release/src-rt-6.x.4708/linux/linux-2.6.36/fs/btrfs/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="v0.16"
  10
  11 which git &> /dev/null
  12 if [ $? == 0 ]; then
  13     git branch >& /dev/null
  14     if [ $? == 0 ]; then
  15             if head=`git rev-parse --verify HEAD 2>/dev/null`; then
  16                 if tag=`git describe --tags 2>/dev/null`; then
  17                     v="$tag"
  18                 fi
  19
  20                 # Are there uncommitted changes?
  21                 git update-index --refresh --unmerged > /dev/null
  22                 if git diff-index --name-only HEAD | \
  23                     grep -v "^scripts/package" \
  24                     | read dummy; then
  25                     v="$v"-dirty
  26                 fi
  27             fi
  28     fi
  29 fi
  30
  31 echo "#ifndef __BUILD_VERSION" > .build-version.h
  32 echo "#define __BUILD_VERSION" >> .build-version.h
  33 echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h
  34 echo "#endif" >> .build-version.h
  35
  36 diff -q version.h .build-version.h >& /dev/null
  37
  38 if [ $? == 0 ]; then
  39     rm .build-version.h
  40     exit 0
  41 fi
  42
  43 mv .build-version.h version.h