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lake@localhost:~/Google/git-android-8.1.0_r33$ git whatchanged device |awk -F/ '{print $2}' |sort |uniq
asus
common
generic
google
huawei
lge
linaro
sample
lake@localhost:~/Google/git-android-8.1.0_r33$
lake@localhost:~/Google/git-android-8.1.0_r33$
lake@localhost:~/Google/git-android-8.1.0_r33$ git checkout HEAD^ -- device/asus device/common device/lge device/linaro