ANCHORED_OPTION:
+ args->matching_flags |= EXCLUDE_ANCHORED;
+ break;
+
+ case ATIME_PRESERVE_OPTION:
+ atime_preserve_option =
+ (arg
+ ? XARGMATCH ("--atime-preserve", arg,
+ atime_preserve_args, atime_preserve_types)
+ : replace_atime_preserve);
+ if (! O_NOATIME && atime_preserve_option == system_atime_preserve)
+ FATAL_ERROR ((0, 0,
+ _("--atime-preserve='system' is not supported"
+ " on this platform")));
+ break;
+
+ case CHECK_DEVICE_OPTION:
+ check_device_option = true;
+ break;
+
+ case NO_CHECK_DEVICE_OPTION:
+ check_device_option = false;
+ break;
+
+ case CHECKPOINT_OPTION:
+ if (arg)
+ {
+ char *p;
+
+ if (*arg == '.')
+ {
+ checkpoint_compile_action (".");
+ arg++;
}
+ checkpoint_option = strtoul (arg, &p, 0);
+ if (*p)
+ FATAL_ERROR ((0, 0,
+ _("--checkpoint value is not an integer")));
}
+ else
+ checkpoint_option = DEFAULT_CHECKPOINT;
+ break;
- /* Copy all remaining options. */
+ case CHECKPOINT_ACTION_OPTION:
+ checkpoint_compile_action (arg);
+ break;
+
+ case BACKUP_OPTION:
+ backup_option = true;
+ if (arg)
+ args->version_control_string = arg;
+ break;
- while (in < argv + argc)
- *out++ = *in++;
- *out = 0;
+ case DELAY_DIRECTORY_RESTORE_OPTION:
+ delay_directory_restore_option = true;
+ break;
+
+ case NO_DELAY_DIRECTORY_RESTORE_OPTION:
+ delay_directory_restore_option = false;
+ break;
+
+ case DELETE_OPTION:
+ set_subcommand_option (DELETE_SUBCOMMAND);
+ break;
+
+ case EXCLUDE_OPTION:
+ add_exclude (excluded, arg, MAKE_EXCL_OPTIONS (args));
+ break;
+
+ case EXCLUDE_CACHES_OPTION:
+ add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_contents,
+ cachedir_file_p);
+ break;
+
+ case EXCLUDE_CACHES_UNDER_OPTION:
+ add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_under,
+ cachedir_file_p);
+ break;
- /* Replace the old option list by the new one. */
+ case EXCLUDE_CACHES_ALL_OPTION:
+ add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_all,
+ cachedir_file_p);
+ break;
- argc = new_argc;
- argv = new_argv;
- }
+ case EXCLUDE_TAG_OPTION:
+ add_exclusion_tag (arg, exclusion_tag_contents, NULL);
+ break;
- /* Parse all options and non-options as they appear. */
+ case EXCLUDE_TAG_UNDER_OPTION:
+ add_exclusion_tag (arg, exclusion_tag_under, NULL);
+ break;
- input_files = 0;
+ case EXCLUDE_TAG_ALL_OPTION:
+ add_exclusion_tag (arg, exclusion_tag_all, NULL);
+ break;
- prepend_default_options (getenv ("TAR_OPTIONS"), &argc, &argv);
+ case EXCLUDE_VCS_OPTION:
+ exclude_vcs_files ();
+ break;
+
+ case FORCE_LOCAL_OPTION:
+ force_local_option = true;
+ break;
- while (optchar = getopt_long (argc, argv, OPTION_STRING, long_options, 0),
- optchar != -1)
- switch (optchar)
- {
- case '?':
- usage (TAREXIT_FAILURE);
+ case 'H':
+ set_archive_format (arg);
+ break;
+
+ case INDEX_FILE_OPTION:
+ index_file_name = arg;
+ break;
- case 0:
- break;
+ case IGNORE_CASE_OPTION:
+ args->matching_flags |= FNM_CASEFOLD;
+ break;
- case 1:
- /* File name or non-parsed option, because of RETURN_IN_ORDER
- ordering triggered by the leading dash in OPTION_STRING. */
+ case IGNORE_COMMAND_ERROR_OPTION:
+ ignore_command_error_option = true;
+ break;
- name_add (optarg);
- input_files++;
- break;
+ case IGNORE_FAILED_READ_OPTION:
+ ignore_failed_read_option = true;
+ break;
- case 'A':
- set_subcommand_option (CAT_SUBCOMMAND);
- break;
+ case KEEP_NEWER_FILES_OPTION:
+ old_files_option = KEEP_NEWER_FILES;
+ break;
- case 'b':
+ case GROUP_OPTION:
+ if (! (strlen (arg) < GNAME_FIELD_SIZE
+ && gname_to_gid (arg, &group_option)))
{
- uintmax_t u;
- if (! (xstrtoumax (optarg, 0, 10, &u, "") == LONGINT_OK
- && u == (blocking_factor = u)
- && 0 < blocking_factor
- && u == (record_size = u * BLOCKSIZE) / BLOCKSIZE))
- USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("Invalid blocking factor")));
+ uintmax_t g;
+ if (xstrtoumax (arg, 0, 10, &g, "") == LONGINT_OK
+ && g == (gid_t) g)
+ group_option = g;
+ else
+ FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("%s: Invalid group")));
}
- break;
+ break;
- case 'B':
- /* Try to reblock input records. For reading 4.2BSD pipes. */
+ case MODE_OPTION:
+ mode_option = mode_compile (arg);
+ if (!mode_option)
+ FATAL_ERROR ((0, 0, _("Invalid mode given on option")));
+ initial_umask = umask (0);
+ umask (initial_umask);
+ break;
