X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/a656395fe8018b9cdc0432a53e551a3af890b698..2427a1a5f9baffc8a4faf578dbdb5b618e23ed53:/package/busybox/config/shell/Config.in diff --git a/package/busybox/config/shell/Config.in b/package/busybox/config/shell/Config.in index f3c998cd8..d652dd307 100644 --- a/package/busybox/config/shell/Config.in +++ b/package/busybox/config/shell/Config.in @@ -5,37 +5,12 @@ 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" -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" default y + depends on !BUSYBOX_CONFIG_NOMMU help Tha 'ash' shell adds about 60k in the default configuration and is the most complete and most pedantically correct shell included with @@ -57,23 +32,6 @@ config BUSYBOX_CONFIG_ASH_JOB_CONTROL help Enable job control in the ash shell. -config BUSYBOX_CONFIG_ASH_READ_NCHARS - bool "'read -n N' and 'read -s' support" - default n - depends on BUSYBOX_CONFIG_ASH - help - 'read -n N' will return a value after N characters have been read. - 'read -s' will read without echoing the user's input. - -config BUSYBOX_CONFIG_ASH_READ_TIMEOUT - bool "'read -t S' support" - default y - depends on BUSYBOX_CONFIG_ASH - help - 'read -t S' will return a value after S seconds have passed. - This implementation will allow fractional seconds, expressed - as a decimal fraction, e.g. 'read -t 2.5 foo'. - config BUSYBOX_CONFIG_ASH_ALIAS bool "alias support" default y @@ -175,24 +133,24 @@ config BUSYBOX_CONFIG_HUSH_BASH_COMPAT config BUSYBOX_CONFIG_HUSH_HELP bool "help builtin" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable help builtin in hush. Code size + ~1 kbyte. config BUSYBOX_CONFIG_HUSH_INTERACTIVE bool "Interactive mode" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable interactive mode (prompt and command editing). Without this, hush simply reads and executes commands - from stdin just like a shell script from the file. + from stdin just like a shell script from a file. No prompt, no PS1/PS2 magic shell variables. config BUSYBOX_CONFIG_HUSH_JOB bool "Job control" - default n + default y depends on BUSYBOX_CONFIG_HUSH_INTERACTIVE help Enable job control: Ctrl-Z backgrounds, Ctrl-C interrupts current @@ -203,53 +161,116 @@ config BUSYBOX_CONFIG_HUSH_JOB config BUSYBOX_CONFIG_HUSH_TICK bool "Process substitution" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable process substitution `command` and $(command) in hush. config BUSYBOX_CONFIG_HUSH_IF bool "Support if/then/elif/else/fi" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable if/then/elif/else/fi in hush. config BUSYBOX_CONFIG_HUSH_LOOPS bool "Support for, while and until loops" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable for, while and until loops in hush. config BUSYBOX_CONFIG_HUSH_CASE bool "Support case ... esac statement" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable case ... esac statement in hush. +400 bytes. config BUSYBOX_CONFIG_HUSH_FUNCTIONS bool "Support funcname() { commands; } syntax" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable support for shell functions in hush. +800 bytes. config BUSYBOX_CONFIG_HUSH_LOCAL bool "Support local builtin" - default n + default y depends on BUSYBOX_CONFIG_HUSH_FUNCTIONS help Enable support for local variables in functions. config BUSYBOX_CONFIG_HUSH_EXPORT_N bool "Support export '-n' option" - default n + default y depends on BUSYBOX_CONFIG_HUSH help Enable support for export '-n' option in hush. It is a bash extension. +config BUSYBOX_CONFIG_HUSH_RANDOM_SUPPORT + bool "Pseudorandom generator and $RANDOM variable" + default n + depends on BUSYBOX_CONFIG_HUSH + help + Enable pseudorandom generator and dynamic variable "$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 @@ -292,14 +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 @@ -332,7 +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 _main @@ -361,9 +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