I cannot speak for OP, but I work on the Pyret compiler. Building a bootstrapping compiler is a lot of work and creates many (intentionally) untracked files. Pu

I cannot speak for OP, but I work on the Pyret compiler. Building a bootstrapping compiler is a lot of work and creates many (intentionally) untracked files. Pulling the repo twice allows me to hack on my fork without doing a full-rebuild every time I need to try something or change something on master.