/* A tar (tape archiver) program.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
- 2001, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2001, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
Written by John Gilmore, starting 1985-08-25.
#include <argp.h>
#include <argp-namefrob.h>
#include <argp-fmtstream.h>
+#include <argp-version-etc.h>
#include <signal.h>
#if ! defined SIGCHLD && defined SIGCLD
#include <version-etc.h>
#include <xstrtol.h>
#include <stdopen.h>
+#include <priv-set.h>
/* Local declarations. */
}
void
-tar_list_quoting_styles (argp_fmtstream_t fs, char *prefix)
+tar_list_quoting_styles (struct obstack *stk, char *prefix)
{
int i;
-
+ size_t prefixlen = strlen (prefix);
+
for (i = 0; quoting_style_args[i]; i++)
- argp_fmtstream_printf (fs, "%s%s\n", prefix, quoting_style_args[i]);
+ {
+ obstack_grow (stk, prefix, prefixlen);
+ obstack_grow (stk, quoting_style_args[i],
+ strlen (quoting_style_args[i]));
+ obstack_1grow (stk, '\n');
+ }
}
void
DELAY_DIRECTORY_RESTORE_OPTION,
HARD_DEREFERENCE_OPTION,
DELETE_OPTION,
+ EXCLUDE_BACKUPS_OPTION,
EXCLUDE_CACHES_OPTION,
EXCLUDE_CACHES_UNDER_OPTION,
EXCLUDE_CACHES_ALL_OPTION,
EXCLUDE_VCS_OPTION,
FORCE_LOCAL_OPTION,
GROUP_OPTION,
- HANG_OPTION,
IGNORE_CASE_OPTION,
IGNORE_COMMAND_ERROR_OPTION,
IGNORE_FAILED_READ_OPTION,
INDEX_FILE_OPTION,
KEEP_NEWER_FILES_OPTION,
+ LEVEL_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_MATCH_SLASH_OPTION,
NO_WILDCARDS_OPTION,
TO_COMMAND_OPTION,
TRANSFORM_OPTION,
UNQUOTE_OPTION,
- USAGE_OPTION,
- USE_COMPRESS_PROGRAM_OPTION,
UTC_OPTION,
- VERSION_OPTION,
VOLNO_FILE_OPTION,
+ WARNING_OPTION,
WILDCARDS_MATCH_SLASH_OPTION,
WILDCARDS_OPTION
};
/* NOTE:
- Available option letters are DEIJQY and eqy. Consider the following
+ Available option letters are DEQY and eqy. Consider the following
assignments:
[For Solaris tar compatibility =/= Is it important at all?]
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
N_("handle old GNU-format incremental backup"), GRID+1 },
{"listed-incremental", 'g', N_("FILE"), 0,
N_("handle new GNU-format incremental backup"), GRID+1 },
+ {"level", LEVEL_OPTION, N_("NUMBER"), 0,
+ N_("dump level for created listed-incremental archive"), GRID+1 },
{"ignore-failed-read", IGNORE_FAILED_READ_OPTION, 0, 0,
N_("do not exit with nonzero on unreadable files"), GRID+1 },
{"occurrence", OCCURRENCE_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
" NUMBER defaults to 1"), GRID+1 },
{"seek", 'n', NULL, 0,
N_("archive is seekable"), GRID+1 },
+ {"no-seek", NO_SEEK_OPTION, NULL, 0,
+ N_("archive is not seekable"), GRID+1 },
{"no-check-device", NO_CHECK_DEVICE_OPTION, NULL, 0,
N_("do not check device numbers when creating incremental archives"),
GRID+1 },
{"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 },
+ 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"), GRID+1 },
+ N_("extract files as yourself (default for ordinary users)"), GRID+1 },
{"numeric-owner", NUMERIC_OWNER_OPTION, 0, 0,
N_("always use numbers for user/group names"), GRID+1 },
{"preserve-permissions", 'p', 0, 0,
N_("Compression options:"), GRID },
{"auto-compress", 'a', 0, 0,
N_("use archive suffix to determine the compression program"), GRID+1 },
+ {"no-auto-compress", NO_AUTO_COMPRESS_OPTION, 0, 0,
