99 lines
2.8 KiB
Rust
99 lines
2.8 KiB
Rust
use helix_term::application::Application;
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use helix_term::args::Args;
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use std::path::PathBuf;
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use anyhow::{Context, Result};
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fn setup_logging(logpath: PathBuf, verbosity: u64) -> Result<()> {
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let mut base_config = fern::Dispatch::new();
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// Let's say we depend on something which whose "info" level messages are too
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// verbose to include in end-user output. If we don't need them,
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// let's not include them.
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// .level_for("overly-verbose-target", log::LevelFilter::Warn)
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base_config = match verbosity {
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0 => base_config.level(log::LevelFilter::Warn),
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1 => base_config.level(log::LevelFilter::Info),
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2 => base_config.level(log::LevelFilter::Debug),
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_3_or_more => base_config.level(log::LevelFilter::Trace),
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};
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// Separate file config so we can include year, month and day in file logs
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let file_config = fern::Dispatch::new()
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.format(|out, message, record| {
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out.finish(format_args!(
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"{} {} [{}] {}",
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chrono::Local::now().format("%Y-%m-%dT%H:%M:%S%.3f"),
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record.target(),
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record.level(),
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message
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))
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})
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.chain(fern::log_file(logpath)?);
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base_config.chain(file_config).apply()?;
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Ok(())
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}
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#[tokio::main]
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async fn main() -> Result<()> {
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let cache_dir = helix_core::cache_dir();
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if !cache_dir.exists() {
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std::fs::create_dir_all(&cache_dir).ok();
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}
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let logpath = cache_dir.join("helix.log");
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let help = format!(
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"\
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{} {}
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{}
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{}
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USAGE:
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hx [FLAGS] [files]...
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ARGS:
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<files>... Sets the input file to use
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FLAGS:
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-h, --help Prints help information
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-v Increases logging verbosity each use for up to 3 times
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(default file: {})
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-V, --version Prints version information
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",
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env!("CARGO_PKG_NAME"),
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env!("CARGO_PKG_VERSION"),
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env!("CARGO_PKG_AUTHORS"),
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env!("CARGO_PKG_DESCRIPTION"),
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logpath.display(),
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);
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let args = Args::parse_args().context("could not parse arguments")?;
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// Help has a higher priority and should be handled separately.
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if args.display_help {
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print!("{}", help);
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std::process::exit(0);
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}
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if args.display_version {
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println!("helix {}", env!("CARGO_PKG_VERSION"));
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std::process::exit(0);
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}
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let conf_dir = helix_core::config_dir();
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if !conf_dir.exists() {
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std::fs::create_dir_all(&conf_dir).ok();
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}
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setup_logging(logpath, args.verbosity).context("failed to initialize logging")?;
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// TODO: use the thread local executor to spawn the application task separately from the work pool
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let mut app = Application::new(args).context("unable to create new appliction")?;
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app.run().await.unwrap();
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Ok(())
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}
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