Make exit code propagate

reid/src/ld.rs

@@ -105,13 +105,14 @@ fn find_objectfile(name: &str) -> String {
         .to_owned()
 }
 
-pub fn execute(path: &PathBuf) {
+pub fn execute(path: &PathBuf) -> Option<i32> {
     let output = Command::new(path.clone()).output().expect("Unable to execute {path}");
 
     if !output.status.success() {
         let code = output.status.code().unwrap_or(255);
         log::error!("{path:?} exited with code {code}");
         println!("{}", unsafe { String::from_utf8_unchecked(output.stderr) });
-        return;
     }
+
+    output.status.code()
 }

reid/src/main.rs

@@ -1,4 +1,4 @@
-use std::{fs, path::PathBuf};
+use std::{fs, path::PathBuf, process};
 
 use argh::FromArgs;
 use log::*;
@@ -139,7 +139,9 @@ fn main() {
             match &options.command {
                 Command::Build(_) => {}
                 Command::Run(_) => {
-                    execute(&out_path);
+                    if let Some(code) = execute(&out_path) {
+                        process::exit(code);
+                    }
                 }
             }
         }