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= Frege Gradle Plugin

This is the official Gradle plugin to compile Frege projects (https://github.com/Frege/frege).  See the example project (https://github.com/mperry/frege-gradle-example) for examples on the usage of this plugin.

== Plugin Application

The gradle plugin portal page for Frege documents how to apply the Frege plugin (https://plugins.gradle.org/plugin/org.frege-lang).

For applying the plugin in all Gradle versions use:
```
buildscript {
  repositories {
    maven {
      url "https://plugins.gradle.org/m2/"
    }
  }
  dependencies {
    classpath "gradle.plugin.org.frege-lang:frege-gradle-plugin:0.5"
  }
}

apply plugin: "org.frege-lang"
```

To apply the plugin using the new incubating, plugin mechanism (since Gradle 2.1), add:
```
plugins {
  id "org.frege-lang" version "0.7"
}

apply plugin: "org.frege-lang"
```

== Tasks

This plugin creates the following tasks:

* fregeRepl
* fregeQuickCheck
* fregeDoc
* fregeNativeGen
* compileFrege
* compileTestFrege

The plugin adds dependencies so that using the `build` task is typically all that is required to invoke the `compileFrege` and `compileTestFrege` tasks.  These task dependencies include:

* classes -> compileFrege -> compileJava
* testClasses -> compileTestFrege -> compileTestJava
* test -> fregeQuickCheck -> testClasses

== Task Help

=== Configuring QuickCheck

Without any configuration, the `fregeQuickCheck` task (which is triggered as part of the `test` task)
automatically executes all tests from the Frege test source set (default: `src/test/frege`).
It will pick up all functions as tests that return a value of type `Property`. This is usually achieved by
using the factory methods `property` or `once`.
Please see more details under http://www.frege-lang.org/doc/frege/test/QuickCheck.html[QuickCheck API doc].

NOTE: Testing fails if no test is found. If your project does not contain any tests, you have to skip testing via `-x test`.

You can configure the task in many ways. To see all options, you best ask the help:
```
fregeQuickCheck {
    help = true
}
```


TODO: Add options and descriptions for more tasks from above.

== Example

See:

* Plugin application: https://plugins.gradle.org/plugin/org.frege-lang
* Plugin usage: https://github.com/mperry/frege-gradle-example

== Continuous Integration

The Travis CI build of this repository is at https://travis-ci.org/Frege/frege-gradle-plugin.

== Snapshots

Snapshot releases are available from the Sonatype repository at https://oss.sonatype.org/content/groups/public/org/frege-lang.