1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0 <<
3 2
4 if [ $# -eq 1 ] ; then 3 if [ $# -eq 1 ] ; then
5 OUTPUT=$1 4 OUTPUT=$1
6 fi 5 fi
7 6
8 GVF=${OUTPUT}PERF-VERSION-FILE 7 GVF=${OUTPUT}PERF-VERSION-FILE
9 8
10 LF=' 9 LF='
11 ' 10 '
12 11
13 # 12 #
14 # Use version from kernel Makefile unless not !! 13 # First check if there is a .git to get the version from git describe
15 # PERF-VERSION-FILE exists !! 14 # otherwise try to get the version from the kernel Makefile
16 # 15 #
17 CID= !! 16 if test -d ../../.git -o -f ../../.git &&
18 TAG= !! 17 VN=$(git tag 2>/dev/null | tail -1 | grep -E "v[0-9].[0-9]*")
19 if test -d ../../.git -o -f ../../.git <<
20 then 18 then
21 TAG=$(MAKEFLAGS= make -sC ../.. kernel !! 19 VN=$(echo $VN"-g"$(git log -1 --abbrev=4 --pretty=format:"%h" HEAD))
22 CID=$(git log -1 --abbrev=12 --pretty= !! 20 VN=$(echo "$VN" | sed -e 's/-/./g');
23 elif test -f ../../PERF-VERSION-FILE !! 21 else
24 then !! 22 VN=$(MAKEFLAGS= make -sC ../.. kernelversion)
25 TAG=$(cut -d' ' -f3 ../../PERF-VERSION <<
26 fi <<
27 if test -z "$TAG" <<
28 then <<
29 TAG=$(MAKEFLAGS= make -sC ../.. kernel <<
30 fi <<
31 <<
32 VN="$TAG$CID" <<
33 if test -n "$CID" <<
34 then <<
35 # format version string, strip trailin <<
36 VN=$(echo "$VN" | sed -e 's/-/./g;s/\( <<
37 fi 23 fi
38 24
39 VN=$(expr "$VN" : v*'\(.*\)') 25 VN=$(expr "$VN" : v*'\(.*\)')
40 26
41 if test -r $GVF 27 if test -r $GVF
42 then 28 then
43 VC=$(sed -e 's/^#define PERF_VERSION " 29 VC=$(sed -e 's/^#define PERF_VERSION "\(.*\)"/\1/' <$GVF)
44 else 30 else
45 VC=unset 31 VC=unset
46 fi 32 fi
47 test "$VN" = "$VC" || { 33 test "$VN" = "$VC" || {
48 echo >&2 " PERF_VERSION = $VN" !! 34 echo >&2 "PERF_VERSION = $VN"
49 echo "#define PERF_VERSION \"$VN\"" >$ 35 echo "#define PERF_VERSION \"$VN\"" >$GVF
50 } 36 }
51 37
52 38
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