diff options
Diffstat (limited to 'helix-term/src/main.rs')
| -rw-r--r-- | helix-term/src/main.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs index de3a0175..f91c1c8f 100644 --- a/helix-term/src/main.rs +++ b/helix-term/src/main.rs @@ -11,6 +11,39 @@ use anyhow::Error; static EX: smol::Executor = smol::Executor::new(); +fn setup_logging(verbosity: u64) -> Result<(), fern::InitError> { + let mut base_config = fern::Dispatch::new(); + + // Let's say we depend on something which whose "info" level messages are too + // verbose to include in end-user output. If we don't need them, + // let's not include them. + // .level_for("overly-verbose-target", log::LevelFilter::Warn) + + 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("helix.log")?); + + base_config.chain(file_config).apply()?; + + Ok(()) +} + fn main() -> Result<(), Error> { let args = clap::app_from_crate!() .arg( @@ -20,8 +53,19 @@ fn main() -> Result<(), Error> { .multiple(true) .index(1), ) + .arg( + Arg::new("verbose") + .about("Increases logging verbosity each use for up to 3 times") + .short('v') + .takes_value(false) + .multiple_occurrences(true), + ) .get_matches(); + let verbosity: u64 = args.occurrences_of("verbose"); + + setup_logging(verbosity).expect("failed to initialize logging."); + for _ in 0..num_cpus::get() { std::thread::spawn(move || smol::block_on(EX.run(smol::future::pending::<()>()))); } |