X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Ftar.c;h=79475048e7e89f4d514b2ae5b87664bb61edb869;hb=HEAD;hp=1f7289a4ef373b69939b633f4ccfec86f2e459a0;hpb=df7b55a8f6354e30e8da62eec7f706df033d0c81;p=chaz%2Ftar diff --git a/src/tar.c b/src/tar.c index 1f7289a..7947504 100644 --- a/src/tar.c +++ b/src/tar.c @@ -1,8 +1,7 @@ /* A tar (tape archiver) program. - Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, - 2001, 2003, 2004, 2005, 2006, 2007, 2012 - Free Software Foundation, Inc. + Copyright 1988, 1992-1997, 1999-2001, 2003-2007, 2012-2015 Free + Software Foundation, Inc. Written by John Gilmore, starting 1985-08-25. @@ -17,8 +16,7 @@ Public License for more details. You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + with this program. If not, see . */ #include @@ -53,6 +51,7 @@ #include #include #include +#include /* Local declarations. */ @@ -81,11 +80,11 @@ static size_t allocated_archive_names; static const char *stdin_used_by; /* Doesn't return if stdin already requested. */ -static void +void request_stdin (const char *option) { if (stdin_used_by) - USAGE_ERROR ((0, 0, _("Options '-%s' and '-%s' both want standard input"), + USAGE_ERROR ((0, 0, _("Options '%s' and '%s' both want standard input"), stdin_used_by, option)); stdin_used_by = option; @@ -168,6 +167,14 @@ set_archive_format (char const *name) archive_format = p->fmt; } +static void +set_xattr_option (int value) +{ + if (value == 1) + set_archive_format ("posix"); + xattrs_option = value; +} + const char * archive_format_string (enum archive_format fmt) { @@ -277,10 +284,13 @@ enum 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, FORCE_LOCAL_OPTION, FULL_TIME_OPTION, GROUP_OPTION, @@ -288,6 +298,7 @@ enum IGNORE_COMMAND_ERROR_OPTION, IGNORE_FAILED_READ_OPTION, INDEX_FILE_OPTION, + KEEP_DIRECTORY_SYMLINK_OPTION, KEEP_NEWER_FILES_OPTION, LEVEL_OPTION, LZIP_OPTION, @@ -312,6 +323,7 @@ enum NO_SEEK_OPTION, NO_SELINUX_CONTEXT_OPTION, NO_UNQUOTE_OPTION, + NO_VERBATIM_FILES_FROM_OPTION, NO_WILDCARDS_MATCH_SLASH_OPTION, NO_WILDCARDS_OPTION, NO_XATTR_OPTION, @@ -320,6 +332,7 @@ enum OCCURRENCE_OPTION, OLD_ARCHIVE_OPTION, ONE_FILE_SYSTEM_OPTION, + ONE_TOP_LEVEL_OPTION, OVERWRITE_DIR_OPTION, OVERWRITE_OPTION, OWNER_OPTION, @@ -339,8 +352,10 @@ enum SELINUX_CONTEXT_OPTION, SHOW_DEFAULTS_OPTION, SHOW_OMITTED_DIRS_OPTION, + SHOW_SNAPSHOT_FIELD_RANGES_OPTION, SHOW_TRANSFORMED_NAMES_OPTION, SKIP_OLD_FILES_OPTION, + SORT_OPTION, SPARSE_VERSION_OPTION, STRIP_COMPONENTS_OPTION, SUFFIX_OPTION, @@ -350,6 +365,7 @@ enum TRANSFORM_OPTION, UNQUOTE_OPTION, UTC_OPTION, + VERBATIM_FILES_FROM_OPTION, VOLNO_FILE_OPTION, WARNING_OPTION, WILDCARDS_MATCH_SLASH_OPTION, @@ -486,6 +502,12 @@ static struct argp_option options[] = { {"overwrite-dir", OVERWRITE_DIR_OPTION, 0, 0, N_("overwrite metadata of existing directories when extracting (default)"), GRID+1 }, + {"keep-directory-symlink", KEEP_DIRECTORY_SYMLINK_OPTION, 0, 0, + N_("preserve existing symlinks to directories when extracting"), + GRID+1 }, + {"one-top-level", ONE_TOP_LEVEL_OPTION, N_("DIR"), OPTION_ARG_OPTIONAL, + N_("create a subdirectory to avoid having loose files extracted"), + GRID+1 }, #undef GRID #define GRID 40 @@ -534,7 +556,8 @@ static struct argp_option options[] = { {"no-same-permissions", NO_SAME_PERMISSIONS_OPTION, 0, 0, N_("apply the user's umask when extracting permissions from the archive (default for ordinary users)"), GRID+1 }, {"preserve-order", 's', 0, 0, - N_("sort names to extract to match archive"), GRID+1 }, + N_("member arguments are listed in the same