blob: b3d2e7efa40cdedf5038d2b9bfa0c5060ab732bb [file] [log] [blame]
#!/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