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ignore errors when writing to logs

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For errors like eg: ENOSPC we shouldn't terminate the program when
logging output.

refs: https://github.com/wez/wezterm/issues/1839
This commit is contained in:
Wez Furlong 2022-04-08 07:26:32 -07:00
parent 5914a91490
commit 10dacf3d3b
1 changed files with 20 additions and 11 deletions
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31
env-bootstrap/src/ringlog.rs
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@ -182,17 +182,26 @@ impl log::Log for Logger {
let reset = if self.is_tty { "\u{1b}[0m" } else { "" };
let target_color = if self.is_tty { "\u{1b}[1m" } else { "" };
eprintln!(
"{} {level_color}{:6}{reset} {target_color}{:padding$}{reset} > {}",
ts,
level,
target,
msg,
padding = padding,
level_color = level_color,
reset = reset,
target_color = target_color
);
{
// We use writeln! here rather than eprintln! so that we can ignore
// a failed log write in the case that stderr has been redirected
// to a device that is out of disk space.
// <https://github.com/wez/wezterm/issues/1839>
let mut stderr = std::io::stderr();
let _ = writeln!(
stderr,
"{} {level_color}{:6}{reset} {target_color}{:padding$}{reset} > {}",
ts,
level,
target,
msg,
padding = padding,
level_color = level_color,
reset = reset,
target_color = target_color
);
let _ = stderr.flush();
}
let mut file = self.file.lock().unwrap();
if file.is_none() {