69 lines
1.6 KiB
Rust
69 lines
1.6 KiB
Rust
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use command_group::Signal;
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#[derive(Clone, Debug, PartialEq, Eq)]
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#[non_exhaustive]
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pub enum Outcome {
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/// Stop processing this action silently.
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DoNothing,
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/// If the command is running, stop it.
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Stop,
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/// If the command isn't running, start it.
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Start,
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/// Wait for command completion.
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Wait,
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/// Send this signal to the command.
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Signal(Signal),
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/// Clear the (terminal) screen.
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Clear,
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/// Reset the (terminal) screen.
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///
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/// This invokes (in order): [`WindowsCooked`][ClearScreen::WindowsCooked],
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/// [`WindowsVt`][ClearScreen::WindowsVt], [`VtLeaveAlt`][ClearScreen::VtLeaveAlt],
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/// [`VtWellDone`][ClearScreen::VtWellDone], and [the default][ClearScreen::default()].
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Reset,
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/// Exit watchexec.
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Exit,
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/// When command is running, do the first, otherwise the second.
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IfRunning(Box<Outcome>, Box<Outcome>),
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/// Do both outcomes in order.
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Both(Box<Outcome>, Box<Outcome>),
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}
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impl Default for Outcome {
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fn default() -> Self {
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Self::DoNothing
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}
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}
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impl Outcome {
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pub fn if_running(then: Outcome, otherwise: Outcome) -> Self {
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Self::IfRunning(Box::new(then), Box::new(otherwise))
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}
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pub fn both(one: Outcome, two: Outcome) -> Self {
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Self::Both(Box::new(one), Box::new(two))
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}
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pub fn wait(and_then: Outcome) -> Self {
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Self::Both(Box::new(Outcome::Wait), Box::new(and_then))
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}
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pub fn resolve(self, is_running: bool) -> Self {
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match (is_running, self) {
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(true, Self::IfRunning(then, _)) => then.resolve(true),
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(false, Self::IfRunning(_, otherwise)) => otherwise.resolve(false),
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(ir, Self::Both(one, two)) => Self::both(one.resolve(ir), two.resolve(ir)),
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(_, other) => other,
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}
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}
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}
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