# if this file is executed, /bin/sh is used, as we don't start with #!
# this should work under ash, bash, zsh, ksh, sh style shells.

# make sure we are sourced, and not run

if test "$0" != "`echo $0 | sed s/setup\.bash//`" ; then
# if $0 contains "setup.bash" we've been run... $0 is shellname if sourced.
# One exception is zsh has an option to set it temporarily to the script name
  if test -z "$ZSH_NAME" ; then
  # we aren't using zsh
  gsdl_not_sourced=true
  fi
fi

if test -n "$gsdl_not_sourced" ; then
  echo "	Error: Make sure you source this script, not execute it. Eg:"
  echo "		$ source setup.bash"
  echo "	or"
  echo "		$ . ./setup.bash"
  echo "	not"
  echo "		$ ./setup.bash"
#elif test -n "$GSDL3HOME" ; then
#  echo "Your environment is already set up for Greenstone3!"
elif test ! -f setup.bash ; then
  echo "You must source the script from within the Greenstone home directory"
else
  GSDL3HOME=`pwd`
  export GSDL3HOME
  GSDLOS=`uname -s | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
  # check for running bash under cygwin
  if test "`echo $GSDLOS | sed 's/cygwin//'`" != "$GSDLOS" ;
  then
    GSDLOS=windows
  fi
  export GSDLOS

  PATH=$PATH:$GSDL3HOME/bin/script:$GSDL3HOME/bin
  export PATH
  MANPATH=$MANPATH:$GSDL3HOME/doc/man
  export MANPATH
  
  CLASSPATH=$GSDL3HOME/resources/java:$GSDL3HOME/src/java:$GSDL3HOME/comms/tomcat/jakarta/common/lib/servlet.jar
  for JARFILE in  $GSDL3HOME/lib/java/*; do
    CLASSPATH=$CLASSPATH:$JARFILE
  done
  export CLASSPATH

  LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$GSDL3HOME/lib
  export LD_LIBRARY_PATH

  #set up java options for catalina
  CATALINA_OPTS="-Djava.util.prefs.syncInterval=2000000 -DGSDL3HOME=$GSDL3HOME -DGSDLOS=$GSDLOS -DGSDLHOME=$GSDLHOME -DPATH=$PATH"
  export CATALINA_OPTS

  # Make sure JAVA_HOME is set
  if test ! -n "$JAVA_HOME" ; then
    echo "Error: JAVA_HOME variable not set."
  # Make sure the Java executable is in JAVA_HOME/bin/
  elif test ! -f "$JAVA_HOME/bin/java"; then
    echo "Error: Java executable not found."
  # Make sure the Java version is 1.4 (should really check for 1.4 or higher)
  elif test ! -n "`$JAVA_HOME/bin/java -version 2>&1 | grep 'version \"1.4'`" ; then
    echo "Error: Java version 1.4.0 required."
  else
    echo "Your environment has successfully been set up to run Greenstone3"
    if test ! -n "$GSDLHOME" ; then
      echo "However, if you want to run greenstone 2 compatible building, then you need to 'source setup.bash' in  the home directory of your greenstone 2 installation, and then re-source this script"
    fi
  fi


fi


unset gsdl_not_sourced