Program: 32239
Project: 32239
Buggy source:
/** 
 * {@inheritDoc} 
 */
@Override public void execute() throws MojoExecutionException, MojoFailureException {
  validateConfiguration(preReleaseGoals,postReleaseGoals);
  try {
    initGitFlowConfig();
    checkUncommittedChanges();
    final String releaseBranch=gitFindBranches(gitFlowConfig.getReleaseBranchPrefix(),true);
    if (StringUtils.isNotBlank(releaseBranch)) {
      throw new MojoFailureException("String_Node_Str");
    }
    if (fetchRemote) {
      gitFetchRemoteAndCreate(gitFlowConfig.getDevelopmentBranch());
      gitFetchRemoteAndCompare(gitFlowConfig.getDevelopmentBranch());
      if (notSameProdDevName()) {
        gitFetchRemoteAndCreate(gitFlowConfig.getProductionBranch());
        gitFetchRemoteAndCompare(gitFlowConfig.getProductionBranch());
      }
    }
    gitCheckout(gitFlowConfig.getDevelopmentBranch());
    if (!allowSnapshots) {
      checkSnapshotDependencies();
    }
    if (!skipTestProject) {
      mvnCleanTest();
    }
    final String currentVersion=getCurrentProjectVersion();
    String defaultVersion=null;
    if (tychoBuild) {
      defaultVersion=currentVersion;
    }
 else {
      defaultVersion=new GitFlowVersionInfo(currentVersion).getReleaseVersionString();
    }
    if (defaultVersion == null) {
      throw new MojoFailureException("String_Node_Str");
    }
    String version=null;
    if (settings.isInteractiveMode()) {
      try {
        while (version == null) {
          version=prompter.prompt("String_Node_Str" + defaultVersion + "String_Node_Str");
          if (!"String_Node_Str".equals(version) && (!GitFlowVersionInfo.isValidVersion(version) || !validBranchName(version))) {
            getLog().info("String_Node_Str");
            version=null;
          }
        }
      }
 catch (      PrompterException e) {
        getLog().error(e);
      }
    }
 else {
      version=releaseVersion;
    }
    if (StringUtils.isBlank(version)) {
      version=defaultVersion;
    }
    if (StringUtils.isNotBlank(preReleaseGoals)) {
      mvnRun(preReleaseGoals);
    }
    if (!version.equals(currentVersion)) {
      mvnSetVersions(version);
      Map<String,String> properties=new HashMap<String,String>();
      properties.put("String_Node_Str",version);
      gitCommit(commitMessages.getReleaseStartMessage(),properties);
    }
    if (notSameProdDevName()) {
      gitCheckout(gitFlowConfig.getProductionBranch());
      gitMerge(gitFlowConfig.getDevelopmentBranch(),releaseRebase,releaseMergeNoFF,releaseMergeFFOnly);
    }
    if (!skipTag) {
      if (tychoBuild && ArtifactUtils.isSnapshot(version)) {
        version=version.replace("String_Node_Str" + Artifact.SNAPSHOT_VERSION,"String_Node_Str");
      }
      gitTag(gitFlowConfig.getVersionTagPrefix() + version,commitMessages.getTagReleaseMessage());
    }
    if (StringUtils.isNotBlank(postReleaseGoals)) {
      mvnRun(postReleaseGoals);
    }
    if (notSameProdDevName()) {
      gitCheckout(gitFlowConfig.getDevelopmentBranch());
    }
    final String nextSnapshotVersion;
    if (!settings.isInteractiveMode() && StringUtils.isNotBlank(developmentVersion)) {
      nextSnapshotVersion=developmentVersion;
    }
 else {
      GitFlowVersionInfo versionInfo=new GitFlowVersionInfo(version);
      if (digitsOnlyDevVersion) {
        versionInfo=versionInfo.digitsVersionInfo();
      }
      nextSnapshotVersion=versionInfo.nextSnapshotVersion(versionDigitToIncrement);
    }
    if (StringUtils.isBlank(nextSnapshotVersion)) {
      throw new MojoFailureException("String_Node_Str");
    }
    mvnSetVersions(nextSnapshotVersion);
    Map<String,String> properties=new HashMap<String,String>();
    properties.put("String_Node_Str",nextSnapshotVersion);
    gitCommit(commitMessages.getReleaseFinishMessage(),properties);
    if (installProject) {
      mvnCleanInstall();
    }
    if (pushRemote) {
      gitPush(gitFlowConfig.getProductionBranch(),!skipTag);
      if (notSameProdDevName()) {
        gitPush(gitFlowConfig.getDevelopmentBranch(),!skipTag);
      }
    }
  }
 catch (  Exception e) {
    getLog().error(e);
  }
}

Fixed version (ground truth):
