Git clone cm source, gitclone

Git clone cm source, gitclone
$ Git clone https://github.com/CyanogenMod/android_packages_apps_DeskClock.git-B cm-9.0.0

• CM4 representative (Android1.6)
• CM5 representative (Android2.1)
• CM6 representative (Android2.2)
• CM7 representative (Android2.3)
• CM8 representative (Android3. * [because Google did not open the source code of this generation of systems, it skipped Development ])
• CM9 representative (Android4.0)
• CM10 representative (Android4.1)
• CM10.1 representative (Android4.2)
• CM10.2 representative (Android4.3)
• CM11 stands for the latest (Android4.4.2)

Https://github.com/CyanogenMod

The folder after git clone is empty ??

Git branch-
Check if there are any other branches. Cut them and try again.

Why does git clone fail to get the file?

Git clone can be followed by available source addresses.