Android build/envsetup.sh 脚本分析(lunch函数)

wll@wll:/var/data/wll/project/8825_0108/SC8825$ . build/envsetup.sh

including device/moto/stingray/vendorsetup.sh

including device/moto/wingray/vendorsetup.sh

including device/samsung/crespo4g/vendorsetup.sh

..............

wll@wll:/var/data/wll/project/8825_0108/SC8825$ lunch 

You're building on Linux
Lunch menu... pick a combo:

 1. full-eng
     2. full_x86-eng
     3. vbox_x86-eng

...

     38. td560-userdebug
     39. td560-user
     40. td560-eng

选择正确的编译版本

Which would you like? [full-eng] 38

wll@wll:/var/data/wll/project/8825_0108/SC8825$ adb shell 
Display all 220 possibilities? (y or n)

就可以显示出adb 的所有命令了