finding grubenv

Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "grub-reboot-rs"
+version = "0.1.0"

src/main.rs

@@ -1,3 +1,15 @@
+use std::{path::Path, process::exit};
+
+const BOOT_PATH: &str = "/boot";
+
 fn main() {
-    println!("Hello, world!");
+    let boot_folder = Path::new(BOOT_PATH);
+    let grub_env = boot_folder.join("grub/grubenv");
+
+    if !grub_env.exists() {
+        eprintln!("Unable to find grubenv");
+        exit(1);
+    }
+
+    println!("{grub_env:?}");
 }