From 44e01a60731b125df8d3f39220a0a469e1fed15c Mon Sep 17 00:00:00 2001
From: sam <sammage@gmail.com>
Date: Tue, 28 Nov 2023 17:24:44 -0800
Subject: [PATCH] argumentative tracer

---
 tracer/src/main.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tracer/src/main.rs b/tracer/src/main.rs
index b61625dfa..168ccf521 100644
--- a/tracer/src/main.rs
+++ b/tracer/src/main.rs
@@ -1,6 +1,6 @@
 extern crate tracer;
 
-use std::{env, path::PathBuf};
+use std::env;
 
 use tracer::{trace, decode};
 use common::serializable::Serializable;
@@ -8,7 +8,13 @@ use common::path::JoltPaths;
 
 pub fn main() {
     // Note: assumes program is already compiled
-    let program_name = "hash";
+    let args: Vec<String> = env::args().collect();
+    if args.len() != 2 {
+        eprintln!("Usage: {} <program_name>", args[0]);
+        std::process::exit(1);
+    }
+    let program_name = &args[1];
+
     let elf_location = JoltPaths::elf_path(program_name);
     let trace_destination = JoltPaths::trace_path(program_name);
     let bytecode_destination = JoltPaths::bytecode_path(program_name);