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ProjectType::Cargo => ProjectInfo { - name: "placeholder".into(), - version: "placeholder".into() - } + ProjectType::Cargo => self.read_cargo_metadata().into() } } + + fn read_cargo_metadata(&self) -> cargo_metadata::Metadata { + cargo_metadata::MetadataCommand::new().exec().expect("metadata call failed") + } } #[derive(Debug)] pub struct ProjectInfo { - pub name: String, + pub name: String, pub version: String } +impl From for ProjectInfo { + fn from(metadata: cargo_metadata::Metadata) -> Self { + let root_package_id = metadata.resolve + .expect("non-existent resolve field") + .root + .expect("non-existent root package id"); + let package = metadata.packages.into_iter() + .find(|package| package.id == root_package_id) + .expect("failed to find package in metadata"); + ProjectInfo { + name: package.name.into(), + version: format!("{}", package.version) + } + } +} + pub struct Scouter { search_path: PathBuf } @@ -103,6 +120,10 @@ mod test { #[test] fn test_scouter() { let mut scouter = Scouter::new(file!()); - assert_eq!(ProjectType::Cargo, scouter.next().unwrap().project_type); + let project = scouter.next().unwrap(); + let project_info = project.info(); + assert_eq!(ProjectType::Cargo, project.project_type); + assert_eq!(env!("CARGO_PKG_NAME"), project_info.name); + assert_eq!(env!("CARGO_PKG_VERSION"), project_info.version); } }