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 DEF_VER=v0.0.2.PERF
   9
  10 LF='
  11 '
  12
  13 # First see if there is a version file (included in release tarballs),
  14 # then try git-describe, then default.
  15 if test -f version
  16 then
  17         VN=$(cat version) || VN="$DEF_VER"
  18 elif test -d .git -o -f .git &&
  19         VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
  20         case "$VN" in
  21         *$LF*) (exit 1) ;;
  22         v[0-9]*)
  23                 git update-index -q --refresh
  24                 test -z "$(git diff-index --name-only HEAD --)" ||
  25                 VN="$VN-dirty" ;;
  26         esac
  27 then
  28         VN=$(echo "$VN" | sed -e 's/-/./g');
  29 else
  30         VN="$DEF_VER"
  31 fi
  32
  33 VN=$(expr "$VN" : v*'\(.*\)')
  34
  35 if test -r $GVF
  36 then
  37         VC=$(sed -e 's/^PERF_VERSION = //' <$GVF)
  38 else
  39         VC=unset
  40 fi
  41 test "$VN" = "$VC" || {
  42         echo >&2 "PERF_VERSION = $VN"
  43         echo "PERF_VERSION = $VN" >$GVF
  44 }
  45
  46