/* A tar (tape archiver) program.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
- 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2001, 2003, 2004, 2005, 2006, 2007, 2009 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
#include <fnmatch.h>
#include <argp.h>
+#include <argp-namefrob.h>
+#include <argp-fmtstream.h>
+#include <argp-version-etc.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>
+#include <priv-set.h>
/* Local declarations. */
static const char *stdin_used_by;
/* Doesn't return if stdin already requested. */
-void
+static void
request_stdin (const char *option)
{
if (stdin_used_by)
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 {
#endif
{ "gnu", GNU_FORMAT },
{ "pax", POSIX_FORMAT }, /* An alias for posix */
- { NULL, 0 }
+ { 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";
+
+ case TEST_LABEL_SUBCOMMAND:
+ return "--test-label";
+ }
+ abort ();
+}
+
+static void
+tar_list_quoting_styles (struct obstack *stk, char const *prefix)
+{
+ int i;
+ size_t prefixlen = strlen (prefix);
+
+ for (i = 0; quoting_style_args[i]; i++)
+ {
+ obstack_grow (stk, prefix, prefixlen);
+ obstack_grow (stk, quoting_style_args[i],
+ strlen (quoting_style_args[i]));
+ obstack_1grow (stk, '\n');
+ }
+}
+
+static 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,
- CHECK_LINKS_OPTION,
+ CHECKPOINT_ACTION_OPTION,
+ DELAY_DIRECTORY_RESTORE_OPTION,
+ HARD_DEREFERENCE_OPTION,
DELETE_OPTION,
- EXCLUDE_OPTION,
+ EXCLUDE_BACKUPS_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,
+ FULL_TIME_OPTION,
GROUP_OPTION,
- HANG_OPTION,
IGNORE_CASE_OPTION,
IGNORE_COMMAND_ERROR_OPTION,
IGNORE_FAILED_READ_OPTION,
INDEX_FILE_OPTION,
KEEP_NEWER_FILES_OPTION,
- LICENSE_OPTION,
+ LEVEL_OPTION,
+ LZIP_OPTION,
+ LZMA_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_QUOTE_CHARS_OPTION,
NO_RECURSION_OPTION,
NO_SAME_OWNER_OPTION,
NO_SAME_PERMISSIONS_OPTION,
+ NO_SEEK_OPTION,
NO_UNQUOTE_OPTION,
- NO_WILDCARDS_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,
+ SHOW_TRANSFORMED_NAMES_OPTION,
+ SPARSE_VERSION_OPTION,
STRIP_COMPONENTS_OPTION,
SUFFIX_OPTION,
- TO_COMMAND_OPTION,
+ TEST_LABEL_OPTION,
TOTALS_OPTION,
+ TO_COMMAND_OPTION,
+ TRANSFORM_OPTION,
UNQUOTE_OPTION,
- USAGE_OPTION,
- USE_COMPRESS_PROGRAM_OPTION,
UTC_OPTION,
- VERSION_OPTION,
VOLNO_FILE_OPTION,
- WILDCARDS_OPTION,
- WILDCARDS_MATCH_SLASH_OPTION
+ WARNING_OPTION,
+ WILDCARDS_MATCH_SLASH_OPTION,
+ WILDCARDS_OPTION
};
const char *argp_program_version = "tar (" PACKAGE_NAME ") " VERSION;
const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
-static char doc[] = N_("GNU `tar' saves many files together into a single tape or disk archive, and can restore individual files from the archive.\n\
+static char const doc[] = N_("\
+GNU `tar' saves many files together into a single tape or disk archive, \
+and can restore individual files from the archive.\n\
\n\
Examples:\n\
tar -cf archive.tar foo bar # Create archive.tar from files foo and bar.\n\
tar -tvf archive.tar # List all files in archive.tar verbosely.\n\
- tar -xf archive.tar # Extract all files from archive.tar.\n\
-\vThe backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\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\
/* NOTE:
- Available option letters are DEIJQY and aeqy. Consider the following
+ Available option letters are DEQY and eqy. Consider the following
assignments:
- [For Solaris tar compatibility]
+ [For Solaris tar compatibility =/= Is it important at all?]
e exit immediately with a nonzero exit status if unexpected errors occur
E use extended headers (--format=posix)
+
[q alias for --occurrence=1 =/= this would better be used for quiet?]
- [I same as T =/= will harm star compatibility]
y per-file gzip compression
- Y per-block gzip compression */
+ Y per-block gzip compression.
+
+ Additionally, the 'n' letter is assigned for option --seek, which
+ is probably not needed and should be marked as deprecated, so that
+ -n may become available in the future.
+*/
static struct argp_option options[] = {
+#define GRID 10
{NULL, 0, NULL, 0,
- N_("Main operation mode:"), 0},
+ N_("Main operation mode:"), GRID },
{"list", 't', 0, 0,
- N_("list the contents of an archive"), 10 },
+ N_("list the contents of an archive"), GRID+1 },
{"extract", 'x', 0, 0,
- N_("extract files from an archive"), 10 },
- {"get", 0, 0, OPTION_ALIAS, NULL, 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"), 10 },
+ N_("create a new archive"), GRID+1 },
{"diff", 'd', 0, 0,
- N_("find differences between archive and file system"), 10 },
- {"compare", 0, 0, OPTION_ALIAS, NULL, 10},
+ 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"), 10 },
+ N_("append files to the end of an archive"), GRID+1 },
{"update", 'u', 0, 0,
- N_("only append files newer than copy in archive"), 10 },
+ N_("only append files newer than copy in archive"), GRID+1 },
{"catenate", 'A', 0, 0,
- N_("append tar files to an archive"), 10 },
- {"concatenate", 0, 0, OPTION_ALIAS, NULL, 10},
+ 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!)"), 10 },
+ 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:"), 20},
+ N_("Operation modifiers:"), GRID },
{"sparse", 'S', 0, 0,
- N_("handle sparse files efficiently"), 21 },
+ 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"), 21 },
+ N_("handle old GNU-format incremental backup"), GRID+1 },
{"listed-incremental", 'g', N_("FILE"), 0,
- N_("handle new GNU-format incremental backup"), 21 },
+ N_("handle new GNU-format incremental backup"), GRID+1 },
+ {"level", LEVEL_OPTION, N_("NUMBER"), 0,
+ N_("dump level for created listed-incremental archive"), GRID+1 },
{"ignore-failed-read", IGNORE_FAILED_READ_OPTION, 0, 0,
- N_("do not exit with nonzero on unreadable files"), 21 },
+ 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 -T option. NUMBER defaults to 1."), 21 },
+ 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"), 21 },
-
+ N_("archive is seekable"), GRID+1 },
+ {"no-seek", NO_SEEK_OPTION, NULL, 0,
+ N_("archive is not seekable"), GRID+1 },
+ {"no-check-device", NO_CHECK_DEVICE_OPTION, NULL, 0,
+ N_("do not check device numbers when creating incremental archives"),
+ GRID+1 },
+ {"check-device", CHECK_DEVICE_OPTION, NULL, 0,
