#include <system.h>
#include <fnmatch.h>
+#include <getline.h>
#include <argp.h>
+#include <argp-namefrob.h>
+#include <argp-fmtstream.h>
#include <signal.h>
#if ! defined SIGCHLD && defined SIGCLD
#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>
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";
}
void
-tar_list_quoting_styles (FILE *fp, char *prefix)
+tar_list_quoting_styles (argp_fmtstream_t fs, char *prefix)
{
int i;
for (i = 0; quoting_style_args[i]; i++)
- fprintf (fp, "%s%s\n", prefix, quoting_style_args[i]);
+ argp_fmtstream_printf (fs, "%s%s\n", prefix, quoting_style_args[i]);
}
void
return;
}
FATAL_ERROR ((0, 0,
- _("Unknown quoting style `%s'. Try `%s --quoting-style=help' to get a list."), arg));
+ _("Unknown quoting style `%s'. Try `%s --quoting-style=help' to get a list."), arg, program_invocation_short_name));
}
\f
ATIME_PRESERVE_OPTION,
BACKUP_OPTION,
CHECKPOINT_OPTION,
- CHECK_LINKS_OPTION,
DELAY_DIRECTORY_RESTORE_OPTION,
DELETE_OPTION,
EXCLUDE_CACHES_OPTION,
IGNORE_FAILED_READ_OPTION,
INDEX_FILE_OPTION,
KEEP_NEWER_FILES_OPTION,
- LICENSE_OPTION,
MODE_OPTION,
+ MTIME_OPTION,
NEWER_MTIME_OPTION,
NO_ANCHORED_OPTION,
NO_DELAY_DIRECTORY_RESTORE_OPTION,
OCCURRENCE_OPTION,
OLD_ARCHIVE_OPTION,
ONE_FILE_SYSTEM_OPTION,
+ OVERWRITE_DIR_OPTION,
OVERWRITE_OPTION,
OWNER_OPTION,
PAX_OPTION,
SAME_OWNER_OPTION,
SHOW_DEFAULTS_OPTION,
SHOW_OMITTED_DIRS_OPTION,
- SHOW_STORED_NAMES_OPTION,
+ SHOW_TRANSFORMED_NAMES_OPTION,
+ SPARSE_VERSION_OPTION,
STRIP_COMPONENTS_OPTION,
SUFFIX_OPTION,
TEST_LABEL_OPTION,
TOTALS_OPTION,
TO_COMMAND_OPTION,
+ TRANSFORM_OPTION,
UNQUOTE_OPTION,
USAGE_OPTION,
USE_COMPRESS_PROGRAM_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\
{"delete", DELETE_OPTION, 0, 0,
N_("delete from the archive (not on mag tapes!)"), GRID+1 },
{"test-label", TEST_LABEL_OPTION, NULL, 0,
- N_("Test archive volume label and exit"), GRID+1 },
+ N_("test the archive volume label and exit"), GRID+1 },
#undef GRID
-#define GRID 20
+#define GRID 20
{NULL, 0, NULL, 0,
N_("Operation modifiers:"), GRID },
{"sparse", 'S', 0, 0,
N_("handle sparse files efficiently"), GRID+1 },
+ {"sparse-version", SPARSE_VERSION_OPTION, N_("MAJOR[.MINOR]"), 0,
+ N_("set version of the sparse format to use (implies --sparse)"), GRID+1},
{"incremental", 'G', 0, 0,
N_("handle old GNU-format incremental backup"), GRID+1 },
{"listed-incremental", 'g', N_("FILE"), 0,
{"ignore-failed-read", IGNORE_FAILED_READ_OPTION, 0, 0,
N_("do not exit with nonzero on unreadable files"), GRID+1 },
{"occurrence", OCCURRENCE_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
- N_("process only the NUMBERth occurrence of each file in the archive. This option is valid only in conjunction with one of the subcommands --delete, --diff, --extract or --list and when a list of files is given either on the command line or via -T option. NUMBER defaults to 1."), GRID+1 },
+ N_("process only the NUMBERth occurrence of each file in the archive;"
+ " this option is valid only in conjunction with one of the subcommands"
+ " --delete, --diff, --extract or --list and when a list of files"
+ " is given either on the command line or via the -T option;"
+ " NUMBER defaults to 1"), GRID+1 },
{"seek", 'n', NULL, 0,
N_("archive is seekable"), GRID+1 },
#undef GRID
-#define GRID 30
+#define GRID 30
{NULL, 0, NULL, 0,
- N_("Overwrite control:\n"), GRID+1 },
+ N_("Overwrite control:"), GRID },
