18e54701eSAndi Kleen#!/bin/bash 28e54701eSAndi Kleen# Manipulate options in a .config file from the command line 38e54701eSAndi Kleen 473877785SClement Chauplannazmyname=${0##*/} 573877785SClement Chauplannaz 6f5ef2f7bSYann E. MORIN# If no prefix forced, use the default CONFIG_ 7f5ef2f7bSYann E. MORINCONFIG_="${CONFIG_-CONFIG_}" 8f5ef2f7bSYann E. MORIN 98e54701eSAndi Kleenusage() { 108e54701eSAndi Kleen cat >&2 <<EOL 118e54701eSAndi KleenManipulate options in a .config file from the command line. 128e54701eSAndi KleenUsage: 1373877785SClement Chauplannaz$myname options command ... 148e54701eSAndi Kleencommands: 158e54701eSAndi Kleen --enable|-e option Enable option 168e54701eSAndi Kleen --disable|-d option Disable option 178e54701eSAndi Kleen --module|-m option Turn option into a module 18f0a6332cSJonas Aaberg --set-str option string 19f0a6332cSJonas Aaberg Set option to "string" 20f0a6332cSJonas Aaberg --set-val option value 21f0a6332cSJonas Aaberg Set option to value 22d5bfb6b3SYann E. MORIN --undefine|-u option Undefine option 238e54701eSAndi Kleen --state|-s option Print state of option (n,y,m,undef) 248e54701eSAndi Kleen 258e54701eSAndi Kleen --enable-after|-E beforeopt option 268e54701eSAndi Kleen Enable option directly after other option 278e54701eSAndi Kleen --disable-after|-D beforeopt option 288e54701eSAndi Kleen Disable option directly after other option 298e54701eSAndi Kleen --module-after|-M beforeopt option 308e54701eSAndi Kleen Turn option into module directly after other option 318e54701eSAndi Kleen 328e54701eSAndi Kleen commands can be repeated multiple times 338e54701eSAndi Kleen 348e54701eSAndi Kleenoptions: 354edc7e32SYann E. MORIN --file config-file .config file to change (default .config) 364edc7e32SYann E. MORIN --keep-case|-k Keep next symbols' case (dont' upper-case it) 378e54701eSAndi Kleen 3873877785SClement Chauplannaz$myname doesn't check the validity of the .config file. This is done at next 398e54701eSAndi Kleenmake time. 404edc7e32SYann E. MORIN 4173877785SClement ChauplannazBy default, $myname will upper-case the given symbol. Use --keep-case to keep 424edc7e32SYann E. MORINthe case of all following symbols unchanged. 43f5ef2f7bSYann E. MORIN 4473877785SClement Chauplannaz$myname uses 'CONFIG_' as the default symbol prefix. Set the environment 4573877785SClement Chauplannazvariable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" $myname ... 468e54701eSAndi KleenEOL 478e54701eSAndi Kleen exit 1 488e54701eSAndi Kleen} 498e54701eSAndi Kleen 508e54701eSAndi Kleencheckarg() { 518e54701eSAndi Kleen ARG="$1" 528e54701eSAndi Kleen if [ "$ARG" = "" ] ; then 538e54701eSAndi Kleen usage 548e54701eSAndi Kleen fi 558e54701eSAndi Kleen case "$ARG" in 56f5ef2f7bSYann E. MORIN ${CONFIG_}*) 57f5ef2f7bSYann E. MORIN ARG="${ARG/${CONFIG_}/}" 588e54701eSAndi Kleen ;; 598e54701eSAndi Kleen esac 604edc7e32SYann E. MORIN if [ "$MUNGE_CASE" = "yes" ] ; then 618e54701eSAndi Kleen ARG="`echo $ARG | tr a-z A-Z`" 624edc7e32SYann E. MORIN fi 638e54701eSAndi Kleen} 648e54701eSAndi Kleen 6556643222SMichal Marekset_var() { 6656643222SMichal Marek local name=$1 new=$2 before=$3 6756643222SMichal Marek 6856643222SMichal Marek name_re="^($name=|# $name is not set)" 6956643222SMichal Marek before_re="^($before=|# $before is not set)" 7056643222SMichal Marek if test -n "$before" && grep -Eq "$before_re" "$FN"; then 7156643222SMichal Marek sed -ri "/$before_re/a $new" "$FN" 7256643222SMichal Marek elif grep -Eq "$name_re" "$FN"; then 7356643222SMichal Marek sed -ri "s:$name_re.