issue #72: honour return value of provider.tag()

Author: Hans-Peter Schmid

src/main/java/com/e_gineering/maven/gitflowhelper/TagMasterMojo.java

@@ -9,6 +9,7 @@
 import org.apache.maven.scm.ScmException;
 import org.apache.maven.scm.ScmFileSet;
 import org.apache.maven.scm.ScmTagParameters;
+import org.apache.maven.scm.command.tag.TagScmResult;
 import org.apache.maven.scm.provider.ScmProvider;
 import org.apache.maven.scm.repository.ScmRepository;
 
@@ -51,7 +52,15 @@ protected void execute(final GitBranchType type, final String gitBranch, final S
                     ScmTagParameters tagParams = new ScmTagParameters("Release tag [" + sanitizedTag + "] generated by gitflow-helper-maven-plugin.");
                     tagParams.setRemoteTagging(true);
 
-                    provider.tag(repository, new ScmFileSet(project.getBasedir()), sanitizedTag, tagParams);
+                    final TagScmResult tagScmResult = provider.tag(repository, new ScmFileSet(project.getBasedir()), sanitizedTag, tagParams);
+                    if (!tagScmResult.isSuccess()) {
+                        getLog().error("Provider message:");
+                        getLog().error(tagScmResult.getProviderMessage());
+                        getLog().error("Command output:");
+                        getLog().error(tagScmResult.getCommandOutput());
+
+                        throw new MojoFailureException(tagScmResult.getProviderMessage() );
+                    }
                 } catch (ScmException scme) {
                     throw new MojoFailureException("Unable to tag master branch.", scme);
                 }