[jrubyscripting] Support using Gemfile with Bundler

Signed-off-by: Jimmy Tanagra <[email protected]>

Author: jimtng

bundles/org.openhab.automation.jrubyscripting/src/main/java/org/openhab/automation/jrubyscripting/internal/JRubyConsoleCommandExtension.java

@@ -220,7 +220,14 @@ private void info(Console console) {
             }
             console.println(groupLabel);
             parameters.forEach(parameter -> {
-                console.println("  " + parameter.getName() + ": " + config.get(parameter.getName()));
+                console.print("  " + parameter.getName() + ": ");
+                String value = config.get(parameter.getName());
+                if (value.contains("\n")) {
+                    console.println("  (multiline)");
+                    console.println("    " + value.replace("\n", "\n    "));
+                } else {
+                    console.println(value);
+                }
             });
             console.println("");
         });
@@ -303,7 +310,20 @@ private void startConsole(Console console, Session session, String[] args) {
     }
 
     synchronized private void bundler(Console console, String[] args) {
+        final String gemfilePath = jRubyScriptEngineFactory.getConfiguration().getGemfilePath();
+        if (gemfilePath == null) {
+            console.println(
+                    "No Gemfile configured. Please set the 'bundle_gemfile_path' or 'bundle_gemfile_content' property in the add-on configuration.");
+            return;
+        }
+
+        // we have to split this because we dont want to format the string with ruby '%w' in it
         final String BUNDLER = """
+                require 'jruby'
+                JRuby.runtime.instance_config.update_native_env_enabled = false
+                ENV['BUNDLE_GEMFILE'] = '%s'
+                """.formatted(gemfilePath) + """
+
                 require "bundler"
                 require "bundler/friendly_errors"
 
@@ -319,20 +339,11 @@ synchronized private void bundler(Console console, String[] args) {
                 end
                 """;
 
-        String originalDir = System.setProperty("user.dir", scriptFileWatcher.getWatchPath().toString());
-        try {
-            executeWithPlainJRuby(console, engine -> {
-                engine.put(ScriptEngine.ARGV, args);
-                engine.eval(BUNDLER);
-                return null;
-            });
-        } finally {
-            if (originalDir == null) {
-                System.clearProperty("user.dir");
-            } else {
-                System.setProperty("user.dir", originalDir);
-            }
-        }
+        executeWithPlainJRuby(console, engine -> {
+            engine.put(ScriptEngine.ARGV, args);
+            engine.eval(BUNDLER);
+            return null;
+        });
     }
 
     synchronized private void gem(Console console, String[] args) {