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-rw-r--r--helix-term/src/main.rs44
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::<()>())));
}