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 hg > /dev/null
  12 if [ -d .hg ] && [ $? == 0 ]; then
  13         last=$(hg tags | grep -m1 -o '^v[0-9.]\+')
  14
  15         # now check if the repo has commits since then...
  16         if [[ $(hg id -t) == $last || \
  17             $(hg di -r "$last:." | awk '/^diff/{print $NF}' | sort -u) == .hgtags ]]
  18         then
  19             # check if it's dirty
  20             if [[ $(hg id | cut -d' ' -f1) == *+ ]]; then
  21                 v=$last+
  22             else
  23                 v=$last
  24             fi
  25         else
  26             # includes dirty flag
  27             v=$last+$(hg id -i)
  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