order as the " + "files in the archive"), GRID+1 }, {"same-order", 0, 0, OPTION_ALIAS, NULL, GRID+1 }, {"preserve", PRESERVE_OPTION, 0, 0, N_("same as both -p and -s"), GRID+1 }, @@ -543,6 +566,13 @@ static struct argp_option options[] = { " 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 }, + {"sort", SORT_OPTION, N_("ORDER"), 0, +#if D_INO_IN_DIRENT + N_("directory sorting order: none (default), name or inode" +#else + N_("directory sorting order: none (default) or name" +#endif + ), GRID+1 }, #undef GRID #define GRID 55 @@ -685,13 +715,19 @@ static struct argp_option options[] = { {"files-from", 'T', N_("FILE"), 0, N_("get names to extract or create from FILE"), GRID+1 }, {"null", NULL_OPTION, 0, 0, - N_("-T reads null-terminated names, disable -C"), GRID+1 }, + 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 filenames read with -T (default)"), GRID+1 }, + N_("unquote input file or member names (default)"), GRID+1 }, {"no-unquote", NO_UNQUOTE_OPTION, 0, 0, - N_("do not unquote filenames read with -T"), GRID+1 }, + 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, @@ -707,12 +743,20 @@ static struct argp_option options[] = { {"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 }, {"no-recursion", NO_RECURSION_OPTION, 0, 0, @@ -728,7 +772,7 @@ static struct argp_option options[] = { {"hard-dereference", HARD_DEREFERENCE_OPTION, 0, 0, N_("follow hard links; archive and dump the files they refer to"), GRID+1 }, {"starting-file", 'K', N_("MEMBER-NAME"), 0, - N_("begin at member MEMBER-NAME in the archive"), GRID+1 }, + N_("begin at member MEMBER-NAME when reading the archive"), GRID+1 }, {"newer", 'N', N_("DATE-OR-FILE"), 0, N_("only store files newer than DATE-OR-FILE"), GRID+1 }, {"after-date", 0, 0, OPTION_ALIAS, NULL, GRID+1 }, @@ -807,6 +851,8 @@ static struct argp_option options[] = { {"confirmation", 0, 0, OPTION_ALIAS, NULL, GRID+1 }, {"show-defaults", SHOW_DEFAULTS_OPTION, 0, 0, N_("show tar defaults"), GRID+1 }, + {"show-snapshot-field-ranges", SHOW_SNAPSHOT_FIELD_RANGES_OPTION, 0, 0, + N_("show valid ranges for snapshot-file fields"), GRID+1 }, {"show-omitted-dirs", SHOW_OMITTED_DIRS_OPTION, 0, 0, N_("when listing or extracting, list each directory that does not match search criteria"), GRID+1 }, {"show-transformed-names", SHOW_TRANSFORMED_NAMES_OPTION, 0, 0, @@ -969,7 +1015,7 @@ 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' or '--test-label' option"))); + _("You may not specify more than one '-Acdtrux', '--delete' or '--test-label' option"))); subcommand_option = subcommand; } @@ -984,7 +1030,7 @@ set_use_compress_program_option (const char *string) use_compress_program_option = string; } -static RETSIGTYPE +static void sigstat (int signo) { compute_duration (); @@ -1108,84 +1154,9 @@ report_textual_dates (struct tar_args *args) } } - - -/* Either NL or NUL, as decided by the --null option. */ -static char filename_terminator; - -enum read_file_list_state /* Result of reading file name from the list file */ - { - file_list_success, /* OK, name read successfully */ - file_list_end, /* End of list file */ - file_list_zero, /* Zero separator encountered where it should not */ - file_list_skip /* Empty (zero-length) entry encountered, skip it */ - }; - -/* Read from FP a sequence of characters up to TERM and put them - into STK. - */ -static enum read_file_list_state -read_name_from_file (FILE *fp, struct obstack *stk, int term) -{ - int c; - size_t counter = 0; - - for (c = getc (fp); c != EOF && c != term; c = getc (fp)) - { - if (c == 0) - { - /* 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; -} - static bool files_from_option; /* When set, tar will not refuse to create empty archives */ -static struct obstack argv_stk; /* Storage for additional command line options - read using -T option */ - -/* Prevent recursive inclusion of the same file */ -struct file_id_list -{ - struct file_id_list *next; - ino_t ino; - dev_t dev; -}; - -static struct file_id_list *file_id_list; - -static void -add_file_id (const char *filename) -{ - struct file_id_list *p; - struct stat st; - - if (stat (filename, &st)) - stat_fatal (filename); - for (p = file_id_list; p; p = p->next) - if (p->ino == st.st_ino && p->dev == st.st_dev) - { - FATAL_ERROR ((0, 0, _("%s: file list already read"), - quotearg_colon (filename))); - } - p = xmalloc (sizeof *p); - p->next = file_id_list; - p->ino = st.st_ino; - p->dev = st.st_dev; - file_id_list = p; -} /* Default density numbers for [0-9][lmh] device specifications */ @@ -1203,101 +1174,6 @@ add_file_id (const char *filename) # endif #endif -static void -update_argv (const char *filename, struct argp_state *state) -{ - FILE *fp; - size_t count = 0, i; - char *start, *p; - char **new_argv; - size_t new_argc; - bool is_stdin = false; - enum read_file_list_state read_state; - int term = filename_terminator; - - if (!strcmp (filename, "-")) - { - is_stdin = true; - request_stdin ("-T"); - fp = stdin; - } - else - { - add_file_id (filename); - if ((fp = fopen (filename, "r")) == NULL) - open_fatal (filename); - } - - while ((read_state = read_name_from_file (fp, &argv_stk, term)) - != file_list_end) - { - switch (read_state) - { - 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; - - 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) - fclose (fp); - - if (count == 0) - return; - - start = obstack_finish (&argv_stk); - - if (term == 0) - for (p = start; *p; p += strlen (p) + 1) - if (p[0] == '-') - count++; - - new_argc = state->argc + count; - new_argv = xmalloc (sizeof (state->argv[0]) * (new_argc + 1)); - memcpy (new_argv, state->argv, sizeof (state->argv[0]) * (state->argc + 1)); - state->argv = new_argv; - memmove (&state->argv[state->next + count], &state->argv[state->next], - (state->argc - state->next + 1) * sizeof (state->argv[0])); - - state->argc = new_argc; - - for (i = state->next, p = start; *p; p += strlen (p) + 1, i++) - { - if (term == 0 && p[0] == '-') - state->argv[i++] = (char *) "--add-file"; - state->argv[i] = p; - } -} - static char * tar_help_filter (int key, const char *text, void *input) @@ -1331,6 +1207,9 @@ tar_help_filter (int key, const char *text, void *input) s = xasprintf (_("filter the archive through %s"), LZMA_PROGRAM); break; + case LZOP_OPTION: + s = xasprintf (_("filter the archive through %s"), LZOP_PROGRAM); + case 'J': s = xasprintf (_("filter the archive through %s"), XZ_PROGRAM); break; @@ -1464,6 +1343,28 @@ parse_owner_group (char *arg, uintmax_t field_max, char const **name_option) #define TAR_SIZE_SUFFIXES "bBcGgkKMmPTtw" +/* Either NL or NUL, as decided by the --null option. */ +static char filename_terminator; + +static char const *const sort_mode_arg[] = { + "none", + "name", +#if D_INO_IN_DIRENT + "inode", +#endif + NULL +}; + +static int sort_mode_flag[] = { + SAVEDIR_SORT_NONE, + SAVEDIR_SORT_NAME, +#if D_INO_IN_DIRENT + SAVEDIR_SORT_INODE +#endif +}; + +ARGMATCH_VERIFY (sort_mode_arg, sort_mode_flag); + static error_t parse_opt (int key, char *arg, struct argp_state *state) { @@ -1599,6 +1500,11 @@ parse_opt (int key, char *arg, struct argp_state *state) one_file_system_option = true; break; + case ONE_TOP_LEVEL_OPTION: + one_top_level_option = true; + one_top_level_dir = arg; + break; + case 'l': check_links_option = 1; break; @@ -1747,7 +1653,8 @@ parse_opt (int key, char *arg, struct argp_state *state) break; case 'T': - update_argv (arg, state); + name_add_file (arg, filename_terminator, verbatim_files_from_option, + MAKE_INCL_OPTIONS (args)); /* Indicate we've been given -T option. This is for backward compatibility only, so that `tar cfT archive /dev/null will succeed */ @@ -1893,6 +1800,14 @@ parse_opt (int key, char *arg, struct argp_state *state) cachedir_file_p); break; + case EXCLUDE_IGNORE_OPTION: + excfile_add (arg, EXCL_NON_RECURSIVE); + break; + + case EXCLUDE_IGNORE_RECURSIVE_OPTION: + excfile_add (arg, EXCL_RECURSIVE); + break; + case EXCLUDE_TAG_OPTION: add_exclusion_tag (arg, exclusion_tag_contents, NULL); break; @@ -1909,6 +1824,10 @@ parse_opt (int key, char *arg, struct argp_state *state) add_exclude_array (vcs_file_table, 0); break; + case EXCLUDE_VCS_IGNORES_OPTION: + exclude_vcs_ignores (); + break; + case FORCE_LOCAL_OPTION: force_local_option = true; break; @@ -1933,6 +1852,10 @@ parse_opt (int key, char *arg, struct argp_state *state) ignore_failed_read_option = true; break; + case KEEP_DIRECTORY_SYMLINK_OPTION: + keep_directory_symlink_option = true; + break; + case KEEP_NEWER_FILES_OPTION: old_files_option = KEEP_NEWER_FILES; break; @@ -1992,10 +1915,12 @@ parse_opt (int key, char *arg, struct argp_state *state) case NULL_OPTION: filename_terminator = '\0'; + verbatim_files_from_option = true; break; case NO_NULL_OPTION: filename_terminator = '\n'; + verbatim_files_from_option = false; break; case NUMERIC_OWNER_OPTION: @@ -2118,6 +2043,11 @@ parse_opt (int key, char *arg, struct argp_state *state) exit (0); } + case SHOW_SNAPSHOT_FIELD_RANGES_OPTION: + show_snapshot_field_ranges (); + close_stdout (); + exit (0); + case STRIP_COMPONENTS_OPTION: { uintmax_t u; @@ -2137,6 +2067,11 @@ parse_opt (int key, char *arg, struct argp_state *state) show_transformed_names_option = true; break; + case SORT_OPTION: + savedir_sort_order = XARGMATCH ("--sort", arg, + sort_mode_arg, sort_mode_flag); + break; + case SUFFIX_OPTION: backup_option = true; args->backup_suffix_string = arg; @@ -2206,16 +2141,16 @@ parse_opt (int key, char *arg, struct argp_state *state) break; case XATTR_OPTION: - set_archive_format ("posix"); - xattrs_option = 1; + set_xattr_option (1); break; case NO_XATTR_OPTION: - xattrs_option = -1; + set_xattr_option (-1); break; case XATTR_INCLUDE: case XATTR_EXCLUDE: + set_xattr_option (1); xattrs_mask_add (arg, (key == XATTR_INCLUDE)); break; @@ -2235,6 +2170,14 @@ parse_opt (int key, char *arg, struct argp_state *state) unquote_option = false; break; + case VERBATIM_FILES_FROM_OPTION: + verbatim_files_from_option = true; + break; + + case NO_VERBATIM_FILES_FROM_OPTION: + verbatim_files_from_option = false; + break; + case WARNING_OPTION: set_warning_option (arg); break; @@ -2348,12 +2291,45 @@ static const char *tar_authors[] = { "Jay Fenlason", NULL }; + +/* Subcommand classes */ +#define SUBCL_READ 0x01 /* subcommand reads from the archive */ +#define SUBCL_WRITE 0x02 /* subcommand writes to the archive */ +#define SUBCL_UPDATE 0x04 /* subcommand updates existing archive */ +#define SUBCL_TEST 0x08 /* subcommand tests archive header or meta-info */ +#define SUBCL_OCCUR 0x10 /* subcommand allows the use of the occurrence + option */ + +static int subcommand_class[] = { + /* UNKNOWN_SUBCOMMAND */ 