switched to just use bourne shell and not necessarily bash

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@423 b35dd754-fafc-0310-a699-88a17e54d16e

src/bin/startup.sh

-#!/bin/bash
-
-#
-# $RCSfile$
-# $Revision$
-# $Date$
-#
-
-# tries to determine arguments to launch messenger
-
-# OS specific support.  $var _must_ be set to either true or false.
-cygwin=false;
-darwin=true;
-case "`uname`" in
-  CYGWIN*) cygwin=true ;;
-  Darwin*) darwin=true
-           if [ -z "$JAVA_HOME" ] ; then
-             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home
-           fi
-           ;;
-esac
-
-#if messenger home is not set or is not a directory
-if [ -z "$MESSENGER_HOME" -o ! -d "$MESSENGER_HOME" ]; then
-
-	if [ -d /opt/messenger ] ; then
-		MESSENGER_HOME="/opt/messenger"
-	elif [ -d /usr/local/messenger ] ; then
-		MESSENGER_HOME="/usr/local/messenger"
-	elif [ -d ${HOME}/messenger ] ; then
-		MESSENGER_HOME="${HOME}/messenger"
-	elif [ -d ${HOME}/opt/messenger ] ; then
-		MESSENGER_HOME="${HOME}/opt/messenger"
-	else 
-		#resolve links - $0 may be a link in messenger's home
-		PRG="0"
-		progname=`basename "$0$"`
-
-		# need this for relative symlinks
-
-		# 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"`"/$link"
-    			fi
-  		done
-
-		#assumes we are in the bin directory
-		MESSENGER_HOME=`dirname "$PRG"`/..
-
-		#make it fully qualified
-		MESSENGER_HOME=`cd "$MESSENGER_HOME" && pwd`
-	fi
-fi
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched
-if $cygwin ; then
-	[ -n "$MESSENGER_HOME" ] &&
-    		MESSENGER_HOME=`cygpath --unix "$MESSENGER_HOME"`
-  	[ -n "$JAVA_HOME" ] &&
-    		JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
-#set the MESSENGER_LIB location
-MESSENGER_LIB="${MESSENGER_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 $JAVACMD"
-  	exit 1
-fi
-
-if [ -z "$LOCALCLASSPATH" ] ; then
-	LOCALCLASSPATH=$MESSENGER_LIB/startup.jar
-else
-      	LOCALCLASSPATH=$MESSENGER_LIB/startup.jar:$LOCALCLASSPATH
-fi
-
-# For Cygwin, switch paths to appropriate format before running java
-if $cygwin; then
-  	if [ "$OS" = "Windows_NT" ] && cygpath -m .>/dev/null 2>/dev/null ; then
-    		format=mixed
-  	else
-    		format=windows
-  	fi
-  	MESSENGER_HOME=`cygpath --$format "$MESSENGER_HOME"`
-  	MESSENGER_LIB=`cygpath --$format "$MESSENGER_LIB"`
-  	JAVA_HOME=`cygpath --$format "$JAVA_HOME"`
-  	LOCALCLASSPATH=`cygpath --path --$format "$LOCALCLASSPATH"`
-  	if [ -n "$CLASSPATH" ] ; then
-    		CLASSPATH=`cygpath --path --$format "$CLASSPATH"`
-  	fi
-  	CYGHOME=`cygpath --$format "$HOME"`
-fi
-
-# add a second backslash to variables terminated by a backslash under cygwin
-if $cygwin; then
-  case "$MESSENGER_HOME" in
-    *\\ )
-    MESSENGER_HOME="$MESSENGER_HOME\\"
-    ;;
-  esac
-  case "$CYGHOME" in
-    *\\ )
-    CYGHOME="$CYGHOME\\"
-    ;;
-  esac
-  case "$LOCALCLASSPATH" in
-    *\\ )
-    LOCALCLASSPATH="$LOCALCLASSPATH\\"
-    ;;
-  esac
-  case "$CLASSPATH" in
-    *\\ )
-    CLASSPATH="$CLASSPATH\\"
-    ;;
-  esac
-fi
-
-OLDPWD=`pwd`
-cd $MESSENGER_HOME/bin
-messenger_exec_command="exec \"$JAVACMD\" $MESSENGER_OPTS -classpath \"$LOCALCLASSPATH\" -jar \"$MESSENGER_LIB\"/startup.jar"
-eval $messenger_exec_command
-
-cd $OLDPWD