Turns out that `-f` on a file that's in `.dockerignore` actually does work. No idea why it wasn't when I was doing this before, but oh well! 🤘 Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com> Upstream-commit: 9f5730e131699caaf6f8f6f941d5942d68295055 Component: engine