{"bzip2", no_argument, 0, 'j'},
{"catenate", no_argument, 0, 'A'},
{"checkpoint", no_argument, 0, CHECKPOINT_OPTION},
+ {"check-links", no_argument, &check_links_option, 1},
{"compare", no_argument, 0, 'd'},
{"compress", no_argument, 0, 'Z'},
{"concatenate", no_argument, 0, 'A'},
{"volno-file", required_argument, 0, VOLNO_FILE_OPTION},
{"wildcards", no_argument, 0, WILDCARDS_OPTION},
{"wildcards-match-slash", no_argument, 0, WILDCARDS_MATCH_SLASH_OPTION},
-
+
{0, 0, 0, 0}
};
Archive format selection:\n\
-V, --label=NAME create archive with volume name NAME\n\
PATTERN at list/extract time, a globbing PATTERN\n\
- -o, --old-archive, --portability write a V7 format archive\n\
+ --old-archive, --portability write a V7 format archive\n\
--posix write a POSIX format archive\n\
-j, --bzip2 filter the archive through bzip2\n\
-z, --gzip, --ungzip filter the archive through gzip\n\
--version print tar program version number, then exit\n\
-v, --verbose verbosely list files processed\n\
--checkpoint print directory names while reading the archive\n\
+ --check-links print a message if not all links are dumped\n\
--totals print total bytes written while creating archive\n\
--index-file=FILE send verbose output to FILE\n\
-R, --block-number show block number within archive with each message\n\
stdout);
fputs (_("\
\n\
+Compatibility options:\n\
+ -o when creating, same as --old-archive\n\
+ when extracting, same as --no-same-owner\n"),
+ stdout);
+
+ fputs (_("\
+\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\
char const *backup_suffix_string;
char const *version_control_string = 0;
int exclude_options = EXCLUDE_WILDCARDS;
-
+ int o_option = 0;
+
/* Set some default option values. */
subcommand_option = UNKNOWN_SUBCOMMAND;
#endif /* not MSDOS */
case 'o':
- if (archive_format == DEFAULT_FORMAT)
- archive_format = V7_FORMAT;
- else if (archive_format != V7_FORMAT)
- USAGE_ERROR ((0, 0, _("Conflicting archive format options")));
+ o_option = 1;
break;
case 'O':
#endif /* not DEVICE_PREFIX */
}
+ /* Special handling for 'o' option:
+
+ GNU tar used to say "output old format".
+ UNIX98 tar says don't chown files after extracting (we use
+ "--no-same-owner" for this).
+
+ The old GNU tar semantics is retained when used with --create
+ option, otherwise UNIX98 semantics is assumed */
+
+ if (o_option)
+ {
+ if (subcommand_option == CREATE_SUBCOMMAND)
+ {
+ /* GNU Tar <= 1.13 compatibility */
+ if (archive_format == DEFAULT_FORMAT)
+ archive_format = V7_FORMAT;
+ else if (archive_format != V7_FORMAT)
+ USAGE_ERROR ((0, 0, _("Conflicting archive format options")));
+ }
+ else
+ {
+ /* UNIX98 compatibility */
+ same_owner_option = 1;
+ }
+ }
+
/* Handle operands after any "--" argument. */
for (; optind < argc; optind++)
{
break;
}
+ if (check_links_option)
+ check_links ();
+
if (volno_file_option)
closeout_volume_number ();