Updated to `Kotlin 1.8.20`

packages/kotlin/1.8.20/build.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# Download and extract JDK8
+curl -L "https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u292-b10/OpenJDK8U-jdk_x64_linux_hotspot_8u292b10.tar.gz" -o jdk.tar.gz
+tar xzf jdk.tar.gz --strip-components=1
+rm jdk.tar.gz
+
+# Download and extract Kotlin
+curl -L "https://github.com/JetBrains/kotlin/releases/download/v1.8.20/kotlin-compiler-1.8.20.zip" -o kotlin.zip
+unzip kotlin.zip
+rm kotlin.zip
+cp -r kotlinc/* .
+rm -rf kotlinc

packages/kotlin/1.8.20/compile

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+rename 's/$/\.kt/' "$@" # Add .kt extension
+
+# Compile Kotlin code to a jar file
+kotlinc *.kt -include-runtime -d code.jar

packages/kotlin/1.8.20/environment

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# Add java and kotlinc to path
+export PATH=$PWD/bin:$PATH

packages/kotlin/1.8.20/metadata.json

@@ -0,0 +1,5 @@
+{
+    "language": "kotlin",
+    "version": "1.8.20",
+    "aliases": ["kt"]
+}

packages/kotlin/1.8.20/run

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+# Run jar file
+shift
+java -jar code.jar "$@"

packages/kotlin/1.8.20/test.kt

@@ -0,0 +1,3 @@
+fun main() {
+    println("OK")
+}