busybox: add '--show SCRIPT' option to display scripts

Add an option to allow the content of embedded scripts to be
displayed.  This includes applet scripts, custom scripts and the
.profile script.

function                                             old     new   delta
busybox_main                                         624     701     +77
find_script_by_name                                    -      24     +24
scripted_main                                         41      35      -6
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 101/-6)             Total: 95 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index ae21f52ef..01680af1f 100644
--- a/Config.in
+++ b/Config.in
@@ -178,6 +178,11 @@ config BUSYBOX
 
         Running "busybox APPLET [ARGS...]" will still work, of course.
 
+config FEATURE_SHOW_SCRIPT
+        bool "Support --show SCRIPT"
+        default y
+        depends on BUSYBOX
+
 config FEATURE_INSTALLER
         bool "Support --install [-s] to install applet links at runtime"
         default y