+static void name_add_option (int option, const char *arg);
+static void name_add_dir (const char *name);
+static void name_add_file (const char *name);
+\f
+enum
+ {
+ EXCLUDE_BACKUPS_OPTION = 256,
+ EXCLUDE_CACHES_OPTION,
+ EXCLUDE_CACHES_UNDER_OPTION,
+ EXCLUDE_CACHES_ALL_OPTION,
+ EXCLUDE_OPTION,
+ EXCLUDE_IGNORE_OPTION,
+ EXCLUDE_IGNORE_RECURSIVE_OPTION,
+ EXCLUDE_TAG_OPTION,
+ EXCLUDE_TAG_UNDER_OPTION,
+ EXCLUDE_TAG_ALL_OPTION,
+ EXCLUDE_VCS_OPTION,
+ EXCLUDE_VCS_IGNORES_OPTION,
+ IGNORE_CASE_OPTION,
+ NO_IGNORE_CASE_OPTION,
+ ANCHORED_OPTION,
+ NO_ANCHORED_OPTION,
+ RECURSION_OPTION,
+ NO_RECURSION_OPTION,
+ UNQUOTE_OPTION,
+ NO_UNQUOTE_OPTION,
+ NO_VERBATIM_FILES_FROM_OPTION,
+ NO_WILDCARDS_MATCH_SLASH_OPTION,
+ NO_WILDCARDS_OPTION,
+ NULL_OPTION,
+ NO_NULL_OPTION,
+ VERBATIM_FILES_FROM_OPTION,
+ WILDCARDS_MATCH_SLASH_OPTION,
+ WILDCARDS_OPTION
+ };
+
+static struct argp_option names_options[] = {
+#define GRID 100
+ {NULL, 0, NULL, 0,
+ N_("Local file name selection:"), GRID },
+
+ {"add-file", ARGP_KEY_ARG, N_("FILE"), 0,
+ N_("add given FILE to the archive (useful if its name starts with a dash)"), GRID+1 },
+ {"directory", 'C', N_("DIR"), 0,
+ N_("change to directory DIR"), GRID+1 },
+ {"files-from", 'T', N_("FILE"), 0,
+ N_("get names to extract or create from FILE"), GRID+1 },
+ {"null", NULL_OPTION, 0, 0,
+ N_("-T reads null-terminated names; implies --verbatim-files-from"),
+ 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 input file or member names (default)"), GRID+1 },
+ {"no-unquote", NO_UNQUOTE_OPTION, 0, 0,
+ N_("do not unquote input file or member names"), GRID+1 },
+ {"verbatim-files-from", VERBATIM_FILES_FROM_OPTION, 0, 0,
+ N_("-T reads file names verbatim (no option handling)"), GRID+1 },
+ {"no-verbatim-files-from", NO_VERBATIM_FILES_FROM_OPTION, 0, 0,
+ N_("-T treats file names starting with dash as options (default)"),
+ GRID+1 },
+ {"exclude", EXCLUDE_OPTION, N_("PATTERN"), 0,
+ N_("exclude files, given as a PATTERN"), GRID+1 },
+ {"exclude-from", 'X', N_("FILE"), 0,
+ N_("exclude patterns listed in FILE"), GRID+1 },
+ {"exclude-caches", EXCLUDE_CACHES_OPTION, 0, 0,
+ N_("exclude contents of directories containing CACHEDIR.TAG, "
+ "except for the tag file itself"), GRID+1 },
+ {"exclude-caches-under", EXCLUDE_CACHES_UNDER_OPTION, 0, 0,
+ N_("exclude everything under directories containing CACHEDIR.TAG"),
+ GRID+1 },
+ {"exclude-caches-all", EXCLUDE_CACHES_ALL_OPTION, 0, 0,
+ N_("exclude directories containing CACHEDIR.TAG"), GRID+1 },
+ {"exclude-tag", EXCLUDE_TAG_OPTION, N_("FILE"), 0,
+ N_("exclude contents of directories containing FILE, except"
+ " for FILE itself"), GRID+1 },
+ {"exclude-ignore", EXCLUDE_IGNORE_OPTION, N_("FILE"), 0,
+ N_("read exclude patterns for each directory from FILE, if it exists"),
+ GRID+1 },
+ {"exclude-ignore-recursive", EXCLUDE_IGNORE_RECURSIVE_OPTION, N_("FILE"), 0,
+ N_("read exclude patterns for each directory and its subdirectories "
+ "from FILE, if it exists"), 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-vcs-ignores", EXCLUDE_VCS_IGNORES_OPTION, NULL, 0,
+ N_("read exclude patterns from the VCS ignore files"), GRID+1 },