+ N_("check device numbers when creating incremental archives (default)"),
+ GRID+1 },
+#undef GRID
+
+#define GRID 30
{NULL, 0, NULL, 0,
- N_("Overwrite control:"), 30},
+ N_("Overwrite control:"), GRID },
{"verify", 'W', 0, 0,
- N_("attempt to verify the archive after writing it"), 31 },
+ 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"), 31 },
+ 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"), 31 },
+ 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"), 31 },
+ 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"), 31 },
+ N_("overwrite existing files when extracting"), GRID+1 },
{"unlink-first", 'U', 0, 0,
- N_("remove each file prior to extracting over it"), 31 },
+ 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"), 31 },
+ N_("empty hierarchies prior to extracting directory"), GRID+1 },
{"no-overwrite-dir", NO_OVERWRITE_DIR_OPTION, 0, 0,
- N_("preserve metadata of existing directories"), 31 },
+ 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:"), 40},
+ N_("Select output stream:"), GRID },
{"to-stdout", 'O', 0, 0,
- N_("extract files to standard output"), 41 },
+ N_("extract files to standard output"), GRID+1 },
{"to-command", TO_COMMAND_OPTION, N_("COMMAND"), 0,
- N_("pipe extracted files to another program"), 41 },
+ N_("pipe extracted files to another program"), GRID+1 },
{"ignore-command-error", IGNORE_COMMAND_ERROR_OPTION, 0, 0,
- N_("ignore exit codes of children"), 41 },
+ 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"), 41 },
+ 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:"), 50 },
+ N_("Handling of file attributes:"), GRID },
{"owner", OWNER_OPTION, N_("NAME"), 0,
- N_("force NAME as owner for added files"), 51 },
+ N_("force NAME as owner for added files"), GRID+1 },
{"group", GROUP_OPTION, N_("NAME"), 0,
- N_("force NAME as group for added files"), 51 },
+ 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"), 51 },
- {"atime-preserve", ATIME_PRESERVE_OPTION, 0, 0,
- N_("don't change access times on dumped files"), 51 },
+ 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"), 51 },
+ N_("don't extract file modified time"), GRID+1 },
{"same-owner", SAME_OWNER_OPTION, 0, 0,
- N_("try extracting files with the same ownership"), 51 },
+ N_("try extracting files with the same ownership as exists in the archive (default for superuser)"), GRID+1 },
{"no-same-owner", NO_SAME_OWNER_OPTION, 0, 0,
- N_("extract files as yourself"), 51 },
+ N_("extract files as yourself (default for ordinary users)"), GRID+1 },
{"numeric-owner", NUMERIC_OWNER_OPTION, 0, 0,
- N_("always use numbers for user/group names"), 51 },
+ N_("always use numbers for user/group names"), GRID+1 },
{"preserve-permissions", 'p', 0, 0,
N_("extract information about file permissions (default for superuser)"),
- 51 },
- {"same-permissions", 0, 0, OPTION_ALIAS, NULL, 51 },
+ 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)"), 51 },
+ 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"), 51 },
- {"same-order", 0, 0, OPTION_ALIAS, NULL, 51 },
+ 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"), 51 },
-
+ 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:"), 60 },
+ N_("Device selection and switching:"), GRID },
{"file", 'f', N_("ARCHIVE"), 0,
- N_("use archive file or device ARCHIVE"), 61 },
+ 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"), 61 },
+ 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"), 61 },
+ 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"), 61 },
+ 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"), 61 },
+ N_("specify drive and density"), GRID+1 },
#endif
- {NULL, '0', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '1', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '2', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '3', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '4', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '5', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '6', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '7', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '8', NULL, OPTION_HIDDEN, NULL, 61 },
- {NULL, '9', NULL, OPTION_HIDDEN, NULL, 61 },
+ {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"), 61 },
+ N_("create/list/extract multi-volume archive"), GRID+1 },
{"tape-length", 'L', N_("NUMBER"), 0,
- N_("change tape after writing NUMBER x 1024 bytes"), 61 },
+ 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)"), 61 },
- {"new-volume-script", 0, 0, OPTION_ALIAS, NULL, 61 },
+ 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"), 61 },
+ N_("use/update the volume number in FILE"), GRID+1 },
+#undef GRID
+#define GRID 70
{NULL, 0, NULL, 0,
- N_("Device blocking:"), 70 },
+ N_("Device blocking:"), GRID },
{"blocking-factor", 'b', N_("BLOCKS"), 0,
- N_("BLOCKS x 512 bytes per record"), 71 },
+ 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"), 71 },
+ N_("NUMBER of bytes per record, multiple of 512"), GRID+1 },
{"ignore-zeros", 'i', 0, 0,
- N_("ignore zeroed blocks in archive (means EOF)"), 71 },
+ 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)"), 71 },
+ N_("reblock as we read (for 4.2BSD pipes)"), GRID+1 },
+#undef GRID
+#define GRID 80
{NULL, 0, NULL, 0,
- N_("Archive format selection:"), 80 },
+ N_("Archive format selection:"), GRID },
{"format", 'H', N_("FORMAT"), 0,
- N_("create archive of the given format."), 81 },
+ N_("create archive of the given format"), GRID+1 },
- {NULL, 0, NULL, 0, N_("FORMAT is one of the following:"), 82 },
- {" v7", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("old V7 tar format"), 83},
+ {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"), 83},
+ 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"), 83},
+ N_("GNU tar 1.13.x format"), GRID+3 },
{" ustar", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
- N_("POSIX 1003.1-1988 (ustar) format"), 83 },
+ N_("POSIX 1003.1-1988 (ustar) format"), GRID+3 },
{" pax", 0, NULL, OPTION_DOC|OPTION_NO_TRANS,
- N_("POSIX 1003.1-2001 (pax) format"), 83 },
- {" posix", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("same as pax"), 83 },
+ 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"), 88 },
- {"portability", 0, 0, OPTION_ALIAS, NULL, 88 },
+ 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"), 88 },
