linux/tools/perf/util/PERF-VERSION-GEN

48 lines
1006 B
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Executable File

#!/bin/sh
if [ $# -eq 1 ] ; then
OUTPUT=$1
fi
GVF=${OUTPUT}PERF-VERSION-FILE
LF='
'
# First check if there is a .git to get the version from git describe
# otherwise try to get the version from the kernel makefile
if test -d ../../.git -o -f ../../.git &&
VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
case "$VN" in
*$LF*) (exit 1) ;;
v[0-9]*)
git update-index -q --refresh
test -z "$(git diff-index --name-only HEAD --)" ||
VN="$VN-dirty" ;;
esac
then
VN=$(echo "$VN" | sed -e 's/-/./g');
else
eval `grep '^VERSION\s*=' ../../Makefile|tr -d ' '`
eval `grep '^PATCHLEVEL\s*=' ../../Makefile|tr -d ' '`
eval `grep '^SUBLEVEL\s*=' ../../Makefile|tr -d ' '`
eval `grep '^EXTRAVERSION\s*=' ../../Makefile|tr -d ' '`
VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
fi
VN=$(expr "$VN" : v*'\(.*\)')
if test -r $GVF
then
VC=$(sed -e 's/^PERF_VERSION = //' <$GVF)
else
VC=unset
fi
test "$VN" = "$VC" || {
echo >&2 "PERF_VERSION = $VN"
echo "PERF_VERSION = $VN" >$GVF
}