print out files patchserver knows about

src/patch/main.rs

@@ -389,7 +389,26 @@ fn main() {
     let listener = TcpListener::bind(&SocketAddr::from((Ipv4Addr::new(0,0,0,0), PATCH_PORT))).unwrap();
 
     let (patch_file_tree, patch_file_lookup) = generate_patch_tree("patchfiles/");
+    println!("[patch] files to patch:");
+    let mut indent = 0;
+    for item in patch_file_tree.flatten() {
+        match item {
+            PatchTreeIterItem::Directory(path) => {
+                let s = path.to_str().unwrap();
+                println!("{: >2$}\u{2517}\u{2500}\u{2500} {}", "", s, indent * 4);
+                indent += 1;
+            },
+            PatchTreeIterItem::File(path, id) => {
+                let s = path.to_str().unwrap();
+                println!("{: >3$}\u{2520}\u{2500}\u{2500} {} ({})", "", s, id, indent * 4);
+            },
+            PatchTreeIterItem::UpDirectory => {
+                indent -= 1;
+            }
+        }
+    }
 
+    println!("[patch] waiting for connections");
     while let Ok((socket, addr)) = listener.accept() {
         let local_patch_file_tree = patch_file_tree.clone();
         let local_patch_file_lookup = patch_file_lookup.clone();