version.sh

   1 #!/bin/sh
   2
   3 VERSION="4.7"
   4 OUT="$1"
   5
   6 # get the absolute path for the OUT file
   7 OUT_NAME=$(basename ${OUT})
   8 OUT_DIR=$(cd $(dirname ${OUT}); pwd)
   9 OUT="${OUT_DIR}/${OUT_NAME}"
  10
  11 # the version check should be under the source directory
  12 # where this script is located, instead of the currect directory
  13 # where this script is excuted.
  14 SRC_DIR=$(dirname $0)
  15 SRC_DIR=$(cd ${SRC_DIR}; pwd)
  16 cd "${SRC_DIR}"
  17
  18 v=""
  19 if [ -d .git ] && head=`git rev-parse --verify HEAD 2>/dev/null`; then
  20     git update-index --refresh --unmerged > /dev/null
  21     descr=$(git describe --match=v* 2>/dev/null)
  22     if [ $? -eq 0 ]; then
  23         # on git builds check that the version number above
  24         # is correct...
  25         if [ "${descr%%-*}" = "v$VERSION" ]; then
  26             v="${descr#v}"
  27             if git diff-index --name-only HEAD | read dummy ; then
  28                 v="$v"-dirty
  29             fi
  30         fi
  31     fi
  32 fi
  33
  34 # set to the default version when failed to get the version
  35 # information with git
  36 if [ -z "${v}" ]; then
  37     v="$VERSION"
  38 fi
  39
  40 echo '#include "iw.h"' > "$OUT"
  41 echo "const char iw_version[] = \"$v\";" >> "$OUT"