*:$new:" "$FN" 7456643222SMichal Marek else 7556643222SMichal Marek echo "$new" >>"$FN" 7656643222SMichal Marek fi 778e54701eSAndi Kleen} 788e54701eSAndi Kleen 79d5bfb6b3SYann E. MORINundef_var() { 80d5bfb6b3SYann E. MORIN local name=$1 81d5bfb6b3SYann E. MORIN 82d5bfb6b3SYann E. MORIN sed -ri "/^($name=|# $name is not set)/d" "$FN" 83d5bfb6b3SYann E. MORIN} 84d5bfb6b3SYann E. MORIN 858e54701eSAndi Kleenif [ "$1" = "--file" ]; then 868e54701eSAndi Kleen FN="$2" 878e54701eSAndi Kleen if [ "$FN" = "" ] ; then 888e54701eSAndi Kleen usage 898e54701eSAndi Kleen fi 9047312d2cSMichal Marek shift 2 918e54701eSAndi Kleenelse 928e54701eSAndi Kleen FN=.config 938e54701eSAndi Kleenfi 948e54701eSAndi Kleen 952302e873SAndi Kleenif [ "$1" = "" ] ; then 962302e873SAndi Kleen usage 972302e873SAndi Kleenfi 982302e873SAndi Kleen 994edc7e32SYann E. MORINMUNGE_CASE=yes 1008e54701eSAndi Kleenwhile [ "$1" != "" ] ; do 1018e54701eSAndi Kleen CMD="$1" 1028e54701eSAndi Kleen shift 1038e54701eSAndi Kleen case "$CMD" in 1044edc7e32SYann E. MORIN --keep-case|-k) 1054edc7e32SYann E. MORIN MUNGE_CASE=no 1064edc7e32SYann E. MORIN continue 1074edc7e32SYann E. MORIN ;; 10847312d2cSMichal Marek --refresh) 10947312d2cSMichal Marek ;; 11047312d2cSMichal Marek --*-after) 1118e54701eSAndi Kleen checkarg "$1" 11247312d2cSMichal Marek A=$ARG 11347312d2cSMichal Marek checkarg "$2" 11447312d2cSMichal Marek B=$ARG 11547312d2cSMichal Marek shift 2 11647312d2cSMichal Marek ;; 11745f53cc9SAndi Kleen -*) 11847312d2cSMichal Marek checkarg "$1" 1198e54701eSAndi Kleen shift 1208e54701eSAndi Kleen ;; 12147312d2cSMichal Marek esac 12247312d2cSMichal Marek case "$CMD" in 12347312d2cSMichal Marek --enable|-e) 124f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y" 12547312d2cSMichal Marek ;; 1268e54701eSAndi Kleen 1278e54701eSAndi Kleen --disable|-d) 128f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set" 1298e54701eSAndi Kleen ;; 1308e54701eSAndi Kleen 1318e54701eSAndi Kleen --module|-m) 132f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m" 1338e54701eSAndi Kleen ;; 1348e54701eSAndi Kleen 1351f990cf9SMichal Marek --set-str) 136d6686da8SYann E. MORIN # sed swallows one level of escaping, so we need double-escaping 137f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\"" 1381f990cf9SMichal Marek shift 1391f990cf9SMichal Marek ;; 1401f990cf9SMichal Marek 141f0a6332cSJonas Aaberg --set-val) 142f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1" 143f0a6332cSJonas Aaberg shift 144f0a6332cSJonas Aaberg ;; 145d5bfb6b3SYann E. MORIN --undefine|-u) 146d5bfb6b3SYann E. MORIN undef_var "${CONFIG_}$ARG" 147d5bfb6b3SYann E. MORIN ;; 148f0a6332cSJonas Aaberg 1498e54701eSAndi Kleen --state|-s) 150f5ef2f7bSYann E. MORIN if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then 1518e54701eSAndi Kleen echo n 1528e54701eSAndi Kleen else 153f5ef2f7bSYann E. MORIN V="$(grep "^${CONFIG_}$ARG=" $FN)" 1548e54701eSAndi Kleen if [ $? != 0 ] ; then 1558e54701eSAndi Kleen echo undef 1568e54701eSAndi Kleen else 157f5ef2f7bSYann E. MORIN V="${V/#${CONFIG_}$ARG=/}" 158d6686da8SYann E. MORIN V="${V/#\"/}" 159d6686da8SYann E. MORIN V="${V/%\"/}" 1601925a276SYann E. MORIN V="${V//\\\"/\"}" 161d6686da8SYann E. MORIN echo "${V}" 1628e54701eSAndi Kleen fi 1638e54701eSAndi Kleen fi 1648e54701eSAndi Kleen ;; 1658e54701eSAndi Kleen 1668e54701eSAndi Kleen --enable-after|-E) 167f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A" 1688e54701eSAndi Kleen ;; 1698e54701eSAndi Kleen 1708e54701eSAndi Kleen --disable-after|-D) 171f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A" 1728e54701eSAndi Kleen ;; 1738e54701eSAndi Kleen 1748e54701eSAndi Kleen --module-after|-M) 175f5ef2f7bSYann E. MORIN set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A" 1768e54701eSAndi Kleen ;; 1778e54701eSAndi Kleen 1788e54701eSAndi Kleen # undocumented because it ignores --file (fixme) 1798e54701eSAndi Kleen --refresh) 1808e54701eSAndi Kleen yes "" | make oldconfig 1818e54701eSAndi Kleen ;; 1828e54701eSAndi Kleen 1838e54701eSAndi Kleen *) 1848e54701eSAndi Kleen usage 1858e54701eSAndi Kleen ;; 1868e54701eSAndi Kleen esac 1878e54701eSAndi Kleendone 1888e54701eSAndi Kleen 189