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diff --git a/vendor/clap-3.2.20/src/builder/action.rs b/vendor/clap-3.2.20/src/builder/action.rs
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+/// Behavior of arguments when they are encountered while parsing
+///
+/// # Examples
+///
+/// ```rust
+/// # use clap::Command;
+/// # use clap::Arg;
+/// let cmd = Command::new("mycmd")
+/// .arg(
+/// Arg::new("special-help")
+/// .short('?')
+/// .action(clap::ArgAction::Help)
+/// );
+///
+/// // Existing help still exists
+/// let err = cmd.clone().try_get_matches_from(["mycmd", "-h"]).unwrap_err();
+/// assert_eq!(err.kind(), clap::error::ErrorKind::DisplayHelp);
+///
+/// // New help available
+/// let err = cmd.try_get_matches_from(["mycmd", "-?"]).unwrap_err();
+/// assert_eq!(err.kind(), clap::error::ErrorKind::DisplayHelp);
+/// ```
+#[derive(Clone, Debug)]
+#[non_exhaustive]
+#[allow(missing_copy_implementations)] // In the future, we may accept `Box<dyn ...>`
+pub enum ArgAction {
+ /// When encountered, store the associated value(s) in [`ArgMatches`][crate::ArgMatches]
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .arg(
+ /// Arg::new("flag")
+ /// .long("flag")
+ /// .action(clap::ArgAction::Set)
+ /// );
+ ///
+ /// let matches = cmd.try_get_matches_from(["mycmd", "--flag", "value"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_many::<String>("flag").unwrap_or_default().map(|v| v.as_str()).collect::<Vec<_>>(),
+ /// vec!["value"]
+ /// );
+ /// ```
+ Set,
+ /// When encountered, store the associated value(s) in [`ArgMatches`][crate::ArgMatches]
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .arg(
+ /// Arg::new("flag")
+ /// .long("flag")
+ /// .action(clap::ArgAction::Append)
+ /// );
+ ///
+ /// let matches = cmd.try_get_matches_from(["mycmd", "--flag", "value1", "--flag", "value2"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_many::<String>("flag").unwrap_or_default().map(|v| v.as_str()).collect::<Vec<_>>(),
+ /// vec!["value1", "value2"]
+ /// );
+ /// ```
+ Append,
+ /// Deprecated, replaced with [`ArgAction::Set`] or [`ArgAction::Append`]
+ #[cfg_attr(
+ feature = "deprecated",
+ deprecated(
+ since = "3.2.0",
+ note = "Replaced with `ArgAction::Set` or `ArgAction::Append`"
+ )
+ )]
+ StoreValue,
+ /// Deprecated, replaced with [`ArgAction::SetTrue`] or [`ArgAction::Count`]
+ #[cfg_attr(
+ feature = "deprecated",
+ deprecated(
+ since = "3.2.0",
+ note = "Replaced with `ArgAction::SetTrue` or `ArgAction::Count`"
+ )
+ )]
+ IncOccurrence,
+ /// When encountered, act as if `"true"` was encountered on the command-line
+ ///
+ /// If no [`default_value`][super::Arg::default_value] is set, it will be `false`.
+ ///
+ /// No value is allowed. To optionally accept a value, see
+ /// [`Arg::default_missing_value`][super::Arg::default_missing_value]
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .arg(
+ /// Arg::new("flag")
+ /// .long("flag")
+ /// .action(clap::ArgAction::SetTrue)
+ /// );
+ ///
+ /// let matches = cmd.clone().try_get_matches_from(["mycmd", "--flag", "--flag"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_one::<bool>("flag").copied(),
+ /// Some(true)
+ /// );
+ ///
+ /// let matches = cmd.try_get_matches_from(["mycmd"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_one::<bool>("flag").copied(),
+ /// Some(false)
+ /// );
+ /// ```
+ SetTrue,
+ /// When encountered, act as if `"false"` was encountered on the command-line
+ ///
+ /// If no [`default_value`][super::Arg::default_value] is set, it will be `true`.
+ ///
+ /// No value is allowed. To optionally accept a value, see
+ /// [`Arg::default_missing_value`][super::Arg::default_missing_value]
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .arg(
+ /// Arg::new("flag")
+ /// .long("flag")
+ /// .action(clap::ArgAction::SetFalse)
+ /// );
+ ///
+ /// let matches = cmd.clone().try_get_matches_from(["mycmd", "--flag", "--flag"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_one::<bool>("flag").copied(),
+ /// Some(false)
+ /// );
+ ///
+ /// let matches = cmd.try_get_matches_from(["mycmd"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_one::<bool>("flag").copied(),
+ /// Some(true)
+ /// );
+ /// ```
+ SetFalse,
+ /// When encountered, increment a `u8` counter
+ ///
+ /// If no [`default_value`][super::Arg::default_value] is set, it will be `0`.