- /* It would surely make sense to exchange -B and -R, but it seems
- that -B has been used for a long while in Sun tar ans most
- BSD-derived systems. This is a consequence of the block/record
- terminology confusion. */
+ case NO_ANCHORED_OPTION:
+ args->include_anchored = 0; /* Clear the default for comman line args */
+ args->matching_flags &= ~ EXCLUDE_ANCHORED;
+ break;
- read_full_records_option = true;
- break;
+ case NO_IGNORE_CASE_OPTION:
+ args->matching_flags &= ~ FNM_CASEFOLD;
+ break;
- case 'c':
- set_subcommand_option (CREATE_SUBCOMMAND);
- break;
+ case NO_IGNORE_COMMAND_ERROR_OPTION:
+ ignore_command_error_option = false;
+ break;
- case 'C':
- name_add ("-C");
- name_add (optarg);
- break;
+ case NO_OVERWRITE_DIR_OPTION:
+ old_files_option = NO_OVERWRITE_DIR_OLD_FILES;
+ break;
- case 'd':
- set_subcommand_option (DIFF_SUBCOMMAND);
- break;
+ case NO_QUOTE_CHARS_OPTION:
+ for (;*arg; arg++)
+ set_char_quoting (NULL, *arg, 0);
+ break;
- case 'f':
- if (archive_names == allocated_archive_names)
- {
- allocated_archive_names *= 2;
- archive_name_array =
- xrealloc (archive_name_array,
- sizeof (const char *) * allocated_archive_names);
- }
- archive_name_array[archive_names++] = optarg;
- break;
+ case NO_WILDCARDS_OPTION:
+ args->wildcards = disable_wildcards;
+ break;
- case 'F':
- /* Since -F is only useful with -M, make it implied. Run this
- script at the end of each tape. */
+ case NO_WILDCARDS_MATCH_SLASH_OPTION:
+ args->matching_flags |= FNM_FILE_NAME;
+ break;
- info_script_option = optarg;
- multi_volume_option = true;
- break;
+ case NULL_OPTION:
+ filename_terminator = '\0';
+ break;
- case 'g':
- listed_incremental_option = optarg;
- after_date_option = true;
- /* Fall through. */
+ case NO_NULL_OPTION:
+ filename_terminator = '\n';
+ break;
+
+ case NUMERIC_OWNER_OPTION:
+ numeric_owner_option = true;
+ break;
- case 'G':
- /* We are making an incremental dump (FIXME: are we?); save
- directories at the beginning of the archive, and include in each
- directory its contents. */
+ case OCCURRENCE_OPTION:
+ if (!arg)
+ occurrence_option = 1;
+ else
+ {
+ uintmax_t u;
+ if (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK)
+ occurrence_option = u;
+ else
+ FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("Invalid number")));
+ }
+ break;
- incremental_option = true;
- break;
+ case OVERWRITE_DIR_OPTION:
+ old_files_option = DEFAULT_OLD_FILES;
+ break;
- case 'h':
- /* Follow symbolic links. */
- dereference_option = true;
- break;
+ case OVERWRITE_OPTION:
+ old_files_option = OVERWRITE_OLD_FILES;
+ break;
- case 'i':
- /* Ignore zero blocks (eofs). This can't be the default,
- because Unix tar writes two blocks of zeros, then pads out
- the record with garbage. */
+ case OWNER_OPTION:
+ if (! (strlen (arg) < UNAME_FIELD_SIZE
+ && uname_to_uid (arg, &owner_option)))
+ {
+ uintmax_t u;
+ if (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+ && u == (uid_t) u)
+ owner_option = u;
+ else
+ FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("Invalid owner")));
+ }
+ break;
- ignore_zeros_option = true;
- break;
+ case QUOTE_CHARS_OPTION:
+ for (;*arg; arg++)
+ set_char_quoting (NULL, *arg, 1);
+ break;
- case 'I':
- USAGE_ERROR ((0, 0,
- _("Warning: the -I option is not supported;"
- " perhaps you meant -j or -T?")));
- break;
+ case QUOTING_STYLE_OPTION:
+ tar_set_quoting_style (arg);
+ break;
- case 'j':
- set_use_compress_program_option ("bzip2");
- break;
+ case PAX_OPTION:
+ args->pax_option = true;
+ xheader_set_option (arg);
+ break;
- case 'k':
- /* Don't replace existing files. */
- old_files_option = KEEP_OLD_FILES;
- break;
+ case POSIX_OPTION:
+ set_archive_format ("posix");
+ break;
- case 'K':
- starting_file_option = true;
- addname (optarg, 0);
- break;
+ case PRESERVE_OPTION:
+ /* FIXME: What it is good for? */
+ same_permissions_option = true;
+ same_order_option = true;
+ WARN ((0, 0, _("The --preserve option is deprecated, "
+ "use --preserve-permissions --preserve-order instead")));
+ break;
- case 'l':
- /* When dumping directories, don't dump files/subdirectories
- that are on other filesystems. */
+ case RECORD_SIZE_OPTION:
+ {
+ uintmax_t u;
+ if (! (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+ && u == (size_t) u))
+ USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("Invalid record size")));
+ record_size = u;
+ if (record_size % BLOCKSIZE != 0)
+ USAGE_ERROR ((0, 0, _("Record size must be a multiple of %d."),
+ BLOCKSIZE));
+ blocking_factor = record_size / BLOCKSIZE;
+ }
+ break;
- one_file_system_option = true;
- break;
+ case RECURSIVE_UNLINK_OPTION:
+ recursive_unlink_option = true;
+ break;
- case 'L':
- {
- uintmax_t u;
- if (xstrtoumax (optarg, 0, 10, &u, "") != LONGINT_OK)
- USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("Invalid tape length")));
- tape_length_option = 1024 * (tarlong) u;
- multi_volume_option = true;
- }
- break;
+ case REMOVE_FILES_OPTION:
+ remove_files_option = true;
+ break;
- case 'm':
- touch_option = true;
- break;
+ case RESTRICT_OPTION:
+ restrict_option = true;
+ break;
- case 'M':
- /* Make multivolume archive: when we can't write any more into
- the archive, re-open it, and continue writing. */
+ case RMT_COMMAND_OPTION:
+ rmt_command = arg;
+ break;
- multi_volume_option = true;
- break;
+ case RSH_COMMAND_OPTION:
+ rsh_command_option = arg;
+ break;
-#if !MSDOS
- case 'N':
- after_date_option = true;
- /* Fall through. */
+ case SHOW_DEFAULTS_OPTION:
+ show_default_settings (stdout);
+ close_stdout ();
+ exit (0);
- case NEWER_MTIME_OPTION:
- if (NEWER_OPTION_INITIALIZED (newer_mtime_option))
- USAGE_ERROR ((0, 0, _("More than one threshold date")));
+ case STRIP_COMPONENTS_OPTION:
+ {
+ uintmax_t u;
+ if (! (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+ && u == (size_t) u))
+ USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
+ _("Invalid number of elements")));
+ strip_name_components = u;
+ }
+ break;
- if (FILESYSTEM_PREFIX_LEN (optarg) != 0
- || ISSLASH (*optarg)
- || *optarg == '.')
- {
- struct stat st;
- if (deref_stat (dereference_option, optarg, &st) != 0)
- {
- stat_error (optarg);
- USAGE_ERROR ((0, 0, _("Date file not found")));
- }
- newer_mtime_option.tv_sec = st.st_mtime;
- newer_mtime_option.tv_nsec = TIMESPEC_NS (st.st_mtim);
- }
- else
- {
- if (! get_date (&newer_mtime_option, optarg, NULL))
- {
- WARN ((0, 0, _("Substituting %s for unknown date format %s"),
- tartime (newer_mtime_option.tv_sec), quote (optarg)));
- newer_mtime_option.tv_nsec = 0;
- }
- else
- textual_date_option = optarg;
- }
+ case SHOW_OMITTED_DIRS_OPTION:
+ show_omitted_dirs_option = true;
+ break;
- break;
-#endif /* not MSDOS */
+ case SHOW_TRANSFORMED_NAMES_OPTION:
+ show_transformed_names_option = true;
+ break;
- case 'o':
- o_option = true;
- break;
+ case SUFFIX_OPTION:
+ backup_option = true;
+ args->backup_suffix_string = arg;
+ break;
- case 'O':
- to_stdout_option = true;
- break;
+ case TO_COMMAND_OPTION:
+ if (to_command_option)
+ USAGE_ERROR ((0, 0, _("Only one --to-command option allowed")));
+ to_command_option = arg;
+ break;
- case 'p':
- same_permissions_option = true;
- break;
+ case TOTALS_OPTION:
+ if (arg)
+ set_stat_signal (arg);
+ else
+ totals_option = true;
+ break;
- case 'P':
- absolute_names_option = true;
- break;
+ case TRANSFORM_OPTION:
+ set_transform_expr (arg);
+ break;
- case 'r':
- set_subcommand_option (APPEND_SUBCOMMAND);
- break;
+ case 'I':
+ set_use_compress_program_option (arg);
+ break;
- case 'R':
- /* Print block numbers for debugging bad tar archives. */
+ case VOLNO_FILE_OPTION:
+ volno_file_option = arg;
+ break;
- /* It would surely make sense to exchange -B and -R, but it seems
- that -B has been used for a long while in Sun tar ans most
- BSD-derived systems. This is a consequence of the block/record
- terminology confusion. */
+ case WILDCARDS_OPTION:
+ args->wildcards = enable_wildcards;
+ break;
- block_number_option = true;
- break;
+ case WILDCARDS_MATCH_SLASH_OPTION:
+ args->matching_flags &= ~ FNM_FILE_NAME;
+ break;
- case 's':
- /* Names to extr are sorted. */
+ case NO_RECURSION_OPTION:
+ recursion_option = 0;
+ break;
- same_order_option = true;
- break;
+ case NO_SAME_OWNER_OPTION:
+ same_owner_option = -1;
+ break;
- case 'S':
- sparse_option = true;
- break;
+ case NO_SAME_PERMISSIONS_OPTION:
+ same_permissions_option = -1;
+ break;
- case 't':
- set_subcommand_option (LIST_SUBCOMMAND);
- verbose_option++;
- break;
+ case RECURSION_OPTION:
+ recursion_option = FNM_LEADING_DIR;
