msh: aliased to hush

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/Config.in

@@ -24,9 +24,9 @@ config FEATURE_SH_IS_HUSH
 ####	select LASH
 ####	bool "lash"
 
-config FEATURE_SH_IS_MSH
-	select MSH
-	bool "msh"
+####config FEATURE_SH_IS_MSH
+####	select MSH
+####	bool "msh"
 
 config FEATURE_SH_IS_NONE
 	bool "none"
@@ -260,6 +260,7 @@ config LASH
 config MSH
 	bool "msh (deprecated: please use hush)"
 	default n
+	select HUSH
 	help
 	  msh is deprecated and will be removed, please migrate to hush.
 	  If there is a feature msh has but hush does not, please let us know.

shell/Kbuild

@@ -7,6 +7,5 @@
 lib-y:=
 lib-$(CONFIG_ASH)      += ash.o ash_ptr_hack.o
 lib-$(CONFIG_HUSH)     += hush.o match.o
-lib-$(CONFIG_MSH)      += msh.o
 lib-$(CONFIG_CTTYHACK) += cttyhack.o
 lib-$(CONFIG_SH_MATH_SUPPORT) += math.o

shell/hush.c

@@ -6746,6 +6746,15 @@ int lash_main(int argc, char **argv)
 }
 #endif
 
+#if ENABLE_MSH
+int msh_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int msh_main(int argc, char **argv)
+{
+	//bb_error_msg("msh is deprecated, please use hush instead");
+	return hush_main(argc, argv);
+}
+#endif
+
 
 /*
  * Built-ins