看了好久android論壇上的介紹，還是不明白，沒辦法，自己測試一下吧

首先下載好源碼....

1.作Branch分支

$ repo start BRANCH_NAME PROJECT

比如，我要做自己一個ethernet的分支，需要用到的工程有frameworks/base,pacakges/apps/Setting,build/core

那么我就執行

$ repo start myethernet frameworks/base pacakges/apps/Setting build/core

2.確認你創建的Branch分支

$ repo status

project build/                                  branch myethernet

project frameworks/base/                        branch myethernet

project packages/apps/Settings/                 branch myethernet

執行之后會出現上面的結果，說明我已經正確的創建好了分支了

3.在分支上進行工作

進入你所要進行修改的工作目錄

$ cd frameworks/base/

$ git branch

myandroid

* myethernet

git branch可以查看所有的branch分支，前面帶*的是你當前所在分支，你可以通過git checkout BRANCH_NAME 切換你工作的分支

$ git checkout myandroid

Switched to branch 'myandroid'

切換到你的工作分支，就可以開始工作了

4.比如新建一個文件

$ vi test.java

$ git add test.java

$ git commit test.java

出現一個文本，在文本里面可以添加log，寫好log. 保存，退出

5.刪除一個文件或目錄

git rm -r 文件夾 /git rm 文件

git commit

6.在android源碼目錄更新遇到問題

branch myethernet ( 3 commits, Tue Mar 27 00:39:12 2012 -0700):

4bbd01e2 test add

ab5fc5c6  test remove

f71691f2 add folder test

to None (y/N)? y

Traceback (most recent call last):

File "/home/zhuang/android_src/src/.repo/repo/main.py", line 385, in

_Main(sys.argv[1:])

File "/home/zhuang/android_src/src/.repo/repo/main.py", line 365, in _Main

result = repo._Run(argv) or 0

File "/home/zhuang/android_src/src/.repo/repo/main.py", line 137, in _Run

result = cmd.Execute(copts, cargs)

File "/home/zhuang/android_src/src/.repo/repo/subcmds/upload.py", line 377, in Execute

self._SingleBranch(opt, pending[0][1][0], people)

File "/home/zhuang/android_src/src/.repo/repo/subcmds/upload.py", line 183, in _SingleBranch

self._UploadAndReport(opt, [branch], people)

File "/home/zhuang/android_src/src/.repo/repo/subcmds/upload.py", line 311, in _UploadAndReport

branch.UploadForReview(people, auto_topic=opt.auto_topic)

File "/home/zhuang/android_src/src/.repo/repo/project.py", line 182, in UploadForReview

auto_topic=auto_topic)

File "/home/zhuang/android_src/src/.repo/repo/project.py", line 862, in UploadForReview

raise GitError('remote %s has no review url' % branch.remote.name)

error.GitError: remote aosp has no review url