svnversion_regenerate.sh

   1 #!/bin/sh
   2
   3 #set -x
   4
   5 if test $# -ne 1 -a $# -ne 2
   6 then
   7   echo "Usage: "`basename "$0"`" <file> [define_name]"
   8   exit 1
   9 fi
  10
  11 OUTPUT_FILE="${1}"
  12 TEMP_FILE="${OUTPUT_FILE}.tmp"
  13
  14 if test $# -eq 2
  15 then
  16   DEFINE=${2}
  17 else
  18   DEFINE=SVN_VERSION
  19 fi
  20
  21 if test -d .svn
  22 then
  23   SVNVERSION=`svnversion`
  24 else
  25   if test -d .git
  26   then
  27     git status >/dev/null # updates dirty state
  28     SVNVERSION=`git show | grep '^ *git-svn-id:' | sed 's/.*@\([0-9]*\) .*/\1/'`
  29     if test ${SVNVERSION}
  30     then
  31       test -z "$(git diff-index --name-only HEAD)" || SVNVERSION="${SVNVERSION}M"
  32     else
  33       SVNVERSION=0+`git rev-parse HEAD`
  34       test -z "$(git diff-index --name-only HEAD)" || SVNVERSION="${SVNVERSION}-dirty"
  35     fi
  36   fi
  37 fi
  38
  39 if test -z ${SVNVERSION}
  40 then
  41   SVNVERSION=exported
  42 fi
  43
  44 echo "#define ${DEFINE} \"${SVNVERSION}\"" > ${TEMP_FILE}
  45 if test ! -f ${OUTPUT_FILE}
  46 then
  47   echo "Generated ${OUTPUT_FILE}"
  48   cp ${TEMP_FILE} ${OUTPUT_FILE}
  49   if test $? -ne 0; then exit 1; fi
  50 else
  51   if ! cmp -s ${OUTPUT_FILE} ${TEMP_FILE}
  52   then echo "Regenerated ${OUTPUT_FILE}"
  53     cp ${TEMP_FILE} ${OUTPUT_FILE}
  54     if test $? -ne 0; then exit 1; fi
  55   fi
  56 fi
  57
  58 rm ${TEMP_FILE}
  59
  60 exit $?