/** 
 * {@inheritDoc} 
 */
@Override public void execute() throws MojoExecutionException, MojoFailureException {
  validateConfiguration(preReleaseGoals,postReleaseGoals);
  try {
    initGitFlowConfig();
    checkUncommittedChanges();
    final String releaseBranch=gitFindBranches(gitFlowConfig.getReleaseBranchPrefix(),true);
    if (StringUtils.isNotBlank(releaseBranch)) {
      throw new MojoFailureException("String_Node_Str");
    }
    if (fetchRemote) {
      gitFetchRemoteAndCreate(gitFlowConfig.getDevelopmentBranch());
      gitFetchRemoteAndCompare(gitFlowConfig.getDevelopmentBranch());
      if (notSameProdDevName()) {
        gitFetchRemoteAndCreate(gitFlowConfig.getProductionBranch());
        gitFetchRemoteAndCompare(gitFlowConfig.getProductionBranch());
      }
    }
    gitCheckout(gitFlowConfig.getDevelopmentBranch());
    if (!allowSnapshots) {
      checkSnapshotDependencies();
    }
    if (!skipTestProject) {
      mvnCleanTest();
    }
    final String currentVersion=getCurrentProjectVersion();
    String defaultVersion=null;
    if (tychoBuild) {
      defaultVersion=currentVersion;
    }
 else {
      defaultVersion=new GitFlowVersionInfo(currentVersion).getReleaseVersionString();
    }
    if (defaultVersion == null) {
      throw new MojoFailureException("String_Node_Str");
    }
    String version=null;
    if (settings.isInteractiveMode()) {
      try {
        while (version == null) {
          version=prompter.prompt("String_Node_Str" + defaultVersion + "String_Node_Str");
          if (!"String_Node_Str".equals(version) && (!GitFlowVersionInfo.isValidVersion(version) || !validBranchName(version))) {
            getLog().info("String_Node_Str");
            version=null;
          }
        }
      }
 catch (      PrompterException e) {
        throw new MojoFailureException("String_Node_Str",e);
      }
    }
 else {
      version=releaseVersion;
    }
    if (StringUtils.isBlank(version)) {
      version=defaultVersion;
    }
    if (StringUtils.isNotBlank(preReleaseGoals)) {
      mvnRun(preReleaseGoals);
    }
    if (!version.equals(currentVersion)) {
      mvnSetVersions(version);
      Map<String,String> properties=new HashMap<String,String>();
      properties.put("String_Node_Str",version);
      gitCommit(commitMessages.getReleaseStartMessage(),properties);
    }
    if (notSameProdDevName()) {
      gitCheckout(gitFlowConfig.getProductionBranch());
      gitMerge(gitFlowConfig.getDevelopmentBranch(),releaseRebase,releaseMergeNoFF,releaseMergeFFOnly);
    }
    if (!skipTag) {
      if (tychoBuild && ArtifactUtils.isSnapshot(version)) {
        version=version.replace("String_Node_Str" + Artifact.SNAPSHOT_VERSION,"String_Node_Str");
      }
      gitTag(gitFlowConfig.getVersionTagPrefix() + version,commitMessages.getTagReleaseMessage());
    }
    if (StringUtils.isNotBlank(postReleaseGoals)) {
      mvnRun(postReleaseGoals);
    }
    if (notSameProdDevName()) {
      gitCheckout(gitFlowConfig.getDevelopmentBranch());
    }
    final String nextSnapshotVersion;
    if (!settings.isInteractiveMode() && StringUtils.isNotBlank(developmentVersion)) {
      nextSnapshotVersion=developmentVersion;
    }
 else {
      GitFlowVersionInfo versionInfo=new GitFlowVersionInfo(version);
      if (digitsOnlyDevVersion) {
        versionInfo=versionInfo.digitsVersionInfo();
      }
      nextSnapshotVersion=versionInfo.nextSnapshotVersion(versionDigitToIncrement);
    }
    if (StringUtils.isBlank(nextSnapshotVersion)) {
      throw new MojoFailureException("String_Node_Str");
    }
    mvnSetVersions(nextSnapshotVersion);
    Map<String,String> properties=new HashMap<String,String>();
    properties.put("String_Node_Str",nextSnapshotVersion);
    gitCommit(commitMessages.getReleaseFinishMessage(),properties);
    if (installProject) {
      mvnCleanInstall();
    }
    if (pushRemote) {
      gitPush(gitFlowConfig.getProductionBranch(),!skipTag);
      if (notSameProdDevName()) {
        gitPush(gitFlowConfig.getDevelopmentBranch(),!skipTag);
      }
    }
  }
 catch (  Exception e) {
    throw new MojoFailureException("String_Node_Str",e);
  }
}