tools/perf/util/PERF-VERSION-GEN

   1 #!/bin/sh
   2
   3 if [ $# -eq 1 ]  ; then
   4         OUTPUT=$1
   5 fi
   6
   7 GVF=${OUTPUT}PERF-VERSION-FILE
   8
   9 LF='
  10 '
  11
  12 #
  13 # First check if there is a .git to get the version from git describe
  14 # otherwise try to get the version from the kernel Makefile
  15 #
  16 CID=
  17 TAG=
  18 if test -d ../../.git -o -f ../../.git
  19 then
  20         TAG=$(git describe --abbrev=0 --match "v[0-9].[0-9]*" 2>/dev/null )
  21         CID=$(git log -1 --abbrev=4 --pretty=format:"%h" 2>/dev/null) && CID="-g$CID"
  22 elif test -f ../../PERF-VERSION-FILE
  23 then
  24         TAG=$(cut -d' ' -f3 ../../PERF-VERSION-FILE | sed -e 's/\"//g')
  25 fi
  26 if test -z "$TAG"
  27 then
  28         TAG=$(MAKEFLAGS= make -sC ../.. kernelversion)
  29 fi
  30 VN="$TAG$CID"
  31 if test -n "$CID"
  32 then
  33         # format version string, strip trailing zero of sublevel:
  34         VN=$(echo "$VN" | sed -e 's/-/./g;s/\([0-9]*[.][0-9]*\)[.]0/\1/')
  35 fi
  36
  37 VN=$(expr "$VN" : v*'\(.*\)')
  38
  39 if test -r $GVF
  40 then
  41         VC=$(sed -e 's/^#define PERF_VERSION "\(.*\)"/\1/' <$GVF)
  42 else
  43         VC=unset
  44 fi
  45 test "$VN" = "$VC" || {
  46         echo >&2 "  PERF_VERSION = $VN"
  47         echo "#define PERF_VERSION \"$VN\"" >$GVF
  48 }
  49
  50