From 7a7ebe724e43a3a466c05da360e4cebf644fbba9 Mon Sep 17 00:00:00 2001
From: Hubert Van De Walle <hubv@protonmail.com>
Date: Thu, 1 Apr 2021 23:48:31 +0200
Subject: [PATCH] Add GraalVM native image

---
 README.md                                                | 8 ++++++++
 app/resources/META-INF/native-image/reflect-config.json  | 5 +++++
 app/resources/META-INF/native-image/resource-config.json | 5 +++++
 buildSrc/src/main/kotlin/java-convention.gradle.kts      | 4 ++--
 buildSrc/src/main/kotlin/kotlin-convention.gradle.kts    | 2 +-
 5 files changed, 21 insertions(+), 3 deletions(-)
 create mode 100644 app/resources/META-INF/native-image/reflect-config.json
 create mode 100644 app/resources/META-INF/native-image/resource-config.json

diff --git a/README.md b/README.md
index ebeaafc..805e0d3 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,14 @@ cd app/build/install/app-shadow
 
 Move the executable somewhere in your $PATH
 
+Or build a native image with GraalVM
+
+```bash
+./gradlew installShadowDist
+cd app/build/install/app-shadow/lib
+native-image --no-fallback -R:MaxNewSize=32 -jar scaffold.jar
+```
+
 ## Usage
 
 ### Create a generator
diff --git a/app/resources/META-INF/native-image/reflect-config.json b/app/resources/META-INF/native-image/reflect-config.json
new file mode 100644
index 0000000..e5d3dbc
--- /dev/null
+++ b/app/resources/META-INF/native-image/reflect-config.json
@@ -0,0 +1,5 @@
+[
+{
+  "name":"com.electronwill.nightconfig.toml.TomlFormat"
+}
+]
diff --git a/app/resources/META-INF/native-image/resource-config.json b/app/resources/META-INF/native-image/resource-config.json
new file mode 100644
index 0000000..6611a21
--- /dev/null
+++ b/app/resources/META-INF/native-image/resource-config.json
@@ -0,0 +1,5 @@
+{
+  "resources":{
+  "includes":[{"pattern":"\\QMETA-INF/services/org.slf4j.spi.SLF4JServiceProvider\\E"}]},
+  "bundles":[]
+}
diff --git a/buildSrc/src/main/kotlin/java-convention.gradle.kts b/buildSrc/src/main/kotlin/java-convention.gradle.kts
index ab553e8..57939e7 100644
--- a/buildSrc/src/main/kotlin/java-convention.gradle.kts
+++ b/buildSrc/src/main/kotlin/java-convention.gradle.kts
@@ -12,8 +12,8 @@ repositories {
 }
 
 java {
-    targetCompatibility = JavaVersion.toVersion(15)
-    sourceCompatibility = JavaVersion.toVersion(15)
+    targetCompatibility = JavaVersion.toVersion(11)
+    sourceCompatibility = JavaVersion.toVersion(11)
 }
 
 tasks.withType<JavaCompile> {
diff --git a/buildSrc/src/main/kotlin/kotlin-convention.gradle.kts b/buildSrc/src/main/kotlin/kotlin-convention.gradle.kts
index cda0178..f5728e3 100644
--- a/buildSrc/src/main/kotlin/kotlin-convention.gradle.kts
+++ b/buildSrc/src/main/kotlin/kotlin-convention.gradle.kts
@@ -17,7 +17,7 @@ tasks.withType<Test> {
 
 tasks.withType<KotlinCompile> {
     kotlinOptions {
-        jvmTarget = "15"
+        jvmTarget = "11"
         javaParameters = true
         freeCompilerArgs = listOf("-Xopt-in=kotlin.RequiresOptIn")
     }