run rustfmt on the repository #398(Updated) (#438)

rustfmt the repository #398

Author: prertik

build.rs

@@ -32,34 +32,31 @@ error_chain!{
 }
 
 fn program_exists(program: &str) -> Result<()> {
-    execs::cmd(program)
-        .arg("-v")
-        .output()
-        .chain_err(|| format!("Please install '{}'!", program))?;
+    execs::cmd(program).arg("-v")
+                       .output()
+                       .chain_err(|| format!("Please install '{}'!", program))?;
     Ok(())
 }
 
 fn npm_package_exists(package: &str) -> Result<()> {
-    let status = execs::cmd("npm")
-        .args(&["list", "-g"])
-        .arg(package)
-        .output();
+    let status = execs::cmd("npm").args(&["list", "-g"])
+                                  .arg(package)
+                                  .output();
 
     match status {
         Ok(ref out) if out.status.success() => Ok(()),
         _ => {
-            bail!("Missing npm package '{0}' \
-                  install with: 'npm -g install {0}'",
+            bail!("Missing npm package '{0}' install with: 'npm -g install {0}'",
                   package)
-        },
+        }
     }
 }
 
 pub enum Resource<'a> {
     Program(&'a str),
     Package(&'a str),
 }
-use Resource::{Program, Package};
+use Resource::{Package, Program};
 
 impl<'a> Resource<'a> {
     pub fn exists(&self) -> Result<()> {
@@ -71,7 +68,6 @@ impl<'a> Resource<'a> {
 }
 
 fn run() -> Result<()> {
-
     if let Ok(_) = env::var("CARGO_FEATURE_REGENERATE_CSS") {
         // Check dependencies
         Program("npm").exists()?;
@@ -85,14 +81,14 @@ fn run() -> Result<()> {
         let theme_dir = Path::new(&manifest_dir).join("src/theme/");
         let stylus_dir = theme_dir.join("stylus/book.styl");
 
-        if !execs::cmd("stylus")
-                .arg(stylus_dir)
-                .arg("--out")
-                .arg(theme_dir)
-                .arg("--use")
-                .arg("nib")
-                .status()?
-                .success() {
+        if !execs::cmd("stylus").arg(stylus_dir)
+                                .arg("--out")
+                                .arg(theme_dir)
+                                .arg("--use")
+                                .arg("nib")
+                                .status()?
+                                .success()
+        {
             bail!("Stylus encoutered an error");
         }
     }

rustfmt.toml

@@ -1,16 +1,7 @@
-write_mode = "Overwrite"
+array_layout = "Visual"
+chain_indent = "Visual"
+fn_args_layout = "Visual"
+fn_call_style = "Visual"
+format_strings = true
+generics_indent = "Visual"
 
-max_width = 120
-ideal_width = 120
-fn_call_width = 100
-
-fn_args_density = "Compressed"
-
-enum_trailing_comma = true
-match_block_trailing_comma = true
-struct_trailing_comma = "Always"
-wrap_comments = true
-use_try_shorthand = true
-
-report_todo = "Always"
-report_fixme = "Always"

src/bin/build.rs

@@ -1,4 +1,4 @@
-use clap::{ArgMatches, SubCommand, App};
+use clap::{App, ArgMatches, SubCommand};
 use mdbook::MDBook;
 use mdbook::errors::Result;
 use {get_book_dir, open};
@@ -8,10 +8,21 @@ pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("build")
         .about("Build the book from the markdown files")
         .arg_from_usage("-o, --open 'Open the compiled book in a web browser'")
-        .arg_from_usage("-d, --dest-dir=[dest-dir] 'The output directory for your book{n}(Defaults to ./book when omitted)'")
-        .arg_from_usage("--no-create 'Will not create non-existent files linked from SUMMARY.md'")
-        .arg_from_usage("--curly-quotes 'Convert straight quotes to curly quotes, except for those that occur in code blocks and code spans'")
-        .arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'")
+        .arg_from_usage(
+            "-d, --dest-dir=[dest-dir] 'The output directory for your \
+             book{n}(Defaults to ./book when omitted)'",
+        )
+        .arg_from_usage(
+            "--no-create 'Will not create non-existent files linked from SUMMARY.md'",
+        )
+        .arg_from_usage(
+            "--curly-quotes 'Convert straight quotes to curly quotes, except for those \
+             that occur in code blocks and code spans'",
+        )
+        .arg_from_usage(
+            "[dir] 'A directory for your book{n}(Defaults to Current Directory \
+             when omitted)'",
+        )
 }
 
 // Build command implementation

src/bin/init.rs

@@ -1,6 +1,6 @@
 use std::io;
 use std::io::Write;
-use clap::{ArgMatches, SubCommand, App};
+use clap::{App, ArgMatches, SubCommand};
 use mdbook::MDBook;
 use mdbook::errors::Result;
 use get_book_dir;
@@ -10,14 +10,14 @@ pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("init")
         .about("Create boilerplate structure and files in the directory")
         // the {n} denotes a newline which will properly aligned in all help messages
-        .arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'")
+        .arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory \
+                         when omitted)'")
         .arg_from_usage("--theme 'Copies the default theme into your source folder'")
         .arg_from_usage("--force 'skip confirmation prompts'")
 }
 
 // Init command implementation
 pub fn execute(args: &ArgMatches) -> Result<()> {
-
     let book_dir = get_book_dir(args);
     let mut book = MDBook::new(&book_dir);
 
@@ -26,7 +26,6 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
 
     // If flag `--theme` is present, copy theme to src
     if args.is_present("theme") {
-
         // Skip this if `--force` is present
         if !args.is_present("force") {
             // Print warning
@@ -45,7 +44,6 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
         // Call the function that copies the theme
         book.copy_theme()?;
         println!("\nTheme copied.");
-
     }
 
