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