1d62c9833SPaul E. McKenney#!/bin/bash 2fef141f6SPaul E. McKenney# SPDX-License-Identifier: GPL-2.0+ 3d62c9833SPaul E. McKenney# 4d62c9833SPaul E. McKenney# config_override.sh base override 5d62c9833SPaul E. McKenney# 6d62c9833SPaul E. McKenney# Combines base and override, removing any Kconfig options from base 7d62c9833SPaul E. McKenney# that conflict with any in override, concatenating what remains and 8d62c9833SPaul E. McKenney# sending the result to standard output. 9d62c9833SPaul E. McKenney# 10d62c9833SPaul E. McKenney# Copyright (C) IBM Corporation, 2017 11d62c9833SPaul E. McKenney# 12fef141f6SPaul E. McKenney# Authors: Paul E. McKenney <paulmck@linux.ibm.com> 13d62c9833SPaul E. McKenney 14d62c9833SPaul E. McKenneybase=$1 15d62c9833SPaul E. McKenneyif test -r $base 16d62c9833SPaul E. McKenneythen 17d62c9833SPaul E. McKenney : 18d62c9833SPaul E. McKenneyelse 19d62c9833SPaul E. McKenney echo Base file $base unreadable!!! 20d62c9833SPaul E. McKenney exit 1 21d62c9833SPaul E. McKenneyfi 22d62c9833SPaul E. McKenney 23d62c9833SPaul E. McKenneyoverride=$2 24d62c9833SPaul E. McKenneyif test -r $override 25d62c9833SPaul E. McKenneythen 26d62c9833SPaul E. McKenney : 27d62c9833SPaul E. McKenneyelse 28d62c9833SPaul E. McKenney echo Override file $override unreadable!!! 29d62c9833SPaul E. McKenney exit 1 30d62c9833SPaul E. McKenneyfi 31d62c9833SPaul E. McKenney 32*c211ae9cSPaul E. McKenneyT="`mktemp -d ${TMPDIR-/tmp}/config_override.sh.XXXXXX`" 33d62c9833SPaul E. McKenneytrap 'rm -rf $T' 0 34d62c9833SPaul E. McKenney 35d62c9833SPaul E. McKenneysed < $override -e 's/^/grep -v "/' -e 's/=.*$/="/' | 36d62c9833SPaul E. McKenney awk ' 37d62c9833SPaul E. McKenney { 38d62c9833SPaul E. McKenney if (last) 39d62c9833SPaul E. McKenney print last " |"; 40d62c9833SPaul E. McKenney last = $0; 41d62c9833SPaul E. McKenney } 42d62c9833SPaul E. McKenney END { 43d62c9833SPaul E. McKenney if (last) 44d62c9833SPaul E. McKenney print last; 45d62c9833SPaul E. McKenney }' > $T/script 46d62c9833SPaul E. McKenneysh $T/script < $base 47d62c9833SPaul E. McKenneycat $override 48