soc-dts-diff

#!/bin/bash

# © Copyright 2018 by Geert Uytterhoeven
#
# This file is subject to the terms and conditions of the GNU General Public
# License.

set -e

function usage()
{
        cat <<END

Usage: $(basename $0) [options...] <dts1> <dts2>

END
	exit -1
}

function get_soc()
{
	local soc

	soc=$(basename $1)

	# Strip vendor prefix
	case $soc in
	*,*)
		soc=${soc##*,}
		;;
	esac

	case $soc in
	pfc-*.c|pinctrl-*.c)
		soc=${soc##*-}
		soc=${soc%.c}
		;;

	*)
		soc=${soc%%[-.]*}
		;;
	esac

	echo $soc
}

options=-u

for i in $*; do
	case $i in
	-*)
		options="$options $i"
		;;

	*)
		if [ "$dts1" == "" ]; then
			dts1=$i
		elif [ "$dts2" == "" ]; then
			dts2=$i
		else
			usage
		fi
		;;
	esac
done

if [ "$dts1" == "" -o "$dts2" == "" ]; then
	usage
fi

soc1=$(get_soc $dts1)
soc2=$(get_soc $dts2)

colordiff $options \
	--label $dts1 <(sed -e "s/$soc1/<SOC>/gi" $dts1) \
	--label $dts2 <(sed -e "s/$soc2/<SOC>/gi" $dts2)