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//! Cargo flag for selecting the relevant crate.
use std::path;
#[derive(Default, Clone, Debug, PartialEq, Eq)]
#[cfg_attr(feature = "clap", derive(clap::Args))]
#[non_exhaustive]
pub struct Manifest {
#[cfg_attr(feature = "clap", arg(long, name = "PATH"))]
/// Path to Cargo.toml
pub manifest_path: Option<path::PathBuf>,
}
#[cfg(feature = "cargo_metadata")]
impl Manifest {
/// Create a `cargo_metadata::MetadataCommand`
///
/// Note: Requires the features `cargo_metadata`.
pub fn metadata(&self) -> cargo_metadata::MetadataCommand {
let mut c = cargo_metadata::MetadataCommand::new();
if let Some(ref manifest_path) = self.manifest_path {
c.manifest_path(manifest_path);
}
c
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
#[cfg(feature = "clap")]
fn verify_app() {
#[derive(Debug, clap::Parser)]
struct Cli {
#[command(flatten)]
manifest: Manifest,
}
use clap::CommandFactory;
Cli::command().debug_assert()
}
#[cfg(feature = "cargo_metadata")]
#[test]
fn metadata_with_path() {
let manifest = Manifest {
manifest_path: Some(path::PathBuf::from("tests/fixtures/simple/Cargo.toml")),
};
let metadata = manifest.metadata();
metadata.exec().unwrap();
// TODO verify we forwarded correctly.
}
#[cfg(feature = "cargo_metadata")]
#[test]
fn metadata_without_path() {
let cwd = path::PathBuf::from("tests/fixtures/simple");
let manifest = Manifest {
manifest_path: None,
};
let mut metadata = manifest.metadata();
metadata.current_dir(cwd).exec().unwrap();
// TODO verify we forwarded correctly.
}
}
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