fn handle_compile_finished()

in src/commands.rs [439:494]

• 46 lines of code
• 7 McCabe index (conditional complexity)

fn handle_compile_finished(
    response: CompileFinished,
    stdout: &mut dyn Write,
    stderr: &mut dyn Write,
) -> Result<i32> {
    trace!("handle_compile_finished");
    fn write_output(
        stream: impl IsTerminal,
        writer: &mut dyn Write,
        data: &[u8],
        color_mode: ColorMode,
    ) -> Result<()> {
        // rustc uses the `termcolor` crate which explicitly checks for TERM=="dumb", so
        // match that behavior here.
        let dumb_term = env::var("TERM").map(|v| v == "dumb").unwrap_or(false);
        // If the compiler options explicitly requested color output, or if this output stream
        // is a terminal and the compiler options didn't explicitly request non-color output,
        // then write the compiler output directly.
        if color_mode == ColorMode::On
            || (!dumb_term && stream.is_terminal() && color_mode != ColorMode::Off)
        {
            writer.write_all(data)?;
        } else {
            // Remove escape codes (and thus colors) while writing.
            let mut writer = Writer::new(writer);
            writer.write_all(data)?;
        }
        Ok(())
    }
    // It might be nice if the server sent stdout/stderr as the process
    // ran, but then it would have to also save them in the cache as
    // interleaved streams to really make it work.
    write_output(
        std::io::stdout(),
        stdout,
        &response.stdout,
        response.color_mode,
    )?;
    write_output(
        std::io::stderr(),
        stderr,
        &response.stderr,
        response.color_mode,
    )?;

    if let Some(ret) = response.retcode {
        trace!("compiler exited with status {}", ret);
        Ok(ret)
    } else if let Some(signal) = response.signal {
        println!("sccache: Compiler killed by signal {}", signal);
        Ok(-2)
    } else {
        println!("sccache: Missing compiler exit status!");
        Ok(-3)
    }
}