gitversion_regenerate.sh

   1 #!/bin/sh
   2
   3 #set -x
   4
   5 if test $# -ne 1 -a $# -ne 2
   6 then
   7   echo "Usage: "`basename "$0"`" <file> [define_name]"
   8   exit 1
   9 fi
  10
  11 OUTPUT_FILE="`pwd`/${1}"
  12 TEMP_FILE="${OUTPUT_FILE}.tmp"
  13
  14 #echo version...
  15 #pwd
  16 #echo $OUTPUT_FILE
  17 #echo $TEMP_FILE
  18
  19 OLDPWD=`pwd`
  20 cd ..
  21
  22 if test $# -eq 2
  23 then
  24   DEFINE=${2}
  25 else
  26   DEFINE=GIT_VERSION
  27 fi
  28
  29 REV=$(git rev-parse HEAD)
  30
  31 test -z "$(git diff-index --name-only HEAD)" || REV="$REV-dirty"
  32
  33 echo "#define ${DEFINE} \"${REV}\"" > ${TEMP_FILE}
  34 if test ! -f ${OUTPUT_FILE}
  35 then
  36   echo "Generated ${OUTPUT_FILE} (${REV})"
  37   cp ${TEMP_FILE} ${OUTPUT_FILE}
  38   if test $? -ne 0; then exit 1; fi
  39 else
  40   if ! cmp -s ${OUTPUT_FILE} ${TEMP_FILE}
  41   then echo "Regenerated ${OUTPUT_FILE} (${REV})"
  42     cp ${TEMP_FILE} ${OUTPUT_FILE}
  43     if test $? -ne 0; then exit 1; fi
  44   fi
  45 fi
  46
  47 cd "${OLDPWD}"
  48
  49 rm ${TEMP_FILE}
  50
  51 exit $?