source: greenstone3/trunk/gs3-setup.sh@ 16503

# 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.

#the purpose of this file is to check/set up the environment for greenstone3
#sorts out:
#   - gsdl3home
#   - java

# java_min_version gets passed to search4j as the minimum java version
java_min_version=1.4.0_00


function testSource(){

  if test "$0" != "`echo $0 | sed s/gs3-setup\.sh//`" ; then
  # if $0 contains "gs3-setup.sh" 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 gs3-setup.sh"
     echo " or"
     echo "     $ . gs3-setup.sh"
     echo " not"
     echo "     $ ./gs3-setup.sh"
     unset gsdl_not_sourced
     exit 1
  fi

  if test ! -f gs3-setup.sh ; then
    echo "You must source the script from within the Greenstone home directory"
    exit 1
  fi

}

function setGS3ENV() {

    echo "Setting up your environment for Greenstone3"
    ## main greenstone environment variables ##
    GSDL3SRCHOME=`pwd`
    GSDL3HOME=$GSDL3SRCHOME/web
    export GSDL3HOME
    export GSDL3SRCHOME

    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
    echo "  - Exported GSDL3HOME, GSDL3SRCHOME and GSDLOS"

    #change this if external tomcat
    TOMCAT_HOME=$GSDL3SRCHOME/packages/tomcat


    ## adjustments to users (existing) environment ##

    #PATH
    if [ `isinpath "$PATH" "$GSDL3SRCHOME/bin"` == "false" ]; then
        PATH=$GSDL3SRCHOME/bin/script:$GSDL3SRCHOME/bin:$PATH
        export PATH
        MANPATH=$MANPATH:$GSDL3SRCHOME/doc/man
        export MANPATH
        echo "  - Adjusted PATH"
    else
        echo "  - PATH already correct"
    fi

    #CLASSPATH
    if [ `isinpath "$CLASSPATH" "$GSDL3HOME/WEB-INF/classes"` == "false" ]; then
        CLASSPATH=$GSDL3HOME/WEB-INF/classes:$GSDL3SRCHOME/resources/java:$CLASSPATH
        for JARFILE in $GSDL3SRCHOME/*.jar; do
            CLASSPATH=$CLASSPATH:$JARFILE
        done
        for JARFILE in $GSDL3SRCHOME/lib/jni/*.jar; do
            CLASSPATH=$CLASSPATH:$JARFILE
        done
        for JARFILE in $GSDL3HOME/WEB-INF/lib/*.jar; do
            CLASSPATH=$CLASSPATH:$JARFILE
        done
        for JARFILE in $TOMCAT_HOME/common/endorsed/*.jar; do
            CLASSPATH=$CLASSPATH:$JARFILE
        done    
        for JARFILE in $GSDL3SRCHOME/build/*.jar; do
            CLASSPATH=$CLASSPATH:$JARFILE
        done
        export CLASSPATH
        echo "  - Adjusted CLASSPATH"
    else
        echo "  - CLASSPATH already correct"
    fi

    #LD_LIBRARY_PATH
    if [ `isinpath "$LD_LIBRARY_PATH" "$GSDL3SRCHOME/lib/jni"` == "false" ]; then
        LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$GSDL3SRCHOME/lib/jni
        export LD_LIBRARY_PATH
        DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:$GSDL3SRCHOME/lib/jni
        export DYLD_LIBRARY_PATH
        echo "  - Adjusted LD_LIBRARY_PATH"
    else
        echo "  - LD_LIBRARY_PATH already correct"
    fi

    #ant
    which ant &> /dev/null
    if [ "$?" != "0" ]; then
            ANT_HOME=$GSDL3SRCHOME/packages/ant
            PATH=$ANT_HOME/bin:$PATH
        echo "  - Setup ant"
    else
        echo "  - Ant already setup"
    fi

    echo
}

function checkJava() {
    echo "Checking Java"

  bin/search4j -m $java_min_version &> /dev/null
  if [ "$?" != "0" ]; then

        #java is not set up already
      bin/search4j -m $java_min_version -h packages/jre &> /dev/null
      if [ "$?" == "0" ]; then
            #bundled java exists, set up
            export JAVA_HOME=`pwd`/packages/jre
        echo "  - Exported JAVA_HOME to point to bundled java"
        else
            #no java exists
        echo "  - Failed to locate java ($java_min_version or greater)"
            bin/search4j &> /dev/null; if [ "$?" == "0" ]; then echo "  (It looks like you hava java but it's too old)"; fi
            echo "  - Please set JAVA_HOME or JRE_HOME to point to an appropriate java"
        echo "    And add JAVA_HOME/bin or JRE_HOME/bin to your PATH"
        fi

    else

        #java is already set up
        echo "  - Found java at: `bin/search4j -m $java_min_version`"

  fi
    echo
}

function pauseAndExit(){
 echo -n "Please press any key to continue... "
 read 
}

function isinpath() {
    for file in `echo $1 | sed 's/:/ /g'`; do
        if [ "$file" == "$2" ]; then
            echo true
            return
        fi
    done
    echo false
}

echo
testSource
setGS3ENV
checkJava