1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3 4if [ $# -eq 1 ] ; then 5 OUTPUT=$1 6fi 7 8GVF=${OUTPUT}PERF-VERSION-FILE 9 10LF=' 11' 12 13# 14# First check if there is a .git to get the version from git describe 15# otherwise try to get the version from the kernel Makefile 16# 17CID= 18TAG= 19if test -d ../../.git -o -f ../../.git 20then 21 TAG=$(git describe --abbrev=0 --match "v[0-9].[0-9]*" 2>/dev/null ) 22 CID=$(git log -1 --abbrev=12 --pretty=format:"%h" 2>/dev/null) && CID="-g$CID" 23elif test -f ../../PERF-VERSION-FILE 24then 25 TAG=$(cut -d' ' -f3 ../../PERF-VERSION-FILE | sed -e 's/\"//g') 26fi 27if test -z "$TAG" 28then 29 TAG=$(MAKEFLAGS= make -sC ../.. kernelversion) 30fi 31VN="$TAG$CID" 32if test -n "$CID" 33then 34 # format version string, strip trailing zero of sublevel: 35 VN=$(echo "$VN" | sed -e 's/-/./g;s/\([0-9]*[.][0-9]*\)[.]0/\1/') 36fi 37 38VN=$(expr "$VN" : v*'\(.*\)') 39 40if test -r $GVF 41then 42 VC=$(sed -e 's/^#define PERF_VERSION "\(.*\)"/\1/' <$GVF) 43else 44 VC=unset 45fi 46test "$VN" = "$VC" || { 47 echo >&2 " PERF_VERSION = $VN" 48 echo "#define PERF_VERSION \"$VN\"" >$GVF 49} 50 51 52