From 09eea5de01db76f154ec806ab613e443f0f02685 Mon Sep 17 00:00:00 2001
From: fab-10 <91944855+fab-10@users.noreply.github.com>
Date: Fri, 4 Feb 2022 09:05:23 +0100
Subject: [PATCH] Avoid re-scanning already scanned subprojects (#203)

---
 .../gradle/plugins/license/LicenseResolver.groovy     | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/main/groovy/nl/javadude/gradle/plugins/license/LicenseResolver.groovy b/src/main/groovy/nl/javadude/gradle/plugins/license/LicenseResolver.groovy
index 7c34dea..f66f3f5 100644
--- a/src/main/groovy/nl/javadude/gradle/plugins/license/LicenseResolver.groovy
+++ b/src/main/groovy/nl/javadude/gradle/plugins/license/LicenseResolver.groovy
@@ -132,13 +132,17 @@ class LicenseResolver {
         licenseSet
     }
 
+    Set<ResolvedArtifact> resolveProjectDependencies(Project project) {
+        resolveProjectDependencies(project, new HashSet<Project>())
+    }
+
     /**
      * Provide full list of resolved artifacts to handle for a given project.
      *
      * @param project                       the project
      * @return Set with resolved artifacts
      */
-    Set<ResolvedArtifact> resolveProjectDependencies(Project project) {
+    Set<ResolvedArtifact> resolveProjectDependencies(Project project, HashSet<Project> subprojectsAlreadyScanned) {
 
         Set<ResolvedArtifact> dependenciesToHandle = new HashSet<ResolvedArtifact>()
         def subprojects = project.rootProject.subprojects.groupBy { Project p -> "$p.group:$p.name:$p.version".toString()}
@@ -151,11 +155,12 @@ class LicenseResolver {
                     String dependencyDesc = "$d.moduleVersion.id.group:$d.moduleVersion.id.name:$d.moduleVersion.id.version".toString()
                     if(isDependencyIncluded(dependencyDesc)) {
                         Project subproject = subprojects[dependencyDesc]?.first()
-                        if (subproject) {
+                        if (subproject && !subprojectsAlreadyScanned.contains(subproject)) {
+                            subprojectsAlreadyScanned.add(subproject)
                             if(includeProjectDependencies) {
                                 dependenciesToHandle.add(d)
                             }
-                            dependenciesToHandle.addAll(resolveProjectDependencies(subproject))
+                            dependenciesToHandle.addAll(resolveProjectDependencies(subproject, subprojectsAlreadyScanned))
                         } else if (!subproject) {
                             dependenciesToHandle.add(d)
                         }