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Add new -y/--bzip2/--bunzip2 flag. With all the ports that are going to

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bzip2 as the compression mechanism, this makes life easier.

Obtained from:	bzip2 website
This commit is contained in:
obrien 1999-03-17 12:09:31 +00:00
parent 39934dac14
commit 4be2884249
1 changed files with 13 additions and 1 deletions
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14
gnu/usr.bin/tar/tar.c
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@ -169,6 +169,8 @@ struct option long_options[] =
{"compress", 0, 0, 'Z'},
{"uncompress", 0, 0, 'Z'},
{"block-compress", 0, &f_compress_block, 1},
{"bzip2", 0, 0, 'y'},
{"bunzip2", 0, 0, 'y'},
{"gzip", 0, 0, 'z'},
{"ungzip", 0, 0, 'z'},
{"use-compress-program", 1, 0, 18},
@ -314,7 +316,7 @@ options (argc, argv)
/* Parse options */
while ((c = getoldopt (argc, argv,
"-01234567Ab:BcC:df:F:g:GhikK:lL:mMnN:oOpPrRsStT:uvV:wWxX:zZ",
"-01234567Ab:BcC:df:F:g:GhikK:lL:mMnN:oOpPrRsStT:uvV:wWxX:yzZ",
long_options, &ind)) != EOF)
{
switch (c)
@ -635,6 +637,15 @@ options (argc, argv)
add_exclude_file (optarg);
break;
case 'y':
if (f_compressprog)
{
msg ("Only one compression option permitted\n");
exit (EX_ARGSBAD);
}
f_compressprog = "bzip2";
break;
case 'z':
if (f_compressprog)
{
@ -771,6 +782,7 @@ Other options:\n\
-W, --verify attempt to verify the archive after writing it\n\
--exclude FILE exclude file FILE\n\
-X, --exclude-from FILE exclude files listed in FILE\n\
-y, --bzip2, --bunzip2 filter the archive through bzip2\n\
-Z, --compress,\n\
--uncompress filter the archive through compress\n\
-z, --gzip,\n\