1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3#
4# Script which prints out the version to use for building cpupowerutils.
5# Must be called from tools/power/cpupower/
6# 
7# Heavily based on tools/perf/util/PERF-VERSION-GEN .
8
9LF='
10'
11
12# First check if there is a .git to get the version from git describe
13# otherwise try to get the version from the kernel makefile
14if test -d ../../../.git -o -f ../../../.git &&
15	VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
16	case "$VN" in
17	*$LF*) (exit 1) ;;
18	v[0-9]*)
19		git update-index -q --refresh
20		test -z "$(git diff-index --name-only HEAD --)" ||
21		VN="$VN-dirty" ;;
22	esac
23then
24	VN=$(echo "$VN" | sed -e 's/-/./g');
25else
26	eval $(grep '^VERSION[[:space:]]*=' ../../../Makefile|tr -d ' ')
27	eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../../Makefile|tr -d ' ')
28	eval $(grep '^SUBLEVEL[[:space:]]*=' ../../../Makefile|tr -d ' ')
29	eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../../Makefile|tr -d ' ')
30
31	VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
32fi
33
34VN=$(expr "$VN" : v*'\(.*\)')
35
36echo $VN
37