0, + /* APPEND_SUBCOMMAND */ SUBCL_WRITE|SUBCL_UPDATE, + /* CAT_SUBCOMMAND */ SUBCL_WRITE, + /* CREATE_SUBCOMMAND */ SUBCL_WRITE, + /* DELETE_SUBCOMMAND */ SUBCL_WRITE|SUBCL_UPDATE|SUBCL_OCCUR, + /* DIFF_SUBCOMMAND */ SUBCL_READ|SUBCL_OCCUR, + /* EXTRACT_SUBCOMMAND */ SUBCL_READ|SUBCL_OCCUR, + /* LIST_SUBCOMMAND */ SUBCL_READ|SUBCL_OCCUR, + /* UPDATE_SUBCOMMAND */ SUBCL_WRITE|SUBCL_UPDATE, + /* TEST_LABEL_SUBCOMMAND */ SUBCL_TEST +}; + +/* Return t if the subcommand_option is in class(es) f */ +#define IS_SUBCOMMAND_CLASS(f) (subcommand_class[subcommand_option] & (f)) + +static struct tar_args args; + +static void +option_conflict_error (const char *a, const char *b) +{ + /* TRANSLATORS: Both %s in this statement are replaced with + option names. */ + USAGE_ERROR ((0, 0, _("'%s' cannot be used with '%s'"), a, b)); +} static void decode_options (int argc, char **argv) { int idx; - struct tar_args args; argp_version_setup ("tar", tar_authors); @@ -2374,6 +2350,7 @@ decode_options (int argc, char **argv) blocking_factor = DEFAULT_BLOCKING; record_size = DEFAULT_BLOCKING * BLOCKSIZE; excluded = new_exclude (); + newer_mtime_option.tv_sec = TYPE_MINIMUM (time_t); newer_mtime_option.tv_nsec = -1; recursion_option = FNM_LEADING_DIR; @@ -2381,6 +2358,8 @@ decode_options (int argc, char **argv) tar_sparse_major = 1; tar_sparse_minor = 0; + savedir_sort_order = SAVEDIR_SORT_NONE; + owner_option = -1; owner_name_option = NULL; group_option = -1; group_name_option = NULL; @@ -2454,7 +2433,6 @@ decode_options (int argc, char **argv) if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER, &idx, &args)) exit (TAREXIT_FAILURE); - /* Special handling for 'o' option: GNU tar used to say "output old format". @@ -2512,12 +2490,9 @@ decode_options (int argc, char **argv) if (!args.input_files) USAGE_ERROR ((0, 0, _("--occurrence is meaningless without a file list"))); - if (subcommand_option != DELETE_SUBCOMMAND - && subcommand_option != DIFF_SUBCOMMAND - && subcommand_option != EXTRACT_SUBCOMMAND - && subcommand_option != LIST_SUBCOMMAND) - USAGE_ERROR ((0, 0, - _("--occurrence cannot be used in the requested operation mode"))); + if (!IS_SUBCOMMAND_CLASS (SUBCL_OCCUR)) + option_conflict_error ("--occurrence", + subcommand_string (subcommand_option)); } if (archive_names == 0) @@ -2539,8 +2514,8 @@ decode_options (int argc, char **argv) if (listed_incremental_option && NEWER_OPTION_INITIALIZED (newer_mtime_option)) - USAGE_ERROR ((0, 0, - _("Cannot combine --listed-incremental with --newer"))); + option_conflict_error ("--listed-incremental", "--newer"); + if (incremental_level != -1 && !listed_incremental_option) WARN ((0, 0, _("--level is meaningless without --listed-incremental"))); @@ -2576,15 +2551,16 @@ decode_options (int argc, char **argv) USAGE_ERROR ((0, 0, _("Cannot verify multi-volume archives"))); if (use_compress_program_option) USAGE_ERROR ((0, 0, _("Cannot verify compressed archives"))); + if (!IS_SUBCOMMAND_CLASS (SUBCL_WRITE)) + option_conflict_error ("--verify", + subcommand_string (subcommand_option)); } if (use_compress_program_option) { 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 == DELETE_SUBCOMMAND) + if (IS_SUBCOMMAND_CLASS (SUBCL_UPDATE)) USAGE_ERROR ((0, 0, _("Cannot update compressed archives"))); if (subcommand_option == CAT_SUBCOMMAND) USAGE_ERROR ((0, 0, _("Cannot concatenate compressed archives"))); @@ -2596,26 +2572,56 @@ decode_options (int argc, char **argv) --gray */ if (args.pax_option && archive_format != POSIX_FORMAT - && !READ_LIKE_SUBCOMMAND) + && !IS_SUBCOMMAND_CLASS (SUBCL_READ)) USAGE_ERROR ((0, 0, _("--pax-option can be used only on POSIX archives"))); /* star creates non-POSIX typed archives with xattr support, so allow the - extra headers whenn reading */ + extra headers when reading */ if ((acls_option > 0) && archive_format != POSIX_FORMAT - && !READ_LIKE_SUBCOMMAND) + && !IS_SUBCOMMAND_CLASS (SUBCL_READ)) USAGE_ERROR ((0, 0, _("--acls can be used only on POSIX archives"))); if ((selinux_context_option > 0) && archive_format != POSIX_FORMAT - && !READ_LIKE_SUBCOMMAND) + && !IS_SUBCOMMAND_CLASS (SUBCL_READ)) USAGE_ERROR ((0, 0, _("--selinux can be used only on POSIX archives"))); if ((xattrs_option > 0) && archive_format != POSIX_FORMAT - && !READ_LIKE_SUBCOMMAND) + && !IS_SUBCOMMAND_CLASS (SUBCL_READ)) USAGE_ERROR ((0, 0, _("--xattrs can be used only on POSIX archives"))); + if (starting_file_option && !IS_SUBCOMMAND_CLASS (SUBCL_READ)) + option_conflict_error ("--starting-file", + subcommand_string (subcommand_option)); + + if (same_order_option && !IS_SUBCOMMAND_CLASS (SUBCL_READ)) + option_conflict_error ("--same-order", + subcommand_string (subcommand_option)); + + if (one_top_level_option) + { + char *base; + + if (absolute_names_option) + option_conflict_error ("--one-top-level", "--absolute-names"); + + if (!one_top_level_dir) + { + /* If the user wants to guarantee that everything is under one + directory, determine its name now and let it be created later. */ + base = base_name (archive_name_array[0]); + one_top_level_dir = strip_compression_suffix (base); + free (base); + + if (!one_top_level_dir) + USAGE_ERROR ((0, 0, + _("Cannot deduce top-level directory name; " + "please set it explicitly with --one-top-level=DIR"))); + } + } + /* If ready to unlink hierarchies, so we are for simpler files. */ if (recursive_unlink_option) old_files_option = UNLINK_FIRST_OLD_FILES; @@ -2647,8 +2653,7 @@ decode_options (int argc, char **argv) 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"))); + option_conflict_error ("--preserve-order", "--listed-incremental"); /* Forbid using -c with no input files whatsoever. Check that '-f -', explicit or implied, is used correctly. */ @@ -2721,6 +2726,14 @@ decode_options (int argc, char **argv) report_textual_dates (&args); } +void +more_options (int argc, char **argv) +{ + int idx; + if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER, + &idx, &args)) + exit (TAREXIT_FAILURE); +} /* Tar proper. */ @@ -2737,6 +2750,8 @@ main (int argc, char **argv) exit_failure = TAREXIT_FAILURE; exit_status = TAREXIT_SUCCESS; + error_hook = checkpoint_flush_actions; + filename_terminator = '\n'; set_quoting_style (0, DEFAULT_QUOTING_STYLE); @@ -2750,8 +2765,6 @@ main (int argc, char **argv) xmalloc (sizeof (const char *) * allocated_archive_names); archive_names = 0; - obstack_init (&argv_stk); - /* System V fork+wait does not work if SIGCHLD is ignored. */ signal (SIGCHLD, SIG_DFL); @@ -2773,7 +2786,7 @@ main (int argc, char **argv) { case UNKNOWN_SUBCOMMAND: USAGE_ERROR ((0, 0, - _("You must specify one of the '-Acdtrux' or '--test-label' options"))); + _("You must specify one of the '-Acdtrux', '--delete' or '--test-label' options"))); case CAT_SUBCOMMAND: case UPDATE_SUBCOMMAND: @@ -2812,6 +2825,8 @@ main (int argc, char **argv) test_archive_label (); } + checkpoint_finish (); + if (totals_option) print_total_stats (); @@ -2881,6 +2896,7 @@ tar_stat_destroy (struct tar_stat_info *st) free (st->sparse_map); free (st->dumpdir); xheader_destroy (&st->xhdr); + info_free_exclist (st); memset (st, 0, sizeof (*st)); }