comparison rust/rhg/src/main.rs @ 48389:d71b9902e2de

rhg: Colored output is not supported

Fallback if it is requested explicitly.

The default is documented as use color "whenever it seems possible".
rhg proceeds without color in that case.

Differential Revision: https://phab.mercurial-scm.org/D11762

48388:a2e278b5e265

    process_start_time: &blackbox::ProcessStartTime,
    ui: &ui::Ui,
    repo: Result<&Repo, &NoRepoInCwdError>,
    config: &Config,
) -> Result<(), CommandError> {
    check_unsupported(config)?;

    let app = App::new("rhg")
        .global_setting(AppSettings::AllowInvalidUtf8)
        .global_setting(AppSettings::DisableVersion)
        .setting(AppSettings::SubcommandRequired)

            ),
        })
    }
}

fn check_unsupported(config: &Config) -> Result<(), CommandError> {
    check_extensions(config)?;

    if std::env::var_os("HG_PENDING").is_some() {
        // TODO: only if the value is `== repo.working_directory`?
        // What about relative v.s. absolute paths?

    if config.has_non_empty_section(b"decode") {
        Err(CommandError::unsupported("[decode] config"))?
    }

    Ok(())
}

48389:d71b9902e2de

    process_start_time: &blackbox::ProcessStartTime,
    ui: &ui::Ui,
    repo: Result<&Repo, &NoRepoInCwdError>,
    config: &Config,
) -> Result<(), CommandError> {
    check_unsupported(config, ui)?;

    let app = App::new("rhg")
        .global_setting(AppSettings::AllowInvalidUtf8)
        .global_setting(AppSettings::DisableVersion)
        .setting(AppSettings::SubcommandRequired)

            ),
        })
    }
}

fn check_unsupported(
    config: &Config,
    ui: &ui::Ui,
) -> Result<(), CommandError> {
    check_extensions(config)?;

    if std::env::var_os("HG_PENDING").is_some() {
        // TODO: only if the value is `== repo.working_directory`?
        // What about relative v.s. absolute paths?

    if config.has_non_empty_section(b"decode") {
        Err(CommandError::unsupported("[decode] config"))?
    }

    if let Some(color) = config.get(b"ui", b"color") {
        if (color == b"always" || color == b"debug") && !ui.plain() {
            Err(CommandError::unsupported("colored output"))?
        }
    }

    Ok(())
}