From 841fa7e91e6c8d388d61adb56a7ba35649e91d43 Mon Sep 17 00:00:00 2001
From: "Elf M. Sternberg" <elf.sternberg@gmail.com>
Date: Sun, 10 May 2026 08:33:42 -0700
Subject: [PATCH] Just got axum up and running. Spent waaaay too long wrestling
 with rustic and rustfmt to get it to stop throwing errors, only to realize
 that the actual problem was my copy of rustfmt being waaaay out of date. With
 that fixed, the problem went away.

---
 demo/rustfmt.toml      |  1 +
 demo/src/main.rs       | 38 ++++++++++++++++++++++++++++++++++++--
 rustfmt.toml           |  1 +
 serve_zip/rustfmt.toml |  1 +
 4 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 demo/rustfmt.toml
 create mode 100644 rustfmt.toml
 create mode 100644 serve_zip/rustfmt.toml

diff --git a/demo/rustfmt.toml b/demo/rustfmt.toml
new file mode 100644
index 0000000..3a26366
--- /dev/null
+++ b/demo/rustfmt.toml
@@ -0,0 +1 @@
+edition = "2021"
diff --git a/demo/src/main.rs b/demo/src/main.rs
index e7a11a9..85ddfe9 100644
--- a/demo/src/main.rs
+++ b/demo/src/main.rs
@@ -1,3 +1,37 @@
-fn main() {
-    println!("Hello, world!");
+use axum::{routing::get, Router};
+use clap::Parser;
+use std::net::{IpAddr, Ipv4Addr, SocketAddr};
+use std::path::PathBuf;
+use tokio::net::TcpListener;
+
+#[derive(Parser)]
+struct Args {
+    #[arg(short, long)]
+    zip: Option<PathBuf>,
+
+    #[arg(short, long, default_value = "8001")]
+    port: u16,
+}
+
+#[tokio::main]
+async fn main() {
+    tracing_subscriber::fmt::init();
+    let args = Args::parse();
+
+    // TODO: Add a test to see if `path`, if it exists, is a path to a folder or to a zip file. If a
+    // folder, opt for using serve_dir instead.
+    match &args.zip {
+        Some(path) => println!("Using external zip file: {}", path.display()),
+        None => {
+            println!("Using embedded zip file, if present.  (TODO: Make this an error otherwise)")
+        }
+    }
+
+    let app = Router::new().route("/check", get(|| async { "OK" }));
+    let addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), args.port);
+    let listener = TcpListener::bind(addr)
+        .await
+        .expect("Failed to bind to port");
+    println!("Listening at {}", addr);
+    axum::serve(listener, app).await.unwrap();
 }
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..3a26366
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+edition = "2021"
diff --git a/serve_zip/rustfmt.toml b/serve_zip/rustfmt.toml
new file mode 100644
index 0000000..3a26366
--- /dev/null
+++ b/serve_zip/rustfmt.toml
@@ -0,0 +1 @@
+edition = "2021"