AOSP-based CAF build, possible ?

Hello guys, i've been searching this for sometime, but still can't find the answer. I'm quite new to Nexus 5, and i didn't know the history about how CAF branch was made beside aosp branch in hammerhead. The only think i know is, CAF commits was once merged by cm to aosp, but introduce many bugs. So it was divided into two branch like now. I like CAF build (the reality, i like experimental builds :p) but i only found cm based roms for CAF build

TL;DR is it possible to build AOSP roms based on CAF branch ?

Thanks !

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