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Posted to commits@maven.apache.org by sc...@apache.org on 2017/01/31 02:53:59 UTC

[1/4] maven git commit: [MNG-4347] import-scoped dependencies of direct dependencies are not resolved using profile modifications from settings.xml

Repository: maven
Updated Branches:
  refs/heads/DEPMGMT-INCLUDE [created] 53b92d484


[MNG-4347] import-scoped dependencies of direct dependencies are not resolved using profile modifications from settings.xml

o Updated the 'DefaultModelResolver' to handle replacing repositories the same way the
  'DefaultDependencyCollector' does. When the 'DefaultDependencyCollector' finds
  a repository in a child node with an id matching a repository already in use,
  it will only merge any mirror definitions but never change the repository already
  in use. The 'DefaultModelResolver' needs to follow the same logic. What has been
  provided must not change for consistency.


Project: http://git-wip-us.apache.org/repos/asf/maven/repo
Commit: http://git-wip-us.apache.org/repos/asf/maven/commit/0fc1584e
Tree: http://git-wip-us.apache.org/repos/asf/maven/tree/0fc1584e
Diff: http://git-wip-us.apache.org/repos/asf/maven/diff/0fc1584e

Branch: refs/heads/DEPMGMT-INCLUDE
Commit: 0fc1584edd8efc8fec5e9a6afb18a15e11177e49
Parents: ebc0d04
Author: Christian Schulte <sc...@apache.org>
Authored: Tue Dec 13 03:30:32 2016 +0100
Committer: Christian Schulte <sc...@apache.org>
Committed: Tue Jan 31 03:39:13 2017 +0100

----------------------------------------------------------------------
 .../maven/repository/internal/DefaultModelResolver.java | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/maven/blob/0fc1584e/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java
----------------------------------------------------------------------
diff --git a/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java b/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java
index 0832a3a..a69b631 100644
--- a/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java
+++ b/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java
@@ -71,6 +71,8 @@ class DefaultModelResolver
 
     private final List<RemoteRepository> externalRepositories;
 
+    private final Set<String> externalRepositoryIds;
+
     private final ArtifactResolver resolver;
 
     private final VersionRangeResolver versionRangeResolver;
@@ -93,8 +95,13 @@ class DefaultModelResolver
         List<RemoteRepository> externalRepositories = new ArrayList<>();
         externalRepositories.addAll( repositories );
         this.externalRepositories = Collections.unmodifiableList( externalRepositories );
-
         this.repositoryIds = new HashSet<>();
+        this.externalRepositoryIds = new HashSet<>();
+        for ( final RemoteRepository repository : this.repositories )
+        {
+            this.repositoryIds.add( repository.getId() );
+            this.externalRepositoryIds.add( repository.getId() );
+        }
     }
 
     private DefaultModelResolver( DefaultModelResolver original )
@@ -108,6 +115,7 @@ class DefaultModelResolver
         this.repositories = new ArrayList<>( original.repositories );
         this.externalRepositories = original.externalRepositories;
         this.repositoryIds = new HashSet<>( original.repositoryIds );
+        this.externalRepositoryIds = new HashSet<>( original.externalRepositoryIds );
     }
 
     @Override
@@ -128,7 +136,7 @@ class DefaultModelResolver
 
         if ( !repositoryIds.add( repository.getId() ) )
         {
-            if ( !replace )
+            if ( !replace || this.externalRepositoryIds.contains( repository.getId() ) )
             {
                 return;
             }


[2/4] maven git commit: [MNG-5639] Support resolution of Import Scope POMs from Repo that contains a ${parameter}

Posted by sc...@apache.org.
[MNG-5639] Support resolution of Import Scope POMs from Repo that contains a ${parameter}

o Updated to stop replacing external repositories when repository merging is set
  to REQUEST_DOMINANT.


Project: http://git-wip-us.apache.org/repos/asf/maven/repo
Commit: http://git-wip-us.apache.org/repos/asf/maven/commit/15917342
Tree: http://git-wip-us.apache.org/repos/asf/maven/tree/15917342
Diff: http://git-wip-us.apache.org/repos/asf/maven/diff/15917342

Branch: refs/heads/DEPMGMT-INCLUDE
Commit: 1591734234b9107e487fa69da7ebd11f87ee784d
Parents: 0fc1584
Author: Christian Schulte <sc...@apache.org>
Authored: Tue Dec 13 20:16:20 2016 +0100
Committer: Christian Schulte <sc...@apache.org>
Committed: Tue Jan 31 03:39:14 2017 +0100

----------------------------------------------------------------------
 .../project/DefaultProjectBuildingRequest.java   | 19 +++++++++++--------
 .../maven/project/ProjectModelResolver.java      | 12 +++++++++++-
 2 files changed, 22 insertions(+), 9 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/maven/blob/15917342/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingRequest.java
----------------------------------------------------------------------
diff --git a/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingRequest.java b/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingRequest.java
index f1b271b..ce6e25a 100644
--- a/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingRequest.java
+++ b/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingRequest.java
@@ -79,22 +79,25 @@ public class DefaultProjectBuildingRequest
         pluginArtifactRepositories = new ArrayList<>();
     }
 
+    @SuppressWarnings( "deprecation" )
     public DefaultProjectBuildingRequest( ProjectBuildingRequest request )
     {
         this();
-        setProcessPlugins( request.isProcessPlugins() );
-        setProfiles( request.getProfiles() );
         setActiveProfileIds( request.getActiveProfileIds() );
+        setBuildStartTime( request.getBuildStartTime() );
         setInactiveProfileIds( request.getInactiveProfileIds() );
-        setSystemProperties( request.getSystemProperties() );
-        setUserProperties( request.getUserProperties() );
-        setRemoteRepositories( request.getRemoteRepositories() );
-        setPluginArtifactRepositories( request.getPluginArtifactRepositories() );
-        setRepositorySession( request.getRepositorySession() );
         setLocalRepository( request.getLocalRepository() );
-        setBuildStartTime( request.getBuildStartTime() );
+        setPluginArtifactRepositories( request.getPluginArtifactRepositories() );
+        setProcessPlugins( request.isProcessPlugins() );
+        setProfiles( request.getProfiles() );
         setProject( request.getProject() );
+        setRemoteRepositories( request.getRemoteRepositories() );
+        setRepositoryMerging( request.getRepositoryMerging() );
+        setRepositorySession( request.getRepositorySession() );
         setResolveDependencies( request.isResolveDependencies() );
+        setResolveVersionRanges( request.isResolveVersionRanges() );
+        setSystemProperties( request.getSystemProperties() );
+        setUserProperties( request.getUserProperties() );
         setValidationLevel( request.getValidationLevel() );
     }
 

http://git-wip-us.apache.org/repos/asf/maven/blob/15917342/maven-core/src/main/java/org/apache/maven/project/ProjectModelResolver.java
----------------------------------------------------------------------
diff --git a/maven-core/src/main/java/org/apache/maven/project/ProjectModelResolver.java b/maven-core/src/main/java/org/apache/maven/project/ProjectModelResolver.java
index f11e77d..526e54d 100644
--- a/maven-core/src/main/java/org/apache/maven/project/ProjectModelResolver.java
+++ b/maven-core/src/main/java/org/apache/maven/project/ProjectModelResolver.java
@@ -79,6 +79,8 @@ public class ProjectModelResolver
 
     private final Set<String> repositoryIds;
 
