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//! the whole point of this is module such that it is possible
//! to print the panic while the terminal is in raw mode
//!
//! without carriage returns
//! the content
//! spills to the right
use std::backtrace::{Backtrace, BacktraceStatus};
use std::io::{self, Write};
use std::panic::{self, PanicHookInfo};
use std::sync::atomic::{AtomicBool, Ordering};
static EMIT_CARRIAGE_RETURN: AtomicBool = AtomicBool::new(false);
pub fn enable_cr() {
EMIT_CARRIAGE_RETURN.store(true, Ordering::SeqCst);
}
pub fn disable_cr() {
EMIT_CARRIAGE_RETURN.store(false, Ordering::SeqCst);
}
// thread 'main' panicked at src/main.rs:59:25:
// not yet implemented: homedir
// stack backtrace:
// 0: __rustc::rust_begin_unwind at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
// 1: core::panicking::panic_fmt at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
// 2: pish::run_command at ./src/main.rs:59:25
// note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
fn panic_hook(info: &PanicHookInfo<'_>) {
let mut msg = format!("{}\n", info);
let bt = Backtrace::capture();
match bt.status() {
BacktraceStatus::Unsupported => msg += "backtrace unsupported\n",
BacktraceStatus::Disabled => msg += "no backtrace",
_ => {
msg += &format!("{bt}\n");
}
}
// TODO: add link to repo or sth
msg += "\n -== this is a bug ==-\n";
if EMIT_CARRIAGE_RETURN.load(Ordering::SeqCst) {
msg = msg.replace("\n", "\r\n");
}
let _ = io::stderr().write_all(msg.as_bytes());
}
pub fn hook() {
panic::set_hook(Box::new(panic_hook));
}
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