public RevCommit tryFastForward(RevCommit newCommit) throws IOException,GitAPIException {Ref head = getHead();ObjectId headId = head.getObjectId();if (headId == null)throw new RefNotFoundException(MessageFormat.format(JGitText.get().refNotResolved, Constants.HEAD));RevCommit headCommit = walk.lookupCommit(headId);if (walk.isMergedInto(newCommit, headCommit))return newCommit;String headName = getHeadName(head);return tryFastForward(headName, headCommit, newCommit);}

public RevCommit tryFastForward ( RevCommit newCommit ) throws IOException , GitAPIException { Ref head = getHead ( ) ; ObjectId headId = head . getObjectId ( ) ; if ( headId == null ) throw new RefNotFoundException ( MessageFormat . format ( JGitText . get ( ) . refNotResolved , Constants . HEAD ) ) ; RevCommit headCommit = walk . lookupCommit ( headId ) ; if ( walk . isMergedInto ( newCommit , headCommit ) ) return newCommit ; String headName = getHeadName ( head ) ; return tryFastForward ( headName , headCommit , newCommit ) ; }
public virtual RevCommit TryFastForward(RevCommit newCommit){Ref head = repo.GetRef(Constants.HEAD);if (head == null || head.GetObjectId() == null){throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved, Constants.HEAD));}ObjectId headId = head.GetObjectId();if (headId == null){throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved, Constants.HEAD));}RevCommit headCommit = walk.LookupCommit(headId);if (walk.IsMergedInto(newCommit, headCommit)){return newCommit;}string headName;if (head.IsSymbolic()){headName = head.GetTarget().GetName();}else{headName = "detached HEAD";}return TryFastForward(headName, headCommit, newCommit);}
