fa6d4e6ad0
Make command line value names make sense in context. For example, `--announce URL` instead of `--announce ANNOUNCE`. type: documentation
37 lines
1.2 KiB
Rust
37 lines
1.2 KiB
Rust
use crate::common::*;
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#[derive(StructOpt)]
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pub(crate) struct Options {
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#[structopt(
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long = "unstable",
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short = "u",
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help = "Enable unstable features. To avoid premature stabilization and excessive version \
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churn, unstable features are unavailable unless this flag is set. Unstable features \
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are not bound by semantic versioning stability guarantees, and may be changed or \
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removed at any time."
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)]
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unstable: bool,
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#[structopt(
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long = "color",
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value_name = "WHEN",
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default_value = UseColor::AUTO,
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set = ArgSettings::CaseInsensitive,
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possible_values = UseColor::VALUES,
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help = "Print colorful output according to `WHEN`. When `auto`, the default, colored output \
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is only enabled if imdl detects that it is connected to a terminal, the `NO_COLOR` \
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environment variable is not set, and the `TERM` environment variable is not set to \
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`dumb`.",
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)]
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pub(crate) use_color: UseColor,
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}
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impl Options {
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pub(crate) fn require_unstable(&self, feature: &'static str) -> Result<(), Error> {
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if self.unstable {
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Ok(())
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} else {
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Err(Error::Unstable { feature })
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}
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}
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}
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