{"verify", 'W', 0, 0,
N_("attempt to verify the archive after writing it"), GRID+1 },
N_("empty hierarchies prior to extracting directory"), GRID+1 },
{"no-overwrite-dir", NO_OVERWRITE_DIR_OPTION, 0, 0,
N_("preserve metadata of existing directories"), GRID+1 },
+ {"overwrite-dir", OVERWRITE_DIR_OPTION, 0, 0,
+ N_("overwrite metadata of existing directories when extracting (default)"),
+ GRID+1 },
#undef GRID
-#define GRID 40
+#define GRID 40
{NULL, 0, NULL, 0,
N_("Select output stream:"), GRID },
N_("treat non-zero exit codes of children as error"), GRID+1 },
#undef GRID
-#define GRID 50
+#define GRID 50
{NULL, 0, NULL, 0,
N_("Handling of file attributes:"), GRID },
N_("force NAME as owner for added files"), GRID+1 },
{"group", GROUP_OPTION, N_("NAME"), 0,
N_("force NAME as group for added files"), GRID+1 },
+ {"mtime", MTIME_OPTION, N_("DATE-OR-FILE"), 0,
+ N_("set mtime for added files from DATE-OR-FILE"), GRID+1 },
{"mode", MODE_OPTION, N_("CHANGES"), 0,
N_("force (symbolic) mode CHANGES for added files"), GRID+1 },
{"atime-preserve", ATIME_PRESERVE_OPTION,
{"preserve", PRESERVE_OPTION, 0, 0,
N_("same as both -p and -s"), GRID+1 },
{"delay-directory-restore", DELAY_DIRECTORY_RESTORE_OPTION, 0, 0,
- N_("Delay setting modification times and permissions of extracted directories until the end of extraction."), GRID+1 },
+ 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 },
+ N_("cancel the effect of --delay-directory-restore option"), GRID+1 },
#undef GRID
-#define GRID 60
+#define GRID 60
{NULL, 0, NULL, 0,
- N_("Device selection and switching:\n"), GRID+1 },
+ N_("Device selection and switching:"), GRID },
{"file", 'f', N_("ARCHIVE"), 0,
N_("use archive file or device ARCHIVE"), GRID+1 },
N_("use/update the volume number in FILE"), GRID+1 },
#undef GRID
-#define GRID 70
+#define GRID 70
{NULL, 0, NULL, 0,
- N_("Device blocking:"), GRID+1 },
+ N_("Device blocking:"), GRID },
{"blocking-factor", 'b', N_("BLOCKS"), 0,
N_("BLOCKS x 512 bytes per record"), GRID+1 },
N_("reblock as we read (for 4.2BSD pipes)"), GRID+1 },
#undef GRID
-#define GRID 80
+#define GRID 80
{NULL, 0, NULL, 0,
N_("Archive format selection:"), GRID },
{"format", 'H', N_("FORMAT"), 0,
- N_("create archive of the given format."), GRID+1 },
+ N_("create archive of the given format"), GRID+1 },
{NULL, 0, NULL, 0, N_("FORMAT is one of the following:"), GRID+2 },
{" v7", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("old V7 tar format"),
{"portability", 0, 0, OPTION_ALIAS, NULL, GRID+8 },
{"posix", POSIX_OPTION, 0, 0,
N_("same as --format=posix"), GRID+8 },
- {"pax-option", PAX_OPTION, N_("keyword[[:]=value][,keyword[[:]=value], ...]"), 0,
+ {"pax-option", PAX_OPTION, N_("keyword[[:]=value][,keyword[[:]=value]]..."), 0,
N_("control pax keywords"), GRID+8 },
{"label", 'V', N_("TEXT"), 0,
- N_("create archive with volume name TEXT. At list/extract time, use TEXT as a globbing pattern for volume name"), GRID+8 },
+ N_("create archive with volume name TEXT; at list/extract time, use TEXT as a globbing pattern for volume name"), GRID+8 },
{"bzip2", 'j', 0, 0,
N_("filter the archive through bzip2"), GRID+8 },
{"gzip", 'z', 0, 0,
N_("filter through PROG (must accept -d)"), GRID+8 },
#undef GRID
-#define GRID 90
+#define GRID 90
{NULL, 0, NULL, 0,
N_("Local file selection:"), GRID },
N_("exclude patterns listed in FILE"), GRID+1 },
{"exclude-caches", EXCLUDE_CACHES_OPTION, 0, 0,
N_("exclude directories containing a cache tag"), GRID+1 },
- {"ignore-case", IGNORE_CASE_OPTION, 0, 0,
- N_("exclusion ignores case"), GRID+1 },
- {"anchored", ANCHORED_OPTION, 0, 0,
- N_("exclude patterns match file name start"), GRID+1 },
- {"no-anchored", NO_ANCHORED_OPTION, 0, 0,
- N_("exclude patterns match after any `/' (default)"), GRID+1 },
- {"no-ignore-case", NO_IGNORE_CASE_OPTION, 0, 0,
- N_("exclusion is case sensitive (default)"), GRID+1 },
- {"no-wildcards", NO_WILDCARDS_OPTION, 0, 0,
- N_("exclude patterns are plain strings"), GRID+1 },
- {"no-wildcards-match-slash", NO_WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
- N_("exclude pattern wildcards do not match `/'"), GRID+1 },
{"no-recursion", NO_RECURSION_OPTION, 0, 0,
N_("avoid descending automatically in directories"), GRID+1 },
{"one-file-system", ONE_FILE_SYSTEM_OPTION, 0, 0,
N_("stay in local file system when creating archive"), GRID+1 },
- {NULL, 'l', 0, OPTION_HIDDEN, "", GRID+1 },
{"recursion", RECURSION_OPTION, 0, 0,
N_("recurse into directories (default)"), GRID+1 },
{"absolute-names", 'P', 0, 0,
N_("follow symlinks; archive and dump the files they point to"), GRID+1 },
{"starting-file", 'K', N_("MEMBER-NAME"), 0,
N_("begin at member MEMBER-NAME in the archive"), GRID+1 },
- {"strip-components", STRIP_COMPONENTS_OPTION, N_("NUMBER"), 0,
- N_("strip NUMBER leading components from file names"), GRID+1 },
{"newer", 'N', N_("DATE-OR-FILE"), 0,
N_("only store files newer than DATE-OR-FILE"), GRID+1 },
+ {"after-date", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"newer-mtime", NEWER_MTIME_OPTION, N_("DATE"), 0,
N_("compare date and time when data changed only"), GRID+1 },
- {"after-date", 'N', N_("DATE"), 0,
- N_("same as -N"), GRID+1 },
{"backup", BACKUP_OPTION, N_("CONTROL"), OPTION_ARG_OPTIONAL,
N_("backup before removal, choose version CONTROL"), GRID+1 },
{"suffix", SUFFIX_OPTION, N_("STRING"), 0,
N_("backup before removal, override usual suffix ('~' unless overridden by environment variable SIMPLE_BACKUP_SUFFIX)"), GRID+1 },
+#undef GRID
+
+#define GRID 92
+ {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 },
+#undef GRID
+
+#define GRID 95
+ {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)"), GRID+1 },
+ 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)"), GRID+1 },
+ N_("wildcards match `/' (default for exclusion)"), GRID+1 },
#undef GRID
-#define GRID 100
+#define GRID 100
{NULL, 0, NULL, 0,
N_("Informative output:"), GRID },
{"verbose", 'v', 0, 0,
N_("verbosely list files processed"), GRID+1 },
- {"checkpoint", CHECKPOINT_OPTION, 0, 0,
- N_("display progress messages every 10th record"), GRID+1 },
- {"check-links", CHECK_LINKS_OPTION, 0, 0,
+ {"checkpoint", CHECKPOINT_OPTION, N_("[.]NUMBER"), OPTION_ARG_OPTIONAL,
+ N_("display progress messages every NUMBERth record (default 10)"),
+ GRID+1 },
+ {"check-links", 'l', 0, 0,
N_("print a message if not all links are dumped"), GRID+1 },
- {"totals", TOTALS_OPTION, 0, 0,
- N_("print total bytes written while creating archive"), GRID+1 },
+ {"totals", TOTALS_OPTION, N_("SIGNAL"), OPTION_ARG_OPTIONAL,
+ N_("print total bytes after processing the archive; "
+ "with an argument - print total bytes when this SIGNAL is delivered; "
+ "Allowed signals are: SIGHUP, SIGQUIT, SIGINT, SIGUSR1 and SIGUSR2; "
+ "the names without SIG prefix are also accepted"), GRID+1 },
{"utc", UTC_OPTION, 0, 0,
