Add a `Plugin<Settings>` to the included build

build-logic-settings/build.gradle.kts

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    `kotlin-dsl`
+    alias(libs.plugins.android.lint)
+}
+
+group = "com.google.samples.apps.nowinandroid.buildlogic"
+
+// Configure the build-logic plugins to target JDK 17
+// This matches the JDK used to build the project, and is not related to what is running on device.
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget = JvmTarget.JVM_17
+    }
+}
+
+dependencies {
+}
+
+tasks {
+    validatePlugins {
+        enableStricterValidation = true
+        failOnWarning = true
+    }
+}
+
+gradlePlugin {
+    plugins {
+        register("foo") {
+            id = libs.plugins.nowinandroid.foo.get().pluginId
+            implementationClass = "FooSettingsPlugin"
+        }
+    }
+}

build-logic-settings/gradle.properties

@@ -0,0 +1,6 @@
+# Gradle properties are not passed to included builds https://github.com/gradle/gradle/issues/2534
+org.gradle.parallel=true
+org.gradle.caching=true
+org.gradle.configureondemand=true
+org.gradle.configuration-cache=true
+org.gradle.configuration-cache.parallel=true

build-logic-settings/settings.gradle.kts

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+    }
+}
+
+dependencyResolutionManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+    }
+    versionCatalogs {
+        create("libs") {
+            from(files("../gradle/libs.versions.toml"))
+        }
+    }
+}
+
+rootProject.name = "build-logic-settings"

build-logic-settings/src/main/kotlin/FooSettingsPlugin.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+import org.gradle.api.Plugin
+import org.gradle.api.initialization.Settings
+
+class FooSettingsPlugin : Plugin<Settings> {
+    override fun apply(target: Settings) {
+       System.err.println("FOO!")
+    }
+}

gradle/libs.versions.toml

@@ -198,3 +198,4 @@ nowinandroid-android-room = { id = "nowinandroid.android.room" }
 nowinandroid-android-test = { id = "nowinandroid.android.test" }
 nowinandroid-hilt = { id = "nowinandroid.hilt" }
 nowinandroid-jvm-library = { id = "nowinandroid.jvm.library" }
+nowinandroid-foo = { id = "nowinandroid.foo" }

settings.gradle.kts

@@ -16,6 +16,7 @@
 
 pluginManagement {
     includeBuild("build-logic")
+    includeBuild("build-logic-settings")
     repositories {
         google {
             content {
@@ -76,6 +77,10 @@ include(":sync:work")
 include(":sync:sync-test")
 include(":ui-test-hilt-manifest")
 
+plugins {
+    id("nowinandroid.foo")
+}
+
 check(JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_17)) {
     """
     Now in Android requires JDK 17+ but it is currently using JDK ${JavaVersion.current()}.