+    private final Set<String> externalRepositoryIds;
+
     private final ReactorModelPool modelPool;
 
     private final ProjectBuildingRequest.RepositoryMerging repositoryMerging;
@@ -100,7 +102,13 @@ public class ProjectModelResolver
         this.repositories.addAll( externalRepositories );
         this.repositoryMerging = repositoryMerging;
         this.repositoryIds = new HashSet<>();
+        this.externalRepositoryIds = new HashSet<>();
         this.modelPool = modelPool;
+        for ( final RemoteRepository repository : repositories )
+        {
+            this.repositoryIds.add( repository.getId() );
+            this.externalRepositoryIds.add( repository.getId() );
+        }
     }
 
     private ProjectModelResolver( ProjectModelResolver original )
@@ -114,6 +122,7 @@ public class ProjectModelResolver
         this.repositories = new ArrayList<>( original.repositories );
         this.repositoryMerging = original.repositoryMerging;
         this.repositoryIds = new HashSet<>( original.repositoryIds );
+        this.externalRepositoryIds = new HashSet<>( original.externalRepositoryIds );
         this.modelPool = original.modelPool;
     }
 
@@ -129,7 +138,8 @@ public class ProjectModelResolver
     {
         if ( !repositoryIds.add( repository.getId() ) )
         {
-            if ( !replace )
+            if ( !replace || ( ProjectBuildingRequest.RepositoryMerging.REQUEST_DOMINANT.equals( repositoryMerging )
+                               && this.externalRepositoryIds.contains( repository.getId() ) ) )
             {
                 return;
             }


[3/4] maven git commit: [MNG-5971] Imported dependencies should be available to inheritance processing

Posted by sc...@apache.org.
[MNG-5971] Imported dependencies should be available to inheritance processing

o Updated the 'DefaultDependencyManagementImporter' to stop ignoring import
  dependency conflicts silently. Such conflicts need to be resolved manually by
  adding the conflicting dependency to the pom manually.
o Updated to add support for an 'include' scope in dependency management
  processed before inheritance and interpolation.
o Re-formatted 'DefaultModelBuilder'.
o Documentation updates.


Project: http://git-wip-us.apache.org/repos/asf/maven/repo
Commit: http://git-wip-us.apache.org/repos/asf/maven/commit/479e0ddd
Tree: http://git-wip-us.apache.org/repos/asf/maven/tree/479e0ddd
Diff: http://git-wip-us.apache.org/repos/asf/maven/diff/479e0ddd

Branch: refs/heads/DEPMGMT-INCLUDE
Commit: 479e0ddda9c7b16381139d74bd2d84d2170bdce7
Parents: 1591734
Author: Christian Schulte <sc...@apache.org>
Authored: Thu Feb 18 14:07:02 2016 +0100
Committer: Christian Schulte <sc...@apache.org>
Committed: Tue Jan 31 03:39:15 2017 +0100

----------------------------------------------------------------------
 .../model/building/DefaultModelBuilder.java     | 386 ++++++++++++++-----
 .../building/DefaultModelBuildingResult.java    |  26 +-
 .../model/building/ModelBuildingResult.java     |  12 +
 .../DefaultDependencyManagementImporter.java    | 213 +++++++++-
 maven-model-builder/src/site/apt/index.apt      |  12 +-
 5 files changed, 528 insertions(+), 121 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/maven/blob/479e0ddd/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
----------------------------------------------------------------------
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java b/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
index a45eae8..a45c681 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
@@ -24,6 +24,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -82,6 +83,7 @@ import static org.apache.maven.model.building.Result.newResult;
 public class DefaultModelBuilder
     implements ModelBuilder
 {
+
     @Requirement
     private ModelProcessor modelProcessor;
 
@@ -248,8 +250,8 @@ public class DefaultModelBuilder
         DefaultProfileActivationContext profileActivationContext = getProfileActivationContext( request );
 
         problems.setSource( "(external profiles)" );
-        List<Profile> activeExternalProfiles = profileSelector.getActiveProfiles( request.getProfiles(),
-                                                                                  profileActivationContext, problems );
+        List<Profile> activeExternalProfiles =
+            profileSelector.getActiveProfiles( request.getProfiles(), profileActivationContext, problems );
 
         result.setActiveExternalProfiles( activeExternalProfiles );
 
@@ -296,8 +298,9 @@ public class DefaultModelBuilder
 
             profileActivationContext.setProjectProperties( tmpModel.getProperties() );
 
-            List<Profile> activePomProfiles = profileSelector.getActiveProfiles( rawModel.getProfiles(),
-                                                                                 profileActivationContext, problems );
+            List<Profile> activePomProfiles =
+                profileSelector.getActiveProfiles( rawModel.getProfiles(), profileActivationContext, problems );
+
             currentData.setActiveProfiles( activePomProfiles );
 
             Map<String, Activation> interpolatedActivations = getProfileActivations( rawModel, false );
@@ -331,14 +334,14 @@ public class DefaultModelBuilder
                 currentData = superData;
             }
             else if ( currentData == resultData )
-            { // First iteration - add initial parent id after version resolution.
-                currentData.setGroupId( currentData.getRawModel().getGroupId() == null ? parentData.getGroupId()
-                                                                                      : currentData.getRawModel()
-                                                                                          .getGroupId() );
+            { // First iteration - add initial id after version resolution.
+                currentData.setGroupId( currentData.getRawModel().getGroupId() == null
+                                            ? parentData.getGroupId()
+                                            : currentData.getRawModel().getGroupId() );
 
-                currentData.setVersion( currentData.getRawModel().getVersion() == null ? parentData.getVersion()
-                                                                                      : currentData.getRawModel()
-                                                                                          .getVersion() );
+                currentData.setVersion( currentData.getRawModel().getVersion() == null
+                                            ? parentData.getVersion()
+                                            : currentData.getRawModel().getVersion() );
 
                 currentData.setArtifactId( currentData.getRawModel().getArtifactId() );
                 parentIds.add( currentData.getId() );
@@ -357,8 +360,9 @@ public class DefaultModelBuilder
                 }
                 message += parentData.getId();
 
-                problems.add( new ModelProblemCollectorRequest( ModelProblem.Severity.FATAL, ModelProblem.Version.BASE )
-                    .setMessage( message ) );
+                problems.add( new ModelProblemCollectorRequest( ModelProblem.Severity.FATAL,
+                                                                ModelProblem.Version.BASE ).
+                    setMessage( message ) );
 
                 throw problems.newModelBuildingException();
             }
@@ -371,24 +375,34 @@ public class DefaultModelBuilder
         problems.setSource( inputModel );
         checkPluginVersions( lineage, request, problems );
 
-        // inheritance assembly
-        assembleInheritance( lineage, request, problems );
+        // [MNG-4052] import scope dependencies prefer to download pom rather than find it in the current project
+        // [MNG-5971] Imported dependencies should be available to inheritance processing
+        //
+        // This first phase of model building is used for building models holding just enough information to map
+        // groupId:artifactId:version to pom files and to provide modules to build. For this, inheritance and
+        // interpolation needs to be performed. A temporary model is built in phase 1 applying inheritance and
+        // interpolation to fill in those values but is not returned. The rest of the model building takes place in
+        // phase 2.
+        final DefaultModelProblemCollector intermediateProblems = new DefaultModelProblemCollector( result );
+        final List<Model> intermediateLineage = new ArrayList<>( lineage.size() );
+        for ( final ModelData modelData : lineage )
+        {
+            intermediateLineage.add( modelData.getModel().clone() );
+        }
+        assembleInheritance( intermediateLineage, request, intermediateProblems );
+
+        Model intermediateModel = intermediateLineage.get( 0 );
+        intermediateModel = interpolateModel( intermediateModel, request, intermediateProblems );
 
