Add JVM library convention to build-plugin

build-plugin/build.gradle.kts

@@ -5,6 +5,8 @@ plugins {
 dependencies {
     implementation(files(libs.javaClass.superclass.protectionDomain.codeSource.location))
 
+    implementation(plugin(libs.plugins.kotlin.jvm))
+
     implementation(plugin(libs.plugins.spotless))
 }
 

build-plugin/src/main/kotlin/ThunderbirdPlugins.kt

@@ -0,0 +1,6 @@
+object ThunderbirdPlugins {
+
+    object Library {
+        const val jvm = "thunderbird.library.jvm"
+    }
+}

build-plugin/src/main/kotlin/ThunderbirdProjectConfig.kt

@@ -0,0 +1,6 @@
+import org.gradle.api.JavaVersion
+
+object ThunderbirdProjectConfig {
+
+    val javaVersion = JavaVersion.VERSION_11
+}

build-plugin/src/main/kotlin/thunderbird.library.jvm.gradle.kts

@@ -0,0 +1,13 @@
+plugins {
+    `java-library`
+    id("org.jetbrains.kotlin.jvm")
+}
+
+java {
+    sourceCompatibility = ThunderbirdProjectConfig.javaVersion
+    targetCompatibility = ThunderbirdProjectConfig.javaVersion
+}
+
+dependencies {
+    testImplementation(libs.bundles.library.jvm.test)
+}

gradle/libs.versions.toml

@@ -121,3 +121,11 @@ jdom2 = "org.jdom:jdom2:2.0.6.1"
 icu4j-charset = "com.ibm.icu:icu4j-charset:72.1"
 
 leakcanary-android = "com.squareup.leakcanary:leakcanary-android:2.9.1"
+
+[bundles]
+library-jvm-test = [
+  "junit",
+  "truth",
+  "mockito-inline",
+  "mockito-kotlin",
+]

settings.gradle.kts

@@ -17,6 +17,8 @@ dependencyResolutionManagement {
 
 enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
 
+rootProject.name = "k-9"
+
 includeBuild("build-plugin")
 
 include(