Report mojo: find a top level module for "mvn -pl"

scoverage · Dec 26, 2023 · 85c5796 · 85c5796
1 parent f67eb01
commit 85c5796
Showing 1 changed file with 31 additions and 1 deletion.
diff --git a/src/main/java/org/scoverage/plugin/SCoverageReportMojo.java b/src/main/java/org/scoverage/plugin/SCoverageReportMojo.java
@@ -56,7 +56,6 @@
 import scoverage.reporter.IOUtils;
 import scoverage.serialize.Serializer;
 import scoverage.reporter.CoberturaXmlWriter;
-import scoverage.reporter.CoverageAggregator;
 import scoverage.reporter.ScoverageHtmlWriter;
 import scoverage.reporter.ScoverageXmlWriter;
 
@@ -513,6 +512,11 @@ else if ( !module.getPackaging().equals( "pom" ) )
             }
         }
 
+        if ( null == topLevelModule )
+        {
+            topLevelModule = findAncestorModuleWithShortestBasedir();
+        }
+
         /* Empty report must be generated or top-level site will contain invalid link to non-existent Scoverage report
         if ( scoverageDataDirs.isEmpty() )
         {
@@ -547,6 +551,32 @@ else if ( !module.getPackaging().equals( "pom" ) )
         getLog().info( "Coverage aggregated reports completed." );
     }
 
+    private MavenProject findAncestorModuleWithShortestBasedir()
+    {
+        MavenProject topLevelModule = null;
+        for ( MavenProject module : reactorProjects )
+        {
+            if ( !module.hasParent() )
+            {
+                continue;
+            }
+
+            MavenProject ancestorModule = module.getParent();
+            while ( ancestorModule.hasParent() )
+            {
+                ancestorModule = ancestorModule.getParent();
+            }
+            if ( null != topLevelModule &&
+                 topLevelModule.getBasedir().getAbsolutePath().length() <
+                 ancestorModule.getBasedir().getAbsolutePath().length() )
+            {
+                continue;
+            }
+            topLevelModule = ancestorModule;
+        }
+        return null == topLevelModule ? project : topLevelModule;
+    }
+
     private void writeReports( Coverage coverage, List<File> sourceRoots, File coberturaXmlOutputDirectory,
                                File scoverageXmlOutputDirectory, File scoverageHtmlOutputDirectory )
     {