use anyhow::{Context, Error, Result}; use helix_term::application::Application; use helix_term::args::Args; use helix_term::config::Config; use helix_term::keymap::merge_keys; use std::path::PathBuf; fn setup_logging(logpath: PathBuf, verbosity: u64) -> Result<()> { let mut base_config = fern::Dispatch::new(); base_config = match verbosity { 0 => base_config.level(log::LevelFilter::Warn), 1 => base_config.level(log::LevelFilter::Info), 2 => base_config.level(log::LevelFilter::Debug), _3_or_more => base_config.level(log::LevelFilter::Trace), }; // Separate file config so we can include year, month and day in file logs let file_config = fern::Dispatch::new() .format(|out, message, record| { out.finish(format_args!( "{} {} [{}] {}", chrono::Local::now().format("%Y-%m-%dT%H:%M:%S%.3f"), record.target(), record.level(), message )) }) .chain(fern::log_file(logpath)?); base_config.chain(file_config).apply()?; Ok(()) } fn main() -> Result<()> { let exit_code = main_impl()?; std::process::exit(exit_code); } #[tokio::main] async fn main_impl() -> Result { let logpath = helix_core::log_file(); let parent = logpath.parent().unwrap(); if !parent.exists() { std::fs::create_dir_all(parent).ok(); } let help = format!( "\ {} {} {} {} USAGE: hx [FLAGS] [files]... ARGS: ... Sets the input file to use, position can also be specified via file[:row[:col]] FLAGS: -h, --help Prints help information --edit-config Opens the helix config file --tutor Loads the tutorial --health [LANG] Checks for potential errors in editor setup If given, checks for config errors in language LANG --fetch-grammars Fetches tree-sitter grammars listed in languages.toml --build-grammars Builds tree-sitter grammars fetched with --fetch-grammars -v Increases logging verbosity each use for up to 3 times (default file: {}) -V, --version Prints version information ", env!("CARGO_PKG_NAME"), env!("VERSION_AND_GIT_HASH"), env!("CARGO_PKG_AUTHORS"), env!("CARGO_PKG_DESCRIPTION"), logpath.display(), ); let args = Args::parse_args().context("could not parse arguments")?; // Help has a higher priority and should be handled separately. if args.display_help { print!("{}", help); std::process::exit(0); } if args.display_version { println!("helix {}", env!("VERSION_AND_GIT_HASH")); std::process::exit(0); } if args.health { if let Some(lang) = args.health_arg { match lang.as_str() { "all" => helix_term::health::languages_all(), _ => helix_term::health::language(lang), } } else { helix_term::health::general(); println!(); helix_term::health::languages_all(); } std::process::exit(0); } let conf_dir = helix_core::config_dir(); if !conf_dir.exists() { std::fs::create_dir_all(&conf_dir).ok(); } let config = match std::fs::read_to_string(helix_core::config_file()) { Ok(config) => toml::from_str(&config) .map(merge_keys) .unwrap_or_else(|err| { eprintln!("Bad config: {}", err); eprintln!("Press to continue with default config"); use std::io::Read; // This waits for an enter press. let _ = std::io::stdin().read(&mut []); Config::default() }), Err(err) if err.kind() == std::io::ErrorKind::NotFound => Config::default(), Err(err) => return Err(Error::new(err)), }; setup_logging(logpath, args.verbosity).context("failed to initialize logging")?; // TODO: use the thread local executor to spawn the application task separately from the work pool let mut app = Application::new(args, config).context("unable to create new application")?; let exit_code = app.run().await?; Ok(exit_code) }