Updated Ubuntu 8.04 instructions

Modified the update scripts to check if a download of the tar.gz has succeeded.

docs/INSTALL_UBUNTU_8.04.txt

@@ -115,7 +115,7 @@ ___
 
 set docroot to:
 ###
-docroot=/var/clients
+docroot=/var/www/clients
 ###
 
 Change: application/x-httpd-php=php:/usr/bin/php-cgi to:

server/scripts/ispconfig_update.php

@@ -95,11 +95,13 @@ if($method == 'stable') {
 	$new_version = trim($new_version);
 	if($new_version != ISPC_APP_VERSION) {
 		passthru('/usr/local/ispconfig/server/scripts/update_from_tgz.sh');
+		exit;
 	} else {
 		echo "There are no updates available for ISPConfig ".ISPC_APP_VERSION."\n";
 	}
 } else {
 	passthru('/usr/local/ispconfig/server/scripts/update_from_svn.sh');
+	exit;
 }
 
 

server/scripts/update_from_svn.sh

@@ -5,4 +5,6 @@ svn export svn://svn.ispconfig.org/ispconfig3/trunk/
 cd trunk/install
 php -q update.php
 cd /tmp
-rm -rf /tmp/trunk
\ No newline at end of file
+rm -rf /tmp/trunk
+
+exit 0
\ No newline at end of file

server/scripts/update_from_tgz.sh

@@ -8,8 +8,15 @@ rm -f ISPConfig-3-stable.tar.gz
 fi
 
 wget http://www.ispconfig.org/downloads/ISPConfig-3-stable.tar.gz
-tar xvfz ISPConfig-3-stable.tar.gz
-cd ispconfig3_install/install/
-php -q update.php
-rm -rf /tmp/ispconfig3_install/install
-rm -f ISPConfig-3-stable.tar.gz
\ No newline at end of file
+if [ -f ISPConfig-3-stable.tar.gz ]
+then
+	tar xvfz ISPConfig-3-stable.tar.gz
+	cd ispconfig3_install/install/
+	php -q update.php
+	rm -rf /tmp/ispconfig3_install/install
+	rm -f ISPConfig-3-stable.tar.gz
+else
+	echo "Unable to download the update."
+fi
+
+exit 0
\ No newline at end of file