pre-commit

#!/bin/sh

# create `secrets.env` in the root of the repo to avoid committing sensitive
# details from your local configuration to git.

# add entries in the format "secret=placeholder" (placeholder can be blank)
#   echo "secret@address.com=example@address.com" >> secrets.env
#   echo "secretdomain.com=exampledomain.com" >> secrets.env
#   echo "abcdefghijklmnopqrstuvwxyz1234567890=" >> secrets.env

# install with:
#   ln -s ../../pre-commit .git/hooks/pre-commit
#   ln -s ../../post-commit .git/hooks/post-commit

[ -e "secrets.env" ] || exit

# remove secrets from docker-compose.yml and traefik.toml before git commit
for file in "docker-compose.yml" "traefik.toml"
do
	cp "${file}" "${file}.bak"
	while IFS='=' read -r secret text || [[ -n "${secret}" ]]
	do
		sed -e "s|${secret}|${text}|g" -i "${file}"
	done < "secrets.env"
	echo "removed secrets from ${file}"
	git add ${file}
done