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Diffstat (limited to 'package/busybox/config/shell/Config.in')
| -rw-r--r-- | package/busybox/config/shell/Config.in | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/package/busybox/config/shell/Config.in b/package/busybox/config/shell/Config.in new file mode 100644 index 0000000000..373c7461a4 --- /dev/null +++ b/package/busybox/config/shell/Config.in @@ -0,0 +1,294 @@ +# +# For a description of the syntax of this configuration file, +# see scripts/kbuild/config-language.txt. +# + +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 BUSYBOX_CONFIG_FEATURE_SH_IS_LASH + select BUSYBOX_CONFIG_LASH + bool "lash" + +config BUSYBOX_CONFIG_FEATURE_SH_IS_MSH + select BUSYBOX_CONFIG_MSH + bool "msh" + +config BUSYBOX_CONFIG_FEATURE_SH_IS_NONE + bool "none" + +endchoice + +config BUSYBOX_CONFIG_ASH + bool "ash" + default y + select BUSYBOX_CONFIG_TEST + help + Tha 'ash' shell adds about 60k in the default configuration and is + the most complete and most pedantically correct shell included with + busybox. This shell is actually a derivative of the Debian 'dash' + shell (by Herbert Xu), which was created by porting the 'ash' shell + (written by Kenneth Almquist) from NetBSD. + +comment "Ash Shell Options" + depends on BUSYBOX_CONFIG_ASH + +config BUSYBOX_CONFIG_ASH_JOB_CONTROL + bool "Job control" + default y + depends on BUSYBOX_CONFIG_ASH + 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 + depends on BUSYBOX_CONFIG_ASH + help + Enable alias support in the ash shell. + +config BUSYBOX_CONFIG_ASH_MATH_SUPPORT + bool "Posix math support" + default y + depends on BUSYBOX_CONFIG_ASH + help + Enable math support in the ash shell. + +config BUSYBOX_CONFIG_ASH_MATH_SUPPORT_64 + bool "Extend Posix math support to 64 bit" + default n + depends on BUSYBOX_CONFIG_ASH_MATH_SUPPORT + help + Enable 64-bit math support in the ash shell. This will make + the shell slightly larger, but will allow computation with very + large numbers. + +config BUSYBOX_CONFIG_ASH_GETOPTS + bool "Builtin getopt to parse positional parameters" + default y + depends on BUSYBOX_CONFIG_ASH + help + Enable getopts builtin in the ash shell. + +config BUSYBOX_CONFIG_ASH_BUILTIN_ECHO + bool "Builtin version of 'echo'" + default y + select BUSYBOX_CONFIG_ECHO + depends on BUSYBOX_CONFIG_ASH + help + Enable support for echo, built in to ash. + +config BUSYBOX_CONFIG_ASH_BUILTIN_TEST + bool "Builtin version of 'test'" + default y + select BUSYBOX_CONFIG_TEST + depends on BUSYBOX_CONFIG_ASH + help + Enable support for test, built in to ash. + +config BUSYBOX_CONFIG_ASH_CMDCMD + bool "'command' command to override shell builtins" + default y + depends on BUSYBOX_CONFIG_ASH + help + Enable support for the ash 'command' builtin, which allows + you to run the specified command with the specified arguments, + even when there is an ash builtin command with the same name. + +config BUSYBOX_CONFIG_ASH_MAIL + bool "Check for new mail on interactive shells" + default n + depends on BUSYBOX_CONFIG_ASH + help + Enable "check for new mail" in the ash shell. + +config BUSYBOX_CONFIG_ASH_OPTIMIZE_FOR_SIZE + bool "Optimize for size instead of speed" + default y + depends on BUSYBOX_CONFIG_ASH + help + Compile ash for reduced size at the price of speed. + +config BUSYBOX_CONFIG_ASH_RANDOM_SUPPORT + bool "Pseudorandom generator and variable $RANDOM" + default n + depends on BUSYBOX_CONFIG_ASH + help + Enable pseudorandom generator and dynamic variable "$RANDOM". + Each read of "$RANDOM" will generate a new pseudorandom value. + You can reset the generator by using a specified start value. + After "unset RANDOM" then generator will switch off and this + variable will no longer have special treatment. + +config BUSYBOX_CONFIG_ASH_EXPAND_PRMT + bool "Expand prompt string" + default n + depends on BUSYBOX_CONFIG_ASH + help + "PS#" may be contain volatile content, such as backquote commands. + This option recreates the prompt string from the environment + variable each time it is displayed. + +config BUSYBOX_CONFIG_HUSH + bool "hush" + default n + select BUSYBOX_CONFIG_TRUE + select BUSYBOX_CONFIG_FALSE + select BUSYBOX_CONFIG_TEST + help + hush is a very small shell (just 18k) and it has fairly complete + Bourne shell grammar. It even handles all the normal flow control + options such as if/then/elif/else/fi, for/in/do/done, while loops, + etc. + + It