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Add Lzip support

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* configure.ac: Add TAR_COMPR_PROGRAM(lzip)
* doc/tar.texi: Reflect lzip support.
* src/buffer.c (compress_type) <ct_lzip>: New constant.
(magic): Add magic for lzip.
* src/suffix.c (compression_suffixes): Add lz.
* src/tar.c: New option --lzip.
This commit is contained in:
Antonio Diaz Diaz
2010-03-02 18:41:41 +02:00
committed by Sergey Poznyakoff
parent 9a3e8a6f43
commit bffe1074aa
5 changed files with 32 additions and 5 deletions
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2
src/buffer.c
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@@ -201,6 +201,7 @@ enum compress_type {
ct_compress,
ct_gzip,
ct_bzip2,
ct_lzip,
ct_lzma,
ct_lzop,
ct_xz
@@ -221,6 +222,7 @@ static struct zip_magic const magic[] = {
{ ct_compress, 2, "\037\235", COMPRESS_PROGRAM, "-Z" },
{ ct_gzip, 2, "\037\213", GZIP_PROGRAM, "-z" },
{ ct_bzip2, 3, "BZh", BZIP2_PROGRAM, "-j" },
{ ct_lzip, 4, "LZIP", LZIP_PROGRAM, "--lzip" },
{ ct_lzma, 6, "\xFFLZMA", LZMA_PROGRAM, "--lzma" },
{ ct_lzop, 4, "\211LZO", LZOP_PROGRAM, "--lzop" },
{ ct_xz, 6, "\0xFD7zXZ", XZ_PROGRAM, "-J" },

1
src/suffix.c
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@@ -38,6 +38,7 @@ static struct compression_suffix compression_suffixes[] = {
{ S(tbz, BZIP2) },
{ S(tbz2, BZIP2) },
{ S(tz2, BZIP2) },
{ S(lz, LZIP) },
{ S(lzma, LZMA) },
{ S(tlz, LZMA) },
{ S(lzo, LZOP) },

10
src/tar.c
View File

@@ -281,6 +281,7 @@ enum
INDEX_FILE_OPTION,
KEEP_NEWER_FILES_OPTION,
LEVEL_OPTION,
LZIP_OPTION,
LZMA_OPTION,
LZOP_OPTION,
MODE_OPTION,
@@ -624,6 +625,7 @@ static struct argp_option options[] = {
{"ungzip", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"compress", 'Z', 0, 0, NULL, GRID+1 },
{"uncompress", 0, 0, OPTION_ALIAS, NULL, GRID+1 },
{"lzip", LZIP_OPTION, 0, 0, NULL, GRID+1 },
{"lzma", LZMA_OPTION, 0, 0, NULL, GRID+1 },
{"lzop", LZOP_OPTION, 0, 0, NULL, GRID+1 },
{"xz", 'J', 0, 0, NULL, GRID+1 },
@@ -1271,6 +1273,10 @@ tar_help_filter (int key, const char *text, void *input)
s = xasprintf (_("filter the archive through %s"), COMPRESS_PROGRAM);
break;
case LZIP_OPTION:
s = xasprintf (_("filter the archive through %s"), LZIP_PROGRAM);
break;
case LZMA_OPTION:
s = xasprintf (_("filter the archive through %s"), LZMA_PROGRAM);
break;
@@ -1506,6 +1512,10 @@ parse_opt (int key, char *arg, struct argp_state *state)
}
break;
case LZIP_OPTION:
set_use_compress_program_option (LZIP_PROGRAM);
break;
case LZMA_OPTION:
set_use_compress_program_option (LZMA_PROGRAM);
break;