From c36c5a6e63fed7d417f57f1c6b18e5b0dadbf557 Mon Sep 17 00:00:00 2001
From: aveliz1999 <github@veliz99.com>
Date: Thu, 4 Jun 2020 15:01:14 -0400
Subject: [PATCH] Add Kotlin support

---
 api/main.go          | 1 +
 lxc/execute          | 3 +++
 lxc/executors/kotlin | 4 ++++
 lxc/versions         | 3 +++
 readme.md            | 8 ++++++++
 tests/test.kt        | 3 +++
 tests/test_all_lxc   | 2 ++
 7 files changed, 24 insertions(+)
 create mode 100755 lxc/executors/kotlin
 create mode 100644 tests/test.kt

diff --git a/api/main.go b/api/main.go
index 9cd0b3e..d42fe81 100644
--- a/api/main.go
+++ b/api/main.go
@@ -73,6 +73,7 @@ func Execute(res http.ResponseWriter, req *http.Request) {
         "go",
         "java",
         "julia", "jl",
+        "kotlin",
         "nasm", "asm",
         "node", "javascript", "js",
         "php",
diff --git a/lxc/execute b/lxc/execute
index e8a9f50..8d51760 100755
--- a/lxc/execute
+++ b/lxc/execute
@@ -66,6 +66,9 @@ case "$lang" in
 "julia" | "jl")
     bin=julia
     ;;
+"kotlin")
+    bin=kotlin
+    ;;
 "nasm" | "asm")
     bin=nasm
     ;;
diff --git a/lxc/executors/kotlin b/lxc/executors/kotlin
new file mode 100755
index 0000000..dcd5eff
--- /dev/null
+++ b/lxc/executors/kotlin
@@ -0,0 +1,4 @@
+cd /tmp/$2
+cp code.code code.kt
+timeout -s KILL 10 kotlinc code.kt -include-runtime -d code.jar
+runuser runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 java -jar code.jar"
diff --git a/lxc/versions b/lxc/versions
index f53836e..024097e 100755
--- a/lxc/versions
+++ b/lxc/versions
@@ -24,6 +24,9 @@ echo '---'
 echo 'julia'
 lxc-attach --clear-env -n piston -- /bin/bash -l -c "julia --version"
 echo '---'
+echo 'kotlin'
+lxc-attach --clear-env -n piston -- /bin/bash -l -c "kotlinc -version"
+echo '---'
 echo 'nasm'
 lxc-attach --clear-env -n piston -- /bin/bash -l -c "nasm -version"
 echo '---'
diff --git a/readme.md b/readme.md
index f9c9fd6..b5b1219 100644
--- a/readme.md
+++ b/readme.md
@@ -145,6 +145,14 @@ tar -xzf julia-1.4.1-linux-x86_64.tar.gz
 echo 'export PATH=$PATH:/opt/julia/julia-1.4.1/bin' >> /opt/.profile
 source /opt/.profile
 
+#install kotlin
+#final binary: /opt/kotlinc/bin/kotlinc
+cd /opt
+wget https://github.com/JetBrains/kotlin/releases/download/v1.3.72/kotlin-compiler-1.3.72.zip
+unzip kotlin-compiler-1.3.72.zip
+rm kotlin-compiler-1.3.72.zip
+echo 'export PATH=$PATH:/opt/kotlinc/bin' >> /opt/.profile
+source /opt/.profile
 
 # create runnable users and apply limits
 for i in {1..150}; do
diff --git a/tests/test.kt b/tests/test.kt
new file mode 100644
index 0000000..a6f9758
--- /dev/null
+++ b/tests/test.kt
@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println("good")
+}
diff --git a/tests/test_all_lxc b/tests/test_all_lxc
index e3cf275..ea9e5b3 100755
--- a/tests/test_all_lxc
+++ b/tests/test_all_lxc
@@ -12,6 +12,8 @@ echo 'testing go'
 ../lxc/execute go test.go
 echo 'testing java'
 ../lxc/execute java test.java
+echo 'testing kotlin'
+../lxc/execute kotlin test.kt
 echo 'testing asm'
 ../lxc/execute asm test.nasm
 echo 'testing js'