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| author | Boris Reisig <boris@boris.ca> | 2012-05-24 09:01:55 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-05-24 09:01:55 +0200 |
| commit | dfc2473b9ed88039697ac89ee2a4301cdaefcf84 (patch) | |
| tree | 7814ba22f4c103fe7873e11c88a912d6df566ddf /archival | |
| parent | 6e9284db78ddfe8d7dcf3775aed78665099f827f (diff) | |
| download | busybox-dfc2473b9ed88039697ac89ee2a4301cdaefcf84.tar.gz | |
tar: support -J, --xz explicit compression option
function old new delta
tar_main 868 881 +13
tar_longopts 285 290 +5
packed_usage 29267 29270 +3
Signed-off-by: Boris Reisig <boris@boris.ca>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival')
| -rw-r--r-- | archival/tar.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/archival/tar.c b/archival/tar.c index a64d6510f..a3565d6ae 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -693,6 +693,7 @@ static llist_t *append_file_list_to_list(llist_t *list) //usage: "-[" IF_FEATURE_TAR_CREATE("c") "xt" //usage: IF_FEATURE_SEAMLESS_Z("Z") //usage: IF_FEATURE_SEAMLESS_GZ("z") +//usage: IF_FEATURE_SEAMLESS_XZ("J") //usage: IF_FEATURE_SEAMLESS_BZ2("j") //usage: IF_FEATURE_SEAMLESS_LZMA("a") //usage: IF_FEATURE_TAR_CREATE("h") @@ -719,6 +720,9 @@ static llist_t *append_file_list_to_list(llist_t *list) //usage: IF_FEATURE_SEAMLESS_GZ( //usage: "\n z (De)compress using gzip" //usage: ) +//usage: IF_FEATURE_SEAMLESS_XZ( +//usage: "\n J (De)compress using xz" +//usage: ) //usage: IF_FEATURE_SEAMLESS_BZ2( //usage: "\n j (De)compress using bzip2" //usage: ) @@ -765,7 +769,8 @@ enum { IF_FEATURE_TAR_FROM( OPTBIT_INCLUDE_FROM,) IF_FEATURE_TAR_FROM( OPTBIT_EXCLUDE_FROM,) IF_FEATURE_SEAMLESS_GZ( OPTBIT_GZIP ,) - IF_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,) // 16th bit + IF_FEATURE_SEAMLESS_XZ( OPTBIT_XZ ,) // 16th bit + IF_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,) IF_FEATURE_TAR_NOPRESERVE_TIME(OPTBIT_NOPRESERVE_TIME,) #if ENABLE_FEATURE_TAR_LONG_OPTIONS OPTBIT_NORECURSION, @@ -790,6 +795,7 @@ enum { OPT_INCLUDE_FROM = IF_FEATURE_TAR_FROM( (1 << OPTBIT_INCLUDE_FROM)) + 0, // T OPT_EXCLUDE_FROM = IF_FEATURE_TAR_FROM( (1 << OPTBIT_EXCLUDE_FROM)) + 0, // X OPT_GZIP = IF_FEATURE_SEAMLESS_GZ( (1 << OPTBIT_GZIP )) + 0, // z + OPT_XZ = IF_FEATURE_SEAMLESS_XZ( (1 << OPTBIT_XZ )) + 0, // J OPT_COMPRESS = IF_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z OPT_NOPRESERVE_TIME = IF_FEATURE_TAR_NOPRESERVE_TIME((1 << OPTBIT_NOPRESERVE_TIME)) + 0, // m OPT_NORECURSION = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NORECURSION )) + 0, // no-recursion @@ -798,7 +804,7 @@ enum { OPT_NOPRESERVE_PERM = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NOPRESERVE_PERM)) + 0, // no-same-permissions OPT_OVERWRITE = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_OVERWRITE )) + 0, // overwrite - OPT_ANY_COMPRESS = (OPT_BZIP2 | OPT_LZMA | OPT_GZIP | OPT_COMPRESS), + OPT_ANY_COMPRESS = (OPT_BZIP2 | OPT_LZMA | OPT_GZIP | OPT_XZ | OPT_COMPRESS), }; #if ENABLE_FEATURE_TAR_LONG_OPTIONS static const char tar_longopts[] ALIGN1 = @@ -831,6 +837,9 @@ static const char tar_longopts[] ALIGN1 = # if ENABLE_FEATURE_SEAMLESS_GZ "gzip\0" No_argument "z" # endif +# if ENABLE_FEATURE_SEAMLESS_XZ + "xz\0" No_argument "J" +# endif # if ENABLE_FEATURE_SEAMLESS_Z "compress\0" No_argument "Z" # endif @@ -924,6 +933,7 @@ int tar_main(int argc UNUSED_PARAM, char **argv) IF_FEATURE_SEAMLESS_LZMA("a" ) IF_FEATURE_TAR_FROM( "T:X:") IF_FEATURE_SEAMLESS_GZ( "z" ) + IF_FEATURE_SEAMLESS_XZ( "J" ) IF_FEATURE_SEAMLESS_Z( "Z" ) IF_FEATURE_TAR_NOPRESERVE_TIME("m") , &base_dir // -C dir @@ -1076,6 +1086,9 @@ int tar_main(int argc UNUSED_PARAM, char **argv) if (opt & OPT_LZMA) USE_FOR_MMU(xformer = unpack_lzma_stream;) USE_FOR_NOMMU(xformer_prog = "unlzma";) + if (opt & OPT_XZ) + USE_FOR_MMU(xformer = unpack_xz_stream;) + USE_FOR_NOMMU(xformer_prog = "unxz";) open_transformer_with_sig(tar_handle->src_fd, xformer, xformer_prog); /* Can't lseek over pipes */ |