- {"pax-option", PAX_OPTION, N_("keyword[[:]=value][,keyword[[:]=value], ...]"), 0,
- N_("control pax keywords"), 88 },
+ 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"), 88 },
- {"bzip2", 'j', 0, 0,
- N_("filter the archive through bzip2"), 88 },
- {"gzip", 'z', 0, 0,
- N_("filter the archive through gzip"), 88 },
- {"gunzip", 0, 0, OPTION_ALIAS, NULL, 88 },
- {"ungzip", 0, 0, OPTION_ALIAS, NULL, 88 },
- {"compress", 'Z', 0, 0,
- N_("filter the archive through compress"), 88 },
- {"uncompress", 0, 0, OPTION_ALIAS, NULL, 88 },
- {"use-compress-program", USE_COMPRESS_PROGRAM_OPTION, N_("PROG"), 0,
- N_("filter through PROG (must accept -d)"), 88 },
+ N_("create archive with volume name TEXT; at list/extract time, use TEXT as a globbing pattern for volume name"), GRID+8 },
+#undef GRID
+#define GRID 90
+ {NULL, 0, NULL, 0,
+ N_("Compression options:"), GRID },
+ {"auto-compress", 'a', 0, 0,
+ N_("use archive suffix to determine the compression program"), GRID+1 },
+ {"no-auto-compress", NO_AUTO_COMPRESS_OPTION, 0, 0,
+ N_("do not use archive suffix to determine the compression program"),
+ GRID+1 },
+ {"use-compress-program", 'I', N_("PROG"), 0,
+ N_("filter through PROG (must accept -d)"), GRID+1 },
+ /* Note: docstrings for the options below are generated by tar_help_filter */
+ {"bzip2", 'j', 0, 0, NULL, GRID+1 },
+ {"gzip", 'z', 0, 0, NULL, GRID+1 },
+ {"gunzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"ungzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"compress", 'Z', 0, 0, NULL, GRID+1 },
+ {"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
+ {"lzip", LZIP_OPTION, 0, 0, NULL, GRID+1 },
+ {"lzma", LZMA_OPTION, 0, 0, NULL, GRID+1 },
+ {"lzop", LZOP_OPTION, 0, 0, NULL, GRID+1 },
+ {"xz", 'J', 0, 0, NULL, GRID+1 },
+#undef GRID
+
+#define GRID 100
{NULL, 0, NULL, 0,
- N_("Local file selection:"), 90 },
+ 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)"), 91},
+ 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"), 91 },
+ N_("change to directory DIR"), GRID+1 },
{"files-from", 'T', N_("FILE"), 0,
- N_("get names to extract or create from FILE"), 91 },
+ N_("get names to extract or create from FILE"), GRID+1 },
{"null", NULL_OPTION, 0, 0,
- N_("-T reads null-terminated names, disable -C"), 91 },
+ 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)"), 91 },
+ N_("unquote filenames read with -T (default)"), GRID+1 },
{"no-unquote", NO_UNQUOTE_OPTION, 0, 0,
- N_("do not unquote filenames read with -T"), 91 },
+ N_("do not unquote filenames read with -T"), GRID+1 },
{"exclude", EXCLUDE_OPTION, N_("PATTERN"), 0,
- N_("exclude files, given as a PATTERN"), 91 },
+ N_("exclude files, given as a PATTERN"), GRID+1 },
{"exclude-from", 'X', N_("FILE"), 0,
- N_("exclude patterns listed in FILE"), 91 },
+ N_("exclude patterns listed in FILE"), GRID+1 },
{"exclude-caches", EXCLUDE_CACHES_OPTION, 0, 0,
- N_("exclude directories containing a cache tag"), 91 },
- {"ignore-case", IGNORE_CASE_OPTION, 0, 0,
- N_("exclusion ignores case"), 91 },
- {"anchored", ANCHORED_OPTION, 0, 0,
- N_("exclude patterns match file name start"), 91 },
- {"no-anchored", NO_ANCHORED_OPTION, 0, 0,
- N_("exclude patterns match after any `/' (default)"), 91 },
- {"no-ignore-case", NO_IGNORE_CASE_OPTION, 0, 0,
- N_("exclusion is case sensitive (default)"), 91 },
- {"no-wildcards", NO_WILDCARDS_OPTION, 0, 0,
- N_("exclude patterns are plain strings"), 91 },
- {"no-wildcards-match-slash", NO_WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
- N_("exclude pattern wildcards do not match `/'"), 91 },
+ N_("exclude contents of directories containing CACHEDIR.TAG, "
+ "except for the tag file itself"), GRID+1 },
+ {"exclude-caches-under", EXCLUDE_CACHES_UNDER_OPTION, 0, 0,
+ N_("exclude everything under directories containing CACHEDIR.TAG"),
+ GRID+1 },
+ {"exclude-caches-all", EXCLUDE_CACHES_ALL_OPTION, 0, 0,
+ N_("exclude directories containing CACHEDIR.TAG"), GRID+1 },
+ {"exclude-tag", EXCLUDE_TAG_OPTION, N_("FILE"), 0,
+ N_("exclude contents of directories containing FILE, except"
+ " for FILE itself"), GRID+1 },
+ {"exclude-tag-under", EXCLUDE_TAG_UNDER_OPTION, N_("FILE"), 0,
+ N_("exclude everything under directories containing FILE"), GRID+1 },
+ {"exclude-tag-all", EXCLUDE_TAG_ALL_OPTION, N_("FILE"), 0,
+ N_("exclude directories containing FILE"), GRID+1 },
+ {"exclude-vcs", EXCLUDE_VCS_OPTION, NULL, 0,
+ N_("exclude version control system directories"), GRID+1 },
+ {"exclude-backups", EXCLUDE_BACKUPS_OPTION, NULL, 0,
+ N_("exclude backup and lock files"), GRID+1 },
{"no-recursion", NO_RECURSION_OPTION, 0, 0,
- N_("avoid descending automatically in directories"), 91 },
+ 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"), 91 },
- {NULL, 'l', 0, OPTION_HIDDEN, "", 91},
+ N_("stay in local file system when creating archive"), GRID+1 },
{"recursion", RECURSION_OPTION, 0, 0,
- N_("recurse into directories (default)"), 91 },
+ N_("recurse into directories (default)"), GRID+1 },
{"absolute-names", 'P', 0, 0,
- N_("don't strip leading `/'s from file names"), 91 },
+ 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"), 91 },
+ 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"), 91 },
- {"strip-components", STRIP_COMPONENTS_OPTION, N_("NUMBER"), 0,
- N_("strip NUMBER leading components from file names"), 91 },
+ 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"), 91 },
+ 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"), 91 },
- {"after-date", 'N', N_("DATE"), 0,
- N_("same as -N"), 91 },
+ 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"), 91 },
+ 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)"), 91 },
+ 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_("exclude patterns use wildcards (default)"), 91 },
+ 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_("exclude pattern wildcards match `/' (default)"), 91 },
+ N_("wildcards match `/' (default for exclusion)"), GRID+1 },
+#undef GRID
+#define GRID 130
{NULL, 0, NULL, 0,
- N_("Informative output:"), 100 },
+ N_("Informative output:"), GRID },
{"verbose", 'v', 0, 0,
- N_("verbosely list files processed"), 101 },
- {"checkpoint", CHECKPOINT_OPTION, 0, 0,
- N_("display progress messages every 10th record"), 101 },