does not handle case/esac, select, function, here documents ( << + word ), arithmetic expansion, aliases, brace expansion, tilde + expansion, &> and >& redirection of stdout+stderr, etc. + + +config BUSYBOX_CONFIG_LASH + bool "lash" + default n + select BUSYBOX_CONFIG_TRUE + select BUSYBOX_CONFIG_FALSE + select BUSYBOX_CONFIG_TEST + help + lash is the very smallest shell (adds just 10k) and it is quite + usable as a command prompt, but it is not suitable for any but the + most trivial scripting (such as an initrd that calls insmod a few + times) since it does not understand any Bourne shell grammar. It + does handle pipes, redirects, and job control though. Adding in + command editing makes it a very nice lightweight command prompt. + + +config BUSYBOX_CONFIG_MSH + bool "msh" + default n + select BUSYBOX_CONFIG_TRUE + select BUSYBOX_CONFIG_FALSE + select BUSYBOX_CONFIG_TEST + help + The minix shell (adds just 30k) is quite complete and handles things + like for/do/done, case/esac and all the things you expect a Bourne + shell to do. It is not always pedantically correct about Bourne + shell grammar (try running the shell testscript "tests/sh.testcases" + on it and compare vs bash) but for most things it works quite well. + It also uses only vfork, so it can be used on uClinux systems. + +comment "Bourne Shell Options" + depends on BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH + +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 + help + Remove the busybox introduction when starting a shell. + +config BUSYBOX_CONFIG_FEATURE_SH_STANDALONE_SHELL + bool "Standalone shell" + default n + depends on BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH + help + This option causes the selected busybox shell to use busybox applets + in preference to executables in the PATH whenever possible. For + example, entering the command 'ifconfig' into the shell would cause + busybox to use the ifconfig busybox applet. Specifying the fully + qualified executable name, such as '/sbin/ifconfig' will still + execute the /sbin/ifconfig executable on the filesystem. This option + is generally used when creating a statically linked version of busybox + for use as a rescue shell, in the event that you screw up your system. + + Note that this will *also* cause applets to take precedence + over shell builtins of the same name. So turning this on will + eliminate any performance gained by turning on the builtin "echo" + and "test" commands in ash. + + Note that when using this option, the shell will attempt to directly + run '/bin/busybox'. If you do not have the busybox binary sitting in + that exact location with that exact name, this option will not work at + all. + +config BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING + bool "Command line editing" + default y + depends on BUSYBOX_CONFIG_MSH || BUSYBOX_CONFIG_LASH || BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH + help + Enable command editing in shell. + +config BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING_VI + bool "vi-style line editing commands" + default n + depends on BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING + help + Enable vi-style line editing in the shell. This mode can be + turned on and off with "set -o vi" and "set +o vi". + +config BUSYBOX_CONFIG_FEATURE_COMMAND_HISTORY + int "History size" + default 15 + depends on BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING + help + Specify command history size in shell. + +config BUSYBOX_CONFIG_FEATURE_COMMAND_SAVEHISTORY + bool "History saving" + default n + depends on BUSYBOX_CONFIG_ASH && BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING + help + Enable history saving in ash shell. + +config BUSYBOX_CONFIG_FEATURE_COMMAND_TAB_COMPLETION + bool "Tab completion" + default y + depends on BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING + help + Enable tab completion in shell. + +config BUSYBOX_CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION + bool "Username completion" + default n + depends on BUSYBOX_CONFIG_FEATURE_COMMAND_TAB_COMPLETION + help + Enable username completion in shell. + +config BUSYBOX_CONFIG_FEATURE_SH_FANCY_PROMPT + bool "Fancy shell prompts" + default y + depends on BUSYBOX_CONFIG_FEATURE_COMMAND_EDITING + help + Setting this option allows for prompts to use things like \w and + \$ and also using escape codes. + +endmenu |