From ef24de24a82fe681581cc130f342363c47c0969a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 7 Jun 2024 07:48:48 +0200
Subject: Merging upstream version 1.75.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/clap-cargo/src/features.rs | 168 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 vendor/clap-cargo/src/features.rs

(limited to 'vendor/clap-cargo/src/features.rs')

diff --git a/vendor/clap-cargo/src/features.rs b/vendor/clap-cargo/src/features.rs
new file mode 100644
index 000000000..21a7513d2
--- /dev/null
+++ b/vendor/clap-cargo/src/features.rs
@@ -0,0 +1,168 @@
+//! Cargo Feature Flags.
+
+#[derive(Default, Clone, Debug, PartialEq, Eq)]
+#[cfg_attr(feature = "clap", derive(clap::Args))]
+#[non_exhaustive]
+pub struct Features {
+    #[cfg_attr(feature = "clap", arg(long))]
+    /// Activate all available features
+    pub all_features: bool,
+    #[cfg_attr(feature = "clap", arg(long))]
+    /// Do not activate the `default` feature
+    pub no_default_features: bool,
+    #[cfg_attr(feature = "clap", arg(short = 'F', long, value_delimiter = ' '))]
+    /// Space-separated list of features to activate
+    pub features: Vec<String>,
+}
+
+#[cfg(feature = "cargo_metadata")]
+impl Features {
+    /// Forward these flags to the `cargo_metadata` crate.
+    ///
+    /// Note: Requires the features `cargo_metadata`.
+    pub fn forward_metadata<'m>(
+        &self,
+        meta: &'m mut cargo_metadata::MetadataCommand,
+    ) -> &'m mut cargo_metadata::MetadataCommand {
+        if self.all_features {
+            meta.features(cargo_metadata::CargoOpt::AllFeatures);
+        }
+        if self.no_default_features {
+            meta.features(cargo_metadata::CargoOpt::NoDefaultFeatures);
+        }
+        if !self.features.is_empty() {
+            meta.features(cargo_metadata::CargoOpt::SomeFeatures(
+                self.features.clone(),
+            ));
+        }
+        meta
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    #[cfg(feature = "clap")]
+    fn verify_app() {
+        #[derive(Debug, clap::Parser)]
+        struct Cli {
+            #[command(flatten)]
+            features: Features,
+        }
+
+        use clap::CommandFactory;
+        Cli::command().debug_assert()
+    }
+
+    #[test]
+    #[cfg(feature = "clap")]
+    fn parse_multiple_occurrences() {
+        use clap::Parser;
+
+        #[derive(PartialEq, Eq, Debug, Parser)]
+        struct Args {
+            positional: Option<String>,
+            #[command(flatten)]
+            features: Features,
+        }
+
+        assert_eq!(
+            Args {
+                positional: None,
+                features: Features {
+                    all_features: false,
+                    no_default_features: false,
+                    features: vec![]
+                }
+            },
+            Args::parse_from(["test"])
+        );
+        assert_eq!(
+            Args {
+                positional: Some("foo".to_owned()),
+                features: Features {
+                    all_features: false,
+                    no_default_features: false,
+                    features: vec![]
+                }
+            },
+            Args::parse_from(["test", "foo"])
+        );
+        assert_eq!(
+            Args {
+                positional: None,
+                features: Features {
+                    all_features: false,
+                    no_default_features: false,
+                    features: vec!["foo".to_owned()]
+                }
+            },
+            Args::parse_from(["test", "--features", "foo"])
+        );
+        assert_eq!(
+            Args {
+                positional: None,
+                features: Features {
+                    all_features: false,
+                    no_default_features: false,
+                    features: vec!["foo".to_owned(), "bar".to_owned()]
+                }
+            },
+            Args::parse_from(["test", "--features", "foo bar"])
+        );
+        assert_eq!(
+            Args {
+                positional: Some("baz".to_owned()),
+                features: Features {
+                    all_features: false,
+                    no_default_features: false,
+                    features: vec!["foo".to_owned(), "bar".to_owned()]
+                }
+            },
+            Args::parse_from(["test", "--features", "foo bar", "baz"])
+        );
+        assert_eq!(
+            Args {
+                positional: Some("baz".to_owned()),
+                features: Features {
+                    all_features: false,
+                    no_default_features: false,
+                    features: vec!["foo".to_owned(), "bar".to_owned()]
+                }
+            },
+            Args::parse_from(["test", "--features", "foo", "--features", "bar", "baz"])
+        );
+    }
+
+    #[cfg(feature = "cargo_metadata")]
+    #[test]
+    fn features_all() {
+        let mut metadata = cargo_metadata::MetadataCommand::new();
+        metadata.manifest_path("tests/fixtures/simple/Cargo.toml");
+
+        let features = Features {
+            all_features: true,
+            ..Default::default()
+        };
+        features.forward_metadata(&mut metadata);
+        metadata.exec().unwrap();
+        // TODO verify we forwarded correctly.
+    }
+
+    #[cfg(feature = "cargo_metadata")]
+    #[test]
+    fn features_none() {
+        let mut metadata = cargo_metadata::MetadataCommand::new();
+        metadata.manifest_path("tests/fixtures/simple/Cargo.toml");
+
+        let features = Features {
+            no_default_features: true,
+            ..Default::default()
+        };
+        features.forward_metadata(&mut metadata);
+        metadata.exec().unwrap();
+        // TODO verify we forwarded correctly.
+    }
+}
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