- {"check-links", CHECK_LINKS_OPTION, 0, 0,
- N_("print a message if not all links are dumped"), 102 },
- {"totals", TOTALS_OPTION, 0, 0,
- N_("print total bytes written while creating archive"), 102 },
+ N_("verbosely list files processed"), GRID+1 },
+ {"warning", WARNING_OPTION, N_("KEYWORD"), 0,
+ N_("warning control"), GRID+1 },
+ {"checkpoint", CHECKPOINT_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
+ N_("display progress messages every NUMBERth record (default 10)"),
+ GRID+1 },
+ {"checkpoint-action", CHECKPOINT_ACTION_OPTION, N_("ACTION"), 0,
+ N_("execute ACTION on each checkpoint"),
+ GRID+1 },
+ {"check-links", 'l', 0, 0,
+ N_("print a message if not all links are dumped"), GRID+1 },
+ {"totals", TOTALS_OPTION, N_("SIGNAL"), OPTION_ARG_OPTIONAL,
+ N_("print total bytes after processing the archive; "
+ "with an argument - print total bytes when this SIGNAL is delivered; "
+ "Allowed signals are: SIGHUP, SIGQUIT, SIGINT, SIGUSR1 and SIGUSR2; "
+ "the names without SIG prefix are also accepted"), GRID+1 },
{"utc", UTC_OPTION, 0, 0,
- N_("print file modification dates in UTC"), 102 },
+ N_("print file modification times in UTC"), GRID+1 },
+ {"full-time", FULL_TIME_OPTION, 0, 0,
+ N_("print file time to its full resolution"), GRID+1 },
{"index-file", INDEX_FILE_OPTION, N_("FILE"), 0,
- N_("send verbose output to FILE"), 102 },
+ N_("send verbose output to FILE"), GRID+1 },
{"block-number", 'R', 0, 0,
- N_("show block number within archive with each message"), 102 },
+ N_("show block number within archive with each message"), GRID+1 },
{"interactive", 'w', 0, 0,
- N_("ask for confirmation for every action"), 102 },
- {"confirmation", 0, 0, OPTION_ALIAS, NULL, 102 },
+ 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"), 102 },
+ 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"), 102 },
-
+ 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:"), 110 },
+ N_("Compatibility options:"), GRID },
{NULL, 'o', 0, 0,
- N_("when creating, same as --old-archive. When extracting, same as --no-same-owner"), 111 },
+ 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:"), 120 },
-
- {"help", '?', 0, 0, N_("Give this help list"), -1},
- {"usage", USAGE_OPTION, 0, 0, N_("Give a short usage message"), -1},
- {"license", LICENSE_OPTION, 0, 0, N_("Print license and exit"), -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},
+ N_("Other options:"), GRID },
+
+ {"restrict", RESTRICT_OPTION, 0, 0,
+ N_("disable use of some potentially harmful options"), -1 },
+#undef GRID
+
{0, 0, 0, 0, 0, 0}
};
-struct tar_args {
- char const *textual_date_option;
- int exclude_options;
- bool o_option;
- int pax_option;
- char const *backup_suffix_string;
- char const *version_control_string;
- int input_files;
+static char const *const atime_preserve_args[] =
+{
+ "replace", "system", NULL
+};
+
+static enum atime_preserve const atime_preserve_types[] =
+{
+ replace_atime_preserve, system_atime_preserve
+};
+
+/* Make sure atime_preserve_types has as much entries as atime_preserve_args
+ (minus 1 for NULL guard) */
+ARGMATCH_VERIFY (atime_preserve_args, atime_preserve_types);
+
+/* Wildcard matching settings */
+enum wildcards
+ {
+ default_wildcards, /* For exclusion == enable_wildcards,
+ for inclusion == disable_wildcards */
+ disable_wildcards,
+ enable_wildcards
+ };
+
+struct tar_args /* Variables used during option parsing */
+{
+ struct textual_date *textual_date; /* Keeps the arguments to --newer-mtime
+ and/or --date option if they are
+ textual dates */
+ enum wildcards wildcards; /* Wildcard settings (--wildcards/
+ --no-wildcards) */
+ int matching_flags; /* exclude_fnmatch options */
+ int include_anchored; /* Pattern anchoring options used for
+ file inclusion */
+ bool o_option; /* True if -o option was given */
+ bool pax_option; /* True if --pax-option was given */
+ char const *backup_suffix_string; /* --suffix option argument */
+ char const *version_control_string; /* --backup option argument */
+ bool input_files; /* True if some input files where given */
+ int compress_autodetect; /* True if compression autodetection should
+ be attempted when creating archives */
+};
+
+\f
+#define MAKE_EXCL_OPTIONS(args) \
+ ((((args)->wildcards != disable_wildcards) ? EXCLUDE_WILDCARDS : 0) \
+ | (args)->matching_flags \
+ | recursion_option)
+
+#define MAKE_INCL_OPTIONS(args) \
+ ((((args)->wildcards == enable_wildcards) ? EXCLUDE_WILDCARDS : 0) \
+ | (args)->include_anchored \
+ | (args)->matching_flags \
+ | recursion_option)
+
+static char const * const vcs_file_table[] = {
+ /* CVS: */
+ "CVS",
+ ".cvsignore",
+ /* RCS: */
+ "RCS",
+ /* SCCS: */
+ "SCCS",
+ /* SVN: */
+ ".svn",
+ /* git: */
+ ".git",
+ ".gitignore",
+ /* Arch: */
+ ".arch-ids",
+ "{arch}",
+ "=RELEASE-ID",
+ "=meta-update",
+ "=update",
+ /* Bazaar */
+ ".bzr",
+ ".bzrignore",
+ ".bzrtags",
+ /* Mercurial */
+ ".hg",
+ ".hgignore",
+ ".hgtags",
+ /* darcs */
+ "_darcs",
+ NULL
+};
+
+static char const * const backup_file_table[] = {
+ ".#*",
+ "*~",
+ "#*#",
+ NULL
};
static void
-show_default_settings (FILE *stream)
+add_exclude_array (char const * const * fv)
+{
+ int i;
+
+ for (i = 0; fv[i]; i++)
+ add_exclude (excluded, fv[i], 0);
+}
+
+\f
+static char *
+format_default_settings (void)
{
- fprintf (stream,
- "--format=%s -f%s -b%d --rmt-command=%s",
- archive_format_string (DEFAULT_ARCHIVE_FORMAT),
- DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
- DEFAULT_RMT_COMMAND);
+ return xasprintf (
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s"
#ifdef REMOTE_SHELL
- fprintf (stream, " --rsh-command=%s", REMOTE_SHELL);
+ " --rsh-command=%s"
#endif
- fprintf (stream, "\n");
+ ,
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT),
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
+ quoting_style_args[DEFAULT_QUOTING_STYLE],
+ DEFAULT_RMT_COMMAND
+#ifdef REMOTE_SHELL
+ , REMOTE_SHELL
+#endif
+ );
}
+\f
static void
set_subcommand_option (enum subcommand subcommand)
{
if (subcommand_option != UNKNOWN_SUBCOMMAND
&& subcommand_option != subcommand)
USAGE_ERROR ((0, 0,
- _("You may not specify more than one `-Acdtrux' option")));
+ _("You may not specify more than one `-Acdtrux' or `--test-label' option")));
subcommand_option = subcommand;
