On Sun, Sep 10, 2017 at 06:52:28PM +0000, Robert P. J. Day wrote: > is there some variation of, say, "git check-ignore" that will scan the > hierarchy of .gitignore files once that build is done and display the > .gitignore entries for which there are no matches? Funny, man git-check-ignore. I think you want some mix of find, and git check-ignore -z --non-matching --verbose --stdin, and maybe some IFS which I haven't entirely figured out.