N_("print file modification dates in UTC"), GRID+1 },
{"index-file", INDEX_FILE_OPTION, N_("FILE"), 0,
N_("ask for confirmation for every action"), GRID+1 },
{"confirmation", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"show-defaults", SHOW_DEFAULTS_OPTION, 0, 0,
- N_("Show tar defaults"), GRID+1 },
+ N_("show tar defaults"), GRID+1 },
{"show-omitted-dirs", SHOW_OMITTED_DIRS_OPTION, 0, 0,
- N_("When listing or extracting, list each directory that does not match search criteria"), GRID+1 },
- {"show-stored-names", SHOW_STORED_NAMES_OPTION, 0, 0,
- N_("When creating archive in verbose mode, list member names as stored in the archive"),
+ 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 },
+ 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 },
+ 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 },
+ N_("disable quoting for characters from STRING"), GRID+1 },
#undef GRID
-#define GRID 110
+#define GRID 110
{NULL, 0, NULL, 0,
N_("Compatibility options:"), GRID },
{NULL, 'o', 0, 0,
- N_("when creating, same as --old-archive. When extracting, same as --no-same-owner"), GRID+1 },
+ N_("when creating, same as --old-archive; when extracting, same as --no-same-owner"), GRID+1 },
#undef GRID
-#define GRID 120
+#define GRID 120
{NULL, 0, NULL, 0,
N_("Other options:"), GRID },
- {"restrict", RESTRICT_OPTION, 0, 0,
- N_("Restrict 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},
- {"license", LICENSE_OPTION, 0, 0, N_("Print license and exit"), -1},
- {"version", VERSION_OPTION, 0, 0, N_("Print program version"), -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},
+ N_("hang for SECS seconds (default 3600)"), 0},
#undef GRID
-
+
{0, 0, 0, 0, 0, 0}
};
{
"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 {
- 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;
+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 */
};
-static void
-show_default_settings (FILE *stream)
-{
- fprintf (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);
+#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)
+
#ifdef REMOTE_SHELL
- fprintf (stream, " --rsh-command=%s", REMOTE_SHELL);
-#endif
- fprintf (stream, "\n");
+# define DECL_SHOW_DEFAULT_SETTINGS(stream, printer) \
+{ \
+ printer (stream, \
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s", \
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT), \
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING, \
+ quoting_style_args[DEFAULT_QUOTING_STYLE], \
+ DEFAULT_RMT_COMMAND); \
+ printer (stream, " --rsh-command=%s", REMOTE_SHELL); \
+ printer (stream, "\n"); \
+}
+#else
+# define DECL_SHOW_DEFAULT_SETTINGS(stream, printer) \
+{ \
+ printer (stream, \
+ "--format=%s -f%s -b%d --quoting-style=%s --rmt-command=%s", \
+ archive_format_string (DEFAULT_ARCHIVE_FORMAT), \
+ DEFAULT_ARCHIVE, DEFAULT_BLOCKING, \
+ quoting_style_args[DEFAULT_QUOTING_STYLE], \
+ DEFAULT_RMT_COMMAND); \
+ printer (stream, "\n"); \
}
+#endif
+
+static void
+show_default_settings (FILE *fp)
+ DECL_SHOW_DEFAULT_SETTINGS(fp, fprintf)
+
+static void
+show_default_settings_fs (argp_fmtstream_t fs)
+ DECL_SHOW_DEFAULT_SETTINGS(fs, argp_fmtstream_printf)
static void
set_subcommand_option (enum subcommand subcommand)
use_compress_program_option = string;
}
+\f
+static RETSIGTYPE
+sigstat (int signo)
+{
+ compute_duration ();
+ print_total_stats ();
+#ifndef HAVE_SIGACTION
+ signal (signo, sigstat);
+#endif
+}
+
