diff options
| -rwxr-xr-x | scripts/config | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/scripts/config b/scripts/config new file mode 100755 index 000000000000..68b9761cdc38 --- /dev/null +++ b/scripts/config @@ -0,0 +1,150 @@ +#!/bin/bash +# Manipulate options in a .config file from the command line + +usage() { + cat >&2 <<EOL +Manipulate options in a .config file from the command line. +Usage: +config options command ... +commands: + --enable|-e option Enable option + --disable|-d option Disable option + --module|-m option Turn option into a module + --state|-s option Print state of option (n,y,m,undef) + + --enable-after|-E beforeopt option + Enable option directly after other option + --disable-after|-D beforeopt option + Disable option directly after other option + --module-after|-M beforeopt option + Turn option into module directly after other option + + commands can be repeated multiple times + +options: + --file .config file to change (default .config) + +config doesn't check the validity of the .config file. This is done at next + make time. +The options need to be already in the file before they can be changed, +but sometimes you can cheat with the --*-after options. +EOL + exit 1 +} + +checkarg() { + ARG="$1" + if [ "$ARG" = "" ] ; then + usage + fi + case "$ARG" in + CONFIG_*) + ARG="${ARG/CONFIG_/}" + ;; + esac + ARG="`echo $ARG | tr a-z A-Z`" +} + +replace() { + sed -i -e "$@" $FN +} + +if [ "$1" = "--file" ]; then + FN="$2" + if [ "$FN" = "" ] ; then + usage + fi + shift + shift +else + FN=.config +fi + +while [ "$1" != "" ] ; do + CMD="$1" + shift + case "$CMD" in + --enable|-e) + checkarg "$1" + replace "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/" + shift + ;; + + --disable|-d) + checkarg "$1" + replace "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/" + shift + ;; + + --module|-m) + checkarg "$1" + replace "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \ + -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/" + shift + ;; + + --state|-s) + checkarg "$1" + if grep -q "# CONFIG_$ARG is not set" $FN ; then + echo n + else + V="$(grep "^CONFIG_$ARG=" $FN)" + if [ $? != 0 ] ; then + echo undef + else + V="${V/CONFIG_$ARG=/}" + V="${V/\"/}" + echo "$V" + fi + fi + shift + ;; + + --enable-after|-E) + checkarg "$1" + A=$ARG + checkarg "$2" + B=$ARG + replace "/CONFIG_$A=[my]/aCONFIG_$B=y" \ + -e "/# CONFIG_$ARG is not set/a/CONFIG_$ARG=y" \ + -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/" + shift + shift + ;; + + --disable-after|-D) + checkarg "$1" + A=$ARG + checkarg "$2" + B=$ARG + replace "/CONFIG_$A=[my]/a# CONFIG_$B is not set" \ + -e "/# CONFIG_$ARG is not set/a/# CONFIG_$ARG is not set" \ + -e "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/" + shift + shift + ;; + + --module-after|-M) + checkarg "$1" + A=$ARG + checkarg "$2" + B=$ARG + replace "/CONFIG_$A=[my]/aCONFIG_$B=m" \ + -e "/# CONFIG_$ARG is not set/a/CONFIG_$ARG=m" \ + -e "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \ + -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/" + shift + shift + ;; + + # undocumented because it ignores --file (fixme) + --refresh) + yes "" | make oldconfig + ;; + + *) + usage + ;; + esac +done + |