#! /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.

# Extract launch and ant arguments, (see details below).

ant_exec_args=

no_config=false

use_jikes_default=false

ant_exec_debug=false

show_help=false

for arg in "$@" ; do

  if [ "$arg" = "--noconfig" ] ; then

    no_config=true

  elif [ "$arg" = "--usejikes" ] ; then

    use_jikes_default=true

  elif [ "$arg" = "--execdebug" ] ; then

    ant_exec_debug=true

  elif [ my"$arg" = my"--h"  -o my"$arg" = my"--help"  ] ; then

    show_help=true

    ant_exec_args="$ant_exec_args -h"

  else

    if [  my"$arg" = my"-h"  -o  my"$arg" = my"-help" ] ; then

      show_help=true

    fi

    ant_exec_args="$ant_exec_args \"$arg\""

  fi

done

# Source/default ant configuration

if $no_config ; then

  rpm_mode=false

  usejikes=$use_jikes_default

else

  # load system-wide ant configuration

  if [ -f "/etc/ant.conf" ] ; then

    . /etc/ant.conf

  fi

  # load user ant configuration

  if [ -f "$HOME/.ant/ant.conf" ] ; then

    . $HOME/.ant/ant.conf

  fi

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

    . "$HOME/.antrc"

  fi

  # provide default configuration values

  if [ -z "$rpm_mode" ] ; then

    rpm_mode=false

  fi

  if [ -z "$usejikes" ] ; then

    usejikes=$use_jikes_default

  fi

fi

# Setup Java environment in rpm mode

if $rpm_mode ; then

  if [ -f /usr/share/java-utils/java-functions ] ; then

    . /usr/share/java-utils/java-functions

    set_jvm

    set_javacmd

  fi

fi

# 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_HOME" ] ; then

             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home

           fi

           ;;

esac

if [ -z "$ANT_HOME" -o ! -d "$ANT_HOME" ] ; then

  ## resolve links - $0 may be a link to ant's home

  PRG="$0"

  progname=`basename "$0"`

  # need this for relative symlinks

  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"`/..

  # make it fully qualified

  ANT_HOME=`cd "$ANT_HOME" && pwd`

fi

# 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"`

fi

# set ANT_LIB location

ANT_LIB="${ANT_HOME}/lib"

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 2> /dev/null `

    if [ -z "$JAVACMD" ] ; then

        JAVACMD=java

    fi

  fi

fi

if [ ! -x "$JAVACMD" ] ; then

  echo "Error: JAVA_HOME is not defined correctly."

  echo "  We cannot execute $JAVACMD"

  exit 1

fi

# Build local classpath using just the launcher in non-rpm mode or

# use the Jpackage helper in rpm mode with basic and default jars

# specified in the ant.conf configuration. Because the launcher is

# used, libraries linked in ANT_HOME will also be include, but this

# is discouraged as it is not java-version safe. A user should

# request optional jars and their dependencies via the OPT_JAR_LIST

# variable

if $rpm_mode && [ -f /usr/bin/build-classpath ] ; then

  LOCALCLASSPATH="$(/usr/bin/build-classpath ant ant-launcher jaxp_parser_impl xml-commons-apis)"

  # If the user requested to try to add some other jars to the classpath

  if [ -n "$OPT_JAR_LIST" ] ; then

    _OPTCLASSPATH="$(/usr/bin/build-classpath $OPT_JAR_LIST 2> /dev/null)"

    if [ -n "$_OPTCLASSPATH" ] ; then 

      LOCALCLASSPATH="$LOCALCLASSPATH:$_OPTCLASSPATH"

    fi

  fi

  # Explicitly add javac path to classpath, assume JAVA_HOME set

  # properly in rpm mode

  if [ -f "$JAVA_HOME/lib/tools.jar" ] ; then

    LOCALCLASSPATH="$LOCALCLASSPATH:$JAVA_HOME/lib/tools.jar"

  fi

  if [ -f "$JAVA_HOME/lib/classes.zip" ] ; then

    LOCALCLASSPATH="$LOCALCLASSPATH:$JAVA_HOME/lib/classes.zip"

  fi

  # if CLASSPATH_OVERRIDE env var is set, LOCALCLASSPATH will be

  # user CLASSPATH first and ant-found jars after.

  # In that case, the user CLASSPATH will override ant-found jars

  #

  # if CLASSPATH_OVERRIDE is not set, we'll have the normal behaviour

  # with ant-found jars first and user CLASSPATH after

  if [ -n "$CLASSPATH" ] ; then

    # merge local and specified classpath 

    if [ -z "$LOCALCLASSPATH" ] ; then 

      LOCALCLASSPATH="$CLASSPATH"

    elif [ -n "$CLASSPATH_OVERRIDE" ] ; then

      LOCALCLASSPATH="$CLASSPATH:$LOCALCLASSPATH"

