[Android] 如何查看当前分支

想要知道如何编译Android，请看http://source.android.com/source/index.html

想要知道如何下载Android，请看http://source.android.com/source/downloading.html

1. 如何查看本地Android代码的分支信息，以及查看更多的分支

$ git --git-dir=.repo/manifests/.git/ branch -a
* default
  remotes/m/android-2.3_r1 -> origin/android-2.3_r1
  remotes/origin/android-1.6_r1
  remotes/origin/android-1.6_r1.1
  remotes/origin/android-1.6_r1.2
  remotes/origin/android-1.6_r1.3
  remotes/origin/android-1.6_r1.4
  remotes/origin/android-1.6_r1.5
  remotes/origin/android-1.6_r2
  remotes/origin/android-2.0.1_r1
  remotes/origin/android-2.0_r1
  remotes/origin/android-2.1_r1
  remotes/origin/android-2.1_r2
  remotes/origin/android-2.1_r2.1p
  remotes/origin/android-2.1_r2.1p2
  remotes/origin/android-2.1_r2.1s
  remotes/origin/android-2.2.1_r1
  remotes/origin/android-2.2.1_r2
  remotes/origin/android-2.2.2_r1
  remotes/origin/android-2.2.3_r1
  remotes/origin/android-2.2.3_r2
  remotes/origin/android-2.2_r1
  remotes/origin/android-2.2_r1.1
  remotes/origin/android-2.2_r1.2
  remotes/origin/android-2.2_r1.3
  remotes/origin/android-2.3.1_r1
  remotes/origin/android-2.3.2_r1
  remotes/origin/android-2.3.3_r1
  remotes/origin/android-2.3.3_r1.1
  remotes/origin/android-2.3.4_r0.9
  remotes/origin/android-2.3.4_r1
  remotes/origin/android-2.3.5_r1
  remotes/origin/android-2.3.6_r0.9
  remotes/origin/android-2.3.6_r1
  remotes/origin/android-2.3.7_r1
  remotes/origin/android-2.3_r1
  remotes/origin/android-4.0.1_r1
  remotes/origin/android-4.0.1_r1.1
  remotes/origin/android-4.0.1_r1.2
  remotes/origin/android-4.0.2_r1
  remotes/origin/android-4.0.3_r1
  remotes/origin/android-cts-2.2_r8
  remotes/origin/android-cts-2.3_r10
  remotes/origin/android-cts-2.3_r11
  remotes/origin/android-cts-4.0_r1
  remotes/origin/android-cts-verifier-4.0_r1
  remotes/origin/android-sdk-4.0.3-tools_r1
  remotes/origin/android-sdk-4.0.3_r1
  remotes/origin/android-sdk-adt_r16.0.1
  remotes/origin/froyo
  remotes/origin/gingerbread
  remotes/origin/gingerbread-release
  remotes/origin/ics-mr0
  remotes/origin/ics-mr1
  remotes/origin/master
  remotes/origin/tradefed

2. 切换分支版本

$ repo init -b gingerbread-release