Program: 151579
Project: 151579
Buggy source:
public static CherryPickResult cherryPickNoMerge(final Git git,Ref src) throws GitAPIException {
  Repository repo=git.getRepository();
  RevCommit newHead=null;
  List<Ref> cherryPickedRefs=new LinkedList<Ref>();
  RevWalk revWalk=new RevWalk(repo);
  try {
    Ref headRef=repo.getRef(Constants.HEAD);
    if (headRef == null)     throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
    RevCommit headCommit=revWalk.parseCommit(headRef.getObjectId());
    newHead=headCommit;
    ObjectId srcObjectId=src.getPeeledObjectId();
    if (srcObjectId == null)     srcObjectId=src.getObjectId();
    RevCommit srcCommit=revWalk.parseCommit(srcObjectId);
    if (srcCommit.getParentCount() != 1)     throw new MultipleParentsNotAllowedException(MessageFormat.format(JGitText.get().canOnlyCherryPickCommitsWithOneParent,srcCommit.name(),Integer.valueOf(srcCommit.getParentCount())));
    RevCommit srcParent=srcCommit.getParent(0);
    revWalk.parseHeaders(srcParent);
    ResolveMerger merger=(ResolveMerger)MergeStrategy.RESOLVE.newMerger(repo);
    merger.setWorkingTreeIterator(new FileTreeIterator(repo));
    merger.setBase(srcParent.getTree());
    if (merger.merge(headCommit,srcCommit)) {
      DirCacheCheckout dco=new DirCacheCheckout(repo,headCommit.getTree(),repo.lockDirCache(),merger.getResultTreeId());
      dco.setFailOnConflict(true);
      dco.checkout();
      cherryPickedRefs.add(src);
    }
 else {
      if (merger.failed())       return new CherryPickResult(merger.getFailingPaths());
      String message=new MergeMessageFormatter().formatWithConflicts(srcCommit.getFullMessage(),merger.getUnmergedPaths());
      repo.writeCherryPickHead(srcCommit.getId());
      repo.writeMergeCommitMsg(message);
      return CherryPickResult.CONFLICT;
    }
  }
 catch (  IOException e) {
    throw new JGitInternalException(MessageFormat.format(JGitText.get().exceptionCaughtDuringExecutionOfCherryPickCommand,e),e);
  }
 finally {
    revWalk.release();
  }
  return new CherryPickResult(newHead,cherryPickedRefs);
}

Fixed version (ground truth):
public static CherryPickResult cherryPickNoMerge(final Git git,Ref src) throws GitAPIException {
  Repository repo=git.getRepository();
  RevCommit newHead=null;
  List<Ref> cherryPickedRefs=new LinkedList<Ref>();
  RevWalk revWalk=new RevWalk(repo);
  try {
    Ref headRef=repo.getRef(Constants.HEAD);
    if (headRef == null)     throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
    RevCommit headCommit=revWalk.parseCommit(headRef.getObjectId());
    newHead=headCommit;
    ObjectId srcObjectId=src.getPeeledObjectId();
    if (srcObjectId == null)     srcObjectId=src.getObjectId();
    RevCommit srcCommit=revWalk.parseCommit(srcObjectId);
    if (srcCommit.getParentCount() == 0)     return null;
    if (srcCommit.getParentCount() > 1)     throw new MultipleParentsNotAllowedException(MessageFormat.format(JGitText.get().canOnlyCherryPickCommitsWithOneParent,srcCommit.name(),Integer.valueOf(srcCommit.getParentCount())));
    RevCommit srcParent=srcCommit.getParent(0);
    revWalk.parseHeaders(srcParent);
    ResolveMerger merger=(ResolveMerger)MergeStrategy.RESOLVE.newMerger(repo);
    merger.setWorkingTreeIterator(new FileTreeIterator(repo));
    merger.setBase(srcParent.getTree());
    if (merger.merge(headCommit,srcCommit)) {
      DirCacheCheckout dco=new DirCacheCheckout(repo,headCommit.getTree(),repo.lockDirCache(),merger.getResultTreeId());
      dco.setFailOnConflict(true);
      dco.checkout();
      cherryPickedRefs.add(src);
    }
 else {
      if (merger.failed())       return new CherryPickResult(merger.getFailingPaths());
      String message=new MergeMessageFormatter().formatWithConflicts(srcCommit.getFullMessage(),merger.getUnmergedPaths());
      repo.writeCherryPickHead(srcCommit.getId());
      repo.writeMergeCommitMsg(message);
      return CherryPickResult.CONFLICT;
    }
  }
 catch (  IOException e) {
    throw new JGitInternalException(MessageFormat.format(JGitText.get().exceptionCaughtDuringExecutionOfCherryPickCommand,e),e);
  }
 finally {
    revWalk.release();
  }
  return new CherryPickResult(newHead,cherryPickedRefs);
}