         Model resultModel = resultData.getModel();
 
+        resultModel.setGroupId( intermediateModel.getGroupId() );
+        resultModel.setArtifactId( intermediateModel.getArtifactId() );
+        resultModel.setVersion( intermediateModel.getVersion() );
+
         problems.setSource( resultModel );
         problems.setRootModel( resultModel );
 
-        // model interpolation
-        resultModel = interpolateModel( resultModel, request, problems );
-        resultData.setModel( resultModel );
-
-        // url normalization
-        modelUrlNormalizer.normalize( resultModel, request );
-
-        // Now the fully interpolated model is available: reconfigure the resolver
-        configureResolver( request.getModelResolver(), resultModel, problems, true );
-
         resultData.setGroupId( resultModel.getGroupId() );
         resultData.setArtifactId( resultModel.getArtifactId() );
         resultData.setVersion( resultModel.getVersion() );
@@ -402,6 +416,7 @@ public class DefaultModelBuilder
             result.addModelId( modelId );
             result.setActivePomProfiles( modelId, currentData.getActiveProfiles() );
             result.setRawModel( modelId, currentData.getRawModel() );
+            result.setEffectiveModel( modelId, currentData.getModel() );
         }
 
         if ( !request.isTwoPhaseBuilding() )
@@ -416,20 +431,40 @@ public class DefaultModelBuilder
     public ModelBuildingResult build( ModelBuildingRequest request, ModelBuildingResult result )
         throws ModelBuildingException
     {
-        return build( request, result, new LinkedHashSet<String>() );
-    }
-
-    private ModelBuildingResult build( ModelBuildingRequest request, ModelBuildingResult result,
-                                       Collection<String> imports )
-        throws ModelBuildingException
-    {
         // phase 2
         Model resultModel = result.getEffectiveModel();
 
+        // Reset to on-disk values to not suppress any warnings from phase 1.
+        resultModel.setGroupId( result.getRawModel().getGroupId() );
+        resultModel.setArtifactId( result.getRawModel().getArtifactId() );
+        resultModel.setVersion( result.getRawModel().getVersion() );
+
         DefaultModelProblemCollector problems = new DefaultModelProblemCollector( result );
         problems.setSource( resultModel );
         problems.setRootModel( resultModel );
 
+        final List<Model> lineage = new ArrayList<>( result.getModelIds().size() );
+
+        for ( final String modelId : result.getModelIds() )
+        {
+            lineage.add( result.getEffectiveModel( modelId ) );
+        }
+
+        // [MNG-5971] Imported dependencies should be available to inheritance processing
+        processImports( lineage, "include", "pom", request, problems );
+        problems.setSource( resultModel );
+
+        // inheritance assembly
+        assembleInheritance( lineage, request, problems );
+
+        resultModel = interpolateModel( resultModel, request, problems );
+
+        // url normalization
+        modelUrlNormalizer.normalize( resultModel, request );
+
+        // Now the fully interpolated model is available: reconfigure the resolver
+        configureResolver( request.getModelResolver(), resultModel, problems, true );
+
         // model path translation
         modelPathTranslator.alignToBaseDirectory( resultModel, resultModel.getProjectDirectory(), request );
 
@@ -449,8 +484,7 @@ public class DefaultModelBuilder
             lifecycleBindingsInjector.injectLifecycleBindings( resultModel, request, problems );
         }
 
-        // dependency management import
-        importDependencyManagement( resultModel, request, problems, imports );
+        this.importDependencyManagement( resultModel, "import", request, problems, new HashSet<String>() );
 
         // dependency management injection
         dependencyManagementInjector.injectManagement( resultModel, request, problems );
@@ -483,10 +517,13 @@ public class DefaultModelBuilder
     @Override
     public Result<? extends Model> buildRawModel( File pomFile, int validationLevel, boolean locationTracking )
     {
-        final ModelBuildingRequest request = new DefaultModelBuildingRequest().setValidationLevel( validationLevel )
-            .setLocationTracking( locationTracking );
+        final ModelBuildingRequest request = new DefaultModelBuildingRequest().
+            setValidationLevel( validationLevel ).
+            setLocationTracking( locationTracking );
+
         final DefaultModelProblemCollector collector =
             new DefaultModelProblemCollector( new DefaultModelBuildingResult() );
+
         try
         {
             return newResult( readModel( null, pomFile, request, collector ), collector.getProblems() );
@@ -551,15 +588,17 @@ public class DefaultModelBuilder
 
                 if ( pomFile != null )
                 {
-                    problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.V20 )
-                        .setMessage( "Malformed POM " + modelSource.getLocation() + ": " + e.getMessage() )
-                        .setException( e ) );
+                    problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.V20 ).
+                        setMessage( "Malformed POM " + modelSource.getLocation() + ": " + e.getMessage() ).
+                        setException( e ) );
+
                 }
                 else
                 {
-                    problems.add( new ModelProblemCollectorRequest( Severity.WARNING, Version.V20 )
-                        .setMessage( "Malformed POM " + modelSource.getLocation() + ": " + e.getMessage() )
-                        .setException( e ) );
+                    problems.add( new ModelProblemCollectorRequest( Severity.WARNING, Version.V20 ).
+                        setMessage( "Malformed POM " + modelSource.getLocation() + ": " + e.getMessage() ).
+                        setException( e ) );
+
                 }
             }
 
@@ -571,14 +610,16 @@ public class DefaultModelBuilder
         }
         catch ( ModelParseException e )
         {
-            problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE )
-                .setMessage( "Non-parseable POM " + modelSource.getLocation() + ": " + e.getMessage() )
-                .setException( e ) );
+            problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE ).
+                setMessage( "Non-parseable POM " + modelSource.getLocation() + ": " + e.getMessage() ).
+                setException( e ) );
+
             throw problems.newModelBuildingException();
         }
         catch ( IOException e )
         {
             String msg = e.getMessage();
+
             if ( msg == null || msg.length() <= 0 )
             {
                 // NOTE: There's java.nio.charset.MalformedInputException and sun.io.MalformedInputException
@@ -591,14 +632,18 @@ public class DefaultModelBuilder
                     msg = e.getClass().getSimpleName();
                 }
             }
-            problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE )
-                .setMessage( "Non-readable POM " + modelSource.getLocation() + ": " + msg ).setException( e ) );
+
+            problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE ).
+                setMessage( "Non-readable POM " + modelSource.getLocation() + ": " + msg ).
+                setException( e ) );
+
             throw problems.newModelBuildingException();
         }
 
         model.setPomFile( pomFile );
 
         problems.setSource( model );
+
         modelValidator.validateRawModel( model, request, problems );
 