     // Because of `src/book/mdbook.rs#L37-L39`, `dest` will always start with `root`

src/bin/mdbook.rs

@@ -1,16 +1,16 @@
-extern crate mdbook;
 #[macro_use]
 extern crate clap;
-extern crate log;
 extern crate env_logger;
+extern crate log;
+extern crate mdbook;
 extern crate open;
 
 use std::env;
 use std::ffi::OsStr;
 use std::io::{self, Write};
 use std::path::{Path, PathBuf};
-use clap::{App, ArgMatches, AppSettings};
-use log::{LogRecord, LogLevelFilter};
+use clap::{App, AppSettings, ArgMatches};
+use log::{LogLevelFilter, LogRecord};
 use env_logger::LogBuilder;
 
 pub mod build;
@@ -33,7 +33,10 @@ fn main() {
                 // Get the version from our Cargo.toml using clap's crate_version!() macro
                 .version(concat!("v",crate_version!()))
                 .setting(AppSettings::SubcommandRequired)
-                .after_help("For more information about a specific command, try `mdbook <command> --help`\nSource code for mdbook available at: https://github.com/azerupi/mdBook")
+                .after_help("For more information about a specific command, \
+                             try `mdbook <command> --help`\n\
+                             Source code for mdbook available \
+                             at: https://github.com/azerupi/mdBook")
                 .subcommand(init::make_subcommand())
                 .subcommand(build::make_subcommand())
                 .subcommand(test::make_subcommand());
@@ -71,7 +74,7 @@ fn init_logger() {
     builder.format(format).filter(None, LogLevelFilter::Info);
 
     if let Ok(var) = env::var("RUST_LOG") {
-       builder.parse(&var);
+        builder.parse(&var);
     }
 
     builder.init().unwrap();

src/bin/serve.rs

@@ -4,8 +4,9 @@ extern crate ws;
 
 use std;
 use std::path::Path;
-use self::iron::{Iron, AfterMiddleware, IronResult, IronError, Request, Response, status, Set, Chain};
-use clap::{ArgMatches, SubCommand, App};
+use self::iron::{status, AfterMiddleware, Chain, Iron, IronError, IronResult, Request, Response,
+                 Set};
+use clap::{App, ArgMatches, SubCommand};
 use mdbook::MDBook;
 use mdbook::errors::Result;
 use {get_book_dir, open};
@@ -17,14 +18,33 @@ struct ErrorRecover;
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("serve")
-        .about("Serve the book at http://localhost:3000. Rebuild and reload on change.")
-        .arg_from_usage("[dir] 'A directory for your book{n}(Defaults to Current Directory when omitted)'")
-        .arg_from_usage("-d, --dest-dir=[dest-dir] 'The output directory for your book{n}(Defaults to ./book when omitted)'")
-        .arg_from_usage("--curly-quotes 'Convert straight quotes to curly quotes, except for those that occur in code blocks and code spans'")
+        .about(
+            "Serve the book at http://localhost:3000. Rebuild and reload on change.",
+        )
+        .arg_from_usage(
+            "[dir] 'A directory for your book{n}(Defaults to \
+             Current Directory when omitted)'",
+        )
+        .arg_from_usage(
+            "-d, --dest-dir=[dest-dir] 'The output directory for \
+             your book{n}(Defaults to ./book when omitted)'",
+        )
+        .arg_from_usage(
+            "--curly-quotes 'Convert straight quotes to curly quotes, except \
+             for those that occur in code blocks and code spans'",
+        )
         .arg_from_usage("-p, --port=[port] 'Use another port{n}(Defaults to 3000)'")
-        .arg_from_usage("-w, --websocket-port=[ws-port] 'Use another port for the websocket connection (livereload){n}(Defaults to 3001)'")
-        .arg_from_usage("-i, --interface=[interface] 'Interface to listen on{n}(Defaults to localhost)'")
-        .arg_from_usage("-a, --address=[address] 'Address that the browser can reach the websocket server from{n}(Defaults to the interface address)'")
+        .arg_from_usage(
+            "-w, --websocket-port=[ws-port] 'Use another port for the \
+             websocket connection (livereload){n}(Defaults to 3001)'",
+        )
+        .arg_from_usage(
+            "-i, --interface=[interface] 'Interface to listen on{n}(Defaults to localhost)'",
+        )
+        .arg_from_usage(
+            "-a, --address=[address] 'Address that the browser can reach the \
+             websocket server from{n}(Defaults to the interface address)'",
+        )
         .arg_from_usage("-o, --open 'Open the book server in a web browser'")
 }
 
@@ -53,7 +73,8 @@ 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) {{
@@ -68,9 +89,10 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
         }}
     </script>
 "#,
-                                public_address,
-                                ws_port,
-                                RELOAD_COMMAND));
+        public_address,
+        ws_port,
+        RELOAD_COMMAND
+    ));
 
     book.build()?;
 

src/bin/test.rs

@@ -1,4 +1,4 @@
-use clap::{ArgMatches, SubCommand, App};
+use clap::{App, ArgMatches, SubCommand};
 use mdbook::MDBook;
 use mdbook::errors::Result;
 use get_book_dir;
@@ -7,12 +7,16 @@ use get_book_dir;
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
     SubCommand::with_name("test")
         .about("Test that code samples compile")
-        .arg_from_usage("-L, --library-path [DIR]... 'directory to add to crate search path'")
+        .arg_from_usage(
+            "-L, --library-path [DIR]... 'directory to add to crate search path'",
+        )
 }
 
 // test command implementation
 pub fn execute(args: &ArgMatches) -> Result<()> {
-    let library_paths: Vec<&str> = args.values_of("library-path").map(|v| v.collect()).unwrap_or_default();
+    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()?;