Heroku NODE_CONFIG change

config.sh

#!/bin/bash
#
# .config.sh application-name change the NODE_CONFIG value

set -euo pipefail

cd "$(dirname "$0")/.."

APPLICATION="${1:-}"
TMPFILE="$(mktemp /tmp/config.XXXX.json)"

# Check for application name
if [ "${APPLICATION}" == "" ]; then
    echo "Make sure to set the heroku application argument!"
    exit 1
fi
if hash -v json &>/dev/null -eq 1; then
    echo "Make sure the json tool is installed."
    exit 1
fi
if hash -v heroku &>/dev/null -eq 1; then
    echo "Make sure the Heroku toolbelt is installed."
    exit 1
fi

echo "-> Edit app config ${APPLICATION}, create tmp file ${TMPFILE}"

heroku config:get NODE_CONFIG -a "${APPLICATION}" > "${TMPFILE}"

echo "-> Format the JSON input"
json -f "${TMPFILE}" --in-place

echo "-> Trigger editor with current config"
subl3 --wait "${TMPFILE}"

echo "-> Validate config"
cat "${TMPFILE}" | json --validate

CONFIG=$(cat "${TMPFILE}")

echo "-> Set new Heorku config value '${CONFIG}'"
heroku config:set NODE_CONFIG="${CONFIG}" -a "${APPLICATION}"

# Delete file after delete, if you want the file to remain after edit don't
# delete this
# rm "${TMPFILE}"