If I run the jruby script and JAVA_HOME is not set, I get this:
You must set JAVA_HOME to point at your Java Development Kit installation
The system cannot find the batch label specified - cleanup
'""' is not recognized as an internal or external command,
operable program or batch file.
This is likely just a syntax error with the jrubyvars.bat file.
Fixed in rev. 6326 on trunk.
Now, when JAVA_HOME is not set, user will get the following one-line:
"You must set JAVA_HOME to point at your JRE/JDK installation"