+ N_("do not use archive suffix to determine the compression program"),
+ GRID+1 },
{"bzip2", 'j', 0, 0,
N_("filter the archive through bzip2"), GRID+1 },
{"gzip", 'z', 0, 0,
{"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"lzma", LZMA_OPTION, 0, 0,
N_("filter the archive through lzma"), GRID+1 },
- {"use-compress-program", USE_COMPRESS_PROGRAM_OPTION, N_("PROG"), 0,
+ {"lzop", LZOP_OPTION, 0, 0,
+ N_("filter the archive through lzop"), GRID+8 },
+ {"xz", 'J', 0, 0,
+ N_("filter the archive through xz"), GRID+8 },
+ {"use-compress-program", 'I', N_("PROG"), 0,
N_("filter through PROG (must accept -d)"), GRID+1 },
#undef GRID
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_("exclude directories containing FILE"), GRID+1 },
{"exclude-vcs", EXCLUDE_VCS_OPTION, NULL, 0,
N_("exclude version control system directories"), GRID+1 },
+ {"exclude-backups", EXCLUDE_BACKUPS_OPTION, NULL, 0,
+ N_("exclude backup and lock files"), GRID+1 },
{"no-recursion", NO_RECURSION_OPTION, 0, 0,
N_("avoid descending automatically in directories"), GRID+1 },
{"one-file-system", ONE_FILE_SYSTEM_OPTION, 0, 0,
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
{"verbose", 'v', 0, 0,
N_("verbosely list files processed"), GRID+1 },
+ {"warning", WARNING_OPTION, N_("KEYWORD"), 0,
+ N_("warning control"), GRID+1 },
{"checkpoint", CHECKPOINT_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
N_("display progress messages every NUMBERth record (default 10)"),
GRID+1 },
{"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}
| (args)->matching_flags \
| recursion_option)
+static char const * const vcs_file_table[] = {
+ /* CVS: */
+ "CVS",
+ ".cvsignore",
+ /* RCS: */
+ "RCS",
+ /* SCCS: */
+ "SCCS",
+ /* SVN: */
+ ".svn",
+ /* git: */
+ ".git",
+ ".gitignore",
+ /* Arch: */
+ ".arch-ids",
+ "{arch}",
+ "=RELEASE-ID",
+ "=meta-update",
+ "=update",
+ /* Bazaar */
+ ".bzr",
+ ".bzrignore",
+ ".bzrtags",
+ /* Mercurial */
+ ".hg",
+ ".hgignore",
+ ".hgtags",
+ /* darcs */
+ "_darcs",
+ NULL
+};
+
+static char const * const backup_file_table[] = {
+ ".#*",
+ "*~",
+ "#*#",
+ NULL
+};
+
void
-exclude_vcs_files ()
+add_exclude_array (char const * const * fv)
{
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",
- NULL
- };
- for (i = 0; vcs_file[i]; i++)
- add_exclude (excluded, vcs_file[i], 0);
+ for (i = 0; fv[i]; i++)
+ add_exclude (excluded, fv[i], 0);
}
\f
+static char *
+format_default_settings (void)
+{
+ char *s;
+
+ asprintf (&s,
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s"
#ifdef REMOTE_SHELL
-# 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"); \
-}
+ " --rsh-command=%s"
#endif
+ ,
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT),
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING,
+ quoting_style_args[DEFAULT_QUOTING_STYLE],
+ DEFAULT_RMT_COMMAND,
+#ifdef REMOTE_SHELL
+ REMOTE_SHELL
+#endif
+ );
+ return s;
+}
-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)
-
+\f
static void
set_subcommand_option (enum subcommand subcommand)
{
&& subcommand_option != subcommand)
USAGE_ERROR ((0, 0,
_("You may not specify more than one `-Acdtrux' option")));
-
+
subcommand_option = subcommand;
}
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
}
\f
-static volatile int _argp_hang;