         if ( hasFatalErrors( problems ) )
@@ -647,9 +692,11 @@ public class DefaultModelBuilder
             }
             catch ( InvalidRepositoryException e )
             {
-                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
-                    .setMessage( "Invalid repository " + repository.getId() + ": " + e.getMessage() )
-                    .setLocation( repository.getLocation( "" ) ).setException( e ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ).
+                    setMessage( "Invalid repository " + repository.getId() + ": " + e.getMessage() ).
+                    setLocation( repository.getLocation( "" ) ).
+                    setException( e ) );
+
             }
         }
     }
@@ -701,21 +748,150 @@ public class DefaultModelBuilder
             if ( versions.get( key ) == null && managedVersions.get( key ) == null )
             {
                 InputLocation location = plugins.get( key ).getLocation( "" );
-                problems
-                    .add( new ModelProblemCollectorRequest( Severity.WARNING, Version.V20 )
-                        .setMessage( "'build.plugins.plugin.version' for " + key + " is missing." )
-                        .setLocation( location ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.WARNING, Version.V20 ).
+                    setMessage( "'build.plugins.plugin.version' for " + key + " is missing." ).
+                    setLocation( location ) );
+
+            }
+        }
+    }
+
+    private void processImports( final List<Model> lineage, final String scope, final String packaging,
+                                 final ModelBuildingRequest request, final DefaultModelProblemCollector problems )
+    {
+        // [MNG-5971] Imported dependencies should be available to inheritance processing
+        // It's not possible to support all ${project.xyz} properties in dependency management import declarations
+        // because import processing is performed before the final inheritance processing is performed. So the set of
+        // ${project.xyz} properties supported in dependency management import declarations is limited.
+
+        final List<Model> intermediateLineage = new ArrayList<>( lineage.size() );
+
+        for ( int i = 0, s0 = lineage.size(); i < s0; i++ )
+        {
+            intermediateLineage.add( lineage.get( i ).clone() );
+        }
+
+        for ( int i = intermediateLineage.size() - 2; i >= 0; i-- )
+        {
+            final Model parent = intermediateLineage.get( i + 1 );
+            final Model child = intermediateLineage.get( i );
+
+            if ( child.getGroupId() == null )
+            {
+                // Support ${project.groupId} in dependency management import declarations.
+                child.setGroupId( parent.getGroupId() );
+            }
+            if ( child.getVersion() == null )
+            {
+                // Support ${project.version} in dependency management import declarations.
+                child.setVersion( parent.getVersion() );
+            }
+
+            final Properties properties = new Properties();
+            properties.putAll( parent.getProperties() );
+            properties.putAll( child.getProperties() );
+            child.setProperties( properties );
+
+            final List<Repository> repositories = new ArrayList<>();
+            repositories.addAll( child.getRepositories() );
+
+            for ( final Repository parentRepository : parent.getRepositories() )
+            {
+                if ( !repositories.contains( parentRepository ) )
+                {
+                    repositories.add( parentRepository );
+                }
+            }
+
+            child.setRepositories( repositories );
+        }
+
+        final Properties effectiveProperties = intermediateLineage.get( 0 ).getProperties();
+
+        final DefaultModelProblemCollector intermediateProblems =
+            new DefaultModelProblemCollector( new DefaultModelBuildingResult() );
+
+        // Interpolates the intermediate model.
+        // MNG-6079: Uses the effective properties of the result model to support property overriding.
+        for ( int i = 0, s0 = intermediateLineage.size(); i < s0; i++ )
+        {
+            final Model model = intermediateLineage.get( i );
+            model.setProperties( effectiveProperties );
+            intermediateProblems.setSource( model );
+            this.interpolateModel( model, request, intermediateProblems );
+        }
+
+        // Exchanges 'include' scope dependencies in the original lineage with possibly interpolated values.
+        for ( int i = 0, s0 = lineage.size(); i < s0; i++ )
+        {
+            final Model model = lineage.get( i );
+
+            if ( model.getDependencyManagement() != null )
+            {
+                for ( int j = 0, s1 = model.getDependencyManagement().getDependencies().size(); j < s1; j++ )
+                {
+                    final Dependency dependency = model.getDependencyManagement().getDependencies().get( j );
+
+                    if ( scope.equals( dependency.getScope() ) && packaging.equals( dependency.getType() ) )
+                    {
+                        final Dependency interpolated =
+                            intermediateLineage.get( i ).getDependencyManagement().getDependencies().get( j );
+
+                        model.getDependencyManagement().getDependencies().set( j, interpolated );
+                    }
+                }
             }
         }
+
+        // [MNG-4488] [regression] Parent POMs resolved from repository are validated in strict mode
+        ModelBuildingRequest lenientRequest = request;
+        if ( request.getValidationLevel() > ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0 )
+        {
+            lenientRequest = new FilterModelBuildingRequest( request )
+            {
+
+                @Override
+                public int getValidationLevel()
+                {
+                    return ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0;
+                }
+
+            };
+        }
+
+        // Sets up the resolver to use the effective repositories to support repository overriding.
+        if ( lenientRequest.getModelResolver() != null )
+        {
+            for ( Repository repository : intermediateLineage.get( 0 ).getRepositories() )
+            {
+                try
+                {
+                    lenientRequest.getModelResolver().addRepository( repository, true );
+                }
+                catch ( InvalidRepositoryException e )
+                {
+                    problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
+                        .setMessage( "Invalid repository " + repository.getId() + ": " + e.getMessage() )
+                        .setLocation( repository.getLocation( "" ) ).setException( e ) );
+
+                }
+            }
+        }
+
+        // Imports dependencies into the original model using the effective repositories.
+        for ( int i = 0, s0 = lineage.size(); i < s0; i++ )
+        {
+            this.importDependencyManagement( lineage.get( i ), scope, lenientRequest, problems, new HashSet<String>() );
+        }
     }
 
-    private void assembleInheritance( List<ModelData> lineage, ModelBuildingRequest request,
+    private void assembleInheritance( List<Model> lineage, ModelBuildingRequest request,
                                       ModelProblemCollector problems )
     {
         for ( int i = lineage.size() - 2; i >= 0; i-- )
         {
-            Model parent = lineage.get( i + 1 ).getModel();
-            Model child = lineage.get( i ).getModel();
+            Model parent = lineage.get( i + 1 );
+            Model child = lineage.get( i );
             inheritanceAssembler.assembleModelInheritance( child, parent, request, problems );
         }
     }
@@ -815,7 +991,7 @@ public class DefaultModelBuilder
                     ModelSource expectedParentSource = getParentPomFile( childModel, childSource );
 
                     if ( expectedParentSource instanceof ModelSource2
-                        && !pomFile.toURI().equals( ( (ModelSource2) expectedParentSource ).getLocationURI() ) )
+                             && !pomFile.toURI().equals( ( (ModelSource2) expectedParentSource ).getLocationURI() ) )
                     {
                         parentData = readParentExternally( childModel, request, problems );
                     }
@@ -826,10 +1002,11 @@ public class DefaultModelBuilder
 
