Sweet BOM collections

square · Jul 7, 2023 · b572868 · b572868
1 parent 5b80838
commit b572868
Show file tree

Hide file tree

Showing 4 changed files with 119 additions and 22 deletions.
diff --git a/build-logic/build.gradle.kts b/build-logic/build.gradle.kts
@@ -22,6 +22,30 @@ buildscript {
   }
 }
 
+plugins {
+  `kotlin-dsl`
+  `java-gradle-plugin`
+}
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  add("compileOnly", kotlin("gradle-plugin"))
+  add("compileOnly", kotlin("gradle-plugin-api"))
+  implementation(libs.pluginz.kotlin)
+}
+
+gradlePlugin {
+  plugins {
+    create("com.squareup.wire.build.logic") {
+      id = "build-logic"
+      implementationClass = "BuildLogic"
+    }
+  }
+}
+
 rootProject.plugins.withType(NodeJsRootPlugin::class) {
   // 16+ required for Apple Silicon support
   // https://youtrack.jetbrains.com/issue/KT-49109#focus=Comments-27-5259190.0-0

diff --git a/build-logic/src/main/kotlin/BuildLogic.kt b/build-logic/src/main/kotlin/BuildLogic.kt
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2023 Square, Inc.
+ *
+ * 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
+ *
+ * http://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.Project
+
+class BuildLogic : Plugin<Project> {
+  override fun apply(project: Project) {
+    // Do nothing.
+  }
+}
diff --git a/build-logic/src/main/kotlin/bom.kt b/build-logic/src/main/kotlin/bom.kt
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2023 Square, Inc.
+ *
+ * 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
+ *
+ * http://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 java.util.Locale
+import org.gradle.api.Project
+import org.gradle.api.artifacts.dsl.DependencyConstraintHandler
+import org.gradle.kotlin.dsl.getByType
+import org.gradle.kotlin.dsl.withType
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+import org.jetbrains.kotlin.gradle.plugin.KotlinAndroidPluginWrapper
+import org.jetbrains.kotlin.gradle.plugin.KotlinJsPluginWrapper
+import org.jetbrains.kotlin.gradle.plugin.KotlinMultiplatformPluginWrapper
+import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinMetadataTarget
+import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget
+
+/**
+ * Collect all the root project's multiplatform targets and add them to the BOM.
+ *
+ * Only published subprojects are included.
+ *
+ * This supports Kotlin/Multiplatform and Kotlin/JS subprojects.
+ */
+fun Project.collectBomConstraints() {
+  val bomConstraints: DependencyConstraintHandler = dependencies.constraints
+  rootProject.subprojects {
+    val subproject = this
+
+    subproject.plugins.withId("com.vanniktech.maven.publish.base") {
+      subproject.plugins.withType<KotlinAndroidPluginWrapper> {
+        bomConstraints.api(subproject)
+      }
+
+      subproject.plugins.withType<KotlinJsPluginWrapper> {
+        bomConstraints.api(subproject)
+      }
+
+      subproject.plugins.withType<KotlinMultiplatformPluginWrapper> {
+        subproject.extensions.getByType<KotlinMultiplatformExtension>().targets.all {
+          bomConstraints.api(dependencyConstraint(this))
+        }
+      }
+    }
+  }
+}
+
+/** Returns a string like "com.squareup.okio:okio-iosarm64:3.4.0" for this target. */
+private fun Project.dependencyConstraint(target: KotlinTarget): String {
+  val artifactId = when (target) {
+    is KotlinMetadataTarget -> name
+    is KotlinJsTarget -> "$name-js"
+    else -> "$name-${target.targetName.toLowerCase(Locale.ROOT)}"
+  }
+  return "$group:$artifactId:$version"
+}
+
+private fun DependencyConstraintHandler.api(constraintNotation: Any) =
+  add("api", constraintNotation)
diff --git a/wire-bom/build.gradle.kts b/wire-bom/build.gradle.kts
@@ -1,30 +1,10 @@
 plugins {
   id("com.vanniktech.maven.publish.base")
   id("java-platform")
+  id("com.squareup.wire.build.logic")
 }
 
-dependencies {
-  constraints {
-    api(projects.wireCompiler)
-    api(projects.wireGradlePlugin)
-    api(projects.wireGrpcClient)
-    api(projects.wireGrpcClient.group + ":wire-grpc-client-jvm:" + projects.wireGrpcClient.version)
-    api(projects.wireGrpcServer)
-    api(projects.wireGrpcServerGenerator)
-    api(projects.wireGrpcMockwebserver)
-    api(projects.wireGsonSupport)
-    api(projects.wireJavaGenerator)
-    api(projects.wireKotlinGenerator)
-    api(projects.wireMoshiAdapter)
-    api(projects.wireReflector)
-    api(projects.wireRuntime)
-    api(projects.wireRuntime.group + ":wire-runtime-jvm:" + projects.wireRuntime.version)
-    api(projects.wireSchema)
-    api(projects.wireSchema.group + ":wire-schema-jvm:" + projects.wireSchema.version)
-    api(projects.wireSchemaTests)
-    api(projects.wireSwiftGenerator)
-  }
-}
+collectBomConstraints()
 
 extensions.configure<PublishingExtension> {
   publications.create("maven", MavenPublication::class) {