+static void
+stat_on_signal (int signo)
+{
+#ifdef HAVE_SIGACTION
+ struct sigaction act;
+ act.sa_handler = sigstat;
+ sigemptyset (&act.sa_mask);
+ act.sa_flags = 0;
+ sigaction (signo, &act, NULL);
+#else
+ signal (signo, sigstat);
+#endif
+}
void
-license ()
+set_stat_signal (const char *name)
+{
+ static struct sigtab
+ {
+ char *name;
+ int signo;
+ } sigtab[] = {
+ { "SIGUSR1", SIGUSR1 },
+ { "USR1", SIGUSR1 },
+ { "SIGUSR2", SIGUSR2 },
+ { "USR2", SIGUSR2 },
+ { "SIGHUP", SIGHUP },
+ { "HUP", SIGHUP },
+ { "SIGINT", SIGINT },
+ { "INT", SIGINT },
+ { "SIGQUIT", SIGQUIT },
+ { "QUIT", SIGQUIT }
+ };
+ struct sigtab *p;
+
+ for (p = sigtab; p < sigtab + sizeof (sigtab) / sizeof (sigtab[0]); p++)
+ if (strcmp (p->name, name) == 0)
+ {
+ stat_on_signal (p->signo);
+ return;
+ }
+ FATAL_ERROR ((0, 0, _("Unknown signal name: %s"), name));
+}
+
+\f
+struct textual_date
+{
+ struct textual_date *next;
+ struct timespec *ts;
+ const char *option;
+ const char *date;
+};
+
+static void
+get_date_or_file (struct tar_args *args, const char *option,
+ const char *str, struct timespec *ts)
+{
+ if (FILE_SYSTEM_PREFIX_LEN (str) != 0
+ || ISSLASH (*str)
+ || *str == '.')
+ {
+ struct stat st;
+ if (deref_stat (dereference_option, str, &st) != 0)
+ {
+ stat_error (str);
+ USAGE_ERROR ((0, 0, _("Date sample file not found")));
+ }
+ *ts = get_stat_mtime (&st);
+ }
+ else
+ {
+ if (! get_date (ts, str, NULL))
+ {
+ WARN ((0, 0, _("Substituting %s for unknown date format %s"),
+ tartime (*ts, false), quote (str)));
+ ts->tv_nsec = 0;
+ }
+ else
+ {
+ struct textual_date *p = xmalloc (sizeof (*p));
+ p->ts = ts;
+ p->option = option;
+ p->date = str;
+ p->next = args->textual_date;
+ args->textual_date = p;
+ }
+ }
+}
+
+static void
+report_textual_dates (struct tar_args *args)
{
- printf ("tar (%s) %s\n%s\n", PACKAGE_NAME, PACKAGE_VERSION,
- "Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, \n\
-2000, 2001, 2003, 2004, 2005 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);
+ struct textual_date *p;
+ for (p = args->textual_date; p; )
+ {
+ struct textual_date *next = p->next;
+ char const *treated_as = tartime (*p->ts, true);
+ if (strcmp (p->date, treated_as) != 0)
+ WARN ((0, 0, _("Option %s: Treating date `%s' as %s"),
+ p->option, p->date, treated_as));
+ free (p);
+ p = next;
+ }
}
+\f
static volatile int _argp_hang;
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
{
/* We have read a zero separator. The file possibly is
zero-separated */
- /* FATAL_ERROR((0, 0, N_("file name contains null character"))); */
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;
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)) != 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;
+
+ WARN ((0, 0, N_("%s: file name read contains nul character"),
+ quotearg_colon (filename)));
+
+ /* Prepare new stack contents */
+ size = obstack_object_size (&argv_stk);
+ p = obstack_finish (&argv_stk);
+ for (; size > 0; size--, p++)
+ if (*p)
+ obstack_1grow (&argv_stk, *p);
+ else
+ obstack_1grow (&argv_stk, '\n');
+ obstack_1grow (&argv_stk, 0);
+ count = 1;
+ /* Read rest of files using new filename terminator */
+ filename_terminator = 0;
+ break;
+ }
+
+ case file_list_skip:
+ break;
+ }
}
if (!is_stdin)
}
}
+\f
+static void
+tar_help (struct argp_state *state)
+{
+ argp_fmtstream_t fs;
+ state->flags |= ARGP_NO_EXIT;
+ argp_state_help (state, state->out_stream,
