fix(DependencyGraphBuilder): Skip deep comparison for Gradle projects

This is unnecessary and leads to a long runtime (and possible an
infinite loop / recursion) for large dependency graphs as observed in

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

Author: jjohannes

model/src/main/kotlin/utils/DependencyGraphBuilder.kt

@@ -335,6 +335,13 @@ class DependencyGraphBuilder<D>(
         val dependencies2 = dependencies.associateBy { dependencyHandler.identifierFor(it) }
         if (!dependencies2.keys.containsAll(dependencies1)) return false
 
+        // It is not possible to check for the class instance here as the type comes from a plugin.
+        if (dependencyHandler.javaClass.simpleName == "GradleDependencyHandler") {
+            // In case of Gradle, the costly deep comparison can be skipped, because if the dependencies are the same,
+            // their children are also the same.
+            if (dependencies2.keys == dependencies1.toSet()) return true
+        }
+
         return ref.dependencies.all { refDep ->
             dependencies2[dependencyIds[refDep.pkg]]?.let { dependencyTreeEquals(refDep, it) } == true
         }