val Project.gradleInstallPath: Provider<String>
    get() = gradleProperty(GRADLE_INSTALL_PATH).orElse(
        provider<String> {
            throw RuntimeException("You can't install without setting the $GRADLE_INSTALL_PATH property.")
        }
    )


val Project.rerunAllTests: Provider<Boolean>
    get() = gradleProperty(RERUN_ALL_TESTS).map { true }.orElse(false)

GradleWrapperMain { public static void main(String[]); } org/gradle/wrapper/Install$1.class package org.gradle.wrapper; public final synchronized class Install$1 implements java.util.concurrent.Callable { public void Install$1(java.io.File, java.io.File, java.net.URI, Install, WrapperConfiguration); public final Object call(); } org/gradle/wrapper/Install$InstallCheck.class package org.gradle.wrapper; public final synchronized class Install$InstallCheck { public final java.io.File gradleHome; public final...

1. Run tests.
- Run `./gradlew :<subproject>:quickTest` where `<subproject>` is the name of the subproject you've changed. 
- For example: `./gradlew :launcher:quickTest`.
2. Install Gradle locally and try out a change in behavior manually. 
- Install: `./gradlew install -Pgradle_installPath=/any/path`
- Use: `/any/path/bin/gradle taskName`.

}

tasks.register("installBuildBuilder", GradleBuild) {
    dir = buildBuilder.outputDirectory
    tasks = ['install']
    dependsOn buildBuilder
}

tasks.withType(BuildBuilderGenerator).configureEach {
    buildBuilderInstall = new File(tasks.buildBuilder.outputDirectory, "build/install/build-builder")
    dependsOn installBuildBuilder
}