To get started with the NightShadeOS sources, you'll need to get familiar with Git and Repo.
To initialize your local repository, use command:
repo init -u https://github.com/NightShadeOS-Project/manifest.git -b 13
Then sync up:
repo sync
Initialize the ROM environment with the envsetup.sh script.
. build/envsetup.sh
Lunch your device after cloning all device sources if needed.
lunch nightshade_devicecodename-buildtype
Start compilation
make bacon