#! /bin/sh

if [ -f "$HOME/.antrc" ] ; then 
  . $HOME/.antrc
fi

# Cygwin support. $cygwin _must_ be set to either true or false.
case "`uname`" in
  CYGWIN*) cygwin=true ;;
  *) cygwin=false ;;
esac

# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin; then
  [ -n "$ANT_HOME" ] &&
    ANT_HOME=`cygpath --unix "$ANT_HOME"`
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
  [ -n "$CLASSPATH" ] &&
    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi

if [ "$ANT_HOME" = "" ] ; then
  # try to find ANT
  if [ -d /opt/ant ] ; then 
    ANT_HOME=/opt/ant
  fi

  if [ -d ${HOME}/opt/ant ] ; then 
    ANT_HOME=${HOME}/opt/ant
  fi

  ## resolve links - $0 may be a link to ant's home
  PRG=$0
  progname=`basename $0`
  
  while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '.*/.*' > /dev/null; then
	PRG="$link"
    else
	PRG="`dirname $PRG`/$link"
    fi
  done
  
  ANT_HOME=`dirname "$PRG"`/..

fi

if [ "$JAVA_HOME" != "" ] ; then
  if [ "$JAVACMD" = "" ] ; then 
    JAVACMD=$JAVA_HOME/bin/java
  fi
else
  if [ "$JAVACMD" = "" ] ; then 
    JAVACMD=java
  fi
fi
 
# add in the dependency .jar files
DIRLIBS=${ANT_HOME}/lib/*.jar
for i in ${DIRLIBS}
do
    # if the directory is empty, then it will return the input string
    # this is stupid, so case for it
    if [ "$i" != "${DIRLIBS}" ] ; then
        LOCALCLASSPATH=$LOCALCLASSPATH:"$i"
    fi
done

if [ "$CLASSPATH" != "" ] ; then
  LOCALCLASSPATH=$CLASSPATH:$LOCALCLASSPATH
fi

if [ "$JAVA_HOME" != "" ] ; then
  if test -f $JAVA_HOME/lib/tools.jar ; then
    LOCALCLASSPATH=$LOCALCLASSPATH:$JAVA_HOME/lib/tools.jar
  fi

  if test -f $JAVA_HOME/lib/classes.zip ; then
    LOCALCLASSPATH=$LOCALCLASSPATH:$JAVA_HOME/lib/classes.zip
  fi
else
  echo "Warning: JAVA_HOME environment variable is not set."
  echo "  If build fails because sun.* classes could not be found"
  echo "  you will need to set the JAVA_HOME environment variable"
  echo "  to the installation directory of java."
fi

# supply JIKESPATH to Ant as jikes.class.path
if [ "$JIKESPATH" != "" ] ; then
  if [ "$ANT_OPTS" != "" ] ; then
    ANT_OPTS="$ANT_OPTS -Djikes.class.path=$JIKESPATH"
  else
    ANT_OPTS=-Djikes.class.path=$JIKESPATH
  fi
fi

# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
  ANT_HOME=`cygpath --path --windows "$ANT_HOME"`
  JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
  LOCALCLASSPATH=`cygpath --path --windows "$LOCALCLASSPATH"`
fi

$JAVACMD -classpath "$LOCALCLASSPATH" -Dant.home="${ANT_HOME}" $ANT_OPTS org.apache.tools.ant.Main "$@"