+ break;
- case 'T':
- files_from_option = optarg;
- break;
+ case SAME_OWNER_OPTION:
+ same_owner_option = 1;
+ break;
- case 'u':
- set_subcommand_option (UPDATE_SUBCOMMAND);
- break;
+ case UNQUOTE_OPTION:
+ unquote_option = true;
+ break;
- case 'U':
- old_files_option = UNLINK_FIRST_OLD_FILES;
- break;
+ case NO_UNQUOTE_OPTION:
+ unquote_option = false;
+ break;
- case UTC_OPTION:
- utc_option = true;
- break;
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
- case 'v':
- verbose_option++;
- break;
+#ifdef DEVICE_PREFIX
+ {
+ int device = key - '0';
+ int density;
+ static char buf[sizeof DEVICE_PREFIX + 10];
+ char *cursor;
- case 'V':
- volume_label_option = optarg;
- break;
+ if (arg[1])
+ argp_error (state, _("Malformed density argument: %s"), quote (arg));
- case 'w':
- interactive_option = true;
- break;
+ strcpy (buf, DEVICE_PREFIX);
+ cursor = buf + strlen (buf);
- case 'W':
- verify_option = true;
- break;
+#ifdef DENSITY_LETTER
- case 'x':
- set_subcommand_option (EXTRACT_SUBCOMMAND);
- break;
+ sprintf (cursor, "%d%c", device, arg[0]);
- case 'X':
- if (add_exclude_file (add_exclude, excluded, optarg,
- exclude_options | recursion_option, '\n')
- != 0)
- {
- int e = errno;
- FATAL_ERROR ((0, e, "%s", quotearg_colon (optarg)));
- }
- break;
+#else /* not DENSITY_LETTER */
- case 'y':
- USAGE_ERROR ((0, 0,
- _("Warning: the -y option is not supported;"
- " perhaps you meant -j?")));
- break;
-
- case 'z':
- set_use_compress_program_option ("gzip");
- break;
-
- case 'Z':
- set_use_compress_program_option ("compress");
- break;
-
- case ANCHORED_OPTION:
- exclude_options |= EXCLUDE_ANCHORED;
- break;
-
- case ATIME_PRESERVE_OPTION:
- atime_preserve_option = true;
- break;
-
- case CHECKPOINT_OPTION:
- checkpoint_option = true;
- break;
-
- case BACKUP_OPTION:
- backup_option = true;
- if (optarg)
- version_control_string = optarg;
- break;
-
- case DELETE_OPTION:
- set_subcommand_option (DELETE_SUBCOMMAND);
- break;
-
- case EXCLUDE_OPTION:
- add_exclude (excluded, optarg, exclude_options | recursion_option);
- break;
-
- case FORCE_LOCAL_OPTION:
- force_local_option = true;
- break;
-
- case FORMAT_OPTION:
- set_archive_format (optarg);
- break;
-
- case INDEX_FILE_OPTION:
- index_file_name = optarg;
- break;
-
- case IGNORE_CASE_OPTION:
- exclude_options |= FNM_CASEFOLD;
- break;
-
- case IGNORE_FAILED_READ_OPTION:
- ignore_failed_read_option = true;
- break;
-
- case KEEP_NEWER_FILES_OPTION:
- old_files_option = KEEP_NEWER_FILES;
- break;
-
- case GROUP_OPTION:
- if (! (strlen (optarg) < GNAME_FIELD_SIZE
- && gname_to_gid (optarg, &group_option)))
- {
- uintmax_t g;
- if (xstrtoumax (optarg, 0, 10, &g, "") == LONGINT_OK
- && g == (gid_t) g)
- group_option = g;
- else
- FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("%s: Invalid group")));
- }
- break;
-
- case MODE_OPTION:
- mode_option
- = mode_compile (optarg,
- MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS);
- if (mode_option == MODE_INVALID)
- FATAL_ERROR ((0, 0, _("Invalid mode given on option")));
- if (mode_option == MODE_MEMORY_EXHAUSTED)
- xalloc_die ();
- break;
-
- case NO_ANCHORED_OPTION:
- exclude_options &= ~ EXCLUDE_ANCHORED;
- break;
-
- case NO_IGNORE_CASE_OPTION:
- exclude_options &= ~ FNM_CASEFOLD;
- break;
-
- case NO_OVERWRITE_DIR_OPTION:
- old_files_option = NO_OVERWRITE_DIR_OLD_FILES;
- break;
-
- case NO_WILDCARDS_OPTION:
- exclude_options &= ~ EXCLUDE_WILDCARDS;
- break;
-
- case NO_WILDCARDS_MATCH_SLASH_OPTION:
- exclude_options |= FNM_FILE_NAME;
- break;
-
- case NULL_OPTION:
- filename_terminator = '\0';
- break;
-
- case NUMERIC_OWNER_OPTION:
- numeric_owner_option = true;
- break;
-
- case OCCURRENCE_OPTION:
- if (!optarg)
- occurrence_option = 1;
- else
+ switch (arg[0])
{
- uintmax_t u;
- if (xstrtoumax (optarg, 0, 10, &u, "") == LONGINT_OK)
- occurrence_option = u;
- else
- FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("Invalid number")));
- }
- break;
+ case 'l':
+ device += LOW_DENSITY_NUM;
+ break;
- case OVERWRITE_OPTION:
- old_files_option = OVERWRITE_OLD_FILES;
- break;
+ case 'm':
+ device += MID_DENSITY_NUM;
+ break;
- case OWNER_OPTION:
- if (! (strlen (optarg) < UNAME_FIELD_SIZE
- && uname_to_uid (optarg, &owner_option)))
- {
- uintmax_t u;
