feat(gradle-model): Track the Gradle variant of dependencies

This is a preparation for finding an alternative solution to [1] that
does not require modifying the basic `Identifier` class.

[1]: #9817

Signed-off-by: Jendrik Johannes <[email protected]>
Signed-off-by: Sebastian Schuberth <[email protected]>

Author: sschuberth

plugins/package-managers/gradle-model/src/main/kotlin/GradleModel.kt

@@ -41,6 +41,7 @@ interface OrtDependency {
     val groupId: String
     val artifactId: String
     val version: String
+    val variants: Set<String>
     val classifier: String
     val extension: String
     val dependencies: List<OrtDependency>

plugins/package-managers/gradle-plugin/src/main/kotlin/OrtModelBuilder.kt

@@ -224,6 +224,7 @@ internal class OrtModelBuilder : ToolingModelBuilder {
                                 groupId = id.group,
                                 artifactId = id.module,
                                 version = id.version,
+                                variants = selectedComponent.variants.mapTo(mutableSetOf()) { it.displayName },
                                 classifier = "",
                                 extension = modelBuildingResult?.effectiveModel?.packaging.orEmpty(),
                                 dependencies = dependencies,
@@ -253,6 +254,7 @@ internal class OrtModelBuilder : ToolingModelBuilder {
                                 groupId = moduleId.group,
                                 artifactId = moduleId.name,
                                 version = moduleId.version.takeUnless { it == "unspecified" }.orEmpty(),
+                                variants = selectedComponent.variants.mapTo(mutableSetOf()) { it.displayName },
                                 classifier = "",
                                 extension = "",
                                 dependencies = dependencies,

plugins/package-managers/gradle-plugin/src/main/kotlin/OrtModelImpl.kt

@@ -51,6 +51,7 @@ internal class OrtDependencyImpl(
     override val artifactId: String,
     override val version: String,
     override val classifier: String,
+    override val variants: Set<String>,
     override val extension: String,
     override val dependencies: List<OrtDependency>,
     override val error: String?,

plugins/package-managers/gradle/src/main/resources/init.gradle

@@ -71,6 +71,7 @@ interface OrtDependency {
     String getArtifactId()
     String getVersion()
     String getClassifier()
+    Set<String> getVariants()
     String getExtension()
     List<OrtDependency> getDependencies()
     String getError()
@@ -110,6 +111,7 @@ class OrtDependencyImpl implements OrtDependency, Serializable {
     String groupId = ''
     String artifactId = ''
     String version = ''
+    Set<String> variants = []
     String classifier = ''
     String extension = ''
     List<OrtDependency> dependencies = []
@@ -382,7 +384,7 @@ class AbstractOrtDependencyTreePlugin<T> implements Plugin<T> {
                     def classifier = artifact?.classifier ?: ''
                     def extension = artifact?.extension ?: ''
 
-                    return new OrtDependencyImpl(id.group, id.module, id.version, classifier, extension, dependencies,
+                    return new OrtDependencyImpl(id.group, id.module, id.version, [] as Set, classifier, extension, dependencies,
                             error, warning, pomFile, null)
                 } else if (id instanceof ProjectComponentIdentifier) {
                     if (id.build.isCurrentBuild() || !project.gradle.gradleVersion.isAtLeastVersion(7, 2)) {