Fix ruby debugger (#32407)

Closes #ISSUE

Release Notes:

- debugger: Fix Ruby (was broken by #30833)

---------

Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Piotr Osiewicz <peterosiewicz@gmail.com>
Co-authored-by: Cole Miller <m@cole-miller.net>

crates/task/src/lib.rs

@@ -530,6 +530,21 @@ impl EnvVariableReplacer {
     fn new(variables: HashMap<VsCodeEnvVariable, ZedEnvVariable>) -> Self {
         Self { variables }
     }
+
+    fn replace_value(&self, input: serde_json::Value) -> serde_json::Value {
+        match input {
+            serde_json::Value::String(s) => serde_json::Value::String(self.replace(&s)),
+            serde_json::Value::Array(arr) => {
+                serde_json::Value::Array(arr.into_iter().map(|v| self.replace_value(v)).collect())
+            }
+            serde_json::Value::Object(obj) => serde_json::Value::Object(
+                obj.into_iter()
+                    .map(|(k, v)| (self.replace(&k), self.replace_value(v)))
+                    .collect(),
+            ),
+            _ => input,
+        }
+    }
     // Replaces occurrences of VsCode-specific environment variables with Zed equivalents.
     fn replace(&self, input: &str) -> String {
         shellexpand::env_with_context_no_errors(&input, |var: &str| {

crates/task/src/vscode_debug_format.rs

@@ -53,7 +53,7 @@ impl VsCodeDebugTaskDefinition {
                 host: None,
                 timeout: None,
             }),
-            config: self.other_attributes,
+            config: replacer.replace_value(self.other_attributes),
         };
         Ok(definition)
     }
@@ -75,7 +75,7 @@ impl TryFrom<VsCodeDebugTaskFile> for DebugTaskFile {
                 "workspaceFolder".to_owned(),
                 VariableName::WorktreeRoot.to_string(),
             ),
-            // TODO other interesting variables?
+            ("file".to_owned(), VariableName::Filename.to_string()), // TODO other interesting variables?
         ]));
         let templates = file
             .configurations
@@ -94,6 +94,7 @@ fn task_type_to_adapter_name(task_type: &str) -> SharedString {
         "php" => "PHP",
         "cppdbg" | "lldb" => "CodeLLDB",
         "debugpy" => "Debugpy",
+        "rdbg" => "Ruby",
         _ => task_type,
     }
     .to_owned()