}
use_compress_program_option = string;
}
+\f
+static RETSIGTYPE
+sigstat (int signo)
+{
+ compute_duration ();
+ print_total_stats ();
+#ifndef HAVE_SIGACTION
+ signal (signo, sigstat);
+#endif
+}
-void
-license ()
+static void
+stat_on_signal (int signo)
{
- printf ("tar (%s) %s\n%s\n", PACKAGE_NAME, PACKAGE_VERSION,
- "Copyright (C) 2004 Free Software Foundation, Inc.\n");
- puts (_("Based on the work of John Gilmore and Jay Fenlason. See AUTHORS\n\
-for complete list of authors.\n"));
- printf (_(" GNU tar is free software; you can redistribute it and/or modify\n"
- " it under the terms of the GNU General Public License as published by\n"
- " the Free Software Foundation; either version 2 of the License, or\n"
- " (at your option) any later version.\n"
- "\n"
- " GNU tar is distributed in the hope that it will be useful,\n"
- " but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- " MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
- " GNU General Public License for more details.\n"
- "\n"
- " You should have received a copy of the GNU General Public License\n"
- " along with GNU tar; if not, write to the Free Software Foundation,\n"
- " Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA\n\n"));
- exit (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
}
-static volatile int _argp_hang;
+static void
+set_stat_signal (const char *name)
+{
+ static struct sigtab
+ {
+ char const *name;
+ int signo;
+ } const sigtab[] = {
+ { "SIGUSR1", SIGUSR1 },
+ { "USR1", SIGUSR1 },
+ { "SIGUSR2", SIGUSR2 },
+ { "USR2", SIGUSR2 },
+ { "SIGHUP", SIGHUP },
+ { "HUP", SIGHUP },
+ { "SIGINT", SIGINT },
+ { "INT", SIGINT },
+ { "SIGQUIT", SIGQUIT },
+ { "QUIT", SIGQUIT }
+ };
+ struct sigtab const *p;
+
+ for (p = sigtab; p < sigtab + sizeof (sigtab) / sizeof (sigtab[0]); p++)
+ if (strcmp (p->name, name) == 0)
+ {
+ stat_on_signal (p->signo);
+ return;
+ }
+ FATAL_ERROR ((0, 0, _("Unknown signal name: %s"), name));
+}
+
+\f
+struct textual_date
+{
+ struct textual_date *next;
+ struct timespec ts;
+ const char *option;
+ char *date;
+};
+
+static int
+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;
+ return 1;
+ }
+ else
+ {
+ struct textual_date *p = xmalloc (sizeof (*p));
+ p->ts = *ts;
+ p->option = option;
+ p->date = xstrdup (str);
+ p->next = args->textual_date;
+ args->textual_date = p;
+ }
+ }
+ return 0;
+}
+
+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;
+ if (verbose_option)
+ {
+ 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->date);
+ free (p);
+ p = next;
+ }
+}
+
+\f
+
+/* Either NL or NUL, as decided by the --null option. */
+static char filename_terminator;
enum read_file_list_state /* Result of reading file name from the list file */
{
file_list_success, /* OK, name read successfully */
file_list_end, /* End of list file */
- file_list_zero /* Zero separator encountered where it should not */
+ file_list_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 FILENAME_TERMINATOR and put them
+/* 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)
+read_name_from_file (FILE *fp, struct obstack *stk, int term)
{
int c;
size_t counter = 0;
- for (c = getc (fp); c != EOF && c != filename_terminator; c = getc (fp))
+ for (c = getc (fp); c != EOF && c != term; c = getc (fp))
{
if (c == 0)
{
- /* We have read a zero separator. The file possibly is zero-separated */
- /* FATAL_ERROR((0, 0, N_("file name contains null character"))); */
+ /* We have read a zero separator. The file possibly is
+ zero-separated */
return file_list_zero;
}
obstack_1grow (stk, c);
counter++;
}
+ if (counter == 0 && c != EOF)
+ return file_list_skip;
+
obstack_1grow (stk, 0);
return (counter == 0 && c == EOF) ? file_list_end : file_list_success;
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)
{
size_t new_argc;
bool is_stdin = false;
enum read_file_list_state read_state;
+ int term = filename_terminator;
if (!strcmp (filename, "-"))
{
open_fatal (filename);
}
- while ((read_state = read_name_from_file (fp, &argv_stk)) == file_list_success)
- count++;
-
- if (read_state == file_list_zero)
+ while ((read_state = read_name_from_file (fp, &argv_stk, term))
+ != file_list_end)
{
- size_t size;
+ switch (read_state)
+ {
+ case file_list_success:
+ count++;
+ break;
- WARN ((0, 0, N_("%s: file name read contains nul character"),
- quotearg_colon (filename)));
+ case file_list_end: /* won't happen, just to pacify gcc */
+ break;
- /* 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
- obstack_1grow (&argv_stk, '\n');
- obstack_1grow (&argv_stk, 0);
- count = 1;
-
- /* Read rest of files using new filename terminator */
- filename_terminator = 0;
- while (read_name_from_file (fp, &argv_stk) == file_list_success)
- count++;
+ case file_list_zero:
+ {
+ size_t size;
+
+ WARNOPT (WARN_FILENAME_WITH_NULS,
+ (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
+ 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)
start = obstack_finish (&argv_stk);
- if (filename_terminator == 0)
+ if (term == 0)
for (p = start; *p; p += strlen (p) + 1)
if (p[0] == '-')
count++;
for (i = state->next, p = start; *p; p += strlen (p) + 1, i++)
{
- if (filename_terminator == 0 && p[0] == '-')
+ if (term == 0 && p[0] == '-')
state->argv[i++] = "--add-file";
state->argv[i] = p;
}
}
\f
+static char *
+tar_help_filter (int key, const char *text, void *input)
+{
+ struct obstack stk;
+ char *s;
+
+ switch (key)
+ {
+ default:
+ s = (char*) text;
+ break;
+
+ case 'j':
+ s = xasprintf (_("filter the archive through %s"), BZIP2_PROGRAM);
+ break;
+
+ case 'z':
+ s = xasprintf (_("filter the archive through %s"), GZIP_PROGRAM);
+ break;
+
+ case 'Z':
+ s = xasprintf (_("filter the archive through %s"), COMPRESS_PROGRAM);
+ break;
+
+ case LZIP_OPTION:
+ s = xasprintf (_("filter the archive through %s"), LZIP_PROGRAM);
+ break;
+
+ case LZMA_OPTION:
+ s = xasprintf (_("filter the archive through %s"), LZMA_PROGRAM);
+ break;
+
+ case 'J':
+ s = xasprintf (_("filter the archive through %s"), XZ_PROGRAM);
+ break;
+
+ case ARGP_KEY_HELP_EXTRA:
+ {
+ const char *tstr;
+
+ obstack_init (&stk);
+ tstr = _("Valid arguments for the --quoting-style option are:");
+ obstack_grow (&stk, tstr, strlen (tstr));
+ obstack_grow (&stk, "\n\n", 2);
