Include ref, version, and description

src/model.rs

@@ -11,6 +11,10 @@ pub(crate) struct Model {
 pub(crate) struct ModelComponent {
     pub(crate) r#type: ModelType,
     pub(crate) name: String,
+    /// A unique identifier op the component to be used as a reference elsewhere in the sbom
+    pub(crate) r#ref: String,
+    pub(crate) version: String,
+    pub(crate) description: String,
 }
 
 #[derive(Debug)]
@@ -35,6 +39,9 @@ impl From<ModelComponent> for cyclonedx::Component {
         cyclonedx::ComponentBuilder::default()
             .type_(model_component.r#type)
             .name(model_component.name)
+            .bom_ref(model_component.r#ref)
+            .version(model_component.version)
+            .description(model_component.description)
             .build()
             .unwrap()
     }

src/nixtract.rs

@@ -38,6 +38,7 @@ pub(crate) struct NixtractParsedName {
 
 #[derive(Deserialize, Debug)]
 pub(crate) struct NixtractNixpkgsMetadata {
+    pub(crate) description: String,
     pub(crate) pname: String,
     pub(crate) version: String,
     pub(crate) broken: bool,
@@ -48,7 +49,7 @@ pub(crate) struct NixtractNixpkgsMetadata {
 pub(crate) struct NixtractBuiltInput {
     pub(crate) attribute_path: String,
     pub(crate) build_input_type: String,
-    pub(crate) output_path: String,
+    pub(crate) output_path: Option<String>,
 }
 
 impl From<Nixtract> for Model {
@@ -59,6 +60,9 @@ impl From<Nixtract> for Model {
             .map(|entry| ModelComponent {
                 r#type: ModelType::Application,
                 name: entry.parsed_name.name,
+                r#ref: entry.output_path,
+                version: entry.nixpkgs_metadata.version,
+                description: entry.nixpkgs_metadata.description,
             })
             .collect();