150 lines
2.6 KiB
Bash
150 lines
2.6 KiB
Bash
#!/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
|
|
--set-str option value
|
|
Set option to "value"
|
|
--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.
|
|
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`"
|
|
}
|
|
|
|
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
|
|
sed -ri "/$before_re/a $new" "$FN"
|
|
elif grep -Eq "$name_re" "$FN"; then
|
|
sed -ri "s:$name_re.*:$new:" "$FN"
|
|
else
|
|
echo "$new" >>"$FN"
|
|
fi
|
|
}
|
|
|
|
if [ "$1" = "--file" ]; then
|
|
FN="$2"
|
|
if [ "$FN" = "" ] ; then
|
|
usage
|
|
fi
|
|
shift 2
|
|
else
|
|
FN=.config
|
|
fi
|
|
|
|
if [ "$1" = "" ] ; then
|
|
usage
|
|
fi
|
|
|
|
while [ "$1" != "" ] ; do
|
|
CMD="$1"
|
|
shift
|
|
case "$CMD" in
|
|
--refresh)
|
|
;;
|
|
--*-after)
|
|
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)
|
|
set_var "CONFIG_$ARG" "CONFIG_$ARG=\"$1\""
|
|
shift
|
|
;;
|
|
|
|
--state|-s)
|
|
if grep -q "# CONFIG_$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/\"/}"
|
|
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"
|
|
;;
|
|
|
|
# undocumented because it ignores --file (fixme)
|
|
--refresh)
|
|
yes "" | make oldconfig
|
|
;;
|
|
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
done
|
|
|