MRELEASE-1072 reuse original tag for next development version in case

maven-release-manager/src/main/java/org/apache/maven/shared/release/phase/RewritePomsForDevelopmentPhase.java

@@ -80,7 +80,19 @@ protected void transformScm( MavenProject project, Model modelTarget, ReleaseDes
                         scmRoot.setConnection( scm.getConnection() );
                         scmRoot.setDeveloperConnection( scm.getDeveloperConnection() );
                         scmRoot.setUrl( scm.getUrl() );
-                        scmRoot.setTag( translator.resolveTag( scm.getTag() ) );
+                        String tag = translator.resolveTag( scm.getTag() );
+                        // reuse unresolved tag from original in case ScmTranslator does not support tags
+                        if ( tag == null )
+                        {
+                            tag = scm.getTag();
+                            // never give out default value as there is no way to distinguish it from an the
+                            // explicitly set tag with the same value
+                            if ( "HEAD".equals( tag ) )
+                            {
+                                tag = null;
+                            }
+                        }
+                        scmRoot.setTag( tag );
                     }
                     else
                     {

maven-release-manager/src/test/java/org/apache/maven/shared/release/phase/RewritePomsForDevelopmentPhaseTest.java

@@ -292,6 +292,26 @@ public void testRewriteBasicPomWithGitFromTag()
         assertTrue( comparePomFiles( reactorProjects ) );
     }
 
+    @Test
+    public void testRewriteBasicPomWithSvnFromTag()
+        throws Exception
+    {
+        List<MavenProject> reactorProjects = createReactorProjects( "basic-pom-with-svn-from-tag" );
+        ReleaseDescriptorBuilder builder = createDescriptorFromProjects( reactorProjects, "basic-pom-with-svn-from-tag" );
+        mapNextVersion( builder, "groupId:artifactId" );
+
+        Scm scm = new Scm();
+        scm.setConnection( "scm:svn:file://localhost/svnroot/trunk/" );
+        scm.setDeveloperConnection( "scm:svn:file://localhost/svnroot/trunk/" );
+        scm.setUrl( "http://localhost/svn" );
+        scm.setTag( "trunk" );
+        builder.addOriginalScmInfo( "groupId:artifactId", scm );
+
+        phase.execute( ReleaseUtils.buildReleaseDescriptor( builder ), new DefaultReleaseEnvironment(), reactorProjects );
+
+        assertTrue( comparePomFiles( reactorProjects ) );
+    }
+
     @Test
     public void testRewriteBasicPomWithInheritedScm()
         throws Exception

maven-release-manager/src/test/resources/projects/rewrite-for-development/basic-pom-with-svn-from-tag/expected-pom.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ Copyright 2022 The Apache Software Foundation.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>groupId</groupId>
+  <artifactId>artifactId</artifactId>
+  <version>1.1-SNAPSHOT</version>
+
+  <prerequisites>
+    <maven>3.2.5</maven>
+  </prerequisites>
+
+  <scm>
+    <connection>scm:svn:file://localhost/svnroot/trunk/</connection>
+    <developerConnection>scm:svn:file://localhost/svnroot/trunk/</developerConnection>
+    <url>http://localhost/svn</url>
+    <tag>trunk</tag>
+  </scm>
+</project>

maven-release-manager/src/test/resources/projects/rewrite-for-development/basic-pom-with-svn-from-tag/pom.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ Copyright 2022 The Apache Software Foundation.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>groupId</groupId>
+  <artifactId>artifactId</artifactId>
+  <version>1.0</version>
+
+  <prerequisites>
+    <maven>3.2.5</maven>
+  </prerequisites>
+
+  <scm>
+    <connection>scm:svn:file://localhost/svnroot/trunk/</connection>
+    <developerConnection>scm:svn:file://localhost/svnroot/trunk/</developerConnection>
+    <url>http://localhost/svn</url>
+    <tag>trunk</tag>
+  </scm>
+</project>

pom.xml

@@ -90,7 +90,7 @@
   </contributors>
 
   <properties>
-    <scmVersion>2.0.0-M2</scmVersion>
+    <scmVersion>2.0.0-M3</scmVersion>
     <javaVersion>8</javaVersion>
     <mavenVersion>3.2.5</mavenVersion>
     <resolverVersion>1.0.0.v20140518</resolverVersion>