+ ARGP_HELP_STD_HELP & ~ARGP_HELP_BUG_ADDR);
+ /* FIXME: use struct uparams.rmargin (from argp-help.c) instead of 79 */
+ fs = argp_make_fmtstream (state->out_stream, 0, 79, 0);
+
+ argp_fmtstream_printf (fs, "\n%s\n\n",
+ _("Valid arguments for --quoting-style options are:"));
+ tar_list_quoting_styles (fs, " ");
+
+ argp_fmtstream_puts (fs, _("\n*This* tar defaults to:\n"));
+ show_default_settings_fs (fs);
+ argp_fmtstream_putc (fs, '\n');
+ argp_fmtstream_printf (fs, _("Report bugs to %s.\n"),
+ argp_program_bug_address);
+ argp_fmtstream_free (fs);
+}
\f
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
case ARGP_KEY_ARG:
/* File name or non-parsed option, because of ARGP_IN_ORDER */
- name_add (arg);
- args->input_files++;
+ name_add_name (arg, MAKE_INCL_OPTIONS (args));
+ args->input_files = true;
break;
case 'A':
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;
addname (arg, 0);
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;
multi_volume_option = true;
break;
+ case MTIME_OPTION:
+ get_date_or_file (args, "--mtime", arg, &mtime_option);
+ set_mtime_option = true;
+ break;
+
case 'n':
seekable_archive = true;
break;
case 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;
case 'o':
/* 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++;
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 ANCHORED_OPTION:
- args->exclude_options |= EXCLUDE_ANCHORED;
+ args->matching_flags |= EXCLUDE_ANCHORED;
break;
case ATIME_PRESERVE_OPTION:
break;
case CHECKPOINT_OPTION:
- checkpoint_option = true;
+ if (arg)
+ {
+ char *p;
+
+ if (*arg == '.')
+ {
+ checkpoint_style = checkpoint_dot;
+ arg++;
+ }
+ checkpoint_option = strtoul (arg, &p, 0);
+ if (*p)
+ FATAL_ERROR ((0, 0,
+ _("--checkpoint value is not an integer")));
+ }
+ else
+ checkpoint_option = 10;
break;
case BACKUP_OPTION:
case NO_DELAY_DIRECTORY_RESTORE_OPTION:
delay_directory_restore_option = false;
break;
-
+
case DELETE_OPTION:
set_subcommand_option (DELETE_SUBCOMMAND);
break;
case EXCLUDE_OPTION:
- add_exclude (excluded, arg, args->exclude_options | recursion_option);
+ add_exclude (excluded, arg, MAKE_EXCL_OPTIONS (args));
break;
case EXCLUDE_CACHES_OPTION:
break;
case IGNORE_CASE_OPTION:
- args->exclude_options |= FNM_CASEFOLD;
+ args->matching_flags |= FNM_CASEFOLD;
break;
case IGNORE_COMMAND_ERROR_OPTION:
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:
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:
}
break;
+ case OVERWRITE_DIR_OPTION:
+ old_files_option = DEFAULT_OLD_FILES;
+ break;
+
case OVERWRITE_OPTION:
old_files_option = OVERWRITE_OLD_FILES;
break;
case QUOTING_STYLE_OPTION:
tar_set_quoting_style (arg);
break;
-
+
case PAX_OPTION:
- args->pax_option++;
+ args->pax_option = true;
xheader_set_option (arg);
break;
break;
case PRESERVE_OPTION:
+ /* FIXME: What it is good for? */
same_permissions_option = true;
same_order_option = true;
break;
case RESTRICT_OPTION:
restrict_option = true;
break;
-
+
case RMT_COMMAND_OPTION:
rmt_command = arg;
break;
case SHOW_DEFAULTS_OPTION:
show_default_settings (stdout);
- exit(0);
+ close_stdout ();
+ exit (0);
case STRIP_COMPONENTS_OPTION:
{
show_omitted_dirs_option = true;
break;
- case SHOW_STORED_NAMES_OPTION:
- show_stored_names_option = true;
+ case SHOW_TRANSFORMED_NAMES_OPTION:
+ show_transformed_names_option = true;
break;
case SUFFIX_OPTION:
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:
