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-rwxr-xr-xscripts/config87
1 files changed, 41 insertions, 46 deletions
diff --git a/scripts/config b/scripts/config
index db6084b78a1..608d7fdb13e 100755
--- a/scripts/config
+++ b/scripts/config
@@ -9,8 +9,10 @@ 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)
+ --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
@@ -26,8 +28,6 @@ options:
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
}
@@ -45,8 +45,18 @@ checkarg() {
ARG="`echo $ARG | tr a-z A-Z`"
}
-replace() {
- sed -i -e "$@" $FN
+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
@@ -54,8 +64,7 @@ if [ "$1" = "--file" ]; then
if [ "$FN" = "" ] ; then
usage
fi
- shift
- shift
+ shift 2
else
FN=.config
fi
@@ -68,27 +77,39 @@ while [ "$1" != "" ] ; do
CMD="$1"
shift
case "$CMD" in
- --enable|-e)
+ --refresh)
+ ;;
+ --*-after)
+ checkarg "$1"
+ A=$ARG
+ checkarg "$2"
+ B=$ARG
+ shift 2
+ ;;
+ --*)
checkarg "$1"
- replace "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/"
shift
;;
+ esac
+ case "$CMD" in
+ --enable|-e)
+ set_var "CONFIG_$ARG" "CONFIG_$ARG=y"
+ ;;
--disable|-d)
- checkarg "$1"
- replace "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/"
- shift
+ set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set"
;;
--module|-m)
- checkarg "$1"
- replace "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \
- -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/"
+ set_var "CONFIG_$ARG" "CONFIG_$ARG=m"
+ ;;
+
+ --set-str)
+ set_var "CONFIG_$ARG" "CONFIG_$ARG=\"$1\""
shift
;;
--state|-s)
- checkarg "$1"
if grep -q "# CONFIG_$ARG is not set" $FN ; then
echo n
else
@@ -101,44 +122,18 @@ while [ "$1" != "" ] ; do
echo "$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
+ set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"
;;
--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
+ set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"
;;
--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
+ set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"
;;
# undocumented because it ignores --file (fixme)