version.sh

   1 #!/bin/bash
   2 #
   3 # determine-version -- report a useful version for releases
   4 #
   5 # Copyright 2008, Aron Griffis <agriffis@n01se.net>
   6 # Copyright 2008, Oracle
   7 # Released under the GNU GPLv2
   8
   9 v="v3.14.1"
  10
  11 which git &> /dev/null
  12 if [ $? == 0 -a -d .git ]; then
  13     if head=`git rev-parse --verify HEAD 2>/dev/null`; then
  14         if tag=`git describe --tags 2>/dev/null`; then
  15             v="$tag"
  16         fi
  17
  18         # Are there uncommitted changes?
  19         git update-index --refresh --unmerged > /dev/null
  20         if git diff-index --name-only HEAD | grep -v "^scripts/package" \
  21             | read dummy; then
  22             v="$v"-dirty
  23         fi
  24     fi
  25 fi
  26
  27 echo "#ifndef __BUILD_VERSION" > .build-version.h
  28 echo "#define __BUILD_VERSION" >> .build-version.h
  29 echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h
  30 echo "#endif" >> .build-version.h
  31
  32 diff -q version.h .build-version.h >& /dev/null
  33
  34 if [ $? == 0 ]; then
  35     rm .build-version.h
  36     exit 0
  37 fi
  38
  39 mv .build-version.h version.h