Comment by bil7

> suggest patterns in the same codebase that you're working

Sometimes, with variable results. I think I've only observed it guess patterns from the current directory

> Does copilot work for shell scripts?

Yes, it gave me this earlier today while editing my .zshrc:

  # kill a process on a given port
  killport() {
    lsof -i :$1 | awk 'NR!=1 {print $2}' | xargs kill
  }