diff --git a/maven-model-builder/src/test/resources/poms/inheritance/no-append-urls-expected.xml b/maven-model-builder/src/test/resources/poms/inheritance/no-append-urls-expected.xml
index cde7dfe48c..e6f5ac4c5b 100644
--- a/maven-model-builder/src/test/resources/poms/inheritance/no-append-urls-expected.xml
+++ b/maven-model-builder/src/test/resources/poms/inheritance/no-append-urls-expected.xml
@@ -20,7 +20,8 @@ under the License.
 -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+  child.project.url.inherit.append.path="false">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -37,13 +38,15 @@ under the License.
 
   <!-- 5 inherited urls without anything added to parent -->
   <url>http://www.apache.org/path/to/parent/</url>
-  <scm>
+  <scm child.scm.connection.inherit.append.path="false"
+       child.scm.developerConnection.inherit.append.path="false"
+       child.scm.url.inherit.append.path="false">
     <connection>scm:my-scm:http://domain.org/base</connection>
     <developerConnection>scm:my-scm:https://domain.org/base/</developerConnection>
     <url>https://domain.org/base</url>
   </scm>
   <distributionManagement>
-    <site>
+    <site child.site.url.inherit.append.path="false">
       <url>scp://scp.domain.org/base/</url>
     </site>
   </distributionManagement>
diff --git a/maven-model/src/main/java/org/apache/maven/model/merge/ModelMerger.java b/maven-model/src/main/java/org/apache/maven/model/merge/ModelMerger.java
index e10ce0f2dd..5848f59e51 100644
--- a/maven-model/src/main/java/org/apache/maven/model/merge/ModelMerger.java
+++ b/maven-model/src/main/java/org/apache/maven/model/merge/ModelMerger.java
@@ -125,6 +125,7 @@ public class ModelMerger
     {
         mergeModelBase( target, source, sourceDominant, context );
 
+        mergeModel_ChildProjectUrlInheritAppendPath( target, source, sourceDominant, context );
         mergeModel_ModelVersion( target, source, sourceDominant, context );
         mergeModel_Parent( target, source, sourceDominant, context );
         mergeModel_GroupId( target, source, sourceDominant, context );
@@ -206,6 +207,21 @@ public class ModelMerger
         }
     }
 
+    protected void mergeModel_ChildProjectUrlInheritAppendPath( Model target, Model source, boolean sourceDominant,
+                                                                Map<Object, Object> context )
+    {
+        String src = source.getChildProjectUrlInheritAppendPath();
+        if ( src != null )
+        {
+            if ( sourceDominant || target.getChildProjectUrlInheritAppendPath() == null )
+            {
+                target.setChildProjectUrlInheritAppendPath( src );
+                target.setLocation( "child.project.url.inherit.append.path",
+                                    source.getLocation( "child.project.url.inherit.append.path" ) );
+            }
+        }
+    }
+
     protected void mergeModel_Version( Model target, Model source, boolean sourceDominant,
                                        Map<Object, Object> context )
     {
@@ -876,11 +892,27 @@ public class ModelMerger
 
     protected void mergeSite( Site target, Site source, boolean sourceDominant, Map<Object, Object> context )
     {
+        mergeSite_ChildSiteUrlInheritAppendPath( target, source, sourceDominant, context );
         mergeSite_Id( target, source, sourceDominant, context );
         mergeSite_Name( target, source, sourceDominant, context );
         mergeSite_Url( target, source, sourceDominant, context );
     }
 
+    protected void mergeSite_ChildSiteUrlInheritAppendPath( Site target, Site source, boolean sourceDominant,
+                                                            Map<Object, Object> context )
+    {
+        String src = source.getChildSiteUrlInheritAppendPath();
+        if ( src != null )
+        {
+            if ( sourceDominant || target.getChildSiteUrlInheritAppendPath() == null )
+            {
+                target.setChildSiteUrlInheritAppendPath( src );
+                target.setLocation( "child.site.url.inherit.append.path",
+                                    source.getLocation( "child.site.url.inherit.append.path" ) );
+            }
+        }
+    }
+
     protected void mergeSite_Id( Site target, Site source, boolean sourceDominant, Map<Object, Object> context )
     {
         String src = source.getId();
@@ -1925,12 +1957,61 @@ public class ModelMerger
 
     protected void mergeScm( Scm target, Scm source, boolean sourceDominant, Map<Object, Object> context )
     {
+        mergeScm_ChildScmConnectionInheritAppendPath( target, source, sourceDominant, context );
+        mergeScm_ChildScmDeveloperConnectionInheritAppendPath( target, source, sourceDominant, context );
+        mergeScm_ChildScmUrlInheritAppendPath( target, source, sourceDominant, context );
         mergeScm_Url( target, source, sourceDominant, context );
         mergeScm_Connection( target, source, sourceDominant, context );
         mergeScm_DeveloperConnection( target, source, sourceDominant, context );
         mergeScm_Tag( target, source, sourceDominant, context );
     }
 
+    protected void mergeScm_ChildScmConnectionInheritAppendPath( Scm target, Scm source, boolean sourceDominant,
+                                                                 Map<Object, Object> context )
+    {
+        String src = source.getChildScmConnectionInheritAppendPath();
+        if ( src != null )
+        {
+            if ( sourceDominant || target.getChildScmConnectionInheritAppendPath() == null )
+            {
+                target.setChildScmConnectionInheritAppendPath( src );
+                target.setLocation( "child.scm.connection.inherit.append.path",
+                                    source.getLocation( "child.scm.connection.inherit.append.path" ) );
+            }
+        }
+    }
+
+    protected void mergeScm_ChildScmDeveloperConnectionInheritAppendPath( Scm target, Scm source,
+                                                                          boolean sourceDominant,
+                                                                          Map<Object, Object> context )
+    {
+        String src = source.getChildScmDeveloperConnectionInheritAppendPath();
+        if ( src != null )
+        {
+            if ( sourceDominant || target.getChildScmDeveloperConnectionInheritAppendPath() == null )
+            {
+                target.setChildScmDeveloperConnectionInheritAppendPath( src );
+                target.setLocation( "child.scm.developerConnection.inherit.append.path",
+                                    source.getLocation( "child.scm.developerConnection.inherit.append.path" ) );
+            }
+        }
+    }
+
+    protected void mergeScm_ChildScmUrlInheritAppendPath( Scm target, Scm source, boolean sourceDominant,
+                                                          Map<Object, Object> context )
+    {
+        String src = source.getChildScmUrlInheritAppendPath();
+        if ( src != null )
+        {
+            if ( sourceDominant || target.getChildScmUrlInheritAppendPath() == null )
+            {
+                target.setChildScmUrlInheritAppendPath( src );
+                target.setLocation( "child.scm.url.inherit.append.path",
+                                    source.getLocation( "child.scm.url.inherit.append.path" ) );
+            }
+        }
+    }
+
     protected void mergeScm_Url( Scm target, Scm source, boolean sourceDominant, Map<Object, Object> context )
     {
         String src = source.getUrl();