This patch adds command line option '--if-undef' which replaces string 'undef' in output of next command '--state' with whatever you want.
Also it adds grep key -s to suppress error messages about nonexistent file. Signed-off-by: Konstantin Khlebnikov <[email protected]> --- scripts/config | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/scripts/config b/scripts/config index 026aeb4..178652c 100755 --- a/scripts/config +++ b/scripts/config @@ -6,6 +6,9 @@ myname=${0##*/} # If no prefix forced, use the default CONFIG_ CONFIG_="${CONFIG_-CONFIG_}" +# Output for undefined options +UNDEF="undef" + usage() { cat >&2 <<EOL Manipulate options in a .config file from the command line. @@ -34,6 +37,7 @@ commands: options: --file config-file .config file to change (default .config) --keep-case|-k Keep next symbols' case (dont' upper-case it) + --if-undef string Print this string instead of state "undef" $myname doesn't check the validity of the .config file. This is done at next make time. @@ -152,6 +156,11 @@ while [ "$1" != "" ] ; do B=$ARG shift 2 ;; + --if-undef) + UNDEF=$1 + shift + continue + ;; -*) checkarg "$1" shift @@ -185,12 +194,12 @@ while [ "$1" != "" ] ; do ;; --state|-s) - if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then + if grep -sq "# ${CONFIG_}$ARG is not set" $FN ; then echo n else - V="$(grep "^${CONFIG_}$ARG=" $FN)" + V="$(grep -s "^${CONFIG_}$ARG=" $FN)" if [ $? != 0 ] ; then - echo undef + echo "${UNDEF}" else V="${V/#${CONFIG_}$ARG=/}" V="${V/#\"/}" -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
