[gradle-user] Trying to use expand() in the copy task

[David Kowis]

Found this:
http://mrhaki.blogspot.com/2010/10/gradle-goodness-parse-files-with.html
And I've been looking at the documentation:
http://www.gradle.org/releases/1.0-milestone-3/docs/dsl/org.gradle.api.tasks.Copy.html

However I'm having trouble getting a task to work.
It's a dynamic task, and I've gotten that stuff working. Basically we
have a properties file, and then some filters we apply to it, to set the
values for those properties in different deployment environments.
I've gotten the properties file loaded, and the task written to export
the data, but it bombs horribly.

First the dynamic task:
<paste>
[ "local", "prod", "staging", "test", "uat"].each() { env ->
  task("configuration$env", type: Copy) {
    def props = new Properties()
    doFirst {
      println "Loading up teh properties for ${env}"
      //Load in the properties file
      new
File("src/main/filters/filter-${env}.properties").withInputStream {
        stream -> props.load(stream)
      }
      props.each() { k,v ->
        println "---> ${k} --> ${v}"
      }
    }
    from("src/main/config")
    into "build/properties/$env"
    expand(props)
  }
  processResources.dependsOn "configuration$env"
}
</paste>

The properties exist and are loaded. the println for the props.each()
happens and I see the proper properties, as listed:
<output>
$ gradle clean test
:clean
:configurationlocal
Loading up teh properties for local
---> my.hazelcast.multicast.group --> 224.1.1.130
---> my.database.schema --> PUBLIC
---> my.hazelcast.multicast.port --> 54445
---> my.scheme --> http
---> my.database.dialect --> org.hibernate.dialect.H2Dialect
---> my.authority --> localhost:8185
---> my.hazelcast.group.name --> incident-dev
---> my.database.url --> jdbc:h2:mem:change-db;DB_CLOSE_DELAY=-1;MODE=oracle
---> my.hazelcast.network.port --> 31337
---> my.hazelcast.log.enabled --> false
---> my.database.hbm2ddl.auto --> create
---> my.database.driverClassName --> org.h2.Driver
---> my.hazelcast.multicast.enabled --> true
---> my.hazelcast.group.password --> development is fun
---> my.database.password --> INCIDENT
---> my.servicemix.wsdlLocation --> http://path/to/some/wsdl
---> my.incident.geoId --> US
---> my.database.username --> INCIDENT

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':configurationlocal'.
Cause: Could not copy file
'/home/dkowis/gitwork/itsm/incident-service/src/main/config/incident-service.properties'
to
'/home/dkowis/gitwork/itsm/incident-service/build/properties/local/incident-service.properties'.
Cause: No such property: my for class: SimpleTemplateScript1
</output>

So as I read the documentation, passing in the props to the thing should
enable the template engine to have the right data to filter my
properties files correctly, but it doesn't appear to be :(

I'm sure I'm doing something simple wrong, that looks like it should
work, but doesn't. How do I get the properties values into that expand
"method" so that my files will be properly filtered?

Thanks in advance for help,
David

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