+ {"exclude-backups", EXCLUDE_BACKUPS_OPTION, NULL, 0,
+ N_("exclude backup and lock files"), GRID+1 },
+ {"recursion", RECURSION_OPTION, 0, 0,
+ N_("recurse into directories (default)"), GRID+1 },
+ {"no-recursion", NO_RECURSION_OPTION, 0, 0,
+ N_("avoid descending automatically in directories"), GRID+1 },
+#undef GRID
+
+#define GRID 120
+ {NULL, 0, NULL, 0,
+ N_("File name matching options (affect both exclude and include patterns):"),
+ GRID },
+ {"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 },
+ {"ignore-case", IGNORE_CASE_OPTION, 0, 0,
+ N_("ignore case"), GRID+1 },
+ {"no-ignore-case", NO_IGNORE_CASE_OPTION, 0, 0,
+ N_("case sensitive matching (default)"), GRID+1 },
+ {"wildcards", WILDCARDS_OPTION, 0, 0,
+ N_("use wildcards (default for exclusion)"), GRID+1 },
+ {"no-wildcards", NO_WILDCARDS_OPTION, 0, 0,
+ N_("verbatim string matching"), GRID+1 },
+ {"wildcards-match-slash", WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
+ N_("wildcards match '/' (default for exclusion)"), GRID+1 },
+ {"no-wildcards-match-slash", NO_WILDCARDS_MATCH_SLASH_OPTION, 0, 0,
+ N_("wildcards do not match '/'"), GRID+1 },
+#undef GRID
+
+ {NULL}
+};
+
+static bool
+is_file_selection_option (int key)
+{
+ struct argp_option *p;
+
+ for (p = names_options;
+ !(p->name == NULL && p->key == 0 && p->doc == NULL); p++)
+ if (p->key == key)
+ return true;
+ return false;
+}
+\f
+/* Either NL or NUL, as decided by the --null option. */
+static char filename_terminator = '\n';
+/* Treat file names read from -T input verbatim */
+static bool verbatim_files_from_option;
+
+static error_t
+names_parse_opt (int key, char *arg, struct argp_state *state)
+{
+ switch (key)
+ {
+ case 'C':
+ name_add_dir (arg);
+ break;
+
+ case 'T':
+ name_add_file (arg);
+ /* Indicate we've been given -T option. This is for backward
+ compatibility only, so that `tar cfT archive /dev/null will
+ succeed */
+ files_from_option = true;
+ break;
+
+ default:
+ if (is_file_selection_option (key))
+ name_add_option (key, arg);
+ else
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+\f
+/* Wildcard matching settings */
+enum wildcards
+ {
+ default_wildcards, /* For exclusion == enable_wildcards,
+ for inclusion == disable_wildcards */
+ disable_wildcards,
+ enable_wildcards
+ };
+
+static enum wildcards wildcards = default_wildcards;
+ /* Wildcard settings (--wildcards/--no-wildcards) */
+static int matching_flags = 0;
+ /* exclude_fnmatch options */
+static int include_anchored = EXCLUDE_ANCHORED;
+ /* Pattern anchoring options used for file inclusion */
+
+#define EXCLUDE_OPTIONS \
+ (((wildcards != disable_wildcards) ? EXCLUDE_WILDCARDS : 0) \
+ | matching_flags \
+ | recursion_option)
+
+#define INCLUDE_OPTIONS \
+ (((wildcards == enable_wildcards) ? EXCLUDE_WILDCARDS : 0) \
+ | include_anchored \
+ | matching_flags \
+ | recursion_option)
+\f
+static char const * const vcs_file_table[] = {
+ /* CVS: */
+ "CVS",
+ ".cvsignore",
+ /* RCS: */
+ "RCS",
+ /* SCCS: */
+ "SCCS",
+ /* SVN: */
+ ".svn",
+ /* git: */
+ ".git",
+ ".gitignore",
+ ".gitattributes",
+ ".gitmodules",
+ /* 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
+};