From 20431706a863f92cb37dc512fef6e48d192aaf2c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:38 +0200
Subject: Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/clap-3.2.20/src/builder/value_hint.rs | 95 ++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 vendor/clap-3.2.20/src/builder/value_hint.rs

(limited to 'vendor/clap-3.2.20/src/builder/value_hint.rs')

diff --git a/vendor/clap-3.2.20/src/builder/value_hint.rs b/vendor/clap-3.2.20/src/builder/value_hint.rs
new file mode 100644
index 000000000..7c35d1eb3
--- /dev/null
+++ b/vendor/clap-3.2.20/src/builder/value_hint.rs
@@ -0,0 +1,95 @@
+use std::str::FromStr;
+
+/// Provide shell with hint on how to complete an argument.
+///
+/// See [Arg::value_hint][crate::Arg::value_hint] to set this on an argument.
+///
+/// See the `clap_complete` crate for completion script generation.
+///
+/// Overview of which hints are supported by which shell:
+///
+/// | Hint                   | zsh | fish[^1]|
+/// | ---------------------- | --- | ------- |
+/// | `AnyPath`              | Yes | Yes     |
+/// | `FilePath`             | Yes | Yes     |
+/// | `DirPath`              | Yes | Yes     |
+/// | `ExecutablePath`       | Yes | Partial |
+/// | `CommandName`          | Yes | Yes     |
+/// | `CommandString`        | Yes | Partial |
+/// | `CommandWithArguments` | Yes |         |
+/// | `Username`             | Yes | Yes     |
+/// | `Hostname`             | Yes | Yes     |
+/// | `Url`                  | Yes |         |
+/// | `EmailAddress`         | Yes |         |
+///
+/// [^1]: fish completions currently only support named arguments (e.g. -o or --opt), not
+///       positional arguments.
+#[derive(Debug, PartialEq, Eq, Hash, Copy, Clone)]
+#[non_exhaustive]
+pub enum ValueHint {
+    /// Default value if hint is not specified. Follows shell default behavior, which is usually
+    /// auto-completing filenames.
+    Unknown,
+    /// None of the hints below apply. Disables shell completion for this argument.
+    Other,
+    /// Any existing path.
+    AnyPath,
+    /// Path to a file.
+    FilePath,
+    /// Path to a directory.
+    DirPath,
+    /// Path to an executable file.
+    ExecutablePath,
+    /// Name of a command, without arguments. May be relative to PATH, or full path to executable.
+    CommandName,
+    /// A single string containing a command and its arguments.
+    CommandString,
+    /// Capture the remaining arguments as a command name and arguments for that command. This is
+    /// common when writing shell wrappers that execute anther command, for example `sudo` or `env`.
+    ///
+    /// This hint is special, the argument must be a positional argument and have
+    /// [`.multiple_values(true)`] and Command must use [`Command::trailing_var_arg(true)`]. The result is that the
+    /// command line `my_app ls -la /` will be parsed as `["ls", "-la", "/"]` and clap won't try to
+    /// parse the `-la` argument itself.
+    ///
+    /// [`Command::trailing_var_arg(true)`]: crate::Command::trailing_var_arg
+    /// [`.multiple_values(true)`]: crate::Arg::multiple_values()
+    CommandWithArguments,
+    /// Name of a local operating system user.
+    Username,
+    /// Host name of a computer.
+    /// Shells usually parse `/etc/hosts` and `.ssh/known_hosts` to complete hostnames.
+    Hostname,
+    /// Complete web address.
+    Url,
+    /// Email address.
+    EmailAddress,
+}
+
+impl Default for ValueHint {
+    fn default() -> Self {
+        ValueHint::Unknown
+    }
+}
+
+impl FromStr for ValueHint {
+    type Err = String;
+    fn from_str(s: &str) -> Result<Self, <Self as FromStr>::Err> {
+        Ok(match &*s.to_ascii_lowercase() {
+            "unknown" => ValueHint::Unknown,
+            "other" => ValueHint::Other,
+            "anypath" => ValueHint::AnyPath,
+            "filepath" => ValueHint::FilePath,
+            "dirpath" => ValueHint::DirPath,
+            "executablepath" => ValueHint::ExecutablePath,
+            "commandname" => ValueHint::CommandName,
+            "commandstring" => ValueHint::CommandString,
+            "commandwitharguments" => ValueHint::CommandWithArguments,
+            "username" => ValueHint::Username,
+            "hostname" => ValueHint::Hostname,
+            "url" => ValueHint::Url,
+            "emailaddress" => ValueHint::EmailAddress,
+            _ => return Err(format!("unknown ValueHint: `{}`", s)),
+        })
+    }
+}
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