X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Ftar;a=blobdiff_plain;f=src%2Ftar.c;h=cd2849545a3ddf4ff8c6e3451a7181a7d5a78f69;hp=6c327f707def2bf3f7109e80bc676f2b10a2f68a;hb=45ccda119355a1087450039a250359c1d0de0d08;hpb=2c06a80918019471876956eef4ef22f05c9e0571

diff --git a/src/tar.c b/src/tar.c
index 6c327f7..cd28495 100644
--- a/src/tar.c
+++ b/src/tar.c
@@ -1,6 +1,6 @@
 /* A tar (tape archiver) program.
 
-   Copyright 1988, 1992-1997, 1999-2001, 2003-2007, 2012-2013 Free
+   Copyright 1988, 1992-1997, 1999-2001, 2003-2007, 2012-2014 Free
    Software Foundation, Inc.
 
    Written by John Gilmore, starting 1985-08-25.
@@ -319,6 +319,7 @@ enum
   OCCURRENCE_OPTION,
   OLD_ARCHIVE_OPTION,
   ONE_FILE_SYSTEM_OPTION,
+  ONE_TOP_LEVEL_OPTION,
   OVERWRITE_DIR_OPTION,
   OVERWRITE_OPTION,
   OWNER_OPTION,
@@ -489,6 +490,9 @@ static struct argp_option options[] = {
   {"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
@@ -537,7 +541,8 @@ 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 },
@@ -731,7 +736,7 @@ 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 },
@@ -989,7 +994,7 @@ set_use_compress_program_option (const char *string)
   use_compress_program_option = string;
 }
 
-static RETSIGTYPE
+static void
 sigstat (int signo)
 {
   compute_duration ();
@@ -1166,6 +1171,9 @@ 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;
@@ -1437,6 +1445,11 @@ 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;
@@ -1774,7 +1787,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
     case KEEP_DIRECTORY_SYMLINK_OPTION:
       keep_directory_symlink_option = true;
       break;
-      
+
     case KEEP_NEWER_FILES_OPTION:
       old_files_option = KEEP_NEWER_FILES;
       break;
@@ -2219,7 +2232,7 @@ static int subcommand_class[] = {
 
 /* 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
@@ -2389,6 +2402,9 @@ decode_options (int argc, char **argv)
 		      subcommand_string (subcommand_option)));
     }
 
+  if (one_top_level_option && absolute_names_option)
+    USAGE_ERROR ((0, 0, _("--one-top-level cannot be used with --absolute-names")));
+
   if (archive_names == 0)
     {
       /* If no archive file name given, try TAPE from the environment, or
@@ -2486,6 +2502,13 @@ decode_options (int argc, char **argv)
       && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
     USAGE_ERROR ((0, 0, _("--xattrs can be used only on POSIX archives")));
 
+  if ((starting_file_option || same_order_option)
+      && !IS_SUBCOMMAND_CLASS (SUBCL_READ))
+    USAGE_ERROR ((0, 0,
+		  _("--%s option cannot be used with %s"),
+		  starting_file_option ? "starting-file" : "same-order",
+		  subcommand_string (subcommand_option)));
+
   /* If ready to unlink hierarchies, so we are for simpler files.  */
   if (recursive_unlink_option)
     old_files_option = UNLINK_FIRST_OLD_FILES;
@@ -2615,6 +2638,8 @@ 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);
 
@@ -2688,6 +2713,8 @@ main (int argc, char **argv)
       test_archive_label ();
     }
 
+  checkpoint_finish ();
+  
   if (totals_option)
     print_total_stats ();