fix: no args = panic

bootpkg/src/args.rs

@@ -18,9 +18,20 @@ pub struct Args {
 
 impl From<Vec<String>> for Args {
     fn from(value: Vec<String>) -> Self {
+        if value.len() == 0 {
+            return Args {
+                command: Command::from(String::default()),
+                args: vec![],
+            }
+        }
+
         Args {
             command: Command::from(value[0].to_owned()),
-            args: value[1..].to_owned(),
+            args: if value.len() > 1 {
+                value[1..].to_owned()
+            } else {
+                vec![]
+            },
         }
     }
 }