Updated the binary to use the new signature

src/bin/build.rs

@@ -17,7 +17,7 @@ pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
 // Build command implementation
 pub fn execute(args: &ArgMatches) -> Result<()> {
     let book_dir = get_book_dir(args);
-    let book = MDBook::new(&book_dir).read_config()?;
+    let book = MDBook::new(&book_dir)?.read_config()?;
 
     let mut book = match args.value_of("dest-dir") {
         Some(dest_dir) => book.with_destination(dest_dir),

src/bin/init.rs

@@ -19,10 +19,7 @@ pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
 pub fn execute(args: &ArgMatches) -> Result<()> {
 
     let book_dir = get_book_dir(args);
-    let mut book = MDBook::new(&book_dir);
+    let book = MDBook::init(&book_dir)?;
-
-    // Call the function that does the initialization
-    book.init()?;
 
     // If flag `--theme` is present, copy theme to src
     if args.is_present("theme") {

src/bin/serve.rs

@@ -33,7 +33,7 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
     const RELOAD_COMMAND: &'static str = "reload";
 
     let book_dir = get_book_dir(args);
-    let book = MDBook::new(&book_dir).read_config()?;
+    let book = MDBook::new(&book_dir)?.read_config()?;
 
     let mut book = match args.value_of("dest-dir") {
         Some(dest_dir) => book.with_destination(Path::new(dest_dir)),
@@ -53,7 +53,8 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
     let address = format!("{}:{}", interface, port);
     let ws_address = format!("{}:{}", interface, ws_port);
 
-    book.set_livereload(format!(r#"
+    book.set_livereload(format!(
+        r#"
     <script type="text/javascript">
         var socket = new WebSocket("ws://{}:{}");
         socket.onmessage = function (event) {{
@@ -70,7 +71,8 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
 "#,
         public_address,
         ws_port,
-                                RELOAD_COMMAND));
+        RELOAD_COMMAND
+    ));
 
     book.build()?;
 

src/bin/test.rs

@@ -14,7 +14,7 @@ pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
 pub fn execute(args: &ArgMatches) -> Result<()> {
     let library_paths: Vec<&str> = args.values_of("library-path").map(|v| v.collect()).unwrap_or_default();
     let book_dir = get_book_dir(args);
-    let mut book = MDBook::new(&book_dir).read_config()?;
+    let mut book = MDBook::new(&book_dir)?.read_config()?;
 
     book.test(library_paths)?;
 

src/bin/watch.rs

@@ -24,7 +24,7 @@ pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
 // Watch command implementation
 pub fn execute(args: &ArgMatches) -> Result<()> {
     let book_dir = get_book_dir(args);
-    let book = MDBook::new(&book_dir).read_config()?;
+    let book = MDBook::new(&book_dir)?.read_config()?;
 
     let mut book = match args.value_of("dest-dir") {
         Some(dest_dir) => book.with_destination(dest_dir),
@@ -53,7 +53,8 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
 
 // Calls the closure when a book source file is changed. This is blocking!
 pub fn trigger_on_change<F>(book: &mut MDBook, closure: F) -> ()
-    where F: Fn(&Path, &mut MDBook) -> ()
+where
+    F: Fn(&Path, &mut MDBook) -> (),
 {
     use self::notify::RecursiveMode::*;
     use self::notify::DebouncedEvent::*;
@@ -76,19 +77,23 @@ pub fn trigger_on_change<F>(book: &mut MDBook, closure: F) -> ()
     };
 
     // Add the theme directory to the watcher
-    watcher.watch(book.get_theme_path(), Recursive).unwrap_or_default();
+    watcher
+        .watch(book.get_theme_path(), Recursive)
+        .unwrap_or_default();
 
 
     // Add the book.{json,toml} file to the watcher if it exists, because it's not
     // located in the source directory
     if watcher
         .watch(book.get_root().join("book.json"), NonRecursive)
-           .is_err() {
+        .is_err()
+    {
         // do nothing if book.json is not found
     }
     if watcher
         .watch(book.get_root().join("book.toml"), NonRecursive)
-           .is_err() {
+        .is_err()
+    {
         // do nothing if book.toml is not found
     }
 

tests/config.rs

@@ -7,13 +7,15 @@ use std::io::Write;
 use mdbook::MDBook;
 use tempdir::TempDir;
 
-// Tests that config values unspecified in the configuration file do not overwrite
+// Tests that config values unspecified in the configuration file do not
+// overwrite
 // values specified earlier.
 #[test]
 fn do_not_overwrite_unspecified_config_values() {
     let dir = TempDir::new("mdbook").expect("Could not create a temp dir");
 
-    let book = MDBook::new(dir.path())
+    let book = MDBook::init(dir.path())
+        .unwrap()
         .with_source("bar")
         .with_destination("baz")
         .with_mathjax_support(true);
@@ -33,7 +35,9 @@ fn do_not_overwrite_unspecified_config_values() {
     // Try with a partial config file
     let file_path = dir.path().join("book.toml");
     let mut f = File::create(file_path).expect("Could not create config file");
-    f.write_all(br#"source = "barbaz""#).expect("Could not write to config file");
+    f.write_all(br#"source = "barbaz""#).expect(
+        "Could not write to config file",
+    );
     f.sync_all().expect("Could not sync the file");
 
     let book = book.read_config().expect("Error reading the config file");
@@ -43,4 +47,3 @@ fn do_not_overwrite_unspecified_config_values() {
     assert_eq!(book.get_destination(), dir.path().join("baz"));
     assert_eq!(book.get_mathjax_support(), true);
 }
-