147 lines
4.3 KiB
Rust
147 lines
4.3 KiB
Rust
#[macro_use]
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extern crate clap;
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#[macro_use]
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extern crate log;
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use anyhow::anyhow;
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use chrono::Local;
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use clap::{Arg, ArgMatches, Command};
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use clap_complete::Shell;
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use env_logger::Builder;
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use log::LevelFilter;
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use mdbook::utils;
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use std::env;
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use std::ffi::OsStr;
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use std::io::Write;
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use std::path::PathBuf;
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mod cmd;
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const VERSION: &str = concat!("v", crate_version!());
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fn main() {
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init_logger();
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let command = create_clap_command();
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// Check which subcommand the user ran...
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let res = match command.get_matches().subcommand() {
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Some(("init", sub_matches)) => cmd::init::execute(sub_matches),
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Some(("build", sub_matches)) => cmd::build::execute(sub_matches),
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Some(("clean", sub_matches)) => cmd::clean::execute(sub_matches),
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#[cfg(feature = "watch")]
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Some(("watch", sub_matches)) => cmd::watch::execute(sub_matches),
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#[cfg(feature = "serve")]
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Some(("serve", sub_matches)) => cmd::serve::execute(sub_matches),
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Some(("test", sub_matches)) => cmd::test::execute(sub_matches),
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Some(("completions", sub_matches)) => (|| {
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let shell = sub_matches
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.get_one::<Shell>("shell")
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.ok_or_else(|| anyhow!("Shell name missing."))?;
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let mut complete_app = create_clap_command();
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clap_complete::generate(
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*shell,
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&mut complete_app,
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"mdbook",
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&mut std::io::stdout().lock(),
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);
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Ok(())
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})(),
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_ => unreachable!(),
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};
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if let Err(e) = res {
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utils::log_backtrace(&e);
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std::process::exit(101);
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}
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}
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/// Create a list of valid arguments and sub-commands
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fn create_clap_command() -> Command {
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let app = Command::new(crate_name!())
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.about(crate_description!())
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.author("Mathieu David <mathieudavid@mathieudavid.org>")
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.version(VERSION)
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.propagate_version(true)
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.arg_required_else_help(true)
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.after_help(
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"For more information about a specific command, try `mdbook <command> --help`\n\
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The source code for mdBook is available at: https://github.com/rust-lang/mdBook",
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)
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.subcommand(cmd::init::make_subcommand())
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.subcommand(cmd::build::make_subcommand())
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.subcommand(cmd::test::make_subcommand())
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.subcommand(cmd::clean::make_subcommand())
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.subcommand(
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Command::new("completions")
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.about("Generate shell completions for your shell to stdout")
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.arg(
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Arg::new("shell")
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.value_parser(clap::value_parser!(Shell))
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.help("the shell to generate completions for")
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.value_name("SHELL")
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.required(true),
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),
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);
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#[cfg(feature = "watch")]
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let app = app.subcommand(cmd::watch::make_subcommand());
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#[cfg(feature = "serve")]
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let app = app.subcommand(cmd::serve::make_subcommand());
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app
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}
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fn init_logger() {
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let mut builder = Builder::new();
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builder.format(|formatter, record| {
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writeln!(
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formatter,
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"{} [{}] ({}): {}",
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Local::now().format("%Y-%m-%d %H:%M:%S"),
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record.level(),
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record.target(),
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record.args()
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)
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});
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if let Ok(var) = env::var("RUST_LOG") {
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builder.parse_filters(&var);
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} else {
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// if no RUST_LOG provided, default to logging at the Info level
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builder.filter(None, LevelFilter::Info);
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// Filter extraneous html5ever not-implemented messages
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builder.filter(Some("html5ever"), LevelFilter::Error);
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}
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builder.init();
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}
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fn get_book_dir(args: &ArgMatches) -> PathBuf {
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if let Some(p) = args.get_one::<PathBuf>("dir") {
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// Check if path is relative from current dir, or absolute...
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if p.is_relative() {
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env::current_dir().unwrap().join(p)
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} else {
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p.to_path_buf()
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}
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} else {
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env::current_dir().expect("Unable to determine the current directory")
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}
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}
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fn open<P: AsRef<OsStr>>(path: P) {
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info!("Opening web browser");
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if let Err(e) = opener::open(path) {
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error!("Error opening web browser: {}", e);
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}
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}
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#[test]
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fn verify_app() {
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create_clap_command().debug_assert();
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}
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