use crate::common::*;
#[derive(StructOpt)]
pub(crate) struct Options {
#[structopt(long = "quiet", short = "q", help = "Suppress normal output.")]
pub(crate) quiet: bool,
#[structopt(
long = "unstable",
short = "u",
help = "Enable unstable features. To avoid premature stabilization and excessive version \
churn, unstable features are unavailable unless this flag is set. Unstable features \
are not bound by semantic versioning stability guarantees, and may be changed or \
removed at any time."
)]
unstable: bool,
#[structopt(
long = "color",
short = "c",
value_name = "WHEN",
default_value = UseColor::Auto.into(),
possible_values = UseColor::VARIANTS,
help = "Print colorful output according to `WHEN`. When `auto`, the default, colored output \
is only enabled if imdl detects that it is connected to a terminal, the `NO_COLOR` \
environment variable is not set, and the `TERM` environment variable is not set to \
`dumb`.",
)]
pub(crate) use_color: UseColor,
#[structopt(
long = "terminal",
short = "t",
help = "Disable automatic terminal detection and behave as if both standard output and \
standard error are connected to a terminal."
)]
pub(crate) terminal: bool,
}
impl Options {
pub(crate) fn require_unstable(&self, feature: &'static str) -> Result<(), Error> {
if self.unstable {
Ok(())
} else {
Err(Error::Unstable { feature })
}
}
}