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@@ -26,8 +26,6 @@ options:
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config doesn't check the validity of the .config file. This is done at next
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make time.
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-The options need to be already in the file before they can be changed,
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-but sometimes you can cheat with the --*-after options.
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EOL
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exit 1
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}
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@@ -45,8 +43,18 @@ checkarg() {
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ARG="`echo $ARG | tr a-z A-Z`"
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}
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-replace() {
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- sed -i -e "$@" $FN
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+set_var() {
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+ local name=$1 new=$2 before=$3
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+
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+ name_re="^($name=|# $name is not set)"
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+ before_re="^($before=|# $before is not set)"
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+ if test -n "$before" && grep -Eq "$before_re" "$FN"; then
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+ sed -ri "/$before_re/a $new" "$FN"
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+ elif grep -Eq "$name_re" "$FN"; then
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+ sed -ri "s:$name_re.*:$new:" "$FN"
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+ else
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+ echo "$new" >>"$FN"
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+ fi
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}
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if [ "$1" = "--file" ]; then
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@@ -70,20 +78,19 @@ while [ "$1" != "" ] ; do
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case "$CMD" in
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--enable|-e)
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checkarg "$1"
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- replace "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/"
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+ set_var "CONFIG_$ARG" "CONFIG_$ARG=y"
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shift
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;;
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--disable|-d)
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checkarg "$1"
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- replace "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/"
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+ set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set"
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shift
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;;
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--module|-m)
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checkarg "$1"
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- replace "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \
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- -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/"
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+ set_var "CONFIG_$ARG" "CONFIG_$ARG=m"
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shift
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;;
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@@ -109,9 +116,7 @@ while [ "$1" != "" ] ; do
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A=$ARG
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checkarg "$2"
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B=$ARG
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- replace "/CONFIG_$A=[my]/aCONFIG_$B=y" \
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- -e "/# CONFIG_$ARG is not set/a/CONFIG_$ARG=y" \
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- -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/"
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+ set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"
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shift
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shift
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;;
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@@ -121,9 +126,7 @@ while [ "$1" != "" ] ; do
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A=$ARG
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checkarg "$2"
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B=$ARG
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- replace "/CONFIG_$A=[my]/a# CONFIG_$B is not set" \
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- -e "/# CONFIG_$ARG is not set/a/# CONFIG_$ARG is not set" \
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- -e "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/"
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+ set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"
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shift
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shift
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;;
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@@ -133,10 +136,7 @@ while [ "$1" != "" ] ; do
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A=$ARG
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checkarg "$2"
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B=$ARG
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- replace "/CONFIG_$A=[my]/aCONFIG_$B=m" \
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- -e "/# CONFIG_$ARG is not set/a/CONFIG_$ARG=m" \
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- -e "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \
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- -e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/"
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+ set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"
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shift
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shift
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;;
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