- if (xstrtoumax (optarg, 0, 10, &u, "") == LONGINT_OK
- && u == (uid_t) u)
- owner_option = u;
- else
- FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("Invalid owner")));
+ case 'h':
+ device += HIGH_DENSITY_NUM;
+ break;
+
+ default:
+ argp_error (state, _("Unknown density: `%c'"), arg[0]);
}
- break;
+ sprintf (cursor, "%d", device);
- case PAX_OPTION:
- pax_option++;
- xheader_set_option (optarg);
- break;
+#endif /* not DENSITY_LETTER */
+
+ if (archive_names == allocated_archive_names)
+ archive_name_array = x2nrealloc (archive_name_array,
+ &allocated_archive_names,
+ sizeof (archive_name_array[0]));
+ archive_name_array[archive_names++] = xstrdup (buf);
+ }
+ break;
- case POSIX_OPTION:
- set_archive_format ("posix");
- break;
+#else /* not DEVICE_PREFIX */
- case PRESERVE_OPTION:
- same_permissions_option = true;
- same_order_option = true;
- break;
+ argp_error (state,
+ _("Options `-[0-7][lmh]' not supported by *this* tar"));
- case RECORD_SIZE_OPTION:
- {
- uintmax_t u;
- if (! (xstrtoumax (optarg, 0, 10, &u, "") == LONGINT_OK
- && u == (size_t) u))
- USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("Invalid record size")));
- record_size = u;
- if (record_size % BLOCKSIZE != 0)
- USAGE_ERROR ((0, 0, _("Record size must be a multiple of %d."),
- BLOCKSIZE));
- blocking_factor = record_size / BLOCKSIZE;
- }
- break;
-
- case RECURSIVE_UNLINK_OPTION:
- recursive_unlink_option = true;
- break;
-
- case REMOVE_FILES_OPTION:
- remove_files_option = true;
- break;
-
- case RMT_COMMAND_OPTION:
- rmt_command_option = optarg;
- break;
-
- case RSH_COMMAND_OPTION:
- rsh_command_option = optarg;
- break;
-
- case SHOW_DEFAULTS_OPTION:
- printf ("--format=%s -f%s -b%d\n",
- archive_format_string (DEFAULT_ARCHIVE_FORMAT),
- DEFAULT_ARCHIVE, DEFAULT_BLOCKING);
- exit(0);
-
- case STRIP_PATH_OPTION:
- {
- uintmax_t u;
- if (! (xstrtoumax (optarg, 0, 10, &u, "") == LONGINT_OK
- && u == (size_t) u))
- USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (optarg),
- _("Invalid number of elements")));
- strip_path_elements = u;
- }
- break;
+#endif /* not DEVICE_PREFIX */
- case SUFFIX_OPTION:
- backup_option = true;
- backup_suffix_string = optarg;
- break;
+ case '?':
+ tar_help (state);
+ close_stdout ();
+ exit (0);
+
+ case USAGE_OPTION:
+ argp_state_help (state, state->out_stream, ARGP_HELP_USAGE);
+ close_stdout ();
+ exit (0);
+
+ case VERSION_OPTION:
+ version_etc (state->out_stream, "tar", PACKAGE_NAME, VERSION,
+ "John Gilmore", "Jay Fenlason", (char *) NULL);
+ close_stdout ();
+ exit (0);
+
+ case HANG_OPTION:
+ _argp_hang = atoi (arg ? arg : "3600");
+ while (_argp_hang-- > 0)
+ sleep (1);
+ break;
- case TOTALS_OPTION:
- totals_option = true;
- break;
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
- case USE_COMPRESS_PROGRAM_OPTION:
- set_use_compress_program_option (optarg);
- break;
+static struct argp argp = {
+ options,
+ parse_opt,
+ N_("[FILE]..."),
+ doc,
+ NULL,
+ NULL,
+ NULL
+};
- case VOLNO_FILE_OPTION:
- volno_file_option = optarg;
- break;
+void
+usage (int status)
+{
+ argp_help (&argp, stderr, ARGP_HELP_SEE, (char*) program_name);
+ close_stdout ();
+ exit (status);
+}
- case WILDCARDS_OPTION:
- exclude_options |= EXCLUDE_WILDCARDS;
- break;
+/* Parse the options for tar. */
- case WILDCARDS_MATCH_SLASH_OPTION:
- exclude_options &= ~ FNM_FILE_NAME;
- break;
+static struct argp_option *
+find_argp_option (struct argp_option *o, int letter)
+{
+ for (;
+ !(o->name == NULL
+ && o->key == 0
+ && o->arg == 0
+ && o->flags == 0
+ && o->doc == NULL); o++)
+ if (o->key == letter)
+ return o;
+ return NULL;
+}
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
+static void
+decode_options (int argc, char **argv)
+{
+ int idx;
+ struct tar_args args;
-#ifdef DEVICE_PREFIX
- {
- int device = optchar - '0';
- int density;
- static char buf[sizeof DEVICE_PREFIX + 10];
- char *cursor;
+ /* Set some default option values. */
+ args.textual_date = NULL;
+ args.wildcards = default_wildcards;
+ args.matching_flags = 0;
+ args.include_anchored = EXCLUDE_ANCHORED;
+ args.o_option = false;
+ args.pax_option = false;
+ args.backup_suffix_string = getenv ("SIMPLE_BACKUP_SUFFIX");
+ args.version_control_string = 0;
+ args.input_files = false;
+ args.compress_autodetect = false;
