asset_compiler.rb in vitrine-0.0.30

- old
+ new

@@ -41,10 +41,11 @@
       Vitrine.compile_sass(scss_source_path, get_public)
     rescue Errno::ENOENT # Missing SCSS
       forward_or_halt "No such CSS or SCSS file found"
     rescue Exception => e # CSS syntax error or something alike
       cache_bust!
+      print_compilation_error(e)
       # Add a generated DOM element before <body/> to inject
       # a visible error message
       error_tpl = 'body:before {
         background: white; padding: 3px; font-family: monospaced; color: red; 
         font-size: 14px; content: %s }'
@@ -97,10 +98,12 @@
     rescue Exception => e # CS syntax error or something alike
       
       # Ensure the response with the exception gets reloaded on next request
       cache_bust!
       
+      print_compilation_error(e)
+      
       # Inject the syntax error into the browser console
       console_message = 'console.error(%s)' % [e.class, "\n", "--> ", e.message].join.inspect
       # Avoid 500 because it plays bad with LiveReload
       halt 200, console_message
     end
@@ -149,7 +152,16 @@
   end
   
   def log(msg)
     env['captivity.logger'].debug(msg) if env['captivity.logger']
   end
+  
+  def print_compilation_error(e)
+    # Print the error to $stderr for good measure
+    $stderr.puts "Error when building asset #{request.url.inspect}: #{e.class}: #{e.message}"
+    e.backtrace.each do | line |
+      $stderr.puts "\t#{line}"
+    end
+  end
+  
 end
 