             if ( !"pom".equals( parentModel.getPackaging() ) )
             {
-                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
-                    .setMessage( "Invalid packaging for parent POM " + ModelProblemUtils.toSourceHint( parentModel )
-                                     + ", must be \"pom\" but is \"" + parentModel.getPackaging() + "\"" )
-                    .setLocation( parentModel.getLocation( "packaging" ) ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ).
+                    setMessage( "Invalid packaging for parent POM " + ModelProblemUtils.toSourceHint( parentModel )
+                                    + ", must be \"pom\" but is \"" + parentModel.getPackaging() + "\"" ).
+                    setLocation( parentModel.getLocation( "packaging" ) ) );
+
             }
         }
         else
@@ -871,11 +1048,15 @@ public class DefaultModelBuilder
             {
                 candidateModel =
                     resolver.resolveRawModel( parent.getGroupId(), parent.getArtifactId(), parent.getVersion() );
+
             }
             catch ( UnresolvableModelException e )
             {
-                problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE ) //
-                .setMessage( e.getMessage().toString() ).setLocation( parent.getLocation( "" ) ).setException( e ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE ).
+                    setMessage( e.getMessage().toString() ).
+                    setLocation( parent.getLocation( "" ) ).
+                    setException( e ) );
+
                 throw problems.newModelBuildingException();
             }
             if ( candidateModel == null )
@@ -890,7 +1071,6 @@ public class DefaultModelBuilder
         // have a model that is suitable, yet more checks are done here and the one for the version is problematic
         // before because with parents as ranges it will never work in this scenario.
         //
-
         String groupId = candidateModel.getGroupId();
         if ( groupId == null && candidateModel.getParent() != null )
         {
@@ -904,7 +1084,7 @@ public class DefaultModelBuilder
         }
 
         if ( groupId == null || !groupId.equals( parent.getGroupId() ) || artifactId == null
-            || !artifactId.equals( parent.getArtifactId() ) )
+                 || !artifactId.equals( parent.getArtifactId() ) )
         {
             StringBuilder buffer = new StringBuilder( 256 );
             buffer.append( "'parent.relativePath'" );
@@ -917,8 +1097,10 @@ public class DefaultModelBuilder
             buffer.append( parent.getArtifactId() ).append( ", please verify your project structure" );
 
             problems.setSource( childModel );
-            problems.add( new ModelProblemCollectorRequest( Severity.WARNING, Version.BASE )
-                .setMessage( buffer.toString() ).setLocation( parent.getLocation( "" ) ) );
+            problems.add( new ModelProblemCollectorRequest( Severity.WARNING, Version.BASE ).
+                setMessage( buffer.toString() ).
+                setLocation( parent.getLocation( "" ) ) );
+
             return null;
         }
         if ( version != null && parent.getVersion() != null && !version.equals( parent.getVersion() ) )
@@ -952,7 +1134,6 @@ public class DefaultModelBuilder
         /*
          * if ( version == null || !version.equals( parent.getVersion() ) ) { return null; }
          */
-
         ModelData parentData = new ModelData( candidateSource, candidateModel, groupId, artifactId, version );
 
         return parentData;
@@ -990,7 +1171,8 @@ public class DefaultModelBuilder
         ModelResolver modelResolver = request.getModelResolver();
 
         Validate.notNull( modelResolver, "request.modelResolver cannot be null (parent POM %s and POM %s)",
-            ModelProblemUtils.toId( groupId, artifactId, version ), ModelProblemUtils.toSourceHint( childModel ) );
+                          ModelProblemUtils.toId( groupId, artifactId, version ),
+                          ModelProblemUtils.toSourceHint( childModel ) );
 
         ModelSource modelSource;
         try
@@ -1022,8 +1204,11 @@ public class DefaultModelBuilder
                 }
             }
 
-            problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE )
-                .setMessage( buffer.toString() ).setLocation( parent.getLocation( "" ) ).setException( e ) );
+            problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE ).
+                setMessage( buffer.toString() ).
+                setLocation( parent.getLocation( "" ) ).
+                setException( e ) );
+
             throw problems.newModelBuildingException();
         }
 
@@ -1032,11 +1217,13 @@ public class DefaultModelBuilder
         {
             lenientRequest = new FilterModelBuildingRequest( request )
             {
+
                 @Override
                 public int getValidationLevel()
                 {
                     return ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0;
                 }
+
             };
         }
 
@@ -1046,8 +1233,9 @@ public class DefaultModelBuilder
         {
             if ( childModel.getVersion() == null )
             {
-                problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.V31 )
-                    .setMessage( "Version must be a constant" ).setLocation( childModel.getLocation( "" ) ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.V31 ).
+                    setMessage( "Version must be a constant" ).
+                    setLocation( childModel.getLocation( "" ) ) );
 
             }
             else
@@ -1055,9 +1243,9 @@ public class DefaultModelBuilder
                 if ( childModel.getVersion()
                                .contains( "${" ) )
                 {
-                    problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.V31 )
-                        .setMessage( "Version must be a constant" )
-                        .setLocation( childModel.getLocation( "version" ) ) );
+                    problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.V31 ).
+                        setMessage( "Version must be a constant" ).
+                        setLocation( childModel.getLocation( "version" ) ) );
 
                 }
             }
@@ -1076,7 +1264,7 @@ public class DefaultModelBuilder
         return superPomProvider.getSuperModel( "4.0.0" ).clone();
     }
 
-    private void importDependencyManagement( Model model, ModelBuildingRequest request,
+    private void importDependencyManagement( Model model, String scope, ModelBuildingRequest request,
                                              DefaultModelProblemCollector problems, Collection<String> importIds )
     {
         DependencyManagement depMngt = model.getDependencyManagement();
@@ -1086,6 +1274,8 @@ public class DefaultModelBuilder
             return;
         }
 
+        problems.setSource( model );
+
         String importing = model.getGroupId() + ':' + model.getArtifactId() + ':' + model.getVersion();
 
         importIds.add( importing );
@@ -1099,7 +1289,7 @@ public class DefaultModelBuilder
         {
             Dependency dependency = it.next();
 
-            if ( !"pom".equals( dependency.getType() ) || !"import".equals( dependency.getScope() ) )
+            if ( !"pom".equals( dependency.getType() ) || !scope.equals( dependency.getScope() ) )
             {
                 continue;
             }
@@ -1120,18 +1310,20 @@ public class DefaultModelBuilder
             }
             if ( artifactId == null || artifactId.length() <= 0 )
             {
-                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
-                    .setMessage( "'dependencyManagement.dependencies.dependency.artifactId' for "
-                                     + dependency.getManagementKey() + " is missing." )
-                    .setLocation( dependency.getLocation( "" ) ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ).
+                    setMessage( "'dependencyManagement.dependencies.dependency.artifactId' for "
+                                    + dependency.getManagementKey() + " is missing." ).
+                    setLocation( dependency.getLocation( "" ) ) );
+
                 continue;
             }
             if ( version == null || version.length() <= 0 )
             {
-                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
-                    .setMessage( "'dependencyManagement.dependencies.dependency.version' for "
-                                     + dependency.getManagementKey() + " is missing." )
-                    .setLocation( dependency.getLocation( "" ) ) );
+                problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ).
+                    setMessage( "'dependencyManagement.dependencies.dependency.version' for "
+                                    + dependency.getManagementKey() + " is missing." ).
+                    setLocation( dependency.getLocation( "" ) ) );
+
                 continue;
             }
 
@@ -1139,14 +1331,13 @@ public class DefaultModelBuilder
 
             if ( importIds.contains( imported ) )
             {
-                String message = "The dependencies of type=pom and with scope=import form a cycle: ";
+                String message = "The dependencies of type=pom and scope=" + scope + " form a cycle: ";
                 for ( String modelId : importIds )
                 {
                     message += modelId + " -> ";
                 }
                 message += imported;
                 problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE ).setMessage( message ) );
-
                 continue;
             }
 
