Where you need to go to get started with glassrom - be it flashing or building it
sync lineageos
copy the patch-glassrom.bash to the root of your build directory
run bash patch-glassrom.bash
to undo just repo sync again
use either gcc or clang
clang -lreadline -luuid updates.c
however if you are on non-GNU
clang -Dnongnu updates.c
run it:
./a.out
the generated json can be used in the OTA updater