18e54701eSAndi Kleen#!/bin/bash 28e54701eSAndi Kleen# Manipulate options in a .config file from the command line 38e54701eSAndi Kleen 48e54701eSAndi Kleenusage() { 58e54701eSAndi Kleen cat >&2 <<EOL 68e54701eSAndi KleenManipulate options in a .config file from the command line. 78e54701eSAndi KleenUsage: 88e54701eSAndi Kleenconfig options command ... 98e54701eSAndi Kleencommands: 108e54701eSAndi Kleen --enable|-e option Enable option 118e54701eSAndi Kleen --disable|-d option Disable option 128e54701eSAndi Kleen --module|-m option Turn option into a module 138e54701eSAndi Kleen --state|-s option Print state of option (n,y,m,undef) 148e54701eSAndi Kleen 158e54701eSAndi Kleen --enable-after|-E beforeopt option 168e54701eSAndi Kleen Enable option directly after other option 178e54701eSAndi Kleen --disable-after|-D beforeopt option 188e54701eSAndi Kleen Disable option directly after other option 198e54701eSAndi Kleen --module-after|-M beforeopt option 208e54701eSAndi Kleen Turn option into module directly after other option 218e54701eSAndi Kleen 228e54701eSAndi Kleen commands can be repeated multiple times 238e54701eSAndi Kleen 248e54701eSAndi Kleenoptions: 258e54701eSAndi Kleen --file .config file to change (default .config) 268e54701eSAndi Kleen 278e54701eSAndi Kleenconfig doesn't check the validity of the .config file. This is done at next 288e54701eSAndi Kleen make time. 298e54701eSAndi KleenEOL 308e54701eSAndi Kleen exit 1 318e54701eSAndi Kleen} 328e54701eSAndi Kleen 338e54701eSAndi Kleencheckarg() { 348e54701eSAndi Kleen ARG="$1" 358e54701eSAndi Kleen if [ "$ARG" = "" ] ; then 368e54701eSAndi Kleen usage 378e54701eSAndi Kleen fi 388e54701eSAndi Kleen case "$ARG" in 398e54701eSAndi Kleen CONFIG_*) 408e54701eSAndi Kleen ARG="${ARG/CONFIG_/}" 418e54701eSAndi Kleen ;; 428e54701eSAndi Kleen esac 438e54701eSAndi Kleen ARG="`echo $ARG | tr a-z A-Z`" 448e54701eSAndi Kleen} 458e54701eSAndi Kleen 4656643222SMichal Marekset_var() { 4756643222SMichal Marek local name=$1 new=$2 before=$3 4856643222SMichal Marek 4956643222SMichal Marek name_re="^($name=|# $name is not set)" 5056643222SMichal Marek before_re="^($before=|# $before is not set)" 5156643222SMichal Marek if test -n "$before" && grep -Eq "$before_re" "$FN"; then 5256643222SMichal Marek sed -ri "/$before_re/a $new" "$FN" 5356643222SMichal Marek elif grep -Eq "$name_re" "$FN"; then 5456643222SMichal Marek sed -ri "s:$name_re.*:$new:" "$FN" 5556643222SMichal Marek else 5656643222SMichal Marek echo "$new" >>"$FN" 5756643222SMichal Marek fi 588e54701eSAndi Kleen} 598e54701eSAndi Kleen 608e54701eSAndi Kleenif [ "$1" = "--file" ]; then 618e54701eSAndi Kleen FN="$2" 628e54701eSAndi Kleen if [ "$FN" = "" ] ; then 638e54701eSAndi Kleen usage 648e54701eSAndi Kleen fi 658e54701eSAndi Kleen shift 668e54701eSAndi Kleen shift 678e54701eSAndi Kleenelse 688e54701eSAndi Kleen FN=.config 698e54701eSAndi Kleenfi 708e54701eSAndi Kleen 712302e873SAndi Kleenif [ "$1" = "" ] ; then 722302e873SAndi Kleen usage 732302e873SAndi Kleenfi 742302e873SAndi Kleen 758e54701eSAndi Kleenwhile [ "$1" != "" ] ; do 768e54701eSAndi Kleen CMD="$1" 778e54701eSAndi Kleen shift 788e54701eSAndi Kleen case "$CMD" in 798e54701eSAndi Kleen --enable|-e) 808e54701eSAndi Kleen checkarg "$1" 8156643222SMichal Marek set_var "CONFIG_$ARG" "CONFIG_$ARG=y" 828e54701eSAndi Kleen shift 838e54701eSAndi Kleen ;; 848e54701eSAndi Kleen 858e54701eSAndi Kleen --disable|-d) 868e54701eSAndi Kleen checkarg "$1" 8756643222SMichal Marek set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set" 888e54701eSAndi Kleen shift 898e54701eSAndi Kleen ;; 908e54701eSAndi Kleen 918e54701eSAndi Kleen --module|-m) 928e54701eSAndi Kleen checkarg "$1" 9356643222SMichal Marek set_var "CONFIG_$ARG" "CONFIG_$ARG=m" 948e54701eSAndi Kleen shift 958e54701eSAndi Kleen ;; 968e54701eSAndi Kleen 978e54701eSAndi Kleen --state|-s) 988e54701eSAndi Kleen checkarg "$1" 998e54701eSAndi Kleen if grep -q "# CONFIG_$ARG is not set" $FN ; then 1008e54701eSAndi Kleen echo n 1018e54701eSAndi Kleen else 1028e54701eSAndi Kleen V="$(grep "^CONFIG_$ARG=" $FN)" 1038e54701eSAndi Kleen if [ $? != 0 ] ; then 1048e54701eSAndi Kleen echo undef 1058e54701eSAndi Kleen else 1068e54701eSAndi Kleen V="${V/CONFIG_$ARG=/}" 1078e54701eSAndi Kleen V="${V/\"/}" 1088e54701eSAndi Kleen echo "$V" 1098e54701eSAndi Kleen fi 1108e54701eSAndi Kleen fi 1118e54701eSAndi Kleen shift 1128e54701eSAndi Kleen ;; 1138e54701eSAndi Kleen 1148e54701eSAndi Kleen --enable-after|-E) 1158e54701eSAndi Kleen checkarg "$1" 1168e54701eSAndi Kleen A=$ARG 1178e54701eSAndi Kleen checkarg "$2" 1188e54701eSAndi Kleen B=$ARG 11956643222SMichal Marek set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A" 1208e54701eSAndi Kleen shift 1218e54701eSAndi Kleen shift 1228e54701eSAndi Kleen ;; 1238e54701eSAndi Kleen 1248e54701eSAndi Kleen --disable-after|-D) 1258e54701eSAndi Kleen checkarg "$1" 1268e54701eSAndi Kleen A=$ARG 1278e54701eSAndi Kleen checkarg "$2" 1288e54701eSAndi Kleen B=$ARG 12956643222SMichal Marek set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A" 1308e54701eSAndi Kleen shift 1318e54701eSAndi Kleen shift 1328e54701eSAndi Kleen ;; 1338e54701eSAndi Kleen 1348e54701eSAndi Kleen --module-after|-M) 1358e54701eSAndi Kleen checkarg "$1" 1368e54701eSAndi Kleen A=$ARG 1378e54701eSAndi Kleen checkarg "$2" 1388e54701eSAndi Kleen B=$ARG 13956643222SMichal Marek set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A" 1408e54701eSAndi Kleen shift 1418e54701eSAndi Kleen shift 1428e54701eSAndi Kleen ;; 1438e54701eSAndi Kleen 1448e54701eSAndi Kleen # undocumented because it ignores --file (fixme) 1458e54701eSAndi Kleen --refresh) 1468e54701eSAndi Kleen yes "" | make oldconfig 1478e54701eSAndi Kleen ;; 1488e54701eSAndi Kleen 1498e54701eSAndi Kleen *) 1508e54701eSAndi Kleen usage 1518e54701eSAndi Kleen ;; 1528e54701eSAndi Kleen esac 1538e54701eSAndi Kleendone 1548e54701eSAndi Kleen 155