+
+/* 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_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)
{
obstack_1grow (stk, c);
counter++;
}
-
+
if (counter == 0 && c != EOF)
return file_list_skip;
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;
if ((fp = fopen (filename, "r")) == NULL)
open_fatal (filename);
}
-
- while ((read_state = read_name_from_file (fp, &argv_stk)) != file_list_end)
+
+ while ((read_state = read_name_from_file (fp, &argv_stk, term))
+ != file_list_end)
{
switch (read_state)
{
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)));
-
+
+ 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);
obstack_1grow (&argv_stk, 0);
count = 1;
/* Read rest of files using new filename terminator */
- filename_terminator = 0;
+ term = 0;
break;
}
-
+
case file_list_skip:
break;
}
}
-
+
if (!is_stdin)
fclose (fp);
-
+
if (count == 0)
return;
-
+
start = obstack_finish (&argv_stk);
-
- if (filename_terminator == 0)
+
+ 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 (filename_terminator == 0 && p[0] == '-')
+ if (term == 0 && p[0] == '-')
state->argv[i++] = "--add-file";
state->argv[i] = p;
}
}
\f
-static void
-tar_help (struct argp_state *state)
+static char *
+tar_help_filter (int key, const char *text, void *input)
{
- 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);
+ struct obstack stk;
+ char *s;
+
+ if (key != ARGP_KEY_HELP_EXTRA)
+ return (char*) text;
+
+ obstack_init (&stk);
+ s = _("Valid arguments for the --quoting-style option are:");
+ obstack_grow (&stk, s, strlen (s));
+ obstack_grow (&stk, "\n\n", 2);
+ tar_list_quoting_styles (&stk, " ");
+ s = _("\n*This* tar defaults to:\n");
+ obstack_grow (&stk, s, strlen (s));
+ 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 error_t
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;
_("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;
/* 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 'I':
- USAGE_ERROR ((0, 0,
- _("Warning: the -I option is not supported;"
- " perhaps you meant -j or -T?")));
- break;
-
+
case 'j':
set_use_compress_program_option ("bzip2");
break;
-
+
+ case 'J':
+ set_use_compress_program_option ("xz");
+ break;
+
case 'k':
/* Don't replace existing files. */
old_files_option = KEEP_OLD_FILES;
break;
-
+
case 'K':
starting_file_option = true;
- addname (arg, 0);
+ addname (arg, 0, true, NULL);
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;
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 LZMA_OPTION:
set_use_compress_program_option ("lzma");
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;
+ seek_option = 1;
break;
-
+
+ case NO_SEEK_OPTION:
+ seek_option = 0;
+ 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);
+ : "--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;
{
}
}
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
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++;
+ warning_option |= WARN_VERBOSE_WARNINGS;
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')
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
_("--atime-preserve='system' is not supported"
" on this platform")));
break;
-
+
case CHECK_DEVICE_OPTION:
check_device_option = true;
break;
if (arg)
{
char *p;
-
+
if (*arg == '.')
