tar: optional support for --to-command

function                                             old     new   delta
data_extract_to_command                                -     430    +430
dec2env                                                -      44     +44
tar_main                                             778     819     +41
str2env                                                -      37     +37
tar_var                                                -      32     +32
xputenv                                                -      22     +22
tar_longopts                                         257     270     +13
------------------------------------------------------------------------------
(add/remove: 6/0 grow/shrink: 2/0 up/down: 619/0)             Total: 619 bytes

Signed-off-by: Ladislav Michl <Ladislav.Michl@seznam.cz>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/archival/Config.src b/archival/Config.src
index 3dbd3aea1..f64b3347b 100644
--- a/archival/Config.src
+++ b/archival/Config.src
@@ -280,6 +280,15 @@ config FEATURE_TAR_LONG_OPTIONS
         help
           Enable use of long options, increases size by about 400 Bytes
 
+config FEATURE_TAR_TO_COMMAND
+        bool "Support for writing to an external program"
+        default y
+        depends on TAR && FEATURE_TAR_LONG_OPTIONS
+        help
+          If you enable this option you'll be able to instruct tar to send
+          the contents of each extracted file to the standard input of an
+          external program.
+
 config FEATURE_TAR_UNAME_GNAME
         bool "Enable use of user and group names"
         default y