Update src/agent/executor.rs

src/agent/executor.rs

@@ -1,14 +1,20 @@
 use std::process::Command;
 
-pub fn run_in_nix(cmd: &str, packages: Vec<&str>) -> String {
-    let pkgs = packages.join(" ");
-    let output = Command::new("nix-shell")
-        .arg("-p")
-        .arg(pkgs)
-        .arg("--run")
-        .arg(cmd)
-        .output()
-        .expect("failed to execute nix command");
+pub struct NixExecutor;
 
-    String::from_utf8_lossy(&output.stdout).to_string()
+impl NixExecutor {
+    pub fn execute(cmd: &str, packages: Vec<&str>) -> String {
+        // This runs the command inside a nix-shell with the requested packages
+        let mut nix_cmd = Command::new("nix-shell");
+        nix_cmd.arg("-p").args(packages).arg("--run").arg(cmd);
+
+        match nix_cmd.output() {
+            Ok(output) => {
+                let stdout = String::from_utf8_lossy(&output.stdout);
+                let stderr = String::from_utf8_lossy(&output.stderr);
+                format!("STDOUT: {}\nSTDERR: {}", stdout, stderr)
+            }
+            Err(e) => format!("Failed to execute Nix command: {}", e),
+        }
+    }
 }