Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237#!/usr/bin/env bash# SPDX-License-Identifier: GPL-2.0# Manipulate options in a .config file from the command line
myname=${0##*/}
# If no prefix forced, use the default CONFIG_CONFIG_="${CONFIG_-CONFIG_}"
# We use an uncommon delimiter for sed substitutionsSED_DELIM=$(echo -en "\001")
usage() { cat >&2 <<EOLManipulate options in a .config file from the command line.Usage:$myname options command ...commands: --enable|-e option Enable option --disable|-d option Disable option --module|-m option Turn option into a module --set-str option string Set option to "string" --set-val option value Set option to value --undefine|-u option Undefine option --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 --refresh Refresh the config using old settings
commands can be repeated multiple times
options: --file config-file .config file to change (default .config) --keep-case|-k Keep next symbols' case (dont' upper-case it)
$myname doesn't check the validity of the .config file. This is done at nextmake time.
By default, $myname will upper-case the given symbol. Use --keep-case to keepthe case of all following symbols unchanged.
$myname uses 'CONFIG_' as the default symbol prefix. Set the environmentvariable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" $myname ...EOL exit 1}
checkarg() { ARG="$1" if [ "$ARG" = "" ] ; then usage fi case "$ARG" in ${CONFIG_}*) ARG="${ARG/${CONFIG_}/}" ;; esac if [ "$MUNGE_CASE" = "yes" ] ; then ARG="`echo $ARG | tr a-z A-Z`" fi}
txt_append() { local anchor="$1" local insert="$2" local infile="$3" local tmpfile="$infile.swp"
# sed append cmd: 'a\' + newline + text + newline cmd="$(printf "a\\%b$insert" "\n")"
sed -e "/$anchor/$cmd" "$infile" >"$tmpfile" # replace original file with the edited one mv "$tmpfile" "$infile"}
txt_subst() { local before="$1" local after="$2" local infile="$3" local tmpfile="$infile.swp"
sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile" # replace original file with the edited one mv "$tmpfile" "$infile"}
txt_delete() { local text="$1" local infile="$2" local tmpfile="$infile.swp"
sed -e "/$text/d" "$infile" >"$tmpfile" # replace original file with the edited one mv "$tmpfile" "$infile"}
set_var() { local name=$1 new=$2 before=$3
name_re="^($name=|# $name is not set)" before_re="^($before=|# $before is not set)" if test -n "$before" && grep -Eq "$before_re" "$FN"; then txt_append "^$before=" "$new" "$FN" txt_append "^# $before is not set" "$new" "$FN" elif grep -Eq "$name_re" "$FN"; then txt_subst "^$name=.*" "$new" "$FN" txt_subst "^# $name is not set" "$new" "$FN" else echo "$new" >>"$FN" fi}
undef_var() { local name=$1
txt_delete "^$name=" "$FN" txt_delete "^# $name is not set" "$FN"}
FN=.configCMDS=()while [[ $# -gt 0 ]]; do if [ "$1" = "--file" ]; then if [ "$2" = "" ]; then usage fi FN="$2" shift 2 else CMDS+=("$1") shift fidone
set -- "${CMDS[@]}"if [ "$1" = "" ] ; then usagefi
MUNGE_CASE=yeswhile [ "$1" != "" ] ; do CMD="$1" shift case "$CMD" in --keep-case|-k) MUNGE_CASE=no continue ;; --refresh) ;; --*-after|-E|-D|-M) checkarg "$1" A=$ARG checkarg "$2" B=$ARG shift 2 ;; -*) checkarg "$1" shift ;; esac case "$CMD" in --enable|-e) set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y" ;;
--disable|-d) set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set" ;;
--module|-m) set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m" ;;
--set-str) # sed swallows one level of escaping, so we need double-escaping set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\"" shift ;;
--set-val) set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1" shift ;; --undefine|-u) undef_var "${CONFIG_}$ARG" ;;
--state|-s) 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="${V/#\"/}" V="${V/%\"/}" V="${V//\\\"/\"}" echo "${V}" fi fi ;;
--enable-after|-E) set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A" ;;
--disable-after|-D) set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A" ;;
--module-after|-M) set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A" ;;
--refresh) yes "" | make oldconfig KCONFIG_CONFIG=$FN ;;
*) echo "bad command: $CMD" >&2 usage ;; esacdone