#!/bin/sh
# ----------------------------------------------------------------------------
#  Copyright 2001-2005 The Apache Software Foundation.
#  
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#  
#       http://www.apache.org/licenses/LICENSE-2.0
#  
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
# ----------------------------------------------------------------------------

# OS specific support.  $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
case "`uname`" in
  CYGWIN*) cygwin=true ;;
  Darwin*) darwin=true 
           if [ -z "$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
           ;;
esac

if [ -z "$C1_UPDATER_HOME" ] ; then
  # try to find Continuum Updater
  if [ -d /opt/continuum_updater ] ; then
    C1_UPDATER_HOME=/opt/continuum_updater
  fi

  if [ -d "$HOME/continuum_updater" ] ; then
    C1_UPDATER_HOME="$HOME/continuum_updater"
  fi

  ## resolve links - $0 may be a link to continuum's home
  PRG="$0"
  saveddir=`pwd`

  # need this for relative symlinks
  PRGDIR=`dirname "$PRG"`
  cd "$PRGDIR"

  while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '.*/.*' > /dev/null; then
  PRG="$link"
    else
  PRG="$PRGDIR/$link"
    fi
  done

  C1_UPDATER_HOME="$PRGDIR/.."

  # make it fully qualified
  C1_UPDATER_HOME=`cd "$C1_UPDATER_HOME" && pwd`

  cd "$saveddir"
fi

# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
  [ -n "$C1_UPDATER_HOME" ] &&
    C1_UPDATER_HOME=`cygpath --unix "$C1_UPDATER_HOME"`
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
  [ -n "$CLASSPATH" ] &&
    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi

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=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

CLASSWORLDS_LAUNCHER=org.codehaus.classworlds.Launcher

# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
  [ -n "$C1_UPDATER_HOME" ] &&
    C1_UPDATER_HOME=`cygpath --path --windows "$C1_UPDATER_HOME"`
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
  [ -n "$HOME" ] &&
    HOME=`cygpath --path --windows "$HOME"`
fi

exec "$JAVACMD" \
  -classpath "${C1_UPDATER_HOME}"/core/boot/classworlds-*.jar \
  "-Dclassworlds.conf=${C1_UPDATER_HOME}/bin/updater.conf" \
  "-Dmaven.home=${C1_UPDATER_HOME}"  \
  ${CLASSWORLDS_LAUNCHER} $@