+ tar_list_quoting_styles (&stk, " ");
+ tstr = _("\n*This* tar defaults to:\n");
+ obstack_grow (&stk, tstr, strlen (tstr));
+ s = format_default_settings ();
+ obstack_grow (&stk, s, strlen (s));
+ obstack_1grow (&stk, '\n');
+ obstack_1grow (&stk, 0);
+ s = xstrdup (obstack_finish (&stk));
+ obstack_free (&stk, NULL);
+ }
+ }
+ return s;
+}
+\f
+static char *
+expand_pax_option (struct tar_args *targs, const char *arg)
+{
+ struct obstack stk;
+ char *res;
+
+ obstack_init (&stk);
+ while (*arg)
+ {
+ size_t seglen = strcspn (arg, ",");
+ char *p = memchr (arg, '=', seglen);
+ if (p)
+ {
+ size_t len = p - arg + 1;
+ obstack_grow (&stk, arg, len);
+ len = seglen - len;
+ for (++p; *p && isspace ((unsigned char) *p); p++)
+ len--;
+ if (*p == '{' && p[len-1] == '}')
+ {
+ struct timespec ts;
+ char *tmp = xmalloc (len);
+ memcpy (tmp, p + 1, len-2);
+ tmp[len-2] = 0;
+ if (get_date_or_file (targs, "--pax-option", tmp, &ts) == 0)
+ {
+ char buf[UINTMAX_STRSIZE_BOUND], *s;
+ s = umaxtostr (ts.tv_sec, buf);
+ obstack_grow (&stk, s, strlen (s));
+ }
+ else
+ obstack_grow (&stk, p, len);
+ free (tmp);
+ }
+ else
+ obstack_grow (&stk, p, len);
+ }
+ else
+ obstack_grow (&stk, arg, seglen);
+
+ arg += seglen;
+ if (*arg)
+ {
+ obstack_1grow (&stk, *arg);
+ arg++;
+ }
+ }
+ obstack_1grow (&stk, 0);
+ res = xstrdup (obstack_finish (&stk));
+ obstack_free (&stk, NULL);
+ return res;
+}
+
+\f
+#define TAR_SIZE_SUFFIXES "bBcGgkKMmPTtw"
+
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
- case ARGP_KEY_ARG:
- /* File name or non-parsed option, because of ARGP_IN_ORDER */
- name_add (arg);
- args->input_files++;
- break;
+ 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;
break;
case 'C':
- name_add ("-C");
- name_add (arg);
+ name_add_dir (arg);
break;
case 'd':
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 = x2nrealloc (archive_name_array,
+ &allocated_archive_names,
+ sizeof (archive_name_array[0]));
+
archive_name_array[archive_names++] = arg;
break;
multi_volume_option = true;
break;
+ case FULL_TIME_OPTION:
+ full_time_option = true;
+ break;
+
case 'g':
listed_incremental_option = arg;
after_date_option = true;
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
ignore_zeros_option = true;
break;
- case 'I':
- USAGE_ERROR ((0, 0,
- _("Warning: the -I option is not supported;"
- " perhaps you meant -j or -T?")));
+ case 'j':
+ set_use_compress_program_option (BZIP2_PROGRAM);
break;
- case 'j':
- set_use_compress_program_option ("bzip2");
+ case 'J':
+ set_use_compress_program_option (XZ_PROGRAM);
break;
case 'k':
case 'K':
starting_file_option = true;
- addname (arg, 0);
+ addname (arg, 0, true, NULL);
break;
- case 'l':
- /* Historically equivalent to --one-file-system. This usage is
- incompatible with UNIX98 and POSIX specs and therefore is
- deprecated. The semantics of -l option will be changed in
- future versions. See TODO.
- */
- WARN ((0, 0,
- _("Semantics of -l option will change in the future releases.")));
- WARN ((0, 0,
- _("Please use --one-file-system option instead.")));
- /* FALL THROUGH */
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)
+ char *p;
+
+ if (xstrtoumax (arg, &p, 10, &u, TAR_SIZE_SUFFIXES) != LONGINT_OK)
USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
_("Invalid tape length")));
- tape_length_option = 1024 * (tarlong) u;
+ if (p > arg && !strchr (TAR_SIZE_SUFFIXES, p[-1]))
+ tape_length_option = 1024 * (tarlong) u;
+ else
+ tape_length_option = (tarlong) u;
multi_volume_option = true;
}
break;
+ case LEVEL_OPTION:
+ {
+ char *p;
+ incremental_level = strtoul (arg, &p, 10);
+ if (*p)
+ USAGE_ERROR ((0, 0, _("Invalid incremental level value")));
+ }
+ break;
+
+ case LZIP_OPTION:
+ set_use_compress_program_option (LZIP_PROGRAM);
+ break;
+
+ case LZMA_OPTION:
+ set_use_compress_program_option (LZMA_PROGRAM);
+ break;
+
+ case LZOP_OPTION:
+ set_use_compress_program_option (LZOP_PROGRAM);
+ break;
+
case 'm':
touch_option = true;
break;
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;
+ seek_option = 1;
+ break;
+
+ case NO_SEEK_OPTION:
+ seek_option = 0;
break;
-#if !MSDOS
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")));
-
- if (FILE_SYSTEM_PREFIX_LEN (arg) != 0
- || ISSLASH (*arg)
- || *arg == '.')
- {
- struct stat st;
- if (deref_stat (dereference_option, arg, &st) != 0)
- {
- stat_error (arg);
- USAGE_ERROR ((0, 0, _("Date sample file not found")));
- }
- newer_mtime_option = get_stat_mtime (&st);
- }
- else
- {
- if (! get_date (&newer_mtime_option, arg, NULL))
- {
- WARN ((0, 0, _("Substituting %s for unknown date format %s"),
- tartime (newer_mtime_option, false), quote (arg)));
- newer_mtime_option.tv_nsec = 0;
- }
- else
- args->textual_date_option = arg;
- }
-
+ get_date_or_file (args,
+ key == NEWER_MTIME_OPTION ? "--newer-mtime"
+ : "--after-date", arg, &newer_mtime_option);
break;
-#endif /* not MSDOS */
case 'o':
args->o_option = true;
/* 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 ans most
+ 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. */
break;
case 's':
- /* Names to extr are sorted. */
+ /* Names to extract are sorted. */
same_order_option = true;
break;
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 (TEST_LABEL_SUBCOMMAND);
+ break;
+
case 'T':
update_argv (arg, state);
/* Indicate we've been given -T option. This is for backward
case 'v':
verbose_option++;
+ warning_option |= WARN_VERBOSE_WARNINGS;
break;
case 'V':
case 'X':
if (add_exclude_file (add_exclude, excluded, arg,
- args->exclude_options | recursion_option, '\n')
+ MAKE_EXCL_OPTIONS (args), '\n')
!= 0)
{
int e = errno;
}
break;
- 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");
+ set_use_compress_program_option (GZIP_PROGRAM);
break;
case 'Z':
- set_use_compress_program_option ("compress");
+ set_use_compress_program_option (COMPRESS_PROGRAM);
break;
case ANCHORED_OPTION:
- args->exclude_options |= EXCLUDE_ANCHORED;
+ args->matching_flags |= EXCLUDE_ANCHORED;
break;
case ATIME_PRESERVE_OPTION:
- atime_preserve_option = true;
+ 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:
- checkpoint_option = true;
+ 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;
+
+ case CHECKPOINT_ACTION_OPTION:
+ checkpoint_compile_action (arg);
break;
