executable: gradle
args: clean processTemplatesAdHocSkipWhenEmpty
expected-output-file: incrementalAdHocTaskNoSource.out
allow-additional-output: true

            expand([year: '2013'])
        }

// tag::ad-hoc-task[]
    }
}
// end::ad-hoc-task[]

// tag::ad-hoc-task-skip-when-empty[]
tasks.register('processTemplatesAdHocSkipWhenEmpty') {
    // ...

    inputs.files(fileTree('src/templates') {
            include '**/*.fm'
        })
        .skipWhenEmpty()
        .withPropertyName('sourceFiles')

            expand("year" to "2012")
        }

// tag::ad-hoc-task[]
    }
}
// end::ad-hoc-task[]

// tag::ad-hoc-task-skip-when-empty[]
tasks.register("processTemplatesAdHocSkipWhenEmpty") {
    // ...

    inputs.files(fileTree("src/templates") {
            include("**/*.fm")
        })
        .skipWhenEmpty()
        .withPropertyName("sourceFiles")

> Task :processTemplatesAdHocSkipWhenEmpty NO-SOURCE

BUILD SUCCESSFUL in 0s

include::sample[dir="snippets/tasks/incrementalBuild-customTaskClass/groovy",files="build.gradle[tags=ad-hoc-task-skip-when-empty]"]

.Output of **`gradle clean processTemplatesAdHocSkipWhenEmpty`**
----
> gradle clean processTemplatesAdHocSkipWhenEmpty
include::{snippetsPath}/tasks/incrementalBuild-customTaskClass/tests/incrementalAdHocTaskNoSource.out[]
----
====