Index: railsprojects/src/org/netbeans/modules/ruby/railsprojects/RailsProjectGenerator.java
===================================================================
RCS file: /cvs/ruby/railsprojects/src/org/netbeans/modules/ruby/railsprojects/RailsProjectGenerator.java,v
retrieving revision 1.14
diff -u -u -r1.14 RailsProjectGenerator.java
--- railsprojects/src/org/netbeans/modules/ruby/railsprojects/RailsProjectGenerator.java	1 Nov 2007 16:24:03 -0000	1.14
+++ railsprojects/src/org/netbeans/modules/ruby/railsprojects/RailsProjectGenerator.java	14 Nov 2007 20:51:25 -0000
@@ -54,6 +54,7 @@
 import org.netbeans.api.ruby.platform.RubyInstallation;
 import org.netbeans.editor.BaseDocument;
 import org.netbeans.modules.ruby.NbUtilities;
+import org.netbeans.modules.ruby.RubyUtils;
 import org.netbeans.modules.ruby.railsprojects.ui.wizards.PanelOptionsVisual;
 import org.netbeans.modules.ruby.rubyproject.RakeTargetsAction;
 import org.netbeans.modules.ruby.rubyproject.execution.DirectoryFileLocator;
@@ -108,7 +109,9 @@
         
         // Run Rails to generate the appliation skeleton
         if (create) {
-            boolean runThroughRuby = RubyInstallation.getInstance().getVersion("rails") != null; // NOI18N
+            FileObject rails = FileUtil.toFileObject(new File(RubyInstallation.getInstance().getRails()));
+            boolean runThroughRuby = rails != null ? RubyUtils.isRubyFile(rails) : false;
+
             ExecutionDescriptor desc = null;
             String displayName = NbBundle.getMessage(RailsProjectGenerator.class, "GenerateRails");
 
Index: editing/src/org/netbeans/modules/ruby/RubyMimeResolver.java
===================================================================
RCS file: /cvs/ruby/editing/src/org/netbeans/modules/ruby/RubyMimeResolver.java,v
retrieving revision 1.2
diff -u -u -r1.2 RubyMimeResolver.java
--- editing/src/org/netbeans/modules/ruby/RubyMimeResolver.java	2 Oct 2007 12:43:22 -0000	1.2
+++ editing/src/org/netbeans/modules/ruby/RubyMimeResolver.java	14 Nov 2007 20:51:25 -0000
@@ -62,7 +62,7 @@
     public static final String RUBY_MIME_TYPE = "text/x-ruby"; // application/x-ruby is also used a fair bit.
     
     /** Number of bytes to sniff from the file headers */
-    private static final int HEADER_LENGTH = 20;
+    private static final int HEADER_LENGTH = 40;
     
     public RubyMimeResolver() {
     }