Merge pull request #12 from build-extensions-oss/bytecode8

Switch to Java8 bytecode

Author: imanushin

buildSrc/src/main/kotlin/kotlin-convention.gradle.kts

@@ -1,5 +1,7 @@
 import org.gradle.kotlin.dsl.configure
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.dsl.KotlinJvmProjectExtension
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     `java-library`
@@ -17,11 +19,24 @@ repositories {
 }
 
 configure<KotlinJvmProjectExtension> {
-    // fix the toolchain for now
+    // Set the toolchain 11 to do everything, because kotest doesn't support Java 8
     jvmToolchain(11)
 }
 
+
+tasks.withType<KotlinCompile>().configureEach {
+    // manually decrease the version for releasing classes
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+}
+tasks.withType<JavaCompile>().configureEach {
+    // synchronize Java version with Kotlin compiler
+    options.release.set(8)
+}
+
 dependencies {
+    // compile only - we will use Gradle dependency in real life
     compileOnly(kotlin("stdlib"))
     compileOnly(kotlin("stdlib-jdk8"))
 }

gradle-plugin-integration-test-utils/gradle.lockfile

@@ -3,8 +3,6 @@
 # This file is expected to be part of source control.
 com.google.code.findbugs:jsr305:3.0.2=runtimeClasspath,testRuntimeClasspath
 org.javassist:javassist:3.28.0-GA=runtimeClasspath,testRuntimeClasspath
-org.jetbrains.kotlin:kotlin-stdlib:1.9.20=testRuntimeClasspath
-org.jetbrains:annotations:13.0=testRuntimeClasspath
 org.reflections:reflections:0.10.2=runtimeClasspath,testRuntimeClasspath
 org.slf4j:slf4j-api:1.7.32=runtimeClasspath,testRuntimeClasspath
 empty=

gradle-plugin-test-utils/gradle.lockfile

@@ -3,8 +3,6 @@
 # This file is expected to be part of source control.
 com.google.code.findbugs:jsr305:3.0.2=runtimeClasspath,testRuntimeClasspath
 org.javassist:javassist:3.28.0-GA=runtimeClasspath,testRuntimeClasspath
-org.jetbrains.kotlin:kotlin-stdlib:1.9.20=testRuntimeClasspath
-org.jetbrains:annotations:13.0=testRuntimeClasspath
 org.reflections:reflections:0.10.2=runtimeClasspath,testRuntimeClasspath
 org.slf4j:slf4j-api:1.7.32=runtimeClasspath,testRuntimeClasspath
 empty=

gradle-plugin-utils/gradle.lockfile

@@ -51,10 +51,10 @@ net.java.dev.jna:jna:5.9.0=testRuntimeClasspath
 org.hamcrest:hamcrest-core:1.3=testRuntimeClasspath
 org.javassist:javassist:3.28.0-GA=testRuntimeClasspath
 org.jetbrains.kotlin:kotlin-reflect:1.8.20=testRuntimeClasspath
-org.jetbrains.kotlin:kotlin-stdlib-common:1.9.20=testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-stdlib-common:1.8.20=testRuntimeClasspath
 org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.20=testRuntimeClasspath
 org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.20=testRuntimeClasspath
-org.jetbrains.kotlin:kotlin-stdlib:1.9.20=testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-stdlib:1.8.20=testRuntimeClasspath
 org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.7.0=testRuntimeClasspath
 org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.7.0=testRuntimeClasspath
 org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.0=testRuntimeClasspath

gradle.properties

@@ -1,7 +1,7 @@
 kotlin.code.style=official
 
 group=io.github.build-extensions-oss
-version=0.5.0
+version=0.5.1
 
 projectName=Gradle Plugin Utilities
 projectDescription=A collection of utilities for developing Gradle plugins
@@ -14,4 +14,7 @@ githubRepo=build-extensions-oss/gradle-plugin-utils
 # Enable publication tasks by default
 mavenCentralPublishing=true
 # Sign everything by default - otherwise Maven Central will reject us
-signAllPublications=true
+signAllPublications=true
+
+# don't add stdlib dependency - we will not reference it, we will use it from Gradle
+kotlin.stdlib.default.dependency=false