case BACKUP_OPTION:
args->version_control_string = arg;
break;
+ 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_BACKUPS_OPTION:
+ add_exclude_array (backup_file_table);
+ break;
+
case EXCLUDE_OPTION:
- add_exclude (excluded, arg, args->exclude_options | recursion_option);
+ add_exclude (excluded, arg, MAKE_EXCL_OPTIONS (args));
break;
case EXCLUDE_CACHES_OPTION:
- exclude_caches_option = true;
+ 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;
+
+ case EXCLUDE_CACHES_ALL_OPTION:
+ add_exclusion_tag ("CACHEDIR.TAG", exclusion_tag_all,
+ cachedir_file_p);
+ break;
+
+ case EXCLUDE_TAG_OPTION:
+ add_exclusion_tag (arg, exclusion_tag_contents, NULL);
+ break;
+
+ case EXCLUDE_TAG_UNDER_OPTION:
+ add_exclusion_tag (arg, exclusion_tag_under, NULL);
+ break;
+
+ case EXCLUDE_TAG_ALL_OPTION:
+ add_exclusion_tag (arg, exclusion_tag_all, NULL);
+ break;
+
+ case EXCLUDE_VCS_OPTION:
+ add_exclude_array (vcs_file_table);
break;
case FORCE_LOCAL_OPTION:
break;
case IGNORE_CASE_OPTION:
- args->exclude_options |= FNM_CASEFOLD;
+ args->matching_flags |= FNM_CASEFOLD;
break;
case IGNORE_COMMAND_ERROR_OPTION:
group_option = g;
else
FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
- _("%s: Invalid group")));
+ _("Invalid group")));
}
break;
break;
case NO_ANCHORED_OPTION:
- args->exclude_options &= ~ EXCLUDE_ANCHORED;
+ args->include_anchored = 0; /* Clear the default for comman line args */
+ args->matching_flags &= ~ EXCLUDE_ANCHORED;
break;
case NO_IGNORE_CASE_OPTION:
- args->exclude_options &= ~ FNM_CASEFOLD;
+ args->matching_flags &= ~ FNM_CASEFOLD;
break;
case NO_IGNORE_COMMAND_ERROR_OPTION:
old_files_option = NO_OVERWRITE_DIR_OLD_FILES;
break;
+ case NO_QUOTE_CHARS_OPTION:
+ for (;*arg; arg++)
+ set_char_quoting (NULL, *arg, 0);
+ break;
+
case NO_WILDCARDS_OPTION:
- args->exclude_options &= ~ EXCLUDE_WILDCARDS;
+ args->wildcards = disable_wildcards;
break;
case NO_WILDCARDS_MATCH_SLASH_OPTION:
- args->exclude_options |= FNM_FILE_NAME;
+ args->matching_flags |= FNM_FILE_NAME;
break;
case NULL_OPTION:
filename_terminator = '\0';
break;
+ case NO_NULL_OPTION:
+ filename_terminator = '\n';
+ break;
+
case NUMERIC_OWNER_OPTION:
numeric_owner_option = true;
break;
}
break;
+ case OVERWRITE_DIR_OPTION:
+ old_files_option = DEFAULT_OLD_FILES;
+ break;
+
case OVERWRITE_OPTION:
old_files_option = OVERWRITE_OLD_FILES;
break;
}
break;
+ case QUOTE_CHARS_OPTION:
+ for (;*arg; arg++)
+ set_char_quoting (NULL, *arg, 1);
+ break;
+
+ case QUOTING_STYLE_OPTION:
+ tar_set_quoting_style (arg);
+ break;
+
case PAX_OPTION:
- args->pax_option++;
- xheader_set_option (arg);
+ {
+ char *tmp = expand_pax_option (args, arg);
+ args->pax_option = true;
+ xheader_set_option (tmp);
+ free (tmp);
+ }
break;
case POSIX_OPTION:
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 RECORD_SIZE_OPTION:
{
uintmax_t u;
- if (! (xstrtoumax (arg, 0, 10, &u, "") == LONGINT_OK
+
+ if (! (xstrtoumax (arg, NULL, 10, &u, TAR_SIZE_SUFFIXES) == LONGINT_OK
&& u == (size_t) u))
USAGE_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
_("Invalid record size")));
remove_files_option = true;
break;
+ case RESTRICT_OPTION:
+ restrict_option = true;
+ break;
+
case RMT_COMMAND_OPTION:
rmt_command = arg;
break;
break;
case SHOW_DEFAULTS_OPTION:
- show_default_settings (stdout);
- exit(0);
+ {
+ char *s = format_default_settings ();
+ printf ("%s\n", s);
+ close_stdout ();
+ free (s);
+ exit (0);
+ }
case STRIP_COMPONENTS_OPTION:
{
show_omitted_dirs_option = true;
break;
+ case SHOW_TRANSFORMED_NAMES_OPTION:
+ show_transformed_names_option = true;
+ break;
+
case SUFFIX_OPTION:
backup_option = true;
args->backup_suffix_string = arg;
break;
case TOTALS_OPTION:
- totals_option = true;
+ if (arg)
+ set_stat_signal (arg);
+ else
+ totals_option = true;
+ break;
+
+ case TRANSFORM_OPTION:
+ set_transform_expr (arg);
break;
- case USE_COMPRESS_PROGRAM_OPTION:
+ case 'I':
set_use_compress_program_option (arg);
break;
break;
case WILDCARDS_OPTION:
- args->exclude_options |= EXCLUDE_WILDCARDS;
+ args->wildcards = enable_wildcards;
break;
case WILDCARDS_MATCH_SLASH_OPTION:
- args->exclude_options &= ~ FNM_FILE_NAME;
- break;
-
- case CHECK_LINKS_OPTION:
- check_links_option = 1;
+ args->matching_flags &= ~ FNM_FILE_NAME;
break;
case NO_RECURSION_OPTION:
unquote_option = false;
break;
+ case WARNING_OPTION:
+ set_warning_option (arg);
+ break;
+
case '0':
case '1':
case '2':
switch (arg[0])
{
case 'l':
-#ifdef LOW_NUM
- device += LOW_NUM;
-#endif
+ device += LOW_DENSITY_NUM;
break;
case 'm':
-#ifdef MID_NUM
- device += MID_NUM;
-#else
- device += 8;
-#endif
+ device += MID_DENSITY_NUM;
break;
case 'h':
-#ifdef HGH_NUM
- device += HGH_NUM;
-#else
- device += 16;
-#endif
+ device += HIGH_DENSITY_NUM;
break;
default:
#endif /* not DENSITY_LETTER */
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 = x2nrealloc (archive_name_array,
+ &allocated_archive_names,
+ sizeof (archive_name_array[0]));
archive_name_array[archive_names++] = xstrdup (buf);
}
break;
#endif /* not DEVICE_PREFIX */
- case '?':
- state->flags |= ARGP_NO_EXIT;
- argp_state_help (state, state->out_stream,
- ARGP_HELP_STD_HELP & ~ARGP_HELP_BUG_ADDR);
- fprintf (state->out_stream, _("\n*This* tar defaults to:\n"));
- show_default_settings (state->out_stream);
- fprintf (state->out_stream, "\n");
- fprintf (state->out_stream, _("Report bugs to %s.\n"),
- argp_program_bug_address);
- exit (0);
-
- case USAGE_OPTION:
- argp_state_help (state, state->out_stream,
- ARGP_HELP_USAGE | ARGP_HELP_EXIT_OK);
- break;
-
- case VERSION_OPTION:
- fprintf (state->out_stream, "%s\n", argp_program_version);
- exit (0);
-
- case LICENSE_OPTION:
- license ();
- break;
-
- case HANG_OPTION:
- _argp_hang = atoi (arg ? arg : "3600");
- while (_argp_hang-- > 0)
- sleep (1);
- break;
-
default:
return ARGP_ERR_UNKNOWN;
}
N_("[FILE]..."),
doc,
NULL,
- NULL,
+ tar_help_filter,
NULL
};
usage (int status)
{
argp_help (&argp, stderr, ARGP_HELP_SEE, (char*) program_name);
+ close_stdout ();
exit (status);
}
/* Parse the options for tar. */
static struct argp_option *
-find_argp_option (struct argp_option *options, int letter)
+find_argp_option (struct argp_option *o, int letter)
{
for (;
- !(options->name == NULL
- && options->key == 0
