X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=shell%2FConfig.in;h=9ac2331556f4990d709a829724782d578f197276;hb=98ee06d3d46aa7f89c204681c7075b53300a6a6e;hp=02d4851ec05c7eaf54946ceef5bd018579a23ae4;hpb=e5642119ee566520a098027746808dd6b9226d99;p=oweals%2Fbusybox.git diff --git a/shell/Config.in b/shell/Config.in index 02d4851ec..9ac233155 100644 --- a/shell/Config.in +++ b/shell/Config.in @@ -3,212 +3,293 @@ # see scripts/kbuild/config-language.txt. # -menu "Another Bourne-like Shell" +menu "Shells" choice prompt "Choose your default shell" - default "none" + default FEATURE_SH_IS_NONE help Choose a shell. The ash shell is the most bash compatible - and full featured. + and full featured one. -config CONFIG_FEATURE_SH_IS_ASH +config FEATURE_SH_IS_ASH + select ASH bool "ash" -config CONFIG_FEATURE_SH_IS_HUSH +config FEATURE_SH_IS_HUSH + select HUSH bool "hush" -config CONFIG_FEATURE_SH_IS_LASH +config FEATURE_SH_IS_LASH + select LASH bool "lash" -config CONFIG_FEATURE_SH_IS_MSH +config FEATURE_SH_IS_MSH + select MSH bool "msh" -config CONFIG_FEATURE_SH_IS_NONE +config FEATURE_SH_IS_NONE bool "none" endchoice -if CONFIG_FEATURE_SH_IS_ASH - config CONFIG_ASH - default y - - comment "ash (forced enabled as default shell)" -endif - -if !CONFIG_FEATURE_SH_IS_ASH -config CONFIG_ASH +config ASH bool "ash" - default y + default n + select TEST help - Make sh a link to ash. -endif + 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 CONFIG_ASH + depends on ASH -config CONFIG_ASH_JOB_CONTROL - bool " Enable Job control" +config ASH_JOB_CONTROL + bool "Job control" default y - depends on CONFIG_ASH + depends on ASH help Enable job control in the ash shell. -config CONFIG_ASH_ALIAS - bool " Enable alias support" +config ASH_READ_NCHARS + bool "'read -n N' and 'read -s' support" + default n + depends on 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 ASH_READ_TIMEOUT + bool "'read -t S' support." + default n + depends on 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 ASH_ALIAS + bool "alias support" default y - depends on CONFIG_ASH + depends on ASH help Enable alias support in the ash shell. -config CONFIG_ASH_MATH_SUPPORT - bool " Enable Posix math support" +config ASH_MATH_SUPPORT + bool "Posix math support" default y - depends on CONFIG_ASH + depends on ASH help Enable math support in the ash shell. -config CONFIG_ASH_GETOPTS - bool " Enable getopt builtin to parse positional parameters" +config ASH_MATH_SUPPORT_64 + bool "Extend Posix math support to 64 bit" default n - depends on CONFIG_ASH + depends on ASH_MATH_SUPPORT help - Enable builtin getopt in the ash shell. + 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 CONFIG_ASH_CMDCMD - bool " Enable cmdcmd to override shell builtins" +config ASH_GETOPTS + bool "Builtin getopt to parse positional parameters" default n - depends on CONFIG_ASH + depends on ASH help - Please submit a patch to add help text for this item. + Enable getopts builtin in the ash shell. -config CONFIG_ASH_MAIL - bool " Check for new mail on interactive shells" +config ASH_BUILTIN_ECHO + bool "Builtin version of 'echo'" default y - depends on CONFIG_ASH + select ECHO + depends on ASH help - Enable "check for new mail" in the ash shell. + Enable support for echo, built in to ash. -config CONFIG_ASH_OPTIMIZE_FOR_SIZE - bool " Optimize for size instead of speed" +config ASH_BUILTIN_TEST + bool "Builtin version of 'test'" default y - depends on CONFIG_ASH + select TEST + depends on ASH help - Compile ash for reduced size at price of speed. + Enable support for test, built in to ash. -if CONFIG_FEATURE_SH_IS_HUSH - config CONFIG_HUSH +config ASH_CMDCMD + bool "'command' command to override shell builtins" + default n + depends on 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 ASH_MAIL + bool "Check for new mail on interactive shells" default y + depends on ASH + help + Enable "check for new mail" in the ash shell. + +config ASH_OPTIMIZE_FOR_SIZE + bool "Optimize for size instead of speed" + default y + depends on ASH + help + Compile ash for reduced size at the price of speed. + +config ASH_RANDOM_SUPPORT + bool "Pseudorandom generator and variable $RANDOM" + default n + depends on ASH + help + Enable pseudorandom generator and dynamic variable "$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 ASH_EXPAND_PRMT + bool "Expand