This improvement allows the ext environment to be upgraded without the portal source code.
For example, if you want to upgrade your ext environment from 5.1.4 to 5.1.5
- Download the 5.1.5 ext environment
- Create a build.<username>.properties file in the 5.1.5 ext environment.
- Add lp.ext.dir=/path/to/your/5.1.4/ext/environment
- Execute the Ant target "upgrade-ext"