2 # Manipulate options in a .config file from the command line
6 Manipulate options in a .config file from the command line.
8 config options command ...
10 --enable|-e option Enable option
11 --disable|-d option Disable option
12 --module|-m option Turn option into a module
13 --set-str option string
14 Set option to "string"
15 --set-val option value
17 --state|-s option Print state of option (n,y,m,undef)
19 --enable-after|-E beforeopt option
20 Enable option directly after other option
21 --disable-after|-D beforeopt option
22 Disable option directly after other option
23 --module-after|-M beforeopt option
24 Turn option into module directly after other option
26 commands can be repeated multiple times
29 --file .config file to change (default .config)
31 config doesn't check the validity of the .config file. This is done at next
39 if [ "$ARG" = "" ] ; then
47 ARG
="`echo $ARG | tr a-z A-Z`"
51 local name
=$1 new
=$2 before
=$3
53 name_re
="^($name=|# $name is not set)"
54 before_re
="^($before=|# $before is not set)"
55 if test -n "$before" && grep -Eq "$before_re" "$FN"; then
56 sed -ri "/$before_re/a $new" "$FN"
57 elif grep -Eq "$name_re" "$FN"; then
58 sed -ri "s:$name_re.*:$new:" "$FN"
64 if [ "$1" = "--file" ]; then
66 if [ "$FN" = "" ] ; then
74 if [ "$1" = "" ] ; then
78 while [ "$1" != "" ] ; do
98 set_var
"CONFIG_$ARG" "CONFIG_$ARG=y"
102 set_var
"CONFIG_$ARG" "# CONFIG_$ARG is not set"
106 set_var
"CONFIG_$ARG" "CONFIG_$ARG=m"
110 set_var
"CONFIG_$ARG" "CONFIG_$ARG=\"$1\""
115 set_var
"CONFIG_$ARG" "CONFIG_$ARG=$1"
120 if grep -q "# CONFIG_$ARG is not set" $FN ; then
123 V
="$(grep "^CONFIG_
$ARG=" $FN)"
124 if [ $?
!= 0 ] ; then
127 V
="${V/CONFIG_$ARG=/}"
135 set_var
"CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"
139 set_var
"CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"
143 set_var
"CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"
146 # undocumented because it ignores --file (fixme)
148 yes "" |
make oldconfig
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