+
+ subcommand_option = UNKNOWN_SUBCOMMAND;
+ archive_format = DEFAULT_FORMAT;
+ blocking_factor = DEFAULT_BLOCKING;
+ record_size = DEFAULT_BLOCKING * BLOCKSIZE;
+ excluded = new_exclude ();
+ newer_mtime_option.tv_sec = TYPE_MINIMUM (time_t);
+ newer_mtime_option.tv_nsec = -1;
+ recursion_option = FNM_LEADING_DIR;
+ unquote_option = true;
+ tar_sparse_major = 1;
+ tar_sparse_minor = 0;
- density = getopt_long (argc, argv, "lmh", 0, 0);
- strcpy (buf, DEVICE_PREFIX);
- cursor = buf + strlen (buf);
+ owner_option = -1;
+ group_option = -1;
-#ifdef DENSITY_LETTER
+ check_device_option = true;
+
+ /* Convert old-style tar call by exploding option element and rearranging
+ options accordingly. */
- sprintf (cursor, "%d%c", device, density);
+ if (argc > 1 && argv[1][0] != '-')
+ {
+ int new_argc; /* argc value for rearranged arguments */
+ char **new_argv; /* argv value for rearranged arguments */
+ char *const *in; /* cursor into original argv */
+ char **out; /* cursor into rearranged argv */
+ const char *letter; /* cursor into old option letters */
+ char buffer[3]; /* constructed option buffer */
-#else /* not DENSITY_LETTER */
+ /* Initialize a constructed option. */
- switch (density)
- {
- case 'l':
-#ifdef LOW_NUM
- device += LOW_NUM;
-#endif
- break;
+ buffer[0] = '-';
+ buffer[2] = '\0';
- case 'm':
-#ifdef MID_NUM
- device += MID_NUM;
-#else
- device += 8;
-#endif
- break;
+ /* Allocate a new argument array, and copy program name in it. */
- case 'h':
-#ifdef HGH_NUM
- device += HGH_NUM;
-#else
- device += 16;
-#endif
- break;
+ new_argc = argc - 1 + strlen (argv[1]);
+ new_argv = xmalloc ((new_argc + 1) * sizeof (char *));
+ in = argv;
+ out = new_argv;
+ *out++ = *in++;
- default:
- usage (TAREXIT_FAILURE);
- }
- sprintf (cursor, "%d", device);
+ /* Copy each old letter option as a separate option, and have the
+ corresponding argument moved next to it. */
-#endif /* not DENSITY_LETTER */
+ for (letter = *in++; *letter; letter++)
+ {
+ struct argp_option *opt;
- if (archive_names == allocated_archive_names)
+ buffer[1] = *letter;
+ *out++ = xstrdup (buffer);
+ opt = find_argp_option (options, *letter);
+ if (opt && opt->arg)
{
- allocated_archive_names *= 2;
- archive_name_array =
- xrealloc (archive_name_array,
- sizeof (const char *) * allocated_archive_names);
+ if (in < argv + argc)
+ *out++ = *in++;
+ else
+ USAGE_ERROR ((0, 0, _("Old option `%c' requires an argument."),
+ *letter));
}
- archive_name_array[archive_names++] = strdup (buf);
}
- break;
-#else /* not DEVICE_PREFIX */
+ /* Copy all remaining options. */
- USAGE_ERROR ((0, 0,
- _("Options `-[0-7][lmh]' not supported by *this* tar")));
+ while (in < argv + argc)
+ *out++ = *in++;
+ *out = 0;
+
+ /* Replace the old option list by the new one. */
+
+ argc = new_argc;
+ argv = new_argv;
+ }
+
+ /* Parse all options and non-options as they appear. */
+
+ prepend_default_options (getenv ("TAR_OPTIONS"), &argc, &argv);
+
+ if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER|ARGP_NO_HELP,
+ &idx, &args))
+ exit (TAREXIT_FAILURE);
-#endif /* not DEVICE_PREFIX */
- }
/* Special handling for 'o' option:
The old GNU tar semantics is retained when used with --create
option, otherwise UNIX98 semantics is assumed */
- if (o_option)
+ if (args.o_option)
{
if (subcommand_option == CREATE_SUBCOMMAND)
{
else
{
/* UNIX98 compatibility */
- same_owner_option = 1;
+ same_owner_option = -1;
}
}
/* Handle operands after any "--" argument. */
- for (; optind < argc; optind++)
- {
- name_add (argv[optind]);
- input_files++;
- }
-
- /* Process trivial options. */
-
- if (show_version)
+ for (; idx < argc; idx++)
{
- printf ("tar (%s) %s\n%s\n", PACKAGE_NAME, PACKAGE_VERSION,
- "Copyright (C) 2004 Free Software Foundation, Inc.");
- puts (_("\
-This program comes with NO WARRANTY, to the extent permitted by law.\n\
-You may redistribute it under the terms of the GNU General Public License;\n\
-see the file named COPYING for details."));
-
- puts (_("Written by John Gilmore and Jay Fenlason."));
-
- exit (TAREXIT_SUCCESS);
+ name_add_name (argv[idx], MAKE_INCL_OPTIONS (&args));
+ args.input_files = true;
}
- if (show_help)
- usage (TAREXIT_SUCCESS);
+ /* Warn about implicit use of the wildcards in command line arguments.
