diff options
Diffstat (limited to 'scripts/config')
| -rwxr-xr-x | scripts/config | 62 |
1 files changed, 45 insertions, 17 deletions
diff --git a/scripts/config b/scripts/config index ed6653ef970..ee355394f4e 100755 --- a/scripts/config +++ b/scripts/config @@ -1,6 +1,9 @@ #!/bin/bash # Manipulate options in a .config file from the command line +# If no prefix forced, use the default CONFIG_ +CONFIG_="${CONFIG_-CONFIG_}" + usage() { cat >&2 <<EOL Manipulate options in a .config file from the command line. @@ -14,6 +17,7 @@ commands: Set option to "string" --set-val option value Set option to value + --undefine|-u option Undefine option --state|-s option Print state of option (n,y,m,undef) --enable-after|-E beforeopt option @@ -26,10 +30,17 @@ commands: commands can be repeated multiple times options: - --file .config file to change (default .config) + --file config-file .config file to change (default .config) + --keep-case|-k Keep next symbols' case (dont' upper-case it) config doesn't check the validity of the .config file. This is done at next - make time. +make time. + +By default, config will upper-case the given symbol. Use --keep-case to keep +the case of all following symbols unchanged. + +config uses 'CONFIG_' as the default symbol prefix. Set the environment +variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" config ... EOL exit 1 } @@ -40,11 +51,13 @@ checkarg() { usage fi case "$ARG" in - CONFIG_*) - ARG="${ARG/CONFIG_/}" + ${CONFIG_}*) + ARG="${ARG/${CONFIG_}/}" ;; esac - ARG="`echo $ARG | tr a-z A-Z`" + if [ "$MUNGE_CASE" = "yes" ] ; then + ARG="`echo $ARG | tr a-z A-Z`" + fi } set_var() { @@ -61,6 +74,12 @@ set_var() { fi } +undef_var() { + local name=$1 + + sed -ri "/^($name=|# $name is not set)/d" "$FN" +} + if [ "$1" = "--file" ]; then FN="$2" if [ "$FN" = "" ] ; then @@ -75,10 +94,16 @@ if [ "$1" = "" ] ; then usage fi +MUNGE_CASE=yes while [ "$1" != "" ] ; do CMD="$1" shift case "$CMD" in + --keep-case|-k) + MUNGE_CASE=no + shift + continue + ;; --refresh) ;; --*-after) @@ -95,55 +120,58 @@ while [ "$1" != "" ] ; do esac case "$CMD" in --enable|-e) - set_var "CONFIG_$ARG" "CONFIG_$ARG=y" + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y" ;; --disable|-d) - set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set" + set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set" ;; --module|-m) - set_var "CONFIG_$ARG" "CONFIG_$ARG=m" + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m" ;; --set-str) # sed swallows one level of escaping, so we need double-escaping - set_var "CONFIG_$ARG" "CONFIG_$ARG=\"${1//\"/\\\\\"}\"" + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\"" shift ;; --set-val) - set_var "CONFIG_$ARG" "CONFIG_$ARG=$1" + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1" shift ;; + --undefine|-u) + undef_var "${CONFIG_}$ARG" + ;; --state|-s) - if grep -q "# CONFIG_$ARG is not set" $FN ; then + if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then echo n else - V="$(grep "^CONFIG_$ARG=" $FN)" + V="$(grep "^${CONFIG_}$ARG=" $FN)" if [ $? != 0 ] ; then echo undef else - V="${V/#CONFIG_$ARG=/}" + V="${V/#${CONFIG_}$ARG=/}" V="${V/#\"/}" V="${V/%\"/}" - V="${V/\\\"/\"}" + V="${V//\\\"/\"}" echo "${V}" fi fi ;; --enable-after|-E) - set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A" + set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A" ;; --disable-after|-D) - set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A" + set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A" ;; --module-after|-M) - set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A" + set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A" ;; # undocumented because it ignores --file (fixme) |