mirror of
https://github.com/flutter/flutter
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179 lines
7.4 KiB
Groovy
179 lines
7.4 KiB
Groovy
// This script is used to initialize the build in a module or plugin project.
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// During this phase, the script applies the Maven plugin and configures the
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// destination of the local repository.
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// The local repository will contain the AAR and POM files.
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import java.nio.file.Paths
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import org.gradle.api.Project
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import org.gradle.api.artifacts.Configuration
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import org.gradle.api.artifacts.maven.MavenDeployer
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import org.gradle.api.plugins.MavenPlugin
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import org.gradle.api.tasks.Upload
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void configureProject(Project project, String outputDir) {
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if (!project.hasProperty("android")) {
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throw new GradleException("Android property not found.")
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}
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if (!project.android.hasProperty("libraryVariants")) {
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throw new GradleException("Can't generate AAR on a non Android library project.");
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}
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project.apply plugin: "maven"
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// Snapshot versions include the timestamp in the artifact name.
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// Therefore, remove the snapshot part, so new runs of `flutter build aar` overrides existing artifacts.
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// This version isn't relevant in Flutter since the pub version is used
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// to resolve dependencies.
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project.version = project.version.replace("-SNAPSHOT", "")
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if (project.hasProperty("buildNumber")) {
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project.version = project.property("buildNumber")
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}
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project.android.libraryVariants.all { variant ->
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addAarTask(project, variant)
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}
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project.uploadArchives {
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repositories {
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mavenDeployer {
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repository(url: "file://${outputDir}/outputs/repo")
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}
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}
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}
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if (!project.property("is-plugin").toBoolean()) {
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return
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}
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if (project.hasProperty('localEngineOut')) {
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// TODO(egarciad): Support local engine.
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// This most likely requires refactoring `flutter.gradle`, so the logic can be reused.
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throw new GradleException(
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"Local engine isn't supported when building the plugins as AAR. " +
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"See: https://github.com/flutter/flutter/issues/40866")
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}
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String storageUrl = System.getenv('FLUTTER_STORAGE_BASE_URL') ?: "https://storage.googleapis.com"
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// This is a Flutter plugin project. Plugin projects don't apply the Flutter Gradle plugin,
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// as a result, add the dependency on the embedding.
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project.repositories {
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maven {
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url "$storageUrl/download.flutter.io"
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}
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}
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String engineVersion = Paths.get(getFlutterRoot(project), "bin", "internal", "engine.version")
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.toFile().text.trim()
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project.dependencies {
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// Add the embedding dependency.
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compileOnly ("io.flutter:flutter_embedding_release:1.0.0-$engineVersion") {
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// We only need to expose io.flutter.plugin.*
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// No need for the embedding transitive dependencies.
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transitive = false
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}
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}
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}
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void configurePlugin(Project project, String outputDir) {
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if (!project.hasProperty("android")) {
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// A plugin doesn't support the Android platform when this property isn't defined in the plugin.
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return
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}
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configureProject(project, outputDir)
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}
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String getFlutterRoot(Project project) {
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if (!project.hasProperty("flutter-root")) {
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throw new GradleException("The `-Pflutter-root` flag must be specified.")
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}
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return project.property("flutter-root")
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}
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void addAarTask(Project project, variant) {
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String variantName = variant.name.capitalize()
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String taskName = "assembleAar$variantName"
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project.tasks.create(name: taskName) {
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// This check is required to be able to configure the archives before `uploadArchives` runs.
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if (!project.gradle.startParameter.taskNames.contains(taskName)) {
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return
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}
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project.uploadArchives.repositories.mavenDeployer {
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pom {
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artifactId = "${project.name}_${variant.name.toLowerCase()}"
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}
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}
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overrideDefaultPublishConfig(project, variant)
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// Generate the Maven artifacts.
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finalizedBy "uploadArchives"
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}
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}
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// This method mimics the logic in AGP when `android.defaultPublishConfig` is set in `build.gradle`:
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// https://android.googlesource.com/platform/tools/base/+/studio-master-dev/build-system/gradle-core/src/main/java/com/android/build/gradle/internal/variant/VariantHelper.java
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//
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// Unfortunately, `android.defaultPublishConfig` cannot be overriden at this point since
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// AGP already run this code.
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void overrideDefaultPublishConfig(Project project, variant) {
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String variantName = variant.name.capitalize()
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Task bundle = project.tasks.findByName("bundle${variantName}Aar") // gradle:3.2.0
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if (bundle == null) {
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bundle = project.tasks.findByName("bundle${variantName}") // gradle:3.1.0
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}
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if (bundle == null) {
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throw new GradleException("Can't generate AAR for variant ${variantName}.");
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}
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// Clear the current archive artifacts since the artifacts are based on `android.defaultPublishConfig`.
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project.configurations["archives"].artifacts.clear()
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// Add the artifact that will be published.
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project.artifacts.add("archives", bundle)
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def scopeMappings = project.uploadArchives.repositories.mavenDeployer.pom.scopeMappings
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// Clear the scope mappings added by AGP since they are based on the current `android.defaultPublishConfig`.
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scopeMappings.mappings.clear()
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// Add the new mappings.
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for (Configuration configuration : flattenConfiguration(variant.runtimeConfiguration)) {
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scopeMappings.addMapping(/* priority = */ 300, configuration, "compile")
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}
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}
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Set<Configuration> flattenConfiguration(Configuration configuration) {
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Set<Configuration> configs = [configuration]
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for (Configuration extend : configuration.extendsFrom) {
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configs.addAll(flattenConfiguration(extend))
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}
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return configs
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}
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projectsEvaluated {
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assert rootProject.hasProperty("is-plugin")
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if (rootProject.property("is-plugin").toBoolean()) {
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assert rootProject.hasProperty("output-dir")
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// In plugin projects, the root project is the plugin.
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configureProject(rootProject, rootProject.property("output-dir"))
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return
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}
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// The module project is the `:flutter` subproject.
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Project moduleProject = rootProject.subprojects.find { it.name == "flutter" }
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assert moduleProject != null
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assert moduleProject.hasProperty("output-dir")
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configureProject(moduleProject, moduleProject.property("output-dir"))
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// Gets the plugin subprojects.
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Set<Project> modulePlugins = rootProject.subprojects.findAll {
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it.name != "flutter" && it.name != "app"
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}
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// When a module is built as a Maven artifacts, plugins must also be built this way
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// because the module POM's file will include a dependency on the plugin Maven artifact.
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// This is due to the Android Gradle Plugin expecting all library subprojects to be published
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// as Maven artifacts.
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modulePlugins.each { pluginProject ->
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configurePlugin(pluginProject, moduleProject.property("output-dir"))
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moduleProject.android.libraryVariants.all { variant ->
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// Configure the `assembleAar<variantName>` task for each plugin's projects and make
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// the module's equivalent task depend on the plugin's task.
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String variantName = variant.name.capitalize()
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moduleProject.tasks.findByPath("assembleAar$variantName")
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.dependsOn(pluginProject.tasks.findByPath("assembleAar$variantName"))
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}
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}
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}
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