lake@localhost:~/Google/android-8.1.0_r33$cd .repo/manifests
lake@localhost:~/Google/android-8.1.0_r33/.repo/manifests$ git branch -a | grep android-8.1.0_r33
remotes/origin/android-8.1.0_r33
lake@localhost:~/Google/android-8.1.0_r33/.repo/manifests$ git branch -a | cut -d / -f 3 ## see all tags
######## new branch is in local already
lake@localhost:~/Google/android-8.1.0_r33$ repo init -b android-8.1.0_r33
.repo/manifests/: discarding 484 commits
Your identity is: Lake <[email protected]>
If you want to change this, please re-run 'repo init' with --config-name
repo has been initialized in /home/lake/Google/android-8.1.0_r33
lake@localhost:~/Google/android-8.1.0_r33$ repo forall -c git checkout android-8.1.0_r33
lake@localhost:~/Google/android-8.1.0_r33$ repo forall -c git reset --hard
######### new branch is NOT in local yet
lake@localhost:~/Google/android-8.1.0_r33$ repo init -u https://android.googlesource.com/platform/manifest -b android-8.1.0_r33
lake@localhost:~/Google/android-8.1.0_r33$ repo forall -c 'git reset --hard; git clean -f -d -x'; ### Clean all local changes
lake@localhost:~/Google/android-8.1.0_r33$ repo sync -j32
.......................
Fetching projects: 100% (591/591), done.
Deleting obsolete path /home/lake/Google/android-8.1.0_r33/external/libvorbis
Syncing work tree: 100% (591/591), done.
device/asus/fugu-kernel/: discarding 1 commits
device/google/dragon-kernel/: discarding 1 commits
device/google/marlin-kernel/: discarding 1 commits
device/google/wahoo-kernel/: discarding 1 commits
device/huawei/angler-kernel/: discarding 1 commits
device/lge/bullhead-kernel/: discarding 1 commits
external/chromium-webview/: discarding 1 commits
prebuilts/abi-dumps/vndk/: discarding 1 commits
prebuilts/gcc/darwin-x86/aarch64/aarch64-linux-android-4.9/: discarding 1 commits
prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.9/: discarding 1 commits
prebuilts/gcc/darwin-x86/x86/x86_64-linux-android-4.9/: discarding 1 commits
prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/: discarding 1 commits
prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/: discarding 1 commits
prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9/: discarding 1 commits
prebuilts/gradle-plugin/: discarding 1 commits
prebuilts/maven_repo/android/: discarding 1 commits
prebuilts/ndk/: discarding 1 commits
prebuilts/qemu-kernel/: discarding 1 commits
prebuilts/sdk/: discarding 1 commits
prebuilts/tools/: discarding 1 commits
############# start a local repo branch for all git projects !! ########### Attention the branch name
lake@localhost:~/Google/android-8.1.0_r33$ repo start android-8.1.0_r33 --all
#### 'android-8.1.0_r33' will be ambiguous
Starting android-8.1.0_r33: 100% (591/591), done.
lake@localhost:~/Google/android-8.1.0_r33$
lake@localhost:~/Google/android-8.1.0_r33$ repo branches
* android-8.1.0_r33 | in all projects
lake@localhost:~/Google/android-8.1.0_r33$
#### 'android-8.1.0_r33' will be ambiguous in branch name and tag name
You can explicitly specify whether you want a branch or a tag by using full name:
git checkout refs/heads/android-8.1.0_r33
or
git checkout refs/tags/android-8.1.0_r33
lake@localhost:~/Google/repo-aosp-AndroidN7.1.x-8.1$ repo branch
* android-8.1.0_r33 | in all projects
repo forall -c git checkout refs/tags/android-8.1.0_r33 <<<<<<< ---------- Checkout tag of android-8.1.0_r33
repo forall -c git branch -D android-8.1.0_r33 <<<<<<< ---------- delete all branches of android-8.1.0_r33 to avoid ambiguous