tools/perf/util/PERF-VERSION-GEN

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 if [ $# -eq 1 ]  ; then
   5         OUTPUT=$1
   6 fi
   7
   8 GVF=${OUTPUT}PERF-VERSION-FILE
   9
  10 LF='
  11 '
  12
  13 #
  14 # Use version from kernel Makefile unless not in a git repository and
  15 # PERF-VERSION-FILE exists
  16 #
  17 CID=
  18 TAG=
  19 if test -d ../../.git -o -f ../../.git
  20 then
  21         TAG=$(MAKEFLAGS= make -sC ../.. kernelversion)
  22         CID=$(git log -1 --abbrev=12 --pretty=format:"%h" --no-show-signature 2>/dev/null) && CID="-g$CID"
  23 elif test -f ../../PERF-VERSION-FILE
  24 then
  25         TAG=$(cut -d' ' -f3 ../../PERF-VERSION-FILE | sed -e 's/\"//g')
  26 fi
  27 if test -z "$TAG"
  28 then
  29         TAG=$(MAKEFLAGS= make -sC ../.. kernelversion)
  30 fi
  31
  32 VN="$TAG$CID"
  33 if test -n "$CID"
  34 then
  35         # format version string, strip trailing zero of sublevel:
  36         VN=$(echo "$VN" | sed -e 's/-/./g;s/\([0-9]*[.][0-9]*\)[.]0/\1/')
  37 fi
  38
  39 VN=$(expr "$VN" : v*'\(.*\)')
  40
  41 if test -r $GVF
  42 then
  43         VC=$(sed -e 's/^#define PERF_VERSION "\(.*\)"/\1/' <$GVF)
  44 else
  45         VC=unset
  46 fi
  47 test "$VN" = "$VC" || {
  48         echo >&2 "  PERF_VERSION = $VN"
  49         echo "#define PERF_VERSION \"$VN\"" >$GVF
  50 }
  51
  52