diff -crN tar-1.12/src/tar.c tar-1.12+bzip2/src/tar.c
*** tar-1.12/src/tar.c	Sat Apr 26 05:09:49 1997
--- tar-1.12+bzip2/src/tar.c	Tue Jun 16 16:55:28 1998
***************
*** 16,21 ****
--- 16,26 ----
     with this program; if not, write to the Free Software Foundation, Inc.,
     59 Place - Suite 330, Boston, MA 02111-1307, USA.  */
  
+ /* 13 Oct 97: patched by Hiroshi Takekawa to integrate bzip2 as
+               compression filter (option -I)
+    16 Jun 98: -I specified required_argument... modified to no_argument
+  */
+ 
  #include "system.h"
  
  #include <getopt.h>
***************
*** 196,201 ****
--- 201,208 ----
    {"block-number", no_argument, NULL, 'R'},
    {"block-size", required_argument, NULL, OBSOLETE_BLOCKING_FACTOR},
    {"blocking-factor", required_argument, NULL, 'b'},
+   {"bzip2", no_argument, NULL, 'I'},
+   {"bunzip2", no_argument, NULL, 'I'},
    {"catenate", no_argument, NULL, 'A'},
    {"checkpoint", no_argument, &checkpoint_option, 1},
    {"compare", no_argument, NULL, 'd'},
***************
*** 372,377 ****
--- 379,385 ----
                PATTERN                at list/extract time, a globbing PATTERN\n\
    -o, --old-archive, --portability   write a V7 format archive\n\
        --posix                        write a POSIX conformant archive\n\
+   -I, --bzip2, --bunzip2             filter the archive through bzip2\n\
    -z, --gzip, --ungzip               filter the archive through gzip\n\
    -Z, --compress, --uncompress       filter the archive through compress\n\
        --use-compress-program=PROG    filter through PROG (must accept -d)\n"),
***************
*** 448,454 ****
     Y  per-block gzip compression */
  
  #define OPTION_STRING \
!   "-01234567ABC:F:GK:L:MN:OPRST:UV:WX:Zb:cdf:g:hiklmoprstuvwxz"
  
  static void
  set_subcommand_option (enum subcommand subcommand)
--- 456,462 ----
     Y  per-block gzip compression */
  
  #define OPTION_STRING \
!   "-01234567ABC:F:GIK:L:MN:OPRST:UV:WX:Zb:cdf:g:hiklmoprstuvwxz"
  
  static void
  set_subcommand_option (enum subcommand subcommand)
***************
*** 805,810 ****
--- 813,822 ----
        case 'X':
  	exclude_option = 1;
  	add_exclude_file (optarg);
+ 	break;
+ 
+       case 'I':
+ 	set_use_compress_program_option ("bzip2");
  	break;
  
        case 'z':