add crystal

lxc/executors/crystal

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+cd /tmp/$2
+crystal build code.code
+timeout -s KILL 3 xargs -a args.args -d '\n' ./code < stdin.stdin

lxc/test_all_lxc

@@ -9,6 +9,8 @@ echo -n 'testing c = '
 ../../cli/execute c c.c
 echo -n 'testing cpp = '
 ../../cli/execute cpp cpp.cpp
+echo -n 'testing crystal = '
+../../cli/execute crystal crystal.cr
 echo -n 'testing csharp = '
 ../../cli/execute csharp csharp.cs
 echo -n 'testing deno = '

lxc/tests/crystal.cr

@@ -0,0 +1 @@
+puts "good"

lxc/versions

@@ -21,6 +21,10 @@ echo 'cpp'
 lxc-attach --clear-env -n piston -- /bin/bash -l -c "g++ --version"
 echo '---'
 
+echo 'crystal'
+lxc-attach --clear-env -n piston -- /bin/bash -l -c "crystal -v"
+echo '---'
+
 echo 'csharp'
 lxc-attach --clear-env -n piston -- /bin/bash -l -c "mcs --version"
 echo '---'

shared/languages.json

@@ -38,6 +38,13 @@
             "c"
         ]
     },
+    {
+        "name": "crystal",
+        "aliases": [
+            "crystal"
+            "cr"
+        ]
+    },
     {
         "name": "lisp",
         "aliases": [

var/install.txt

@@ -222,6 +222,15 @@ cd Brainfuck-interpreter
 echo 'export PATH=$PATH:/opt/bf/Brainfuck-interpreter' >> /opt/.profile
 source /opt/.profile
 
+# install crystal
+# final binary: /opt/crystal/crystal-0.35.1-1/bin/crystal
+# get version: /opt/crystal/crystal-0.35.1-1/bin/crystal -v
+cd /opt && mkdir crystal && cd crystal
+wget https://github.com/crystal-lang/crystal/releases/download/0.35.1/crystal-0.35.1-1-linux-x86_64.tar.gz
+tar -xzf crystal-0.35.1-1-linux-x86_64.tar.gz
+echo 'export PATH="$PATH:/opt/crystal/crystal-0.35.1-1/bin:$PATH"' >> /opt/.profile
+source /opt/.profile
+
 # create runnable users and apply limits
 for i in {1..150}; do
     useradd -M runner$i