element-android/tools/gradle/doctor.gradle

// Default configuration copied from https://runningcode.github.io/gradle-doctor/configuration/

def isCiBuild = System.env.BUILDKITE == "true" || System.env.GITHUB_ACTIONS == "true"
println "Is CI build: $isCiBuild"

doctor {
    /**
     * Throw an exception when multiple Gradle Daemons are running.
     *
     * Windows is not supported yet, see https://github.com/runningcode/gradle-doctor/issues/84
     */
    disallowMultipleDaemons = false
    /**
     * Show a message if the download speed is less than this many megabytes / sec.
     */
    downloadSpeedWarningThreshold = 0.5f
    /**
     * The level at which to warn when a build spends more than this percent garbage collecting.
     */
    GCWarningThreshold = 0.10f
    /**
     * The level at which to fail when a build spends more than this percent garbage collecting.
     */
    GCFailThreshold = 0.9f
    /**
     * Print a warning to the console if we spend more than this amount of time with Dagger annotation processors.
     */
    daggerThreshold = 5000
    /**
     * By default, Gradle caches test results. This can be dangerous if tests rely on timestamps, dates, or other files
     * which are not declared as inputs.
     */
    enableTestCaching = true
    /**
     * By default, Gradle treats empty directories as inputs to compilation tasks. This can cause cache misses.
     */
    failOnEmptyDirectories = true
    /**
     * Do not allow building all apps simultaneously. This is likely not what the user intended.
     */
    allowBuildingAllAndroidAppsSimultaneously = false
    /**
     * Warn if using Android Jetifier. It slows down builds.
     */
    warnWhenJetifierEnabled = true
    /**
     * Negative Avoidance Savings Threshold
     * By default the Gradle Doctor will print out a warning when a task is slower to pull from the cache than to
     * re-execute. There is some variance in the amount of time a task can take when several tasks are running
     * concurrently. In order to account for this there is a threshold you can set. When the difference is above the
     * threshold, a warning is displayed.
     */
    negativeAvoidanceThreshold = 500
    /**
     * Warn when not using parallel GC. Parallel GC is faster for build type tasks and is no longer the default in Java 9+.
     */
    warnWhenNotUsingParallelGC = !isCiBuild
    /**
     * Throws an error when the `Delete` or `clean` task has dependencies.
     * If a clean task depends on other tasks, clean can be reordered and made to run after the tasks that would produce
     * output. This can lead to build failures or just strangeness with seemingly straightforward builds
     * (e.g., gradle clean build).
     * http://github.com/gradle/gradle/issues/2488
     */
    disallowCleanTaskDependencies = true
    /**
     * Warn if using the Kotlin Compiler Daemon Fallback. The fallback is incredibly slow and should be avoided.
     * https://youtrack.jetbrains.com/issue/KT-48843
     */
    warnIfKotlinCompileDaemonFallback = true

    /** Configuration properties relating to JAVA_HOME */
    javaHome {
        /**
         * Ensure that we are using JAVA_HOME to build with this Gradle.
         */
        ensureJavaHomeMatches = true
        /**
         * Ensure we have JAVA_HOME set.
         */
        ensureJavaHomeIsSet = true
        /**
         * Fail on any `JAVA_HOME` issues.
         */
        failOnError.set(!isCiBuild)
        /**
         * Extra message text, if any, to show with the Gradle Doctor message. This is useful if you have a wiki page or
         * other instructions that you want to link for developers on your team if they encounter an issue.
         */
        extraMessage.set("Here's an extra message to show.")
    }
}