oclif/
error.rs

1use crate::term::{ERR_RED_BOLD, TERM_ERR, TERM_OUT};
2
3use std::{fmt::Display, io, process::exit};
4
5pub trait CliError: Display + Sized {
6    fn color(self) -> Self {
7        self
8    }
9
10    /// Exit code that should be returned for the error
11    fn code(&self) -> i32 {
12        1
13    }
14
15    fn print(self) -> io::Result<()> {
16        TERM_ERR.write_str(&format!("{}: ", ERR_RED_BOLD.apply_to("error").to_string()))?;
17        TERM_ERR.write_line(self.color().to_string().as_str())?;
18        TERM_ERR.flush()
19    }
20}
21
22pub fn finish<T>(result: Result<(), T>)
23where
24    T: CliError,
25{
26    let code = if let Some(e) = result.err() {
27        let code = e.code();
28
29        e.print().unwrap();
30        code
31    } else {
32        0
33    };
34
35    TERM_ERR.flush().unwrap();
36    TERM_OUT.flush().unwrap();
37
38    exit(code);
39}
oclif/error.rs

oclif/
error.rs
