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perf tools: Fix perf version generation

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The tag of the perf version is wrongly determined, always the latest tag
is taken regardless of the HEAD commit:

 $ perf --version
 perf version 3.9.rc8.gd7f5d3
 $ git describe d7f5d3
 v3.9-rc7-154-gd7f5d33
 $ head -n 4 Makefile
 VERSION = 3
 PATCHLEVEL = 9
 SUBLEVEL = 0
 EXTRAVERSION = -rc7

In other cases no tag might be found.

This patch fixes this.

This new implementation handles also the case if there are no tags at
all found in the git repo but there is a commit id.

Signed-off-by: Robert Richter <robert.richter@calxeda.com>
Link: http://lkml.kernel.org/r/1368006214-12912-1-git-send-email-rric@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Robert Richter 2013-05-08 11:43:34 +02:00 committed by Arnaldo Carvalho de Melo
parent 582ec0829b
commit a4147f0f91
1 changed files with 15 additions and 6 deletions
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21
tools/perf/util/PERF-VERSION-GEN
View File

@ -13,13 +13,22 @@ 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=$(git tag 2>/dev/null | tail -1 | grep -E "v[0-9].[0-9]*")
CID=
TAG=
if test -d ../../.git -o -f ../../.git
then
VN=$(echo $VN"-g"$(git log -1 --abbrev=4 --pretty=format:"%h" HEAD))
VN=$(echo "$VN" | sed -e 's/-/./g');
else
VN=$(MAKEFLAGS= make -sC ../.. kernelversion)
TAG=$(git describe --abbrev=0 --match "v[0-9].[0-9]*" 2>/dev/null )
CID=$(git log -1 --abbrev=4 --pretty=format:"%h" 2>/dev/null) && CID="-g$CID"
fi
if test -z "$TAG"
then
TAG=$(MAKEFLAGS= make -sC ../.. kernelversion)
fi
VN="$TAG$CID"
if test -n "$CID"
then
# format version string, strip trailing zero of sublevel:
VN=$(echo "$VN" | sed -e 's/-/./g;s/\([0-9]*[.][0-9]*\)[.]0/\1/')
fi
VN=$(expr "$VN" : v*'\(.*\)')