2 files changed, 59 insertions, 38 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
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index a0ebaca29..a79a37efb 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -756,6 +756,44 @@ static void install_links(const char *busybox UNUSED_PARAM,
 
 static void run_applet_and_exit(const char *name, char **argv) NORETURN;
 
+# if NUM_SCRIPTS > 0
+static int find_script_by_name(const char *name)
+{
+        int i;
+        int applet = find_applet_by_name(name);
+
+        if (applet >= 0) {
+                for (i = 0; i < NUM_SCRIPTS; ++i)
+                        if (applet_numbers[i] == applet)
+                                return i;
+        }
+        return -1;
+}
+
+int scripted_main(int argc UNUSED_PARAM, char **argv)
+{
+        int script = find_script_by_name(applet_name);
+        if (script >= 0)
+                exit(ash_main(-script - 1, argv));
+        return 0;
+}
+
+char* FAST_FUNC
+get_script_content(unsigned n)
+{
+        char *t = unpack_bz2_data(packed_scripts, sizeof(packed_scripts),
+                                        UNPACKED_SCRIPTS_LENGTH);
+        if (t) {
+                while (n != 0) {
+                        while (*t++ != '\0')
+                                continue;
+                        n--;
+                }
+        }
+        return t;
+}
+# endif /* NUM_SCRIPTS > 0 */
+
 # if ENABLE_BUSYBOX
 #  if ENABLE_FEATURE_SH_STANDALONE && ENABLE_FEATURE_TAB_COMPLETION
     /*
@@ -793,6 +831,9 @@ int busybox_main(int argc UNUSED_PARAM, char **argv)
                         "\n"
                         "Usage: busybox [function [arguments]...]\n"
                         "   or: busybox --list"IF_FEATURE_INSTALLER("[-full]")"\n"
+#  if ENABLE_FEATURE_SHOW_SCRIPT && NUM_SCRIPTS > 0
+                        "   or: busybox --show SCRIPT\n"
+#  endif
                         IF_FEATURE_INSTALLER(
                         "   or: busybox --install [-s] [DIR]\n"
                         )
@@ -838,6 +879,19 @@ int busybox_main(int argc UNUSED_PARAM, char **argv)
                 return 0;
         }
 
+#  if ENABLE_FEATURE_SHOW_SCRIPT && NUM_SCRIPTS > 0
+        if (strcmp(argv[1], "--show") == 0) {
+                int n;
+                if (!argv[2])
+                        bb_error_msg_and_die(bb_msg_requires_arg, "--show");
+                n = find_script_by_name(argv[2]);
+                if (n < 0)
+                        bb_error_msg_and_die("script '%s' not found", argv[2]);
+                full_write1_str(get_script_content(n));
+                return 0;
+        }
+#  endif
+
         if (is_prefixed_with(argv[1], "--list")) {
                 unsigned i = 0;
                 const char *a = applet_names;
@@ -939,44 +993,6 @@ void FAST_FUNC run_applet_no_and_exit(int applet_no, const char *name, char **ar
 }
 # endif /* NUM_APPLETS > 0 */
 
-# if NUM_SCRIPTS > 0
-static int find_script_by_name(const char *name)
-{
-        int i;
-        int applet = find_applet_by_name(name);
-
-        if (applet >= 0) {
-                for (i = 0; i < NUM_SCRIPTS; ++i)
-                        if (applet_numbers[i] == applet)
-                                return i;
-        }
-        return -1;
-}
-
-int scripted_main(int argc UNUSED_PARAM, char **argv)
-{
-        int script = find_script_by_name(applet_name);
-        if (script >= 0)
-                exit(ash_main(-script - 1, argv));
-        return 0;
-}
-
-char* FAST_FUNC
-get_script_content(unsigned n)
-{
-        char *t = unpack_bz2_data(packed_scripts, sizeof(packed_scripts),
-                                        UNPACKED_SCRIPTS_LENGTH);
-        if (t) {
-                while (n != 0) {
-                        while (*t++ != '\0')
-                                continue;
-                        n--;
-                }
-        }
-        return t;
-}
-# endif /* NUM_SCRIPTS > 0 */
-
 # if ENABLE_BUSYBOX || NUM_APPLETS > 0
 static NORETURN void run_applet_and_exit(const char *name, char **argv)
 {