summaryrefslogtreecommitdiffstats
path: root/package/busybox/config/shell
diff options
context:
space:
mode:
Diffstat (limited to 'package/busybox/config/shell')
-rw-r--r--package/busybox/config/shell/Config.in103
1 files changed, 71 insertions, 32 deletions
diff --git a/package/busybox/config/shell/Config.in b/package/busybox/config/shell/Config.in
index 5d492e239..d652dd307 100644
--- a/package/busybox/config/shell/Config.in
+++ b/package/busybox/config/shell/Config.in
@@ -5,34 +5,7 @@
menu "Shells"
-choice
- prompt "Choose your default shell"
- default BUSYBOX_CONFIG_FEATURE_SH_IS_ASH
- help
- Choose a shell. The ash shell is the most bash compatible
- and full featured one.
-
-config BUSYBOX_CONFIG_FEATURE_SH_IS_ASH
- select BUSYBOX_CONFIG_ASH
- bool "ash"
- depends on !BUSYBOX_CONFIG_NOMMU
-config BUSYBOX_CONFIG_FEATURE_SH_IS_HUSH
- select BUSYBOX_CONFIG_HUSH
- bool "hush"
-
-####config FEATURE_SH_IS_LASH
-#### select LASH
-#### bool "lash"
-
-####config FEATURE_SH_IS_MSH
-#### select MSH
-#### bool "msh"
-
-config BUSYBOX_CONFIG_FEATURE_SH_IS_NONE
- bool "none"
-
-endchoice
config BUSYBOX_CONFIG_ASH
bool "ash"
@@ -243,6 +216,61 @@ config BUSYBOX_CONFIG_HUSH_RANDOM_SUPPORT
Enable pseudorandom generator and dynamic variable "$RANDOM".
Each read of "$RANDOM" will generate a new pseudorandom value.
+
+choice
+ prompt "Choose which shell is aliased to 'sh' name"
+ default BUSYBOX_CONFIG_FEATURE_SH_IS_ASH
+ help
+ Choose which shell you want to be executed by 'sh' alias.
+ The ash shell is the most bash compatible and full featured one.
+
+# note: cannot use "select ASH" here, it breaks "make allnoconfig"
+config BUSYBOX_CONFIG_FEATURE_SH_IS_ASH
+ depends on BUSYBOX_CONFIG_ASH
+ bool "ash"
+ depends on !BUSYBOX_CONFIG_NOMMU
+
+config BUSYBOX_CONFIG_FEATURE_SH_IS_HUSH
+ depends on BUSYBOX_CONFIG_HUSH
+ bool "hush"
+
+config BUSYBOX_CONFIG_FEATURE_SH_IS_NONE
+ bool "none"
+
+endchoice
+
+choice
+ prompt "Choose which shell is aliased to 'bash' name"
+ default BUSYBOX_CONFIG_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 BUSYBOX_CONFIG_FEATURE_BASH_IS_ASH
+ depends on BUSYBOX_CONFIG_ASH
+ bool "ash"
+ depends on !BUSYBOX_CONFIG_NOMMU
+
+config BUSYBOX_CONFIG_FEATURE_BASH_IS_HUSH
+ depends on BUSYBOX_CONFIG_HUSH
+ bool "hush"
+
+config BUSYBOX_CONFIG_FEATURE_BASH_IS_NONE
+ bool "none"
+
+endchoice
+
+
config BUSYBOX_CONFIG_LASH
bool "lash (deprecated: aliased to hush)"
default n
@@ -285,14 +313,14 @@ config BUSYBOX_CONFIG_SH_MATH_SUPPORT_64
config BUSYBOX_CONFIG_FEATURE_SH_EXTRA_QUIET
bool "Hide message on interactive shell startup"
default n
- depends on BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH
+ depends on BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH
help
Remove the busybox introduction when starting a shell.
config BUSYBOX_CONFIG_FEATURE_SH_STANDALONE
bool "Standalone shell"
default n
- depends on (BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
+ depends on (BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
help
This option causes busybox shells to use busybox applets
in preference to executables in the PATH whenever possible. For
@@ -325,7 +353,7 @@ config BUSYBOX_CONFIG_FEATURE_SH_STANDALONE
config BUSYBOX_CONFIG_FEATURE_SH_NOFORK
bool "Run 'nofork' applets directly"
default n
- depends on (BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
+ depends on (BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
help
This option causes busybox shells [currently only ash]
to not execute typical fork/exec/wait sequence, but call <applet>_main
@@ -354,9 +382,20 @@ config BUSYBOX_CONFIG_CTTYHACK
It analyzes stdin with various ioctls, trying to determine whether
it is a /dev/ttyN or /dev/ttySN (virtual terminal or serial line).
If it detects one, it closes stdin/out/err and reopens that device.
- Then it executes given program. Usage example for /etc/inittab
- (for busybox init):
+ Then it executes given program. Opening the device will make
+ that device a controlling tty. This may require cttyhack
+ to be a session leader.
+
+ Example for /etc/inittab (for busybox init):
::respawn:/bin/cttyhack /bin/sh
+ Giving controlling tty to shell running with PID 1:
+
+ $ exec cttyhack sh
+
+ Starting an interactive shell from boot shell script:
+
+ setsid cttyhack sh
+
endmenu