#!/bin/sh
#
# Sonar Runner Startup Script for Unix
#
# Optional ENV vars:
#   SONAR_RUNNER_HOME - location of runner's installed home dir
#   SONAR_RUNNER_OPTS - parameters passed to the Java VM when running Sonar

# The following notice only apply to real_path function copied from
# https://sites.google.com/site/jdisnard/realpath
# Copyright 2010 Jon Disnard. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY Jon Disnard ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are those of the
# authors and should not be interpreted as representing official policies, either expressed
# or implied, of Jon Disnard.
real_path () {
  OIFS=$IFS
  IFS='/'
  for I in $1
  do
    # Resolve relative path punctuation.
    if [ "$I" = "." ] || [ -z "$I" ]
      then continue
    elif [ "$I" = ".." ]
      then FOO="${FOO%%/${FOO##*/}}"
           continue
      else FOO="${FOO}/${I}"
    fi

    # Dereference symbolic links.
    if [ -h "$FOO" ] && [ -x "/bin/ls" ]
      then IFS=$OIFS
           set `/bin/ls -l "$FOO"`
           while shift ;
           do
             if [ "$1" = "->" ]
               then FOO=$2
                    shift $#
                    break
             fi
           done
    fi
  done
  IFS=$OIFS
  echo "$FOO"
}

if [ -z "$SONAR_RUNNER_HOME" ] ; then
  PRG="$0"

  # resolve symlinks
  PRG=`real_path "$PRG"`

  SONAR_RUNNER_HOME=`dirname "$PRG"`/..

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

# check that the SONAR_RUNNER_HOME has been correctly set
if [ ! -e "$SONAR_RUNNER_HOME/lib/sonar-runner-impl-${project.version}.jar" ] ; then
  echo '$SONAR_RUNNER_HOME' does not point to a valid installation directory: $SONAR_RUNNER_HOME
  exit 1
fi

JAVA_CMD="`which java`"
JAVA_CLASSPATH="${SONAR_RUNNER_HOME}"/lib/sonar-runner-impl-${project.version}.jar
PROJECT_HOME=`pwd`

#echo "Info: Using sonar-runner at $SONAR_RUNNER_HOME"
#echo "Info: Using java at $JAVA_CMD"
#echo "Info: Using classpath $JAVA_CLASSPATH"
#echo "Info: Using project $PROJECT_HOME"

exec "$JAVA_CMD" \
  $SONAR_RUNNER_OPTS \
  -classpath $JAVA_CLASSPATH \
  "-Drunner.home=\${SONAR_RUNNER_HOME}" \
  "-Dproject.home=\${PROJECT_HOME}" \
  org.sonar.runner.Main "$@"