@@ -1159,9 +1350,10 @@ public class DefaultModelBuilder
                 {
                     throw new NullPointerException( String.format(
                         "request.workspaceModelResolver and request.modelResolver cannot be null"
-                        + " (parent POM %s and POM %s)",
+                            + " (parent POM %s and POM %s)",
                         ModelProblemUtils.toId( groupId, artifactId, version ),
                         ModelProblemUtils.toSourceHint( model ) ) );
+
                 }
 
                 Model importModel = null;
@@ -1173,8 +1365,10 @@ public class DefaultModelBuilder
                     }
                     catch ( UnresolvableModelException e )
                     {
-                        problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE )
-                            .setMessage( e.getMessage().toString() ).setException( e ) );
+                        problems.add( new ModelProblemCollectorRequest( Severity.FATAL, Version.BASE ).
+                            setMessage( e.getMessage().toString() ).
+                            setException( e ) );
+
                         continue;
                     }
                 }
@@ -1407,9 +1601,11 @@ public class DefaultModelBuilder
 
     private boolean containsCoordinates( String message, String groupId, String artifactId, String version )
     {
-        return message != null && ( groupId == null || message.contains( groupId ) )
-            && ( artifactId == null || message.contains( artifactId ) )
-            && ( version == null || message.contains( version ) );
+        return message != null
+                   && ( groupId == null || message.contains( groupId ) )
+                   && ( artifactId == null || message.contains( artifactId ) )
+                   && ( version == null || message.contains( version ) );
+
     }
 
     protected boolean hasModelErrors( ModelProblemCollectorExt problems )

http://git-wip-us.apache.org/repos/asf/maven/blob/479e0ddd/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuildingResult.java
----------------------------------------------------------------------
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuildingResult.java b/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuildingResult.java
index 7bf45b5..fe1c7ae 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuildingResult.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuildingResult.java
@@ -39,11 +39,13 @@ class DefaultModelBuildingResult
 
     private Model effectiveModel;
 
-    private List<String> modelIds;
+    private final List<String> modelIds;
 
-    private Map<String, Model> rawModels;
+    private final Map<String, Model> rawModels;
 
-    private Map<String, List<Profile>> activePomProfiles;
+    private final Map<String, Model> effectiveModels;
+
+    private final Map<String, List<Profile>> activePomProfiles;
 
     private List<Profile> activeExternalProfiles;
 
@@ -56,6 +58,7 @@ class DefaultModelBuildingResult
         activePomProfiles = new HashMap<>();
         activeExternalProfiles = new ArrayList<>();
         problems = new ArrayList<>();
+        effectiveModels = new HashMap<>();
     }
 
     @Override
@@ -110,6 +113,23 @@ class DefaultModelBuildingResult
     }
 
     @Override
+    public Model getEffectiveModel( final String modelId )
+    {
+        return this.effectiveModels.get( modelId );
+    }
+
+    public DefaultModelBuildingResult setEffectiveModel( final String modelId, final Model model )
+    {
+        // Intentionally notNull because Super POM may not contain a modelId
+        Validate.notNull( modelId, "modelId must not be null" );
+        Validate.notNull( model, "model must not be null" );
+
+        this.effectiveModels.put( modelId, model );
+
+        return this;
+    }
+
+    @Override
     public List<Profile> getActivePomProfiles( String modelId )
     {
         return activePomProfiles.get( modelId );

http://git-wip-us.apache.org/repos/asf/maven/blob/479e0ddd/maven-model-builder/src/main/java/org/apache/maven/model/building/ModelBuildingResult.java
----------------------------------------------------------------------
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/building/ModelBuildingResult.java b/maven-model-builder/src/main/java/org/apache/maven/model/building/ModelBuildingResult.java
index 44b1295..b21a670 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/building/ModelBuildingResult.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/building/ModelBuildingResult.java
@@ -69,6 +69,18 @@ public interface ModelBuildingResult
     Model getRawModel( String modelId );
 
     /**
+     * Gets the effective model for a given identifier. The model identifier should be from the collection obtained by
+     * {@link #getModelIds()}. As a special case, an empty string can be used as the identifier for the super POM.
+     *
+     * @param modelId The identifier of the desired effective model, must not be {@code null}.
+     *
+     * @return The effective model or {@code null} if the specified model id does not refer to a known model.
+     *
+     * @since 3.6
+     */
+    Model getEffectiveModel( String modelId );
+
+    /**
      * Gets the profiles from the specified model that were active during model building. The model identifier should be
      * from the collection obtained by {@link #getModelIds()}. As a special case, an empty string can be used as the
      * identifier for the super POM.

http://git-wip-us.apache.org/repos/asf/maven/blob/479e0ddd/maven-model-builder/src/main/java/org/apache/maven/model/composition/DefaultDependencyManagementImporter.java
----------------------------------------------------------------------
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/composition/DefaultDependencyManagementImporter.java b/maven-model-builder/src/main/java/org/apache/maven/model/composition/DefaultDependencyManagementImporter.java
index d895913..b8caaa7 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/composition/DefaultDependencyManagementImporter.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/composition/DefaultDependencyManagementImporter.java
@@ -20,15 +20,20 @@ package org.apache.maven.model.composition;
  */
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-
 import org.apache.maven.model.Dependency;
 import org.apache.maven.model.DependencyManagement;
+import org.apache.maven.model.Exclusion;
+import org.apache.maven.model.InputLocation;
+import org.apache.maven.model.InputSource;
 import org.apache.maven.model.Model;
 import org.apache.maven.model.building.ModelBuildingRequest;
+import org.apache.maven.model.building.ModelProblem;
 import org.apache.maven.model.building.ModelProblemCollector;
+import org.apache.maven.model.building.ModelProblemCollectorRequest;
 import org.codehaus.plexus.component.annotations.Component;
 
 /**
@@ -42,41 +47,215 @@ public class DefaultDependencyManagementImporter
 {
 
     @Override
-    public void importManagement( Model target, List<? extends DependencyManagement> sources,
-                                  ModelBuildingRequest request, ModelProblemCollector problems )
+    public void importManagement( final Model target, final List<? extends DependencyManagement> sources,
+                                  final ModelBuildingRequest request, final ModelProblemCollector problems )
     {
         if ( sources != null && !sources.isEmpty() )
         {
-            Map<String, Dependency> dependencies = new LinkedHashMap<>();
+            final Map<String, Dependency> targetDependencies = new LinkedHashMap<>();
+            final DependencyManagement targetDependencyManagement = target.getDependencyManagement() != null
+                                                                        ? target.getDependencyManagement()
+                                                                        : new DependencyManagement();
+
+            target.setDependencyManagement( targetDependencyManagement );
+
+            for ( final Dependency targetDependency : targetDependencyManagement.getDependencies() )
+            {
+                targetDependencies.put( targetDependency.getManagementKey(), targetDependency );
+            }
 
-            DependencyManagement depMngt = target.getDependencyManagement();
+            final Map<String, List<Dependency>> sourceDependencies = new LinkedHashMap<>();
 
