#!/bin/sh

cygwin=false
mingw=false
darwin=false
case "`uname`" in
  CYGWIN*) cygwin=true;;
  MINGW*) mingw=true;;
  Darwin*) darwin=true
           if [ -z "$JAVA_VERSION" ] ; then
             JAVA_VERSION="CurrentJDK"
           else
            echo "Using Java version: $JAVA_VERSION"
           fi
           if [ -z "$JAVA_HOME" ] ; then
             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/${JAVA_VERSION}/Home
           fi
           JVM_OPT="$JVM_OPT -Xdock:name=UTGB -Xdock:icon=$UTGB_HOME/utgb-icon-mac.png -Dcom.apple.macos.useScreenMenuBar=true"
           JAVACMD="`which java`"
           ;;
esac

if [ -z "$JAVACMD" ] ; then
  if [ -n "$JAVA_HOME"  ] ; then
    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
      # IBM's JDK on AIX uses strange locations for the executables
      JAVACMD="$JAVA_HOME/jre/sh/java"
    else
      JAVACMD="$JAVA_HOME/bin/java"
    fi
  else
    JAVACMD="`which java`"
  fi
fi

if [ ! -x "$JAVACMD" ] ; then
  echo "Error: JAVA_HOME is not defined correctly."
  echo "  We cannot execute $JAVACMD"
  exit 1
fi

if [ -z "$JAVA_HOME" ] ; then
  echo "Warning: JAVA_HOME environment variable is not set."
fi


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

# For Migwn, ensure paths are in UNIX format before anything is touched
if $mingw ; then
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
  # TODO classpath?
fi

exec "$JAVACMD" ${JVM_OPT} \
  -jar "${UTGB_HOME}"/lib/utgb-shell-bin.jar \
  "$@"