{
checkpoint_compile_action (".");
else
checkpoint_option = DEFAULT_CHECKPOINT;
break;
-
+
case CHECKPOINT_ACTION_OPTION:
checkpoint_compile_action (arg);
break;
if (arg)
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, 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;
-
+
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:
- exclude_vcs_files ();
+ add_exclude_array (vcs_file_table);
break;
case FORCE_LOCAL_OPTION:
force_local_option = true;
break;
-
+
case 'H':
set_archive_format (arg);
break;
-
+
case INDEX_FILE_OPTION:
index_file_name = arg;
break;
-
+
case IGNORE_CASE_OPTION:
args->matching_flags |= FNM_CASEFOLD;
break;
-
+
case IGNORE_COMMAND_ERROR_OPTION:
ignore_command_error_option = true;
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 (arg) < GNAME_FIELD_SIZE
&& gname_to_gid (arg, &group_option)))
group_option = g;
else
FATAL_ERROR ((0, 0, "%s: %s", quotearg_colon (arg),
- _("%s: Invalid group")));
+ _("Invalid group")));
}
break;
-
+
case MODE_OPTION:
mode_option = mode_compile (arg);
if (!mode_option)
initial_umask = umask (0);
umask (initial_umask);
break;
-
+
case NO_ANCHORED_OPTION:
args->include_anchored = 0; /* Clear the default for comman line args */
args->matching_flags &= ~ EXCLUDE_ANCHORED;
break;
-
+
case NO_IGNORE_CASE_OPTION:
args->matching_flags &= ~ FNM_CASEFOLD;
break;
-
+
case NO_IGNORE_COMMAND_ERROR_OPTION:
ignore_command_error_option = false;
break;
-
+
case NO_OVERWRITE_DIR_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->wildcards = disable_wildcards;
break;
-
+
case NO_WILDCARDS_MATCH_SLASH_OPTION:
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;
-
+
case OCCURRENCE_OPTION:
if (!arg)
occurrence_option = 1;
_("Invalid number")));
}
break;
-
+
case OVERWRITE_DIR_OPTION:
old_files_option = DEFAULT_OLD_FILES;
break;
-
+
case OVERWRITE_OPTION:
old_files_option = OVERWRITE_OLD_FILES;
break;
-
+
case OWNER_OPTION:
if (! (strlen (arg) < UNAME_FIELD_SIZE
&& uname_to_uid (arg, &owner_option)))
_("Invalid owner")));
}
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 = true;
xheader_set_option (arg);
break;
-
+
case POSIX_OPTION:
set_archive_format ("posix");
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;
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 RESTRICT_OPTION:
restrict_option = true;
break;
-
+
case RMT_COMMAND_OPTION:
rmt_command = arg;
break;
-
+
case RSH_COMMAND_OPTION:
rsh_command_option = arg;
break;
-
+
case SHOW_DEFAULTS_OPTION:
- show_default_settings (stdout);
- close_stdout ();
- exit (0);
-
+ {
+ char *s = format_default_settings ();
+ printf ("%s\n", s);
+ close_stdout ();
+ free (s);
+ exit (0);
+ }
+
case STRIP_COMPONENTS_OPTION:
{
uintmax_t u;
set_transform_expr (arg);
break;
- case USE_COMPRESS_PROGRAM_OPTION:
+ case 'I':
set_use_compress_program_option (arg);
break;
unquote_option = false;
break;
+ case WARNING_OPTION:
+ set_warning_option (arg);
+ break;
+
case '0':
case '1':
case '2':
#endif /* not DEVICE_PREFIX */
- 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;
-
default:
return ARGP_ERR_UNKNOWN;
}
N_("[FILE]..."),
doc,
NULL,
- NULL,
+ tar_help_filter,
NULL
};
return NULL;
}
+static const char *tar_authors[] = {
+ "John Gilmore",
+ "Jay Fenlason",
+ NULL
+};
+
static void
decode_options (int argc, char **argv)
{
int idx;
struct tar_args args;
+ argp_version_setup ("tar", tar_authors);
+
/* Set some default option values. */
args.textual_date = NULL;
args.wildcards = default_wildcards;
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,
- &idx, &args))
+ if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER, &idx, &args))
exit (TAREXIT_FAILURE);
_("--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)
{
if (archive_format == GNU_FORMAT || archive_format == OLDGNU_FORMAT)
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. */
obstack_init (&argv_stk);
-#ifdef SIGCHLD
+ /* Ensure default behavior for some signals */
+ signal (SIGPIPE, SIG_DFL);
/* System V fork+wait does not work if SIGCHLD is ignored. */
signal (SIGCHLD, SIG_DFL);
-#endif
+ /* Try to disable the ability to unlink a directory. */
+ priv_set_remove_linkdir ();
+
/* Decode options. */
decode_options (argc, argv);
if (stdlis == stdout)
close_stdout ();
else if (ferror (stderr) || fclose (stderr) != 0)
- exit_status = TAREXIT_FAILURE;
+ set_exit_status (TAREXIT_FAILURE);
return exit_status;
}
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