kernel_optimize_test/tools/perf/util/PERF-VERSION-GEN
Thavidu Ranatunga 869599ceda perf: Version String fix, for fallback if not from git
This gets rid of the default version fallback for Perf and
changes it so that it returns the version of the kernel from
it's Makefile (if sources were not from git, ie. if it was
downloaded from a tarball)

Signed-off-by: Thavidu Ranatunga <tharan@au1.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1278316815-6099-2-git-send-email-tharan@au1.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-07-05 10:42:58 +02:00

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
}