# https://docs.docker.com/engine/reference/commandline/build/#parent-command
# Create directory for storing cargo registry on host, if it does not exist already
registry=""/raspberry-build/cargo/registry
# https://hackernoon.com/seamlessly-cross-compiling-rust-for-raspberry-pis-ede5e2bd3fe2
# https://matthiasnoback.nl/2017/04/docker-build-patterns/
# https://stackoverflow.com/questions/8426058/getting-the-parent-of-a-directory-in-bash