prompt string" + default n + depends on 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. - comment "hush (forced enabled as default shell)" -endif - -if !CONFIG_FEATURE_SH_IS_HUSH -config CONFIG_HUSH +config HUSH bool "hush" default n + select TRUE + select FALSE + select TEST help - Make sh a link to hush. -endif + 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. -if CONFIG_FEATURE_SH_IS_LASH - config CONFIG_LASH - default y + It does not handle case/esac, select, function, here documents ( << + word ), arithmetic expansion, aliases, brace expansion, tilde + expansion, &> and >& redirection of stdout+stderr, etc. - comment "lash (forced enabled as default shell)" -endif -if !CONFIG_FEATURE_SH_IS_LASH -config CONFIG_LASH +config LASH bool "lash" default n + select TRUE + select FALSE + select TEST help - Make sh a link to lash. -endif + 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. -if CONFIG_FEATURE_SH_IS_MSH - config CONFIG_MSH - default y - - comment "msh (forced enabled as default shell)" -endif -if !CONFIG_FEATURE_SH_IS_MSH -config CONFIG_MSH +config MSH bool "msh" default n + select TRUE + select FALSE + select TEST help - Make sh a link to msh. -endif - + 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 CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on MSH || LASH || HUSH || ASH -config CONFIG_FEATURE_COMMAND_EDITING - bool "command line editing" +config FEATURE_SH_EXTRA_QUIET + bool "Hide message on interactive shell startup" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on MSH || LASH || HUSH || ASH help - Enable command editing in shell. + Remove the busybox introduction when starting a shell. -config CONFIG_FEATURE_COMMAND_SAVEHISTORY - bool " history saving" +config FEATURE_SH_STANDALONE_SHELL + bool "Standalone shell" default n - depends on CONFIG_ASH + depends on MSH || LASH || HUSH || ASH help - Enable history saving in ash shell. - -config CONFIG_FEATURE_COMMAND_TAB_COMPLETION - bool "tab completion" + 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 FEATURE_COMMAND_EDITING + bool "Command line editing" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on MSH || LASH || HUSH || ASH help - Enable tab completion in shell. + Enable command editing in shell. -config CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION - bool "username completion" +config FEATURE_COMMAND_EDITING_VI + bool "vi-style line editing commands" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on FEATURE_COMMAND_EDITING help - Enable username completion in shell. + 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 CONFIG_FEATURE_COMMAND_HISTORY - int "history size" +config FEATURE_COMMAND_HISTORY + int "History size" + range 0 99999 default 15 - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on FEATURE_COMMAND_EDITING help Specify command history size in shell. -config CONFIG_FEATURE_SH_STANDALONE_SHELL - bool "Standalone shell" +config FEATURE_COMMAND_SAVEHISTORY + bool "History saving" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on ASH && FEATURE_COMMAND_EDITING help - Have all the busybox commands built into the shell, creating - a standalone shell. + Enable history saving in ash shell. -config CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN - bool "Standalone shell -- applets always win" +config FEATURE_COMMAND_TAB_COMPLETION + bool "Tab completion" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on FEATURE_COMMAND_EDITING help - Use a command builtin to the shell over one with the same name, - that may be on the system. + Enable tab completion in shell. -config CONFIG_FEATURE_SH_FANCY_PROMPT - bool "Fancy shell prompts" +config FEATURE_COMMAND_USERNAME_COMPLETION + bool "Username completion" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on FEATURE_COMMAND_TAB_COMPLETION help - Please submit a patch to add help text for this item. + Enable username completion in shell. -config CONFIG_FEATURE_SH_EXTRA_QUIET - bool "Hide message on interactive shell startup" +config FEATURE_SH_FANCY_PROMPT + bool "Fancy shell prompts" default n - depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH + depends on FEATURE_COMMAND_EDITING help - Please submit a patch to add help text for this item. + Setting this option allows for prompts to use things like \w and + \$ and also using escape codes. endmenu -