fix for GRAILS-1639

git-svn-id: https://svn.codehaus.org/grails/trunk@5765 1cfb16fd-6d17-0410-8ff1-b7e8e1e2867d

Author: graeme

scripts/InstallPlugin.groovy

@@ -45,7 +45,8 @@ or
 target ( "default" : "Installs a plug-in for the given URL or name and version") {
    depends(checkVersion)
 
-   installPlugin()
+   installPlugin() 
+   compile()
 }     
 
 target(cachePlugin:"Implementation target") {

src/commons/org/codehaus/groovy/grails/cli/GrailsScriptRunner.groovy

@@ -71,16 +71,11 @@ Grails home is set to: ${grailsHome}
             println "Base Directory: ${baseDir.absolutePath}"
 
 		    def rootLoader = getClass().classLoader ? getClass().classLoader.rootLoader : Thread.currentThread().getContextClassLoader().rootLoader
-		                        
-		   /*def appDir = new File("${baseDir.absolutePath}/grails-app")
-			Adding the grails-app folders to the root loader causes re-load issues as
-            root loader returns old class before the grails GCL attempts to recompile it
-			if(appDir.exists()) {
-				appDir.eachDir { dir ->
-					rootLoader?.addURL(dir.toURL())
-				}
-			}*/
-
+			def baseName = new File(baseDir.absolutePath).name
+		    def classesDir = new File("${userHome}/.grails/${grailsVersion}/projects/${baseName}/classes")
+			if(classesDir.exists()) {
+				rootLoader.addURL(classesDir.toURL())
+			}
 			def allArgs = args[0].trim()
 
             allArgs = processSystemArguments(allArgs).trim().split(" ")