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:
#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%s\n\n",
- _("Valid arguments for --quoting-style options are:"));
- tar_list_quoting_styles (state->out_stream, " ");
-
- 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);
+ tar_help (state);
+ close_stdout ();
exit (0);
case USAGE_OPTION:
- argp_state_help (state, state->out_stream,
- ARGP_HELP_USAGE | ARGP_HELP_EXIT_OK);
- break;
+ argp_state_help (state, state->out_stream, ARGP_HELP_USAGE);
+ close_stdout ();
+ exit (0);
case VERSION_OPTION:
- fprintf (state->out_stream, "%s\n", argp_program_version);
+ version_etc (state->out_stream, "tar", PACKAGE_NAME, VERSION,
+ "John Gilmore", "Jay Fenlason", (char *) NULL);
+ close_stdout ();
exit (0);
- case LICENSE_OPTION:
- license ();
- break;
-
case HANG_OPTION:
_argp_hang = atoi (arg ? arg : "3600");
while (_argp_hang-- > 0)
usage (int status)
{
argp_help (&argp, stderr, ARGP_HELP_SEE, (char*) program_name);
+ close_stdout ();
exit (status);
}
struct tar_args args;
/* 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;
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;
if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER|ARGP_NO_HELP,
&index, &args))
- exit (1);
+ exit (TAREXIT_FAILURE);
/* Special handling for 'o' option:
/* Handle operands after any "--" argument. */
for (; index < argc; index++)
{
- name_add (argv[index]);
- args.input_files++;
+ name_add_name (argv[index], 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)
| FORMAT_MASK (GNU_FORMAT)
| FORMAT_MASK (POSIX_FORMAT));
- if (multi_volume_option
- && archive_format == POSIX_FORMAT
- && subcommand_option == CREATE_SUBCOMMAND
- && !tape_length_option)
- USAGE_ERROR ((0, 0,
- _("creating multi-volume archives in posix format requires using --tape-length (-L) option")));
-
if (occurrence_option)
{
if (!args.input_files)
if (multi_volume_option)
USAGE_ERROR ((0, 0, _("Cannot use multi-volume compressed archives")));
if (subcommand_option == UPDATE_SUBCOMMAND
- || subcommand_option == APPEND_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")));
{
/* --test-label is silent if the user has specified the label name to
compare against. */
- if (args.input_files == 0)
+ if (!args.input_files)
verbose_option++;
}
else if (utc_option)
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")));
break;
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));
- }
+ if (verbose_option)
+ report_textual_dates (&args);
}
\f
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+ exit_failure = TAREXIT_FAILURE;
exit_status = TAREXIT_SUCCESS;
filename_terminator = '\n';
set_quoting_style (0, DEFAULT_QUOTING_STYLE);
/* Make sure we have first three descriptors available */
stdopen ();
+ /* Close all inherited open descriptors, except for the first three */
+ closeopen ();
+
/* Pre-allocate a few structures. */
allocated_archive_names = 10;
signal (SIGCHLD, SIG_DFL);
#endif
- init_names ();
-
/* Decode options. */
decode_options (argc, argv);
case CREATE_SUBCOMMAND:
create_archive ();
- if (totals_option)
- print_total_written ();
break;
case EXTRACT_SUBCOMMAND:
break;
}
+ 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)
+
+ if (stdlis == stdout)
+ close_stdout ();
+ else if (ferror (stderr) || fclose (stderr) != 0)
exit_status = TAREXIT_FAILURE;
+
return exit_status;
}
projects / chaz / tar / blobdiff