-            if ( depMngt != null )
+            for ( final DependencyManagement source : sources )
             {
-                for ( Dependency dependency : depMngt.getDependencies() )
+                for ( final Dependency sourceDependency : source.getDependencies() )
                 {
-                    dependencies.put( dependency.getManagementKey(), dependency );
+                    if ( !targetDependencies.containsKey( sourceDependency.getManagementKey() ) )
+                    {
+                        List<Dependency> conflictCanditates =
+                            sourceDependencies.get( sourceDependency.getManagementKey() );
+
+                        if ( conflictCanditates == null )
+                        {
+                            conflictCanditates = new ArrayList<>( source.getDependencies().size() );
+                            sourceDependencies.put( sourceDependency.getManagementKey(), conflictCanditates );
+                        }
+
+                        conflictCanditates.add( sourceDependency );
+                    }
                 }
             }
-            else
+
+            for ( final List<Dependency> conflictCanditates : sourceDependencies.values() )
             {
-                depMngt = new DependencyManagement();
-                target.setDependencyManagement( depMngt );
+                final List<Dependency> conflictingDependencies = removeRedundantDependencies( conflictCanditates );
+
+                // First declaration wins. This is what makes the conflict resolution indeterministic because this
+                // solely relies on the order of declaration. There is no such thing as the "first" declaration.
+                targetDependencyManagement.getDependencies().add( conflictingDependencies.get( 0 ) );
+
+                // As of Maven 3.6, we print a warning about such conflicting imports using validation level Maven 3.1.
+                if ( conflictingDependencies.size() > 1 )
+                {
+                    final StringBuilder conflictsBuilder = new StringBuilder( conflictingDependencies.size() * 128 );
+
+                    for ( final Dependency dependency : conflictingDependencies )
+                    {
+                        final InputLocation location = dependency.getLocation( "" );
+
+                        if ( location != null )
+                        {
+                            final InputSource inputSource = location.getSource();
+
+                            if ( inputSource != null )
+                            {
+                                conflictsBuilder.append( ", '" ).append( inputSource.getModelId() ).append( '\'' );
+                            }
+                        }
+                    }
+
+                    problems.add( new ModelProblemCollectorRequest(
+                        effectiveSeverity( request.getValidationLevel(),
+                                           ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_3_1 ),
+                        ModelProblem.Version.V20 ).
+                        setMessage( String.format(
+                            "Dependency '%1$s' has conflicting dependency management in model '%2$s'%3$s%4$s. "
+                                + "To resolve the conflicts, declare the dependency management for dependency '%1$s' "
+                                + "directly in the dependency management of model '%2$s' to override what gets "
+                                + "imported. If the Maven version in use supports it, add exclusions for the "
+                                + "conflicting dependencies or use the include scope feature to rearrange the "
+                                + "causing dependencies in the inheritance hierarchy applying standard override logic "
+                                + "based on artifact coordinates. Without resolving the conflicts, your build relies "
+                                + "on indeterministic behaviour.",
+                            conflictingDependencies.get( 0 ).getManagementKey(), target.getId(),
+                            target.getPomFile() != null
+                                ? " @ '" + target.getPomFile().getAbsolutePath() + "' "
+                                : " ", conflictsBuilder.length() > 0
+                                           ? "(" + conflictsBuilder.substring( 2 ) + ")"
+                                           : "" ) ) );
+
+                }
             }
+        }
+    }
+
+    private static List<Dependency> removeRedundantDependencies( final List<Dependency> candidateDependencies )
+    {
+        final List<Dependency> resultDependencies = new ArrayList<>( candidateDependencies.size() );
 
-            for ( DependencyManagement source : sources )
+        while ( !candidateDependencies.isEmpty() )
+        {
+            final Dependency resultDependency = candidateDependencies.remove( 0 );
+            resultDependencies.add( resultDependency );
+
+            // Removes redundant dependencies.
+            for ( final Iterator<Dependency> it = candidateDependencies.iterator(); it.hasNext(); )
             {
-                for ( Dependency dependency : source.getDependencies() )
+                final Dependency candidateDependency = it.next();
+                boolean redundant = true;
+
+                redundancy_check:
                 {
-                    String key = dependency.getManagementKey();
-                    if ( !dependencies.containsKey( key ) )
+                    if ( !( resultDependency.getOptional() != null
+                            ? resultDependency.getOptional().equals( candidateDependency.getOptional() )
+                            : candidateDependency.getOptional() == null ) )
+                    {
+                        redundant = false;
+                        break redundancy_check;
+                    }
+
+                    if ( !( effectiveScope( resultDependency ).equals( effectiveScope( candidateDependency ) ) ) )
+                    {
+                        redundant = false;
+                        break redundancy_check;
+                    }
+
+                    if ( !( resultDependency.getSystemPath() != null
+                            ? resultDependency.getSystemPath().equals( candidateDependency.getSystemPath() )
+                            : candidateDependency.getSystemPath() == null ) )
                     {
-                        dependencies.put( key, dependency );
+                        redundant = false;
+                        break redundancy_check;
                     }
+
+                    if ( !( resultDependency.getVersion() != null
+                            ? resultDependency.getVersion().equals( candidateDependency.getVersion() )
+                            : candidateDependency.getVersion() == null ) )
+                    {
+                        redundant = false;
+                        break redundancy_check;
+                    }
+
+                    for ( int i = 0, s0 = resultDependency.getExclusions().size(); i < s0; i++ )
+                    {
+                        final Exclusion resultExclusion = resultDependency.getExclusions().get( i );
+
+                        if ( !containsExclusion( candidateDependency.getExclusions(), resultExclusion ) )
+                        {
+                            redundant = false;
+                            break redundancy_check;
+                        }
+                    }
+
+                    for ( int i = 0, s0 = candidateDependency.getExclusions().size(); i < s0; i++ )
+                    {
+                        final Exclusion candidateExclusion = candidateDependency.getExclusions().get( i );
+
+                        if ( !containsExclusion( resultDependency.getExclusions(), candidateExclusion ) )
+                        {
+                            redundant = false;
+                            break redundancy_check;
+                        }
+                    }
+                }
+
+                if ( redundant )
+                {
+                    it.remove();
                 }
             }
+        }
+
+        return resultDependencies;
+    }
+
+    private static boolean containsExclusion( final List<Exclusion> exclusions, final Exclusion exclusion )
+    {
+        for ( int i = 0, s0 = exclusions.size(); i < s0; i++ )
+        {
+            final Exclusion current = exclusions.get( i );
+
+            if ( ( exclusion.getArtifactId() != null
+                   ? exclusion.getArtifactId().equals( current.getArtifactId() )
+                   : current.getArtifactId() == null )
+                     && ( exclusion.getGroupId() != null
+                          ? exclusion.getGroupId().equals( current.getGroupId() )
+                          : current.getGroupId() == null ) )
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
 
-            depMngt.setDependencies( new ArrayList<>( dependencies.values() ) );
+    private static String effectiveScope( final Dependency dependency )
+    {
+        return dependency.getScope() == null
+                   ? "compile"
+                   : dependency.getScope();
+
+    }
+
+    private static ModelProblem.Severity effectiveSeverity( final int validationLevel, final int errorThreshold )
+    {
+        if ( validationLevel < errorThreshold )
+        {
+            return ModelProblem.Severity.WARNING;
+        }
+        else
+        {
+            return ModelProblem.Severity.ERROR;
         }
     }
 

http://git-wip-us.apache.org/repos/asf/maven/blob/479e0ddd/maven-model-builder/src/site/apt/index.apt
----------------------------------------------------------------------
diff --git a/maven-model-builder/src/site/apt/index.apt b/maven-model-builder/src/site/apt/index.apt
index 9a645f4..73690d5 100644
--- a/maven-model-builder/src/site/apt/index.apt
+++ b/maven-model-builder/src/site/apt/index.apt
@@ -57,6 +57,12 @@ Maven Model Builder
 
