Always open index page with serve --open

src/cmd/serve.rs

@@ -1,6 +1,6 @@
 #[cfg(feature = "watch")]
 use super::watch;
-use crate::{first_chapter, get_book_dir, open};
+use crate::{get_book_dir, open};
 use clap::{arg, App, Arg, ArgMatches};
 use futures_util::sink::SinkExt;
 use futures_util::StreamExt;
@@ -103,10 +103,7 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
     });
 
     if open_browser {
-        let serving_url = match first_chapter(&book).map(|path| path.with_extension("html")) {
-            Some(path) => format!("http://{}/{}", address, path.display()),
-            _ => format!("http://{}", address),
-        };
+        let serving_url = format!("http://{}", address);
         info!("Serving on: {}", serving_url);
         open(serving_url);
     }