+ ///
+ /// No value is allowed. To optionally accept a value, see
+ /// [`Arg::default_missing_value`][super::Arg::default_missing_value]
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .arg(
+ /// Arg::new("flag")
+ /// .long("flag")
+ /// .action(clap::ArgAction::Count)
+ /// );
+ ///
+ /// let matches = cmd.clone().try_get_matches_from(["mycmd", "--flag", "--flag"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_count("flag"),
+ /// 2
+ /// );
+ ///
+ /// let matches = cmd.try_get_matches_from(["mycmd"]).unwrap();
+ /// assert!(matches.contains_id("flag"));
+ /// assert_eq!(matches.occurrences_of("flag"), 0);
+ /// assert_eq!(
+ /// matches.get_count("flag"),
+ /// 0
+ /// );
+ /// ```
+ Count,
+ /// When encountered, display [`Command::print_help`][super::App::print_help]
+ ///
+ /// Depending on the flag, [`Command::print_long_help`][super::App::print_long_help] may be shown
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .arg(
+ /// Arg::new("special-help")
+ /// .short('?')
+ /// .action(clap::ArgAction::Help)
+ /// );
+ ///
+ /// // Existing help still exists
+ /// let err = cmd.clone().try_get_matches_from(["mycmd", "-h"]).unwrap_err();
+ /// assert_eq!(err.kind(), clap::error::ErrorKind::DisplayHelp);
+ ///
+ /// // New help available
+ /// let err = cmd.try_get_matches_from(["mycmd", "-?"]).unwrap_err();
+ /// assert_eq!(err.kind(), clap::error::ErrorKind::DisplayHelp);
+ /// ```
+ Help,
+ /// When encountered, display [`Command::version`][super::App::version]
+ ///
+ /// Depending on the flag, [`Command::long_version`][super::App::long_version] may be shown
+ ///
+ /// # Examples
+ ///
+ /// ```rust
+ /// # use clap::Command;
+ /// # use clap::Arg;
+ /// let cmd = Command::new("mycmd")
+ /// .version("1.0.0")
+ /// .arg(
+ /// Arg::new("special-version")
+ /// .long("special-version")
+ /// .action(clap::ArgAction::Version)
+ /// );
+ ///
+ /// // Existing help still exists
+ /// let err = cmd.clone().try_get_matches_from(["mycmd", "--version"]).unwrap_err();
+ /// assert_eq!(err.kind(), clap::error::ErrorKind::DisplayVersion);
+ ///
+ /// // New help available
+ /// let err = cmd.try_get_matches_from(["mycmd", "--special-version"]).unwrap_err();
+ /// assert_eq!(err.kind(), clap::error::ErrorKind::DisplayVersion);
+ /// ```
+ Version,
+}
+
+impl ArgAction {
+ /// Returns whether this action accepts values on the command-line
+ ///
+ /// [`default_values`][super::Arg::default_values] and [`env`][super::Arg::env] may still be
+ /// processed.
+ pub fn takes_values(&self) -> bool {
+ match self {
+ Self::Set => true,
+ Self::Append => true,
+ #[allow(deprecated)]
+ Self::StoreValue => true,
+ #[allow(deprecated)]
+ Self::IncOccurrence => false,
+ Self::SetTrue => false,
+ Self::SetFalse => false,
+ Self::Count => false,
+ Self::Help => false,
+ Self::Version => false,
+ }
+ }
+
+ pub(crate) fn default_value(&self) -> Option<&'static std::ffi::OsStr> {
+ match self {
+ Self::Set => None,
+ Self::Append => None,
+ #[allow(deprecated)]
+ Self::StoreValue => None,
+ #[allow(deprecated)]
+ Self::IncOccurrence => None,
+ Self::SetTrue => Some(std::ffi::OsStr::new("false")),
+ Self::SetFalse => Some(std::ffi::OsStr::new("true")),
+ Self::Count => Some(std::ffi::OsStr::new("0")),
+ Self::Help => None,
+ Self::Version => None,
+ }
+ }
+
+ pub(crate) fn default_value_parser(&self) -> Option<super::ValueParser> {
+ match self {
+ Self::Set => None,
+ Self::Append => None,
+ #[allow(deprecated)]
+ Self::StoreValue => None,
+ #[allow(deprecated)]
+ Self::IncOccurrence => None,
+ Self::SetTrue => Some(super::ValueParser::bool()),
+ Self::SetFalse => Some(super::ValueParser::bool()),
+ Self::Count => Some(crate::value_parser!(u8).into()),
+ Self::Help => None,
+ Self::Version => None,
+ }
+ }
+
+ #[cfg(debug_assertions)]
+ pub(crate) fn value_type_id(&self) -> Option<crate::parser::AnyValueId> {
+ use crate::parser::AnyValueId;
+
+ match self {
+ Self::Set => None,
+ Self::Append => None,
+ #[allow(deprecated)]
+ Self::StoreValue => None,
+ #[allow(deprecated)]
+ Self::IncOccurrence => None,
+ Self::SetTrue => Some(AnyValueId::of::<bool>()),
+ Self::SetFalse => Some(AnyValueId::of::<bool>()),
+ Self::Count => Some(AnyValueId::of::<CountType>()),
+ Self::Help => None,
+ Self::Version => None,
+ }
+ }
+}
+
+pub(crate) type CountType = u8;