Merge 2a9de4d7b2 into 1d55a41a2d

Currently, Piston does not support multi-file Java submissions

This change turns Java into a compiled language, while still maintaining the flexibility of single file submissions.

api/src/job.js

@@ -156,7 +156,11 @@ class Job {
                 '-s',
                 '-c',
                 '/box/submission',
-                '-e',
+                '-E',
+                'HOME=/tmp',
+                ...this.runtime.env_vars.flat_map(v => ['-E', v]),
+                '-E',
+                `PISTON_LANGUAGE=${this.runtime.language}`,
                 `--dir=${this.runtime.pkgdir}`,
                 `--dir=/etc:noexec`,
                 `--processes=${this.runtime.max_process_count}`,
@@ -175,10 +179,6 @@ class Job {
                 ...args,
             ],
             {
-                env: {
-                    ...this.runtime.env_vars,
-                    PISTON_LANGUAGE: this.runtime.language,
-                },
                 stdio: 'pipe',
             }
         );

api/src/runtime.js

@@ -178,15 +178,7 @@ class Runtime {
             const env_file = path.join(this.pkgdir, '.env');
             const env_content = fss.read_file_sync(env_file).toString();
 
-            this._env_vars = {};
-
-            env_content
-                .trim()
-                .split('\n')
-                .map(line => line.split('=', 2))
-                .forEach(([key, val]) => {
-                    this._env_vars[key.trim()] = val.trim();
-                });
+            this._env_vars = env_content.trim().split('\n');
         }
 
         return this._env_vars;

packages/java/15.0.2/compile

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Check if exactly one argument is provided
+if [ $# -eq 1 ]; then
+    mv $1 $1.java
+    filename=$1.java
+    shift
+    java $filename "$@"
+else
+    # Initialize an empty array to hold the filenames
+    declare -a javaFiles
+
+    # Loop through each argument
+    for file in "$@"; do
+        # Check if the file already ends with .java
+        if [[ "$file" == *.java ]]; then
+            # If it does, add it directly to the array
+            javaFiles+=("$file")
+        else
+            # If it doesn't, add .java extension then add to the array
+            javaFiles+=("${file}.java")
+        fi
+    done
+
+    # Compile all Java files at once
+    javac "${javaFiles[@]}"
+
+    # Run the compiled Java classes
+    # Assuming the first argument is the main class file to run
+    # Remove .java extension from the main class name if present
+    mainClass="${1%.java}"
+    # Execute the main class
+    java "$mainClass"
+fi