name : config_override.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0+ # # config_override.sh base override # # Combines base and override, removing any Kconfig options from base # that conflict with any in override, concatenating what remains and # sending the result to standard output. # # Copyright (C) IBM Corporation, 2017 # # Authors: Paul E. McKenney <paulmck@linux.ibm.com> base=$1 if test -r $base then : else echo Base file $base unreadable!!! exit 1 fi override=$2 if test -r $override then : else echo Override file $override unreadable!!! exit 1 fi T="`mktemp -d ${TMPDIR-/tmp}/config_override.sh.XXXXXX`" trap 'rm -rf $T' 0 sed < $override -e 's/^/grep -v "/' -e 's/=.*$/="/' | awk ' { if (last) print last " |"; last = $0; } END { if (last) print last; }' > $T/script sh $T/script < $base cat $override