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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2009-10-25 00:13:32 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2009-10-25 00:13:32 (GMT)
commit30f3c1d5fdf8999491a01cb3fe8be8a40da52a75 (patch)
tree0b618243b796f4b5548c68b774e17fa71e0a208e
parentf645037ffb156dbca22296c1453f0b45383ff8ce (diff)
downloadbusybox-30f3c1d5fdf8999491a01cb3fe8be8a40da52a75.tar.gz
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tar: add support for -o as synonym to --no-same-owner. +5 bytes
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--archival/tar.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/archival/tar.c b/archival/tar.c
index 3c0ceb7..450402d 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -727,7 +727,7 @@ static void handle_SIGCHLD(int status)
#endif
enum {
- OPTBIT_KEEP_OLD = 7,
+ OPTBIT_KEEP_OLD = 8,
IF_FEATURE_TAR_CREATE( OPTBIT_CREATE ,)
IF_FEATURE_TAR_CREATE( OPTBIT_DEREFERENCE ,)
IF_FEATURE_SEAMLESS_BZ2( OPTBIT_BZIP2 ,)
@@ -735,7 +735,7 @@ 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 ,) /* 15th bit */
+ IF_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,) // 16th bit
OPTBIT_NUMERIC_OWNER,
OPTBIT_NOPRESERVE_OWNER,
OPTBIT_NOPRESERVE_PERM,
@@ -744,9 +744,10 @@ enum {
OPT_BASEDIR = 1 << 2, // C
OPT_TARNAME = 1 << 3, // f
OPT_2STDOUT = 1 << 4, // O
- OPT_P = 1 << 5, // p
- OPT_VERBOSE = 1 << 6, // v
- OPT_KEEP_OLD = 1 << 7, // k
+ OPT_NOPRESERVE_OWNER = 1 << 5, // no-same-owner
+ OPT_P = 1 << 6, // p
+ OPT_VERBOSE = 1 << 7, // v
+ OPT_KEEP_OLD = 1 << 8, // k
OPT_CREATE = IF_FEATURE_TAR_CREATE( (1 << OPTBIT_CREATE )) + 0, // c
OPT_DEREFERENCE = IF_FEATURE_TAR_CREATE( (1 << OPTBIT_DEREFERENCE )) + 0, // h
OPT_BZIP2 = IF_FEATURE_SEAMLESS_BZ2( (1 << OPTBIT_BZIP2 )) + 0, // j
@@ -756,7 +757,6 @@ enum {
OPT_GZIP = IF_FEATURE_SEAMLESS_GZ( (1 << OPTBIT_GZIP )) + 0, // z
OPT_COMPRESS = IF_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z
OPT_NUMERIC_OWNER = 1 << OPTBIT_NUMERIC_OWNER,
- OPT_NOPRESERVE_OWNER = 1 << OPTBIT_NOPRESERVE_OWNER , // no-same-owner
OPT_NOPRESERVE_PERM = 1 << OPTBIT_NOPRESERVE_PERM, // no-same-permissions
};
#if ENABLE_FEATURE_TAR_LONG_OPTIONS
@@ -766,6 +766,10 @@ static const char tar_longopts[] ALIGN1 =
"directory\0" Required_argument "C"
"file\0" Required_argument "f"
"to-stdout\0" No_argument "O"
+ /* do not restore owner */
+ /* Note: GNU tar handles 'o' as no-same-owner only on extract,
+ * on create, 'o' is --old-archive. We do not support --old-archive. */
+ "no-same-owner\0" No_argument "o"
"same-permissions\0" No_argument "p"
"verbose\0" No_argument "v"
"keep-old\0" No_argument "k"
@@ -790,9 +794,7 @@ static const char tar_longopts[] ALIGN1 =
"compress\0" No_argument "Z"
# endif
/* use numeric uid/gid from tar header, not textual */
- "numeric-owner\0" No_argument "\xfc"
- /* do not restore owner */
- "no-same-owner\0" No_argument "\xfd"
+ "numeric-owner\0" No_argument "\xfd"
/* do not restore mode */
"no-same-permissions\0" No_argument "\xfe"
/* --exclude takes next bit position in option mask, */
@@ -869,7 +871,7 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
}
#endif
opt = getopt32(argv,
- "txC:f:Opvk"
+ "txC:f:Oopvk"
IF_FEATURE_TAR_CREATE( "ch" )
IF_FEATURE_SEAMLESS_BZ2( "j" )
IF_FEATURE_SEAMLESS_LZMA("a" )