1 files changed, 33 insertions, 10 deletions

diff --git a/shell/Config.in b/shell/Config.in
index cf599dff4..286a3415e 100644
--- a/shell/Config.in
+++ b/shell/Config.in
@@ -6,11 +6,11 @@
 menu "Shells"
 
 choice
-        prompt "Choose your default shell"
+        prompt "Choose which shell is aliased to 'sh' name"
         default FEATURE_SH_IS_NONE
         help
-          Choose a shell. The ash shell is the most bash compatible
-          and full featured one.
+          Choose which shell you want to be executed by 'sh' alias.
+          The ash shell is the most bash compatible and full featured one.
 
 config FEATURE_SH_IS_ASH
         select ASH
@@ -21,15 +21,38 @@ config FEATURE_SH_IS_HUSH
         select HUSH
         bool "hush"
 
-####config FEATURE_SH_IS_LASH
-####    select LASH
-####    bool "lash"
+config FEATURE_SH_IS_NONE
+        bool "none"
 
-####config FEATURE_SH_IS_MSH
-####    select MSH
-####    bool "msh"
+endchoice
 
-config FEATURE_SH_IS_NONE
+choice
+        prompt "Choose which shell is aliased to 'bash' name"
+        default FEATURE_BASH_IS_NONE
+        help
+          Choose which shell you want to be executed by 'bash' alias.
+          The ash shell is the most bash compatible and full featured one.
+
+          Note that selecting this option does not switch on any bash
+          compatibility code. It merely makes it possible to install
+          /bin/bash (sym)link and run scripts which start with
+          #!/bin/bash line.
+
+          Many systems use it in scripts which use bash-specific features,
+          even simple ones like $RANDOM. Without this option, busybox
+          can't be used for running them because it won't recongnize
+          "bash" as a supported applet name.
+
+config FEATURE_BASH_IS_ASH
+        select ASH
+        bool "ash"
+        depends on !NOMMU
+
+config FEATURE_BASH_IS_HUSH
+        select HUSH
+        bool "hush"
+
+config FEATURE_BASH_IS_NONE
         bool "none"
 
 endchoice