X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Ftar.c;h=b0e039dbc7ff28d6970103fd4d5dabd9801d09db;hb=d659cbaccdc1f3279c49107cf15f15a639738529;hp=78638d02c3aacd2616e484c76c23f9e7408c9416;hpb=b1f2c7786087b1b4640bcb609a853fd10e38cfe7;p=chaz%2Ftar diff --git a/src/tar.c b/src/tar.c index 78638d0..b0e039d 100644 --- a/src/tar.c +++ b/src/tar.c @@ -1,7 +1,7 @@ /* A tar (tape archiver) program. Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, - 2001, 2003, 2004 Free Software Foundation, Inc. + 2001, 2003, 2004, 2005 Free Software Foundation, Inc. Written by John Gilmore, starting 1985-08-25. @@ -17,9 +17,9 @@ 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., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include "system.h" +#include #include #include @@ -38,6 +38,7 @@ #include #include +#include #include #include #include @@ -186,9 +187,12 @@ enum CHECK_LINKS_OPTION, DELETE_OPTION, EXCLUDE_OPTION, + EXCLUDE_CACHES_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, @@ -197,16 +201,19 @@ enum NEWER_MTIME_OPTION, NO_ANCHORED_OPTION, NO_IGNORE_CASE_OPTION, + NO_IGNORE_COMMAND_ERROR_OPTION, NO_OVERWRITE_DIR_OPTION, NO_RECURSION_OPTION, NO_SAME_OWNER_OPTION, NO_SAME_PERMISSIONS_OPTION, + NO_UNQUOTE_OPTION, NO_WILDCARDS_OPTION, NO_WILDCARDS_MATCH_SLASH_OPTION, NULL_OPTION, NUMERIC_OWNER_OPTION, OCCURRENCE_OPTION, OLD_ARCHIVE_OPTION, + ONE_FILE_SYSTEM_OPTION, OVERWRITE_OPTION, OWNER_OPTION, PAX_OPTION, @@ -223,7 +230,9 @@ enum SHOW_OMITTED_DIRS_OPTION, STRIP_COMPONENTS_OPTION, SUFFIX_OPTION, + TO_COMMAND_OPTION, TOTALS_OPTION, + UNQUOTE_OPTION, USAGE_OPTION, USE_COMPRESS_PROGRAM_OPTION, UTC_OPTION, @@ -233,7 +242,7 @@ enum WILDCARDS_MATCH_SLASH_OPTION }; -const char *argp_program_version = "tar (" PACKAGE ") " VERSION; +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\ \n\ @@ -243,6 +252,7 @@ Examples:\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\ 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\ nil, existing numbered if numbered backups exist, simple otherwise\n\ never, simple always make simple backups\n"); @@ -258,14 +268,14 @@ The version control may be set with --backup or VERSION_CONTROL, values are:\n\n 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 */ static struct argp_option options[] = { {NULL, 0, NULL, 0, N_("Main operation mode:"), 0}, - + {"list", 't', 0, 0, N_("list the contents of an archive"), 10 }, {"extract", 'x', 0, 0, @@ -289,26 +299,8 @@ static struct argp_option options[] = { {NULL, 0, NULL, 0, N_("Operation modifiers:"), 20}, - {"verify", 'W', 0, 0, - N_("attempt to verify the archive after writing it"), 21 }, - {"remove-files", REMOVE_FILES_OPTION, 0, 0, - N_("remove files after adding them to the archive"), 21 }, - {"keep-old-files", 'k', 0, 0, - N_("don't replace existing files when extracting"), 21 }, - {"keep-newer-files", KEEP_NEWER_FILES_OPTION, 0, 0, - N_("don't replace existing files that are newer than their archive copies"), 21 }, - {"no-overwrite-dir", NO_OVERWRITE_DIR_OPTION, 0, 0, - N_("preserve metadata of existing directories"), 21 }, - {"overwrite", OVERWRITE_OPTION, 0, 0, - N_("overwrite existing files when extracting"), 21 }, - {"unlink-first", 'U', 0, 0, - N_("remove each file prior to extracting over it"), 21 }, - {"recursive-unlink", RECURSIVE_UNLINK_OPTION, 0, 0, - N_("empty hierarchies prior to extracting directory"), 21 }, {"sparse", 'S', 0, 0, N_("handle sparse files efficiently"), 21 }, - {"to-stdout", 'O', 0, 0, - N_("extract files to standard output"), 21 }, {"incremental", 'G', 0, 0, N_("handle old GNU-format incremental backup"), 21 }, {"listed-incremental", 'g', N_("FILE"), 0, @@ -316,209 +308,257 @@ static struct argp_option options[] = { {"ignore-failed-read", IGNORE_FAILED_READ_OPTION, 0, 0, N_("do not exit with nonzero on unreadable files"), 21 }, {"occurrence", OCCURRENCE_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL, - N_("process only the NUMth 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."), 21 }, + 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."), 21 }, {"seek", 'n', NULL, 0, - N_("Archive is seekable"), 21 }, - + N_("archive is seekable"), 21 }, + + {NULL, 0, NULL, 0, + N_("Overwrite control:"), 30}, + + {"verify", 'W', 0, 0, + N_("attempt to verify the archive after writing it"), 31 }, + {"remove-files", REMOVE_FILES_OPTION, 0, 0, + N_("remove files after adding them to the archive"), 31 }, + {"keep-old-files", 'k', 0, 0, + N_("don't replace existing files when extracting"), 31 }, + {"keep-newer-files", KEEP_NEWER_FILES_OPTION, 0, 0, + N_("don't replace existing files that are newer than their archive copies"), 31 }, + {"overwrite", OVERWRITE_OPTION, 0, 0, + N_("overwrite existing files when extracting"), 31 }, + {"unlink-first", 'U', 0, 0, + N_("remove each file prior to extracting over it"), 31 }, + {"recursive-unlink", RECURSIVE_UNLINK_OPTION, 0, 0, + N_("empty hierarchies prior to extracting directory"), 31 }, + {"no-overwrite-dir", NO_OVERWRITE_DIR_OPTION, 0, 0, + N_("preserve metadata of existing directories"), 31 }, + {NULL, 0, NULL, 0, - N_("Handling of file attributes:"), 30 }, + N_("Select output stream:"), 40}, + + {"to-stdout", 'O', 0, 0, + N_("extract files to standard output"), 41 }, + {"to-command", TO_COMMAND_OPTION, N_("COMMAND"), 0, + N_("pipe extracted files to another program"), 41 }, + {"ignore-command-error", IGNORE_COMMAND_ERROR_OPTION, 0, 0, + N_("ignore exit codes of children"), 41 }, + {"no-ignore-command-error", NO_IGNORE_COMMAND_ERROR_OPTION, 0, 0, + N_("treat non-zero exit codes of children as error"), 41 }, + + {NULL, 0, NULL, 0, + N_("Handling of file attributes:"), 50 }, {"owner", OWNER_OPTION, N_("NAME"), 0, - N_("force NAME as owner for added files"), 31 }, + N_("force NAME as owner for added files"), 51 }, {"group", GROUP_OPTION, N_("NAME"), 0, - N_("force NAME as group for added files"), 31 }, + N_("force NAME as group for added files"), 51 }, {"mode", MODE_OPTION, N_("CHANGES"), 0, - N_("force (symbolic) mode CHANGES for added files"), 31 }, + N_("force (symbolic) mode CHANGES for added files"), 51 }, {"atime-preserve", ATIME_PRESERVE_OPTION, 0, 0, - N_("don't change access times on dumped files"), 31 }, + N_("don't change access times on dumped files"), 51 }, {"touch", 'm', 0, 0, - N_("don't extract file modified time"), 31 }, + N_("don't extract file modified time"), 51 }, {"same-owner", SAME_OWNER_OPTION, 0, 0, - N_("try extracting files with the same ownership"), 31 }, + N_("try extracting files with the same ownership"), 51 }, {"no-same-owner", NO_SAME_OWNER_OPTION, 0, 0, - N_("extract files as yourself"), 31 }, + N_("extract files as yourself"), 51 }, {"numeric-owner", NUMERIC_OWNER_OPTION, 0, 0, - N_("always use numbers for user/group names"), 31 }, + N_("always use numbers for user/group names"), 51 }, {"preserve-permissions", 'p', 0, 0, - N_("extract permissions information"), 31 }, - {"same-permissions", 0, 0, OPTION_ALIAS, NULL, 31 }, + N_("extract information about file permissions (default for superuser)"), + 51 }, + {"same-permissions", 0, 0, OPTION_ALIAS, NULL, 51 }, {"no-same-permissions", NO_SAME_PERMISSIONS_OPTION, 0, 0, - N_("do not extract permissions information"), 31 }, + N_("apply the user's umask when extracting permissions from the archive (default for ordinary users)"), 51 }, {"preserve-order", 's', 0, 0, - N_("sort names to extract to match archive"), 31 }, - {"same-order", 0, 0, OPTION_ALIAS, NULL, 31 }, + N_("sort names to extract to match archive"), 51 }, + {"same-order", 0, 0, OPTION_ALIAS, NULL, 51 }, {"preserve", PRESERVE_OPTION, 0, 0, - N_("same as both -p and -s"), 31 }, + N_("same as both -p and -s"), 51 }, {NULL, 0, NULL, 0, - N_("Device selection and switching:"), 40 }, - + N_("Device selection and switching:"), 60 }, + {"file", 'f', N_("ARCHIVE"), 0, - N_("use archive file or device ARCHIVE"), 41 }, + N_("use archive file or device ARCHIVE"), 61 }, {"force-local", FORCE_LOCAL_OPTION, 0, 0, - N_("archive file is local even if has a colon"), 41 }, + N_("archive file is local even if it has a colon"), 61 }, {"rmt-command", RMT_COMMAND_OPTION, N_("COMMAND"), 0, - N_("use given rmt COMMAND instead of rmt"), 41 }, + N_("use given rmt COMMAND instead of rmt"), 61 }, {"rsh-command", RSH_COMMAND_OPTION, N_("COMMAND"), 0, - N_("use remote COMMAND instead of rsh"), 41 }, + N_("use remote COMMAND instead of rsh"), 61 }, #ifdef DEVICE_PREFIX - {"-[0-7][lmh]", 0, NULL, OPTION_DOC, - N_("specify drive and density"), 41 }, -#endif - {NULL, '0', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '1', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '2', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '3', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '4', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '5', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '6', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '7', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '8', NULL, OPTION_HIDDEN, NULL, 41 }, - {NULL, '9', NULL, OPTION_HIDDEN, NULL, 41 }, - + {"-[0-7][lmh]", 0, NULL, OPTION_DOC, /* It is OK, since `name' will never be + translated */ + N_("specify drive and density"), 61 }, +#endif + {NULL, '0', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '1', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '2', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '3', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '4', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '5', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '6', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '7', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '8', NULL, OPTION_HIDDEN, NULL, 61 }, + {NULL, '9', NULL, OPTION_HIDDEN, NULL, 61 }, + {"multi-volume", 'M', 0, 0, - N_("create/list/extract multi-volume archive"), 41 }, + N_("create/list/extract multi-volume archive"), 61 }, {"tape-length", 'L', N_("NUMBER"), 0, - N_("change tape after writing NUMBER x 1024 bytes"), 41 }, + N_("change tape after writing NUMBER x 1024 bytes"), 61 }, {"info-script", 'F', N_("NAME"), 0, - N_("run script at end of each tape (implies -M)"), 41 }, - {"new-volume-script", 0, 0, OPTION_ALIAS, NULL, 41 }, + N_("run script at end of each tape (implies -M)"), 61 }, + {"new-volume-script", 0, 0, OPTION_ALIAS, NULL, 61 }, {"volno-file", VOLNO_FILE_OPTION, N_("FILE"), 0, - N_("use/update the volume number in FILE"), 41 }, + N_("use/update the volume number in FILE"), 61 }, {NULL, 0, NULL, 0, - N_("Device blocking:"), 50 }, + N_("Device blocking:"), 70 }, {"blocking-factor", 'b', N_("BLOCKS"), 0, - N_("BLOCKS x 512 bytes per record"), 51 }, + N_("BLOCKS x 512 bytes per record"), 71 }, {"record-size", RECORD_SIZE_OPTION, N_("NUMBER"), 0, - N_("SIZE bytes per record, multiple of 512"), 51 }, + N_("NUMBER of bytes per record, multiple of 512"), 71 }, {"ignore-zeros", 'i', 0, 0, - N_("ignore zeroed blocks in archive (means EOF)"), 51 }, + N_("ignore zeroed blocks in archive (means EOF)"), 71 }, {"read-full-records", 'B', 0, 0, - N_("reblock as we read (for 4.2BSD pipes)"), 51 }, + N_("reblock as we read (for 4.2BSD pipes)"), 71 }, {NULL, 0, NULL, 0, - N_("Archive format selection:"), 60 }, - - {"format", 'H', N_("FORMAT"), 0, - N_("create archive of the given format."), 61 }, + N_("Archive format selection:"), 80 }, - {"", 0, NULL, OPTION_DOC, N_("FORMAT is one of the following:"), 62}, - {"", 0, NULL, OPTION_DOC, N_("v7 old V7 tar format"), 63}, - {"", 0, NULL, OPTION_DOC, N_("oldgnu GNU format as per tar <= 1.12"), 63}, - {"", 0, NULL, OPTION_DOC, N_("gnu GNU tar 1.13.x format"), 63}, - {"", 0, NULL, OPTION_DOC, N_("ustar POSIX 1003.1-1988 (ustar) format"), 63 }, - {"", 0, NULL, OPTION_DOC, N_("posix POSIX 1003.1-2001 (pax) format"), 63 }, + {"format", 'H', N_("FORMAT"), 0, + N_("create archive of the given format."), 81 }, + + {NULL, 0, NULL, 0, N_("FORMAT is one of the following:"), 82 }, + {" v7", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("old V7 tar format"), 83}, + {" oldgnu", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, + N_("GNU format as per tar <= 1.12"), 83}, + {" gnu", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, + N_("GNU tar 1.13.x format"), 83}, + {" ustar", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, + N_("POSIX 1003.1-1988 (ustar) format"), 83 }, + {" pax", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, + N_("POSIX 1003.1-2001 (pax) format"), 83 }, + {" posix", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, N_("same as pax"), 83 }, {"old-archive", OLD_ARCHIVE_OPTION, 0, 0, /* FIXME */ - N_("same as --format=v7"), 68 }, - {"portability", 0, 0, OPTION_ALIAS, NULL, 68 }, + N_("same as --format=v7"), 88 }, + {"portability", 0, 0, OPTION_ALIAS, NULL, 88 }, {"posix", POSIX_OPTION, 0, 0, - N_("same as --format=posix"), 68 }, + N_("same as --format=posix"), 88 }, {"pax-option", PAX_OPTION, N_("keyword[[:]=value][,keyword[[:]=value], ...]"), 0, - N_("control pax keywords"), 68 }, + N_("control pax keywords"), 88 }, {"label", 'V', N_("TEXT"), 0, - N_("create archive with volume name NAME. At list/extract time, use TEXT as a globbing pattern"), 68 }, + N_("create archive with volume name TEXT. At list/extract time, use TEXT as a globbing pattern for volume name"), 88 }, {"bzip2", 'j', 0, 0, - N_("filter the archive through bzip2"), 68 }, + N_("filter the archive through bzip2"), 88 }, {"gzip", 'z', 0, 0, - N_("filter the archive through gzip"), 68 }, - {"gunzip", 0, 0, OPTION_ALIAS, NULL, 68 }, - {"ungzip", 0, 0, OPTION_ALIAS, NULL, 68 }, + N_("filter the archive through gzip"), 88 }, + {"gunzip", 0, 0, OPTION_ALIAS, NULL, 88 }, + {"ungzip", 0, 0, OPTION_ALIAS, NULL, 88 }, {"compress", 'Z', 0, 0, - N_("filter the archive through compress"), 68 }, - {"uncompress", 0, 0, OPTION_ALIAS, NULL, 68 }, + N_("filter the archive through compress"), 88 }, + {"uncompress", 0, 0, OPTION_ALIAS, NULL, 88 }, {"use-compress-program", USE_COMPRESS_PROGRAM_OPTION, N_("PROG"), 0, - N_("filter through PROG (must accept -d)"), 68 }, + N_("filter through PROG (must accept -d)"), 88 }, {NULL, 0, NULL, 0, - N_("Local file selection:"), 70 }, + N_("Local file selection:"), 90 }, + {"add-file", ARGP_KEY_ARG, N_("FILE"), 0, + N_("add given FILE to the archive (useful if its name starts with a dash)"), 91}, {"directory", 'C', N_("DIR"), 0, - N_("change to directory DIR"), 71 }, - {"files-from", 'T', N_("FILE-OF-NAMES"), 0, - N_("get names to extract or create from file NAME"), 71 }, + N_("change to directory DIR"), 91 }, + {"files-from", 'T', N_("FILE"), 0, + N_("get names to extract or create from FILE"), 91 }, {"null", NULL_OPTION, 0, 0, - N_("-T reads null-terminated names, disable -C"), 71 }, + N_("-T reads null-terminated names, disable -C"), 91 }, + {"unquote", UNQUOTE_OPTION, 0, 0, + N_("unquote filenames read with -T (default)"), 91 }, + {"no-unquote", NO_UNQUOTE_OPTION, 0, 0, + N_("do not unquote filenames read with -T"), 91 }, {"exclude", EXCLUDE_OPTION, N_("PATTERN"), 0, - N_("exclude files, given as a PATTERN"), 71 }, + N_("exclude files, given as a PATTERN"), 91 }, {"exclude-from", 'X', N_("FILE"), 0, - N_("exclude patterns listed in FILE"), 71 }, + N_("exclude patterns listed in FILE"), 91 }, + {"exclude-caches", EXCLUDE_CACHES_OPTION, 0, 0, + N_("exclude directories containing a cache tag"), 91 }, {"ignore-case", IGNORE_CASE_OPTION, 0, 0, - N_("exclusion ignores case"), 71 }, + N_("exclusion ignores case"), 91 }, {"anchored", ANCHORED_OPTION, 0, 0, - N_("exclude patterns match file name start"), 71 }, + N_("exclude patterns match file name start"), 91 }, {"no-anchored", NO_ANCHORED_OPTION, 0, 0, - N_("exclude patterns match after any / (default)"), 71 }, + N_("exclude patterns match after any `/' (default)"), 91 }, {"no-ignore-case", NO_IGNORE_CASE_OPTION, 0, 0, - N_("exclusion is case sensitive (default)"), 71 }, + N_("exclusion is case sensitive (default)"), 91 }, {"no-wildcards", NO_WILDCARDS_OPTION, 0, 0, - N_("exclude patterns are plain strings"), 71 }, + N_("exclude patterns are plain strings"), 91 }, {"no-wildcards-match-slash", NO_WILDCARDS_MATCH_SLASH_OPTION, 0, 0, - N_("exclude pattern wildcards do not match '/'"), 71 }, + N_("exclude pattern wildcards do not match `/'"), 91 }, {"no-recursion", NO_RECURSION_OPTION, 0, 0, - N_("avoid descending automatically in directories"), 71 }, - {"one-file-system", 'l', 0, 0, /* FIXME: emit warning */ - N_("stay in local file system when creating archive"), 71 }, + N_("avoid descending automatically in directories"), 91 }, + {"one-file-system", ONE_FILE_SYSTEM_OPTION, 0, 0, + N_("stay in local file system when creating archive"), 91 }, + {NULL, 'l', 0, OPTION_HIDDEN, "", 91}, {"recursion", RECURSION_OPTION, 0, 0, - N_("recurse into directories (default)"), 71 }, + N_("recurse into directories (default)"), 91 }, {"absolute-names", 'P', 0, 0, - N_("don't strip leading `/'s from file names"), 71 }, + N_("don't strip leading `/'s from file names"), 91 }, {"dereference", 'h', 0, 0, - N_("dump instead the files symlinks point to"), 71 }, + N_("follow symlinks; archive and dump the files they point to"), 91 }, {"starting-file", 'K', N_("MEMBER-NAME"), 0, - N_("begin at member MEMBER-NAME in the archive"), 71 }, + N_("begin at member MEMBER-NAME in the archive"), 91 }, {"strip-components", STRIP_COMPONENTS_OPTION, N_("NUMBER"), 0, - N_("strip NUMBER leading components from file names"), 71 }, + N_("strip NUMBER leading components from file names"), 91 }, {"newer", 'N', N_("DATE-OR-FILE"), 0, - N_("only store files newer than DATE-OR-FILE"), 71 }, + N_("only store files newer than DATE-OR-FILE"), 91 }, {"newer-mtime", NEWER_MTIME_OPTION, N_("DATE"), 0, - N_("compare date and time when data changed only"), 71 }, + N_("compare date and time when data changed only"), 91 }, {"after-date", 'N', N_("DATE"), 0, - N_("same as -N"), 71 }, + N_("same as -N"), 91 }, {"backup", BACKUP_OPTION, N_("CONTROL"), OPTION_ARG_OPTIONAL, - N_("backup before removal, choose version CONTROL"), 71 }, + N_("backup before removal, choose version CONTROL"), 91 }, {"suffix", SUFFIX_OPTION, N_("STRING"), 0, - N_("backup before removal, override usual suffix ('~' unless overridden by environment variable SIMPLE_BACKUP_SUFFIX"), 71 }, + N_("backup before removal, override usual suffix ('~' unless overridden by environment variable SIMPLE_BACKUP_SUFFIX)"), 91 }, {"wildcards", WILDCARDS_OPTION, 0, 0, - N_("exclude patterns use wildcards (default)"), 71 }, + N_("exclude patterns use wildcards (default)"), 91 }, {"wildcards-match-slash", WILDCARDS_MATCH_SLASH_OPTION, 0, 0, - N_("exclude pattern wildcards match '/' (default)"), 71 }, + N_("exclude pattern wildcards match `/' (default)"), 91 }, {NULL, 0, NULL, 0, - N_("Informative output:"), 80 }, - + N_("Informative output:"), 100 }, + {"verbose", 'v', 0, 0, - N_("verbosely list files processed"), 81 }, + N_("verbosely list files processed"), 101 }, {"checkpoint", CHECKPOINT_OPTION, 0, 0, - N_("display progress messages every 10th record"), 81 }, + N_("display progress messages every 10th record"), 101 }, {"check-links", CHECK_LINKS_OPTION, 0, 0, - N_("print a message if not all links are dumped"), 82 }, + N_("print a message if not all links are dumped"), 102 }, {"totals", TOTALS_OPTION, 0, 0, - N_("print total bytes written while creating archive"), 82 }, + N_("print total bytes written while creating archive"), 102 }, {"utc", UTC_OPTION, 0, 0, - N_("print file modification dates in UTC"), 82 }, + N_("print file modification dates in UTC"), 102 }, {"index-file", INDEX_FILE_OPTION, N_("FILE"), 0, - N_("send verbose output to FILE"), 82 }, + N_("send verbose output to FILE"), 102 }, {"block-number", 'R', 0, 0, - N_("show block number within archive with each message"), 82 }, + N_("show block number within archive with each message"), 102 }, {"interactive", 'w', 0, 0, - N_("ask for confirmation for every action"), 82 }, - {"confirmation", 0, 0, OPTION_ALIAS, NULL, 82 }, + N_("ask for confirmation for every action"), 102 }, + {"confirmation", 0, 0, OPTION_ALIAS, NULL, 102 }, {"show-defaults", SHOW_DEFAULTS_OPTION, 0, 0, - N_("Show tar defaults"), 82 }, + N_("Show tar defaults"), 102 }, {"show-omitted-dirs", SHOW_OMITTED_DIRS_OPTION, 0, 0, - N_("When listing or extracting, list each directory that does not match search criteria"), 82 }, - + N_("When listing or extracting, list each directory that does not match search criteria"), 102 }, + {NULL, 0, NULL, 0, - N_("Compatibility options:"), 90 }, + N_("Compatibility options:"), 110 }, {NULL, 'o', 0, 0, - N_("when creating, same as --old-archive. When extracting, same as --no-same-owner"), 91 }, + N_("when creating, same as --old-archive. When extracting, same as --no-same-owner"), 111 }, {NULL, 0, NULL, 0, - N_("Other options:"), 100 }, + N_("Other options:"), 120 }, {"help", '?', 0, 0, N_("Give this help list"), -1}, {"usage", USAGE_OPTION, 0, 0, N_("Give a short usage message"), -1}, @@ -526,7 +566,8 @@ static struct argp_option options[] = { {"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}, {0, 0, 0, 0, 0, 0} }; @@ -544,10 +585,14 @@ static void show_default_settings (FILE *stream) { fprintf (stream, - "--format=%s -f%s -b%d --rmt-command=%s --rsh-command=%s\n", + "--format=%s -f%s -b%d --rmt-command=%s", archive_format_string (DEFAULT_ARCHIVE_FORMAT), DEFAULT_ARCHIVE, DEFAULT_BLOCKING, - DEFAULT_RMT_COMMAND, REMOTE_SHELL); + DEFAULT_RMT_COMMAND); +#ifdef REMOTE_SHELL + fprintf (stream, " --rsh-command=%s", REMOTE_SHELL); +#endif + fprintf (stream, "\n"); } static void @@ -589,28 +634,182 @@ for complete list of authors.\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\n" - " Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n\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); } +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 */ + }; + +/* Read from FP a sequence of characters up to FILENAME_TERMINATOR and put them + into STK. + */ +static enum read_file_list_state +read_name_from_file (FILE *fp, struct obstack *stk) +{ + int c; + size_t counter = 0; + + for (c = getc (fp); c != EOF && c != filename_terminator; c = getc (fp)) + { + if (c == 0) + { + /* 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++; + } + + 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; +} + +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; + + 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)) == file_list_success) + count++; + + if (read_state == 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; + while (read_name_from_file (fp, &argv_stk) == file_list_success) + count++; + } + + if (!is_stdin) + fclose (fp); + + if (count == 0) + return; + + start = obstack_finish (&argv_stk); + + if (filename_terminator == 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] == '-') + state->argv[i++] = "--add-file"; + state->argv[i] = p; + } +} + + static error_t -parse_opt(int key, char *arg, struct argp_state *state) +parse_opt (int key, char *arg, struct argp_state *state) { struct tar_args *args = state->input; - + switch (key) { - case 1: + case ARGP_KEY_ARG: /* File name or non-parsed option, because of ARGP_IN_ORDER */ - name_add (optarg); + name_add (arg); args->input_files++; break; case 'A': set_subcommand_option (CAT_SUBCOMMAND); break; - + case 'b': { uintmax_t u; @@ -625,12 +824,12 @@ parse_opt(int key, char *arg, struct argp_state *state) 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; @@ -661,64 +860,74 @@ parse_opt(int key, char *arg, struct argp_state *state) 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 'i': /* 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 'k': /* Don't replace existing files. */ old_files_option = KEEP_OLD_FILES; break; - + case 'K': starting_file_option = true; 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. */ - + that are on other filesystems. */ one_file_system_option = true; break; - + case 'L': { uintmax_t u; @@ -729,22 +938,22 @@ parse_opt(int key, char *arg, struct argp_state *state) multi_volume_option = true; } 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 'n': seekable_archive = true; break; - + #if !MSDOS case 'N': after_date_option = true; @@ -753,7 +962,7 @@ parse_opt(int key, char *arg, struct argp_state *state) 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 == '.') @@ -762,30 +971,29 @@ parse_opt(int key, char *arg, struct argp_state *state) if (deref_stat (dereference_option, arg, &st) != 0) { stat_error (arg); - USAGE_ERROR ((0, 0, _("Date file not found"))); + USAGE_ERROR ((0, 0, _("Date sample file not found"))); } - newer_mtime_option.tv_sec = st.st_mtime; - newer_mtime_option.tv_nsec = TIMESPEC_NS (st.st_mtim); + 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.tv_sec), quote (arg))); + tartime (newer_mtime_option, false), quote (arg))); newer_mtime_option.tv_nsec = 0; } else args->textual_date_option = arg; } - + break; #endif /* not MSDOS */ - + case 'o': args->o_option = true; break; - + case 'O': to_stdout_option = true; break; @@ -793,77 +1001,81 @@ parse_opt(int key, char *arg, struct argp_state *state) 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 ans most BSD-derived systems. This is a consequence of the block/record terminology confusion. */ - + block_number_option = true; break; - + case 's': /* Names to extr are sorted. */ - + same_order_option = true; break; - + case 'S': sparse_option = true; break; - + case 't': set_subcommand_option (LIST_SUBCOMMAND); verbose_option++; break; case 'T': - files_from_option = arg; + update_argv (arg, state); + /* 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; - + 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++; 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, args->exclude_options | recursion_option, '\n') @@ -873,71 +1085,79 @@ parse_opt(int key, char *arg, struct argp_state *state) FATAL_ERROR ((0, e, "%s", quotearg_colon (arg))); } break; - + case 'y': USAGE_ERROR ((0, 0, _("Warning: the -y option is not supported;" " perhaps you meant -j?"))); break; - + case 'z': set_use_compress_program_option ("gzip"); break; - + case 'Z': set_use_compress_program_option ("compress"); break; - + case ANCHORED_OPTION: args->exclude_options |= EXCLUDE_ANCHORED; break; - + case ATIME_PRESERVE_OPTION: atime_preserve_option = true; break; - + case CHECKPOINT_OPTION: checkpoint_option = true; break; - + case BACKUP_OPTION: backup_option = true; if (arg) args->version_control_string = arg; break; - + case DELETE_OPTION: set_subcommand_option (DELETE_SUBCOMMAND); break; - + case EXCLUDE_OPTION: add_exclude (excluded, arg, args->exclude_options | recursion_option); break; - + + case EXCLUDE_CACHES_OPTION: + exclude_caches_option = true; + 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->exclude_options |= 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))) @@ -951,45 +1171,47 @@ parse_opt(int key, char *arg, struct argp_state *state) _("%s: Invalid group"))); } break; - + case MODE_OPTION: - mode_option - = mode_compile (arg, - MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS); - if (mode_option == MODE_INVALID) + mode_option = mode_compile (arg); + if (!mode_option) FATAL_ERROR ((0, 0, _("Invalid mode given on option"))); - if (mode_option == MODE_MEMORY_EXHAUSTED) - xalloc_die (); + initial_umask = umask (0); + umask (initial_umask); break; - + case NO_ANCHORED_OPTION: args->exclude_options &= ~ EXCLUDE_ANCHORED; break; - + case NO_IGNORE_CASE_OPTION: args->exclude_options &= ~ 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_WILDCARDS_OPTION: args->exclude_options &= ~ EXCLUDE_WILDCARDS; break; - + case NO_WILDCARDS_MATCH_SLASH_OPTION: args->exclude_options |= FNM_FILE_NAME; break; - + case NULL_OPTION: filename_terminator = '\0'; break; - + case NUMERIC_OWNER_OPTION: numeric_owner_option = true; break; - + case OCCURRENCE_OPTION: if (!arg) occurrence_option = 1; @@ -1003,7 +1225,7 @@ parse_opt(int key, char *arg, struct argp_state *state) _("Invalid number"))); } break; - + case OVERWRITE_OPTION: old_files_option = OVERWRITE_OLD_FILES; break; @@ -1021,21 +1243,21 @@ parse_opt(int key, char *arg, struct argp_state *state) _("Invalid owner"))); } break; - + case PAX_OPTION: args->pax_option++; xheader_set_option (arg); break; - + case POSIX_OPTION: set_archive_format ("posix"); break; - + case PRESERVE_OPTION: same_permissions_option = true; same_order_option = true; break; - + case RECORD_SIZE_OPTION: { uintmax_t u; @@ -1050,27 +1272,27 @@ parse_opt(int key, char *arg, struct argp_state *state) 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 RMT_COMMAND_OPTION: - rmt_command_option = arg; + rmt_command = arg; break; - + case RSH_COMMAND_OPTION: rsh_command_option = arg; break; - + case SHOW_DEFAULTS_OPTION: show_default_settings (stdout); exit(0); - + case STRIP_COMPONENTS_OPTION: { uintmax_t u; @@ -1085,28 +1307,34 @@ parse_opt(int key, char *arg, struct argp_state *state) case SHOW_OMITTED_DIRS_OPTION: show_omitted_dirs_option = true; break; - + case SUFFIX_OPTION: backup_option = true; args->backup_suffix_string = arg; break; - + + case TO_COMMAND_OPTION: + if (to_command_option) + USAGE_ERROR ((0, 0, _("Only one --to-command option allowed"))); + to_command_option = arg; + break; + case TOTALS_OPTION: totals_option = true; break; - + case USE_COMPRESS_PROGRAM_OPTION: set_use_compress_program_option (arg); break; - + case VOLNO_FILE_OPTION: volno_file_option = arg; break; - + case WILDCARDS_OPTION: args->exclude_options |= EXCLUDE_WILDCARDS; break; - + case WILDCARDS_MATCH_SLASH_OPTION: args->exclude_options &= ~ FNM_FILE_NAME; break; @@ -1114,7 +1342,7 @@ parse_opt(int key, char *arg, struct argp_state *state) case CHECK_LINKS_OPTION: check_links_option = 1; break; - + case NO_RECURSION_OPTION: recursion_option = 0; break; @@ -1134,7 +1362,15 @@ parse_opt(int key, char *arg, struct argp_state *state) case SAME_OWNER_OPTION: same_owner_option = 1; break; - + + case UNQUOTE_OPTION: + unquote_option = true; + break; + + case NO_UNQUOTE_OPTION: + unquote_option = false; + break; + case '0': case '1': case '2': @@ -1152,15 +1388,15 @@ parse_opt(int key, char *arg, struct argp_state *state) char *cursor; if (arg[1]) - argp_error (state, _("Malformed density argument: '%s'"), arg); - + argp_error (state, _("Malformed density argument: %s"), quote (arg)); + strcpy (buf, DEVICE_PREFIX); cursor = buf + strlen (buf); #ifdef DENSITY_LETTER sprintf (cursor, "%d%c", device, arg[0]); - + #else /* not DENSITY_LETTER */ switch (arg[0]) @@ -1170,7 +1406,7 @@ parse_opt(int key, char *arg, struct argp_state *state) device += LOW_NUM; #endif break; - + case 'm': #ifdef MID_NUM device += MID_NUM; @@ -1178,7 +1414,7 @@ parse_opt(int key, char *arg, struct argp_state *state) device += 8; #endif break; - + case 'h': #ifdef HGH_NUM device += HGH_NUM; @@ -1188,10 +1424,10 @@ parse_opt(int key, char *arg, struct argp_state *state) break; default: - argp_error (state, _("Unknown density: '%c'"), arg[0]); + argp_error (state, _("Unknown density: `%c'"), arg[0]); } sprintf (cursor, "%d", device); - + #endif /* not DENSITY_LETTER */ if (archive_names == allocated_archive_names) @@ -1201,17 +1437,17 @@ parse_opt(int key, char *arg, struct argp_state *state) xrealloc (archive_name_array, sizeof (const char *) * allocated_archive_names); } - archive_name_array[archive_names++] = strdup (buf); + archive_name_array[archive_names++] = xstrdup (buf); } break; #else /* not DEVICE_PREFIX */ - argp_error (state, + argp_error (state, _("Options `-[0-7][lmh]' not supported by *this* tar")); - + #endif /* not DEVICE_PREFIX */ - + case '?': state->flags |= ARGP_NO_EXIT; argp_state_help (state, state->out_stream, @@ -1219,7 +1455,7 @@ parse_opt(int key, char *arg, struct argp_state *state) 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"), + fprintf (state->out_stream, _("Report bugs to %s.