    ** parent resolution until {{{./super-pom.html}super-pom}}
 
+   []
+
+ * phase 2, with optional plugin processing
+
+   ** dependency management import (for dependencies of type <<<pom>>> in the <<<\<dependencyManagement\>>>> section)
+
    ** inheritance assembly: <<<InheritanceAssembler>>> ({{{./apidocs/org/apache/maven/model/inheritance/InheritanceAssembler.html}javadoc}}),
    with its <<<DefaultInheritanceAssembler>>> implementation
    ({{{./xref/org/apache/maven/model/inheritance/DefaultInheritanceAssembler.html}source}}). Notice that
@@ -70,10 +76,6 @@ Maven Model Builder
    with its <<<DefaultUrlNormalizer>>> implementation
    ({{{./xref/org/apache/maven/model/path/DefaultUrlNormalizer.html}source}})
 
-   []
-
- * phase 2, with optional plugin processing
-
    ** model path translation: <<<ModelPathTranslator>>> ({{{./apidocs/org/apache/maven/model/path/ModelPathTranslator.html}javadoc}}),
    with its <<<DefaultModelPathTranslator>>> implementation
    ({{{./xref/org/apache/maven/model/path/DefaultModelPathTranslator.html}source}})
@@ -86,8 +88,6 @@ Maven Model Builder
    with its <<<DefaultLifecycleBindingsInjector>>> implementation
    ({{{./xref/org/apache/maven/model/plugin/DefaultLifecycleBindingsInjector.html}source}})
 
-   ** dependency management import (for dependencies of type <<<pom>>> in the <<<\<dependencyManagement\>>>> section)
-
    ** dependency management injection: <<<DependencyManagementInjector>>> ({{{./apidocs/org/apache/maven/model/management/DependencyManagementInjector.html}javadoc}}),
    with its <<<DefaultDependencyManagementInjector>>> implementation
    ({{{./xref/org/apache/maven/model/management/DefaultDependencyManagementInjector.html}source}})


[4/4] maven git commit: o Updated version to 3.6.0-SNAPSHOT to make the ITs run.

Posted by sc...@apache.org.
o Updated version to 3.6.0-SNAPSHOT to make the ITs run.


Project: http://git-wip-us.apache.org/repos/asf/maven/repo
Commit: http://git-wip-us.apache.org/repos/asf/maven/commit/53b92d48
Tree: http://git-wip-us.apache.org/repos/asf/maven/tree/53b92d48
Diff: http://git-wip-us.apache.org/repos/asf/maven/diff/53b92d48

Branch: refs/heads/DEPMGMT-INCLUDE
Commit: 53b92d484fb6c5c5d5f43938c4f54c9b6422850d
Parents: 479e0ddd
Author: Christian Schulte <sc...@apache.org>
Authored: Tue Jan 31 03:15:47 2017 +0100
Committer: Christian Schulte <sc...@apache.org>
Committed: Tue Jan 31 03:39:16 2017 +0100

----------------------------------------------------------------------
 apache-maven/pom.xml              | 2 +-
 maven-aether-provider/pom.xml     | 2 +-
 maven-artifact/pom.xml            | 2 +-
 maven-builder-support/pom.xml     | 2 +-
 maven-compat/pom.xml              | 2 +-
 maven-core/pom.xml                | 2 +-
 maven-embedder/pom.xml            | 2 +-
 maven-model-builder/pom.xml       | 2 +-
 maven-model/pom.xml               | 2 +-
 maven-plugin-api/pom.xml          | 2 +-
 maven-repository-metadata/pom.xml | 2 +-
 maven-settings-builder/pom.xml    | 2 +-
 maven-settings/pom.xml            | 2 +-
 maven-slf4j-provider/pom.xml      | 2 +-
 pom.xml                           | 2 +-
 15 files changed, 15 insertions(+), 15 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/apache-maven/pom.xml
----------------------------------------------------------------------
diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index cd55f4b..f660ac4 100644
--- a/apache-maven/pom.xml
+++ b/apache-maven/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-aether-provider/pom.xml
----------------------------------------------------------------------
diff --git a/maven-aether-provider/pom.xml b/maven-aether-provider/pom.xml
index 9f8206f..8c293b8 100644
--- a/maven-aether-provider/pom.xml
+++ b/maven-aether-provider/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-aether-provider</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-artifact/pom.xml
----------------------------------------------------------------------
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index b13482b..089f4ac 100644
--- a/maven-artifact/pom.xml
+++ b/maven-artifact/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-builder-support/pom.xml
----------------------------------------------------------------------
diff --git a/maven-builder-support/pom.xml b/maven-builder-support/pom.xml
index 5eb7903..6ca5ca2 100644
--- a/maven-builder-support/pom.xml
+++ b/maven-builder-support/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-builder-support</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-compat/pom.xml
----------------------------------------------------------------------
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index 626628d..8ba061c 100644
--- a/maven-compat/pom.xml
+++ b/maven-compat/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-core/pom.xml
----------------------------------------------------------------------
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index e8274d0..9bd712e 100644
--- a/maven-core/pom.xml
+++ b/maven-core/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-core</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-embedder/pom.xml
----------------------------------------------------------------------
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index f9d7d1a..53d91c0 100644
--- a/maven-embedder/pom.xml
+++ b/maven-embedder/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-model-builder/pom.xml
----------------------------------------------------------------------
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index 7cef99b..b645576 100644
--- a/maven-model-builder/pom.xml
+++ b/maven-model-builder/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-model/pom.xml
----------------------------------------------------------------------
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index aabb25d..0ed9879 100644
--- a/maven-model/pom.xml
+++ b/maven-model/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-model</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-plugin-api/pom.xml
----------------------------------------------------------------------
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index 1596a41..0d87ce8 100644
--- a/maven-plugin-api/pom.xml
+++ b/maven-plugin-api/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-repository-metadata/pom.xml
----------------------------------------------------------------------
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index dcc6a22..fbb3dbb 100644
--- a/maven-repository-metadata/pom.xml
+++ b/maven-repository-metadata/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-settings-builder/pom.xml
----------------------------------------------------------------------
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index 904b085..3d8bdca 100644
--- a/maven-settings-builder/pom.xml
+++ b/maven-settings-builder/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-settings/pom.xml
----------------------------------------------------------------------
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index eb4ad22..0eccc1a 100644
--- a/maven-settings/pom.xml
+++ b/maven-settings/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/maven-slf4j-provider/pom.xml
----------------------------------------------------------------------
diff --git a/maven-slf4j-provider/pom.xml b/maven-slf4j-provider/pom.xml
index 315b9a7..958f08f 100644
--- a/maven-slf4j-provider/pom.xml
+++ b/maven-slf4j-provider/pom.xml
@@ -25,7 +25,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>maven-slf4j-provider</artifactId>

http://git-wip-us.apache.org/repos/asf/maven/blob/53b92d48/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 7eae84c..ab6c9ed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@ under the License.
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.5.1-SNAPSHOT</version>
+  <version>3.6.0-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>