+ See TODO */
+ warn_regex_usage = args.wildcards == default_wildcards;
/* Derive option values and check option consistency. */
if (archive_format == DEFAULT_FORMAT)
{
- if (pax_option)
+ if (args.pax_option)
archive_format = POSIX_FORMAT;
else
archive_format = DEFAULT_ARCHIVE_FORMAT;
}
- if (volume_label_option && subcommand_option == CREATE_SUBCOMMAND)
- assert_format (FORMAT_MASK (OLDGNU_FORMAT)
- | FORMAT_MASK (GNU_FORMAT));
-
-
- if (incremental_option || multi_volume_option)
- assert_format (FORMAT_MASK (OLDGNU_FORMAT) | FORMAT_MASK (GNU_FORMAT));
-
- if (sparse_option)
+ if ((volume_label_option && subcommand_option == CREATE_SUBCOMMAND)
+ || incremental_option
+ || multi_volume_option
+ || sparse_option)
assert_format (FORMAT_MASK (OLDGNU_FORMAT)
| FORMAT_MASK (GNU_FORMAT)
| FORMAT_MASK (POSIX_FORMAT));
if (occurrence_option)
{
- if (!input_files && !files_from_option)
+ if (!args.input_files)
USAGE_ERROR ((0, 0,
_("--occurrence is meaningless without a file list")));
if (subcommand_option != DELETE_SUBCOMMAND
_("--occurrence cannot be used in the requested operation mode")));
}
+ if (seekable_archive && subcommand_option == DELETE_SUBCOMMAND)
+ {
+ /* The current code in delete.c is based on the assumption that
+ skip_member() reads all data from the archive. So, we should
+ make sure it won't use seeks. On the other hand, the same code
+ depends on the ability to backspace a record in the archive,
+ so setting seekable_archive to false is technically incorrect.
+ However, it is tested only in skip_member(), so it's not a
+ problem. */
+ seekable_archive = false;
+ }
+
if (archive_names == 0)
{
/* If no archive file name given, try TAPE from the environment, or
if (volume_label_option)
{
- size_t volume_label_max_len =
- (sizeof current_header->header.name
- - 1 /* for trailing '\0' */
- - (multi_volume_option
- ? (sizeof " Volume "
- - 1 /* for null at end of " Volume " */
- + INT_STRLEN_BOUND (int) /* for volume number */
- - 1 /* for sign, as 0 <= volno */)
- : 0));
- if (volume_label_max_len < strlen (volume_label_option))
- USAGE_ERROR ((0, 0,
- ngettext ("%s: Volume label is too long (limit is %lu byte)",
- "%s: Volume label is too long (limit is %lu bytes)",
- volume_label_max_len),
- quotearg_colon (volume_label_option),
- (unsigned long) volume_label_max_len));
+ if (archive_format == GNU_FORMAT || archive_format == OLDGNU_FORMAT)
+ {
+ size_t volume_label_max_len =
+ (sizeof current_header->header.name
+ - 1 /* for trailing '\0' */
+ - (multi_volume_option
+ ? (sizeof " Volume "
+ - 1 /* for null at end of " Volume " */
+ + INT_STRLEN_BOUND (int) /* for volume number */
+ - 1 /* for sign, as 0 <= volno */)
+ : 0));
+ if (volume_label_max_len < strlen (volume_label_option))
+ USAGE_ERROR ((0, 0,
+ ngettext ("%s: Volume label is too long (limit is %lu byte)",
+ "%s: Volume label is too long (limit is %lu bytes)",
+ volume_label_max_len),
+ quotearg_colon (volume_label_option),
+ (unsigned long) volume_label_max_len));
+ }
+ /* else FIXME
+ Label length in PAX format is limited by the volume size. */
}
if (verify_option)
{
if (multi_volume_option)
USAGE_ERROR ((0, 0, _("Cannot use multi-volume compressed archives")));
- if (subcommand_option == UPDATE_SUBCOMMAND)
+ if (subcommand_option == UPDATE_SUBCOMMAND
+ || subcommand_option == APPEND_SUBCOMMAND
+ || subcommand_option == DELETE_SUBCOMMAND)
USAGE_ERROR ((0, 0, _("Cannot update compressed archives")));
+ if (subcommand_option == CAT_SUBCOMMAND)
+ USAGE_ERROR ((0, 0, _("Cannot concatenate compressed archives")));
}
/* It is no harm to use --pax-option on non-pax archives in archive
reading mode. It may even be useful, since it allows to override
file attributes from tar headers. Therefore I allow such usage.
