1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0+
3#
4# dtc-version dtc-command
5#
6# Prints the dtc version of `dtc-command' in a canonical 6-digit form
7# such as `010404'  for dtc 1.4.4
8#
9
10dtc="$*"
11
12if [ ${#dtc} -eq 0 ]; then
13	echo "Error: No dtc command specified"
14	printf "Usage:\n\t$0 <dtc-command>\n"
15	exit 1
16fi
17
18if ! which $dtc >/dev/null ; then
19	echo "Error: Cannot find dtc: $dtc"
20	exit 1
21fi
22
23MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1)
24MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2)
25PATCH=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 3 | cut -d - -f 1)
26
27printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCH
28