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

1#!/bin/sh
2
3GVF=PERF-VERSION-FILE
4DEF_VER=v0.0.2.PERF
5
6LF='
7'
8
9# First see if there is a version file (included in release tarballs),
10# then try git-describe, then default.
11if test -f version
12then
13    VN=$(cat version) || VN="$DEF_VER"
14elif 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="$VN-dirty" ;;
22    esac
23then
24    VN=$(echo "$VN" | sed -e 's/-/./g');
25else
26    VN="$DEF_VER"
27fi
28
29VN=$(expr "$VN" : v*'\(.*\)')
30
31if test -r $GVF
32then
33    VC=$(sed -e 's/^PERF_VERSION = //' <$GVF)
34else
35    VC=unset
36fi
37test "$VN" = "$VC" || {
38    echo >&2 "PERF_VERSION = $VN"
39    echo "PERF_VERSION = $VN" >$GVF
40}
41
42
43

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