--gray */
- if (pax_option
+ if (args.pax_option
&& archive_format != POSIX_FORMAT
&& (subcommand_option != EXTRACT_SUBCOMMAND
|| subcommand_option != DIFF_SUBCOMMAND
if (recursive_unlink_option)
old_files_option = UNLINK_FIRST_OLD_FILES;
- if (utc_option)
+
+ if (test_label_option)
+ {
+ /* --test-label is silent if the user has specified the label name to
+ compare against. */
+ if (!args.input_files)
+ verbose_option++;
+ }
+ else if (utc_option)
verbose_option = 2;
- if (!rmt_command_option)
- rmt_command_option = DEFAULT_RMT_COMMAND;
+ if (tape_length_option && tape_length_option < record_size)
+ USAGE_ERROR ((0, 0, _("Volume length cannot be less than record size")));
+
+ if (same_order_option && listed_incremental_option)
+ USAGE_ERROR ((0, 0, _("--preserve-order is not compatible with "
+ "--listed-incremental")));
/* Forbid using -c with no input files whatsoever. Check that `-f -',
explicit or implied, is used correctly. */
switch (subcommand_option)
{
case CREATE_SUBCOMMAND:
- if (input_files == 0 && !files_from_option)
+ if (!args.input_files && !files_from_option)
USAGE_ERROR ((0, 0,
_("Cowardly refusing to create an empty archive")));
+ if (args.compress_autodetect && archive_names
+ && strcmp (archive_name_array[0], "-"))
+ set_comression_program_by_suffix (archive_name_array[0],
+ use_compress_program_option);
break;
case EXTRACT_SUBCOMMAND:
break;
}
+ /* Initialize stdlis */
+ if (index_file_name)
+ {
+ stdlis = fopen (index_file_name, "w");
+ if (! stdlis)
+ open_error (index_file_name);
+ }
+ else
+ stdlis = to_stdout_option ? stderr : stdout;
+
archive_name_cursor = archive_name_array;
/* Prepare for generating backup names. */
- if (backup_suffix_string)
- simple_backup_suffix = xstrdup (backup_suffix_string);
+ if (args.backup_suffix_string)
+ simple_backup_suffix = xstrdup (args.backup_suffix_string);
if (backup_option)
- backup_type = xget_version ("--backup", version_control_string);
-
- if (verbose_option && textual_date_option)
{
- /* FIXME: tartime should support nanoseconds, too, so that this
- comparison doesn't complain about lost nanoseconds. */
- char const *treated_as = tartime (newer_mtime_option.tv_sec);
- if (strcmp (textual_date_option, treated_as) != 0)
- WARN ((0, 0, _("Treating date `%s' as %s + %ld nanoseconds"),
- textual_date_option, treated_as, newer_mtime_option.tv_nsec));
+ backup_type = xget_version ("--backup", args.version_control_string);
+ /* No backup is needed either if explicitely disabled or if
+ the extracted files are not being written to disk. */
+ if (backup_type == no_backups || EXTRACT_OVER_PIPE)
+ backup_option = false;
}
+
+ checkpoint_finish_compile ();
+
+ if (verbose_option)
+ report_textual_dates (&args);
}
\f
int
main (int argc, char **argv)
{
-#if HAVE_CLOCK_GETTIME
- if (clock_gettime (CLOCK_REALTIME, &start_timespec) != 0)
-#endif
- start_time = time (0);
+ set_start_time ();
program_name = argv[0];
+
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+ exit_failure = TAREXIT_FAILURE;
exit_status = TAREXIT_SUCCESS;
filename_terminator = '\n';
- set_quoting_style (0, escape_quoting_style);
+ set_quoting_style (0, DEFAULT_QUOTING_STYLE);
+
+ /* Make sure we have first three descriptors available */
+ stdopen ();
/* Pre-allocate a few structures. */
xmalloc (sizeof (const char *) * allocated_archive_names);
archive_names = 0;
+ obstack_init (&argv_stk);
+
#ifdef SIGCHLD
/* System V fork+wait does not work if SIGCHLD is ignored. */
signal (SIGCHLD, SIG_DFL);
#endif
- init_names ();
-
/* Decode options. */
decode_options (argc, argv);
+
name_init ();
/* Main command execution. */
case CREATE_SUBCOMMAND:
create_archive ();
- name_close ();
-
- if (totals_option)
- print_total_written ();
break;
case EXTRACT_SUBCOMMAND:
break;
}
+ if (totals_option)
+ print_total_stats ();
+
if (check_links_option)
- check_links ();
+ check_links ();
if (volno_file_option)
closeout_volume_number ();
free (archive_name_array);
name_term ();
- if (stdlis != stderr && (ferror (stdlis) || fclose (stdlis) != 0))
- FATAL_ERROR ((0, 0, _("Error in writing to standard output")));
if (exit_status == TAREXIT_FAILURE)
- error (0, 0, _("Error exit delayed from previous errors"));
- if (ferror (stderr) || fclose (stderr) != 0)
+ error (0, 0, _("Exiting with failure status due to previous errors"));
+
+ if (stdlis == stdout)
+ close_stdout ();
+ else if (ferror (stderr) || fclose (stderr) != 0)
exit_status = TAREXIT_FAILURE;
+
return exit_status;
}
free (st->uname);
free (st->gname);
free (st->sparse_map);
+ free (st->dumpdir);
+ xheader_destroy (&st->xhdr);
memset (st, 0, sizeof (*st));
}
+
+/* Format mask for all available formats that support nanosecond
+ timestamp resolution. */
+#define NS_PRECISION_FORMAT_MASK FORMAT_MASK (POSIX_FORMAT)
+
+/* Same as timespec_cmp, but ignore nanoseconds if current archive
+ format does not provide sufficient resolution. */
+int
+tar_timespec_cmp (struct timespec a, struct timespec b)
+{
+ if (!(FORMAT_MASK (current_format) & NS_PRECISION_FORMAT_MASK))
+ a.tv_nsec = b.tv_nsec = 0;
+ return timespec_cmp (a, b);
+}
projects / chaz / tar / blobdiff