HackPushNegotiateHook (Gerrit Review Plugin API Documentation)

java.lang.Object
- com.google.gerrit.server.git.HackPushNegotiateHook

All Implemented Interfaces:

org.eclipse.jgit.transport.AdvertiseRefsHook
```
public class HackPushNegotiateHook
extends Object
implements org.eclipse.jgit.transport.AdvertiseRefsHook
```
Advertises part of history to git push clients.
This is a hack to work around the lack of negotiation in the send-pack/receive-pack wire protocol.
When the server is frequently advancing master by creating merge commits, the client may not be able to discover a common ancestor during push. Attempting to push will re-upload a very large amount of history. This hook hacks in a fake negotiation replacement by walking history and sending recent commits as ".have" lines in the wire protocol, allowing the client to find a common ancestor.

Field Summary
- Fields inherited from interface org.eclipse.jgit.transport.AdvertiseRefsHook
  DEFAULT

Constructor Summary

Constructors
Constructor Description

HackPushNegotiateHook()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`advertiseRefs(org.eclipse.jgit.transport.BaseReceivePack rp)`
`void`	`advertiseRefs(org.eclipse.jgit.transport.UploadPack us)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - HackPushNegotiateHook
```
public HackPushNegotiateHook()
```
- Method Detail
  - advertiseRefs
```
public void advertiseRefs(org.eclipse.jgit.transport.UploadPack us)
```
    Specified by:
    
    advertiseRefs in interface org.eclipse.jgit.transport.AdvertiseRefsHook
  - advertiseRefs
```
public void advertiseRefs(org.eclipse.jgit.transport.BaseReceivePack rp)
                   throws org.eclipse.jgit.transport.ServiceMayNotContinueException
```
    Specified by:
    
    advertiseRefs in interface org.eclipse.jgit.transport.AdvertiseRefsHook
    
    Throws:
    
    org.eclipse.jgit.transport.ServiceMayNotContinueException