svnversion_regenerate.sh

   1 #!/bin/bash
   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 svnversion...
  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=SVN_VERSION
  27 fi
  28
  29 if test -d .svn
  30 then
  31   REV=`svnversion 2> /dev/null`
  32 else
  33   if test -d .git
  34   then
  35     git status >/dev/null # updates dirty state
  36     REV=`git show | grep '^ *git-svn-id:' | sed 's/.*@\([0-9]*\) .*/\1/'`
  37     if test ${REV}
  38     then
  39       test -z "$(git diff-index --name-only HEAD)" || REV="${REV}M"
  40     else
  41       REV=0+`git rev-parse HEAD`
  42       test -z "$(git diff-index --name-only HEAD)" || REV="${REV}-dirty"
  43     fi
  44   fi
  45 fi
  46
  47 if test -z ${REV}
  48 then
  49   REV="unknown"
  50 fi
  51
  52 echo "#define ${DEFINE} \"${REV}\"" > ${TEMP_FILE}
  53 if test ! -f ${OUTPUT_FILE}
  54 then
  55   echo "Generated ${OUTPUT_FILE} (${REV})"
  56   cp ${TEMP_FILE} ${OUTPUT_FILE}
  57   if test $? -ne 0; then exit 1; fi
  58 else
  59   if ! cmp -s ${OUTPUT_FILE} ${TEMP_FILE}
  60   then echo "Regenerated ${OUTPUT_FILE} (${REV})"
  61     cp ${TEMP_FILE} ${OUTPUT_FILE}
  62     if test $? -ne 0; then exit 1; fi
  63   fi
  64 fi
  65
  66 cd "${OLDPWD}"
  67
  68 rm ${TEMP_FILE}
  69
  70 exit $?