set_env_variables.sh

#!/bin/bash
#
# This script set the heroku environment variables
#
# @author Patrick  Martini <patrick.martini@emarsys.com>

# Exit immediately on error
set -e

# Detect whether output is piped or not.
[[ -t 1 ]] && piped=0 || piped=1

version="v0.1"

# Print usage
usage() { cat <<HEREDOC

  $(basename $0) <ENV_FILES> <HEROKU APP>

  Set the heroku environment variables 

Examples:
      $(basename $0) heroku_environment_variables.txt ems-preventive-checks-staging"
HEREDOC
}
# Print help if no arguments were passed.
[[ $# -eq 0 ]] && usage && exit 1;
file=$1
app=$2

echo "$app"

[ -z "$file" ] && err "Missing file" >&2 && exit 1;
[ -z "$app" ] && err "Missing app" >&2 && exit 1;
envs=""
while IFS='=' read -r key value
  do
    envs="$envs ${key}='${value}'"
  done < "$file"
eval "heroku config:set $envs --app $app"