I'm currently in the process of attempting to build Ubuntu Touch for the Nexus 6, I'll continue if there is any interest. If not, I will probably stop.
Tried building it a while back, couldn't figure it out to save my life. What version of android are you going to build it over?
I'm going to try to just do whatever works. Trying to build a kernel from source, as Ubuntu Touch's...
Ok, will continue. Currently working on doing kernel stuff.
libcameraservice seems to love stopping me. .-.
flashed with N6, stuck at bootanimation endlessly...not loop, just endlessly never made it to the homescreen...
Try extracting the zip and flash boot-shamu.img with fastboot. Worked for me on N6.