1 #!/bin/sh 2 3 if [ $# -eq 1 ] ; then 4 OUTPUT=$1 5 fi 6 7 GVF=${OUTPUT}PERF-VERSION-FILE 8 9 LF=' 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 14 if 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="$VN-dirty" ;; 22 esac 23 then 24 VN=$(echo "$VN" | sed -e 's/-/./g'); 25 else 26 VN=$(MAKEFLAGS= make -sC ../.. kernelversion) 27 fi 28 29 VN=$(expr "$VN" : v*'\(.*\)') 30 31 if test -r $GVF 32 then 33 VC=$(sed -e 's/^PERF_VERSION = //' <$GVF) 34 else 35 VC=unset 36 fi 37 test "$VN" = "$VC" || { 38 echo >&2 "PERF_VERSION = $VN" 39 echo "PERF_VERSION = $VN" >$GVF 40 } 41 42 43