- && options->arg == 0
- && options->flags == 0
- && options->doc == NULL); options++)
- if (options->key == letter)
- return options;
+ !(o->name == NULL
+ && o->key == 0
+ && o->arg == 0
+ && o->flags == 0
+ && o->doc == NULL); o++)
+ if (o->key == letter)
+ return o;
return NULL;
}
+static const char *tar_authors[] = {
+ "John Gilmore",
+ "Jay Fenlason",
+ NULL
+};
+
static void
decode_options (int argc, char **argv)
{
- int index;
+ int idx;
struct tar_args args;
+ argp_version_setup ("tar", tar_authors);
+
/* Set some default option values. */
- args.textual_date_option = NULL;
- args.exclude_options = EXCLUDE_WILDCARDS;
- args.o_option = 0;
- args.pax_option = 0;
+ 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 = 0;
+ args.input_files = false;
+ args.compress_autodetect = false;
subcommand_option = UNKNOWN_SUBCOMMAND;
archive_format = DEFAULT_FORMAT;
newer_mtime_option.tv_nsec = -1;
recursion_option = FNM_LEADING_DIR;
unquote_option = true;
+ tar_sparse_major = 1;
+ tar_sparse_minor = 0;
owner_option = -1;
group_option = -1;
+ check_device_option = true;
+
+ incremental_level = -1;
+
+ seek_option = -1;
+
/* Convert old-style tar call by exploding option element and rearranging
options accordingly. */
prepend_default_options (getenv ("TAR_OPTIONS"), &argc, &argv);
- if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER|ARGP_NO_HELP,
- &index, &args))
- exit (1);
+ if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER, &idx, &args))
+ exit (TAREXIT_FAILURE);
/* Special handling for 'o' option:
}
/* Handle operands after any "--" argument. */
- for (; index < argc; index++)
+ for (; idx < argc; idx++)
{
- name_add (argv[index]);
- args.input_files++;
+ name_add_name (argv[idx], MAKE_INCL_OPTIONS (&args));
+ args.input_files = true;
}
+ /* 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)
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));
_("--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
&& NEWER_OPTION_INITIALIZED (newer_mtime_option))
USAGE_ERROR ((0, 0,
_("Cannot combine --listed-incremental with --newer")));
+ if (incremental_level != -1 && !listed_incremental_option)
+ WARN ((0, 0,
+ _("--level is meaningless without --listed-incremental")));
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
if (recursive_unlink_option)
old_files_option = UNLINK_FIRST_OLD_FILES;
- if (utc_option)
+ /* Flags for accessing files to be read from or copied into. POSIX says
+ O_NONBLOCK has unspecified effect on most types of files, but in
+ practice it never harms and sometimes helps. */
+ {
+ int base_open_flags =
+ (O_BINARY | O_CLOEXEC | O_NOCTTY | O_NONBLOCK
+ | (dereference_option ? 0 : O_NOFOLLOW)
+ | (atime_preserve_option == system_atime_preserve ? O_NOATIME : 0));
+ open_read_flags = O_RDONLY | base_open_flags;
+ open_searchdir_flags = O_SEARCH | O_DIRECTORY | base_open_flags;
+ }
+ fstatat_flags = dereference_option ? 0 : AT_SYMLINK_NOFOLLOW;
+
+ if (subcommand_option == TEST_LABEL_SUBCOMMAND)
+ {
+ /* --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 (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 (args.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_compression_program_by_suffix (archive_name_array[0],
+ use_compress_program_option);
break;
case EXTRACT_SUBCOMMAND:
case LIST_SUBCOMMAND:
case DIFF_SUBCOMMAND:
+ case TEST_LABEL_SUBCOMMAND:
for (archive_name_cursor = archive_name_array;
archive_name_cursor < archive_name_array + archive_names;
archive_name_cursor++)
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. */
backup_option = false;
}
- if (verbose_option && args.textual_date_option)
- {
- char const *treated_as = tartime (newer_mtime_option, true);
- if (strcmp (args.textual_date_option, treated_as) != 0)
- WARN ((0, 0, _("Treating date `%s' as %s"),
- args.textual_date_option, treated_as));
- }
+ checkpoint_finish_compile ();
+
+ report_textual_dates (&args);
}
\f
main (int argc, char **argv)
{
set_start_time ();
- program_name = argv[0];
+ set_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. */
obstack_init (&argv_stk);
-#ifdef SIGCHLD
/* System V fork+wait does not work if SIGCHLD is ignored. */
signal (SIGCHLD, SIG_DFL);
-#endif
- init_names ();
+ /* Try to disable the ability to unlink a directory. */
+ priv_set_remove_linkdir ();
/* Decode options. */
decode_options (argc, argv);
+
name_init ();
/* Main command execution. */
{
case UNKNOWN_SUBCOMMAND:
USAGE_ERROR ((0, 0,
- _("You must specify one of the `-Acdtrux' options")));
+ _("You must specify one of the `-Acdtrux' or `--test-label' options")));
case CAT_SUBCOMMAND:
case UPDATE_SUBCOMMAND:
case CREATE_SUBCOMMAND:
create_archive ();
- if (totals_option)
- print_total_written ();
break;
case EXTRACT_SUBCOMMAND:
diff_init ();
read_and (diff_archive);
break;
+
+ case TEST_LABEL_SUBCOMMAND:
+ test_archive_label ();
}
+ if (totals_option)
+ print_total_stats ();
+
if (check_links_option)
check_links ();
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)
- exit_status = TAREXIT_FAILURE;
+ error (0, 0, _("Exiting with failure status due to previous errors"));
+
+ if (stdlis == stdout)
+ close_stdout ();
+ else if (ferror (stderr) || fclose (stderr) != 0)
+ set_exit_status (TAREXIT_FAILURE);
+
return exit_status;
}
memset (st, 0, sizeof (*st));
}
+/* Close the stream or file descriptor associated with ST, and remove
+ all traces of it from ST. Return true if successful, false (with a
+ diagnostic) otherwise. */
+bool
+tar_stat_close (struct tar_stat_info *st)
+{
+ int status = (st->dirstream ? closedir (st->dirstream)
+ : 0 < st->fd ? close (st->fd)
+ : 0);
+ st->dirstream = 0;
+ st->fd = 0;
+
+ if (status == 0)
+ return true;
+ else
+ {
+ close_diag (st->orig_file_name);
+ return false;
+ }
+}
+
void
tar_stat_destroy (struct tar_stat_info *st)
{
+ tar_stat_close (st);
free (st->orig_file_name);
free (st->file_name);
free (st->link_name);
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);
+}
+
+/* Set tar exit status to VAL, unless it is already indicating
+ a more serious condition. This relies on the fact that the
+ values of TAREXIT_ constants are ranged by severity. */
+void
+set_exit_status (int val)
+{
+ if (val > exit_status)
+ exit_status = val;
+}
projects / chaz / tar / blobdiff