From 28341bed3f9aae95687777af7d17edb621c08791 Mon Sep 17 00:00:00 2001
From: Russell Davis <551404+russelldavis@users.noreply.github.com>
Date: Fri, 11 Jan 2019 16:35:23 -0800
Subject: [PATCH] Compile native version using graal, reducing startup time to
 almost 0

Without this, `kscript --help` takes 0.6 to 0.9 seconds
With this, it takes 0.02 seconds
---
 build.gradle.kts                         | 13 ++++++++++++-
 gradle/wrapper/gradle-wrapper.properties |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index d741f34e..96f93f5f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,12 +3,23 @@ import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 plugins {
     kotlin("jvm") version "1.2.70"
     id("com.github.johnrengelman.shadow") version "2.0.4"
+    id("com.palantir.graal") version "0.2.0-17-g543ec9e"
+}
+
+graal {
+    graalVersion("1.0.0-rc10")
+    mainClass("kscript.app.KscriptKt")
+    outputName("kscript-native")
+    option("--report-unsupported-elements-at-runtime")
+    // Avoids a nasty nondeterministic error in graal: https://github.com/oracle/graal/issues/908
+    option("-H:-UseServiceLoaderFeature")
 }
 
 group = "com.github.holgerbrandl.kscript.launcher"
 
 dependencies {
     compileOnly("org.jetbrains.kotlin:kotlin-stdlib")
+    compile("org.jetbrains.kotlin:kotlin-reflect")
 
     compile("com.offbytwo:docopt:0.6.0.20150202")
 
@@ -50,4 +61,4 @@ val jar by tasks.getting {
 // Build shadowJar when
 val assemble by tasks.getting {
     dependsOn(shadowJar)
-}
\ No newline at end of file
+}
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e6a30918..10cb99e6 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists