tools/power/cpupower/utils/version-gen.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 #
   4 # Script which prints out the version to use for building cpupowerutils.
   5 # Must be called from tools/power/cpupower/
   6 #
   7 # Heavily based on tools/perf/util/PERF-VERSION-GEN .
   8
   9 LF='
  10 '
  11
  12 # First check if there is a .git to get the version from git describe
  13 # otherwise try to get the version from the kernel makefile
  14 if 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="$VN-dirty" ;;
  22         esac
  23 then
  24         VN=$(echo "$VN" | sed -e 's/-/./g');
  25 else
  26         eval $(grep '^VERSION[[:space:]]*=' ../../../Makefile|tr -d ' ')
  27         eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../../Makefile|tr -d ' ')
  28         eval $(grep '^SUBLEVEL[[:space:]]*=' ../../../Makefile|tr -d ' ')
  29         eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../../Makefile|tr -d ' ')
  30
  31         VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
  32 fi
  33
  34 VN=$(expr "$VN" : v*'\(.*\)')
  35
  36 echo $VN