Remove files that were removed in CVS, but reappeared after migration to Git

[chaz/tar] / src / tar.c

diff --git a/src/tar.c b/src/tar.c
index 8396ad5e4e4e753f2c6284643b1939b7a52e3887..31537eb23fad6121f810ff80aa3b4ed25b4ccb5c 100644 (file)
--- 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, 2005, 2006, 2007 Free Software Foundation, Inc.
+   2001, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
 
    Written by John Gilmore, starting 1985-08-25.
 
@@ -50,6 +50,7 @@
 #include <version-etc.h>
 #include <xstrtol.h>
 #include <stdopen.h>
+#include <priv-set.h>
 
 /* Local declarations.  */
 
@@ -271,6 +272,7 @@ enum
   IGNORE_FAILED_READ_OPTION,
   INDEX_FILE_OPTION,
   KEEP_NEWER_FILES_OPTION,
+  LZMA_OPTION,
   LZOP_OPTION,
   MODE_OPTION,
   MTIME_OPTION,
@@ -593,7 +595,7 @@ static struct argp_option options[] = {
   {"auto-compress", 'a', 0, 0,
    N_("use archive suffix to determine the compression program"), GRID+1 },
   {"no-auto-compress", NO_AUTO_COMPRESS_OPTION, 0, 0,
-   N_("do not use use archive suffix to determine the compression program"),
+   N_("do not use archive suffix to determine the compression program"),
    GRID+1 },
   {"bzip2", 'j', 0, 0,
    N_("filter the archive through bzip2"), GRID+1 },
@@ -604,10 +606,12 @@ static struct argp_option options[] = {
   {"compress", 'Z', 0, 0,
    N_("filter the archive through compress"), GRID+1 },
   {"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
-  {"lzma", 'J', 0, 0,
+  {"lzma", LZMA_OPTION, 0, 0,
    N_("filter the archive through lzma"), GRID+1 },
   {"lzop", LZOP_OPTION, 0, 0,
    N_("filter the archive through lzop"), GRID+8 },
+  {"xz", 'J', 0, 0,
+   N_("filter the archive through xz"), GRID+8 },
   {"use-compress-program", 'I', N_("PROG"), 0,
    N_("filter through PROG (must accept -d)"), GRID+1 },
 #undef GRID
@@ -1367,7 +1371,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
       break;
 
     case 'J':
-      set_use_compress_program_option ("lzma");
+      set_use_compress_program_option ("xz");
       break;
       
     case 'k':
@@ -1401,6 +1405,10 @@ parse_opt (int key, char *arg, struct argp_state *state)
       }
       break;
 
+    case LZMA_OPTION:
+      set_use_compress_program_option ("lzma");
+      break;
+      
     case LZOP_OPTION:
       set_use_compress_program_option ("lzop");
       break;
@@ -2447,11 +2455,14 @@ main (int argc, char **argv)
 
   obstack_init (&argv_stk);
 
-#ifdef SIGCHLD
+  /* Ensure default behavior for some signals */
+  signal (SIGPIPE, SIG_DFL);
   /* System V fork+wait does not work if SIGCHLD is ignored.  */
   signal (SIGCHLD, SIG_DFL);
-#endif
 
+  /* Try to disable the ability to unlink a directory.  */
+  priv_set_remove_linkdir ();
+  
   /* Decode options.  */
 
   decode_options (argc, argv);