    else

      LOCALCLASSPATH="$LOCALCLASSPATH:$CLASSPATH"

    fi

    # remove class path from launcher -cp option

    CLASSPATH=""

  fi

else

  # not using rpm_mode; use launcher to determine classpaths

  if [ -z "$LOCALCLASSPATH" ] ; then

      LOCALCLASSPATH=$ANT_LIB/ant-launcher.jar

  else

      LOCALCLASSPATH=$ANT_LIB/ant-launcher.jar:$LOCALCLASSPATH

  fi

fi

if [ -n "$JAVA_HOME" ] ; then

  # OSX hack to make Ant work with jikes

  if $darwin ; then

    OSXHACK="${JAVA_HOME}/../Classes"

    if [ -d "${OSXHACK}" ] ; then

      for i in "${OSXHACK}"/*.jar

      do

        JIKESPATH="$JIKESPATH:$i"

      done

    fi

  fi

fi

# Allow Jikes support (off by default)

if $usejikes; then

  ANT_OPTS="$ANT_OPTS -Dbuild.compiler=jikes"

fi

# For Cygwin, switch paths to appropriate format before running java

# For PATHs convert to unix format first, then to windows format to ensure

# both formats are supported. Probably this will fail on directories with ;

# in the name in the path. Let's assume that paths containing ; are more

# rare than windows style paths on cygwin.

if $cygwin; then

  if [ "$OS" = "Windows_NT" ] && cygpath -m .>/dev/null 2>/dev/null ; then

    format=mixed

  else

    format=windows

  fi

  ANT_HOME=`cygpath --$format "$ANT_HOME"`

  ANT_LIB=`cygpath --$format "$ANT_LIB"`

  JAVA_HOME=`cygpath --$format "$JAVA_HOME"`

  LCP_TEMP=`cygpath --path --unix "$LOCALCLASSPATH"`

  LOCALCLASSPATH=`cygpath --path --$format "$LCP_TEMP"`

  if [ -n "$CLASSPATH" ] ; then

    CP_TEMP=`cygpath --path --unix "$CLASSPATH"`

    CLASSPATH=`cygpath --path --$format "$CP_TEMP"`

  fi

  CYGHOME=`cygpath --$format "$HOME"`

fi

# Show script help if requested

if $show_help ; then

  echo $0 '[script options] [options] [target [target2 [target3] ..]]'

  echo 'Script Options:'

  echo '  --help, --h            print this message and ant help'

  echo '  --noconfig             suppress sourcing of /etc/ant.conf,'

  echo '                         $HOME/.ant/ant.conf, and $HOME/.antrc'

  echo '                         configuration files'

  echo '  --usejikes             enable use of jikes by default, unless'

  echo '                         set explicitly in configuration files'

  echo '  --execdebug            print ant exec line generated by this'

  echo '                         launch script'

  echo '  '

fi

# add a second backslash to variables terminated by a backslash under cygwin

if $cygwin; then

  case "$ANT_HOME" in

    *\\ )

    ANT_HOME="$ANT_HOME\\"

    ;;

  esac

  case "$CYGHOME" in

    *\\ )

    CYGHOME="$CYGHOME\\"

    ;;

  esac

  case "$JIKESPATH" in

    *\\ )

    JIKESPATH="$JIKESPATH\\"

    ;;

  esac

  case "$LOCALCLASSPATH" in

    *\\ )

    LOCALCLASSPATH="$LOCALCLASSPATH\\"

    ;;

  esac

  case "$CLASSPATH" in

    *\\ )

    CLASSPATH="$CLASSPATH\\"

    ;;

  esac

fi

# Execute ant using eval/exec to preserve spaces in paths,

# java options, and ant args

ant_sys_opts=

if [ -n "$CYGHOME" ]; then

  if [ -n "$JIKESPATH" ]; then

    ant_sys_opts="-Djikes.class.path=\"$JIKESPATH\" -Dcygwin.user.home=\"$CYGHOME\""

  else

    ant_sys_opts="-Dcygwin.user.home=\"$CYGHOME\""

  fi

else

  if [ -n "$JIKESPATH" ]; then

    ant_sys_opts="-Djikes.class.path=\"$JIKESPATH\""

  fi

fi

ant_exec_command="exec \"$JAVACMD\" $ANT_OPTS -classpath \"$LOCALCLASSPATH\" -Dant.home=\"$ANT_HOME\" -Dant.library.dir=\"$ANT_LIB\" $ant_sys_opts org.apache.tools.ant.launch.Launcher $ANT_ARGS -cp \"$CLASSPATH\" $ant_exec_args"

if $ant_exec_debug ; then

    echo $ant_exec_command

fi

eval $ant_exec_command