\n"), argp_program_bug_address); exit (0); @@ -1236,6 +1472,12 @@ parse_opt(int key, char *arg, struct argp_state *state) license (); break; + case HANG_OPTION: + _argp_hang = atoi (arg ? arg : "3600"); + while (_argp_hang-- > 0) + sleep (1); + break; + default: return ARGP_ERR_UNKNOWN; } @@ -1255,7 +1497,7 @@ static struct argp argp = { void usage (int status) { - argp_help (&argp, stderr, ARGP_HELP_SEE, program_name); + argp_help (&argp, stderr, ARGP_HELP_SEE, (char*) program_name); exit (status); } @@ -1280,7 +1522,7 @@ decode_options (int argc, char **argv) { int index; struct tar_args args; - + /* Set some default option values. */ args.textual_date_option = NULL; args.exclude_options = EXCLUDE_WILDCARDS; @@ -1298,6 +1540,7 @@ decode_options (int argc, char **argv) newer_mtime_option.tv_sec = TYPE_MINIMUM (time_t); newer_mtime_option.tv_nsec = -1; recursion_option = FNM_LEADING_DIR; + unquote_option = true; owner_option = -1; group_option = -1; @@ -1333,7 +1576,7 @@ decode_options (int argc, char **argv) for (letter = *in++; *letter; letter++) { struct argp_option *opt; - + buffer[1] = *letter; *out++ = xstrdup (buffer); opt = find_argp_option (options, *letter); @@ -1365,8 +1608,8 @@ decode_options (int argc, char **argv) if (argp_parse (&argp, argc, argv, ARGP_IN_ORDER|ARGP_NO_HELP, &index, &args)) - exit (1); /* FIXME */ - + exit (1); + /* Special handling for 'o' option: @@ -1387,7 +1630,7 @@ decode_options (int argc, char **argv) else { /* UNIX98 compatibility */ - same_owner_option = 1; + same_owner_option = -1; } } @@ -1423,7 +1666,7 @@ decode_options (int argc, char **argv) if (occurrence_option) { - if (!args.input_files && !files_from_option) + if (!args.input_files) USAGE_ERROR ((0, 0, _("--occurrence is meaningless without a file list"))); if (subcommand_option != DELETE_SUBCOMMAND @@ -1434,6 +1677,18 @@ decode_options (int argc, char **argv) _("--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 @@ -1510,9 +1765,6 @@ decode_options (int argc, char **argv) if (utc_option) verbose_option = 2; - if (!rmt_command_option) - rmt_command_option = DEFAULT_RMT_COMMAND; - /* Forbid using -c with no input files whatsoever. Check that `-f -', explicit or implied, is used correctly. */ @@ -1556,20 +1808,20 @@ decode_options (int argc, char **argv) simple_backup_suffix = xstrdup (args.backup_suffix_string); if (backup_option) - backup_type = xget_version ("--backup", args.version_control_string); + { + backup_type = xget_version ("--backup", args.version_control_string); + /* No backup is needed either if explicitely disabled or if + the extracted files are not being written to disk. */ + if (backup_type == no_backups || EXTRACT_OVER_PIPE) + backup_option = false; + } if (verbose_option && args.textual_date_option) { - /* FIXME: tartime should support nanoseconds, too, so that this - comparison doesn't complain about lost nanoseconds. */ - char const *treated_as = tartime (newer_mtime_option.tv_sec); + char const *treated_as = tartime (newer_mtime_option, true); if (strcmp (args.textual_date_option, treated_as) != 0) - WARN ((0, 0, - ngettext ("Treating date `%s' as %s + %ld nanosecond", - "Treating date `%s' as %s + %ld nanoseconds", - newer_mtime_option.tv_nsec), - args.textual_date_option, treated_as, - newer_mtime_option.tv_nsec)); + WARN ((0, 0, _("Treating date `%s' as %s"), + args.textual_date_option, treated_as)); } } @@ -1580,11 +1832,9 @@ decode_options (int argc, char **argv) int main (int argc, char **argv) { -#if HAVE_CLOCK_GETTIME - if (clock_gettime (CLOCK_REALTIME, &start_timespec) != 0) -#endif - start_time = time (0); + set_start_time (); program_name = argv[0]; + setlocale (LC_ALL, ""); bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); @@ -1600,6 +1850,8 @@ main (int argc, char **argv) xmalloc (sizeof (const char *) * allocated_archive_names); archive_names = 0; + obstack_init (&argv_stk); + #ifdef SIGCHLD /* System V fork+wait does not work if SIGCHLD is ignored. */ signal (SIGCHLD, SIG_DFL); @@ -1635,8 +1887,6 @@ main (int argc, char **argv) case CREATE_SUBCOMMAND: create_archive (); - name_close (); - if (totals_option) print_total_written (); break;