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cli: add panic handler #457

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Merged
kodiakhq merged 1 commit into from
May 10, 2025
Merged

cli: add panic handler #457

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17 changes: 17 additions & 0 deletions crates/cli/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ use config::Config;
use log::info;
use simplelog::CombinedLogger;
use std::io;
use std::panic;
use std::path::PathBuf;
use std::process::{self, ExitCode};
use structopt::StructOpt;
Expand Down Expand Up @@ -140,6 +141,22 @@ struct Opt {

#[allow(clippy::too_many_lines)]
fn main() -> Result<ExitCode> {
let version = env!("CARGO_PKG_VERSION");

// via: https://github.com/astral-sh/ruff/blob/40fd52dde0ddf0b95a3433163f51560b4827ab75/crates/ruff_server/src/server.rs#L140
panic::set_hook(Box::new(move |panic_info| {
use std::io::Write;
let backtrace = std::backtrace::Backtrace::force_capture();
// Don't use `eprintln` because `eprintln` itself may panic if the pipe is broken.
let mut stderr = std::io::stderr().lock();
let open_an_issue = format!(
r#"An internal error has occured with Squawk v{version}!
Please open an issue at https://github.com/sbdchd/squawk/issues/new with the logs above!
"#
);
writeln!(stderr, "{panic_info}\n{backtrace}\n{open_an_issue}").ok();
}));

let opts = Opt::from_args();

if opts.verbose {
Expand Down
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