_load_env_vars

#! /bin/bash

#############################################################
### Script to export env vars from .env file with comments
#############################################################

# Check for .env file
if [ ! -f $PWD/.env ]; then
    echo "No .env file found!!!"
    return 1
fi

main() {

    # Test if sed is gnu sed
    MYSED=sed
    gnu_mentions=$(sed --version 2>&1 | grep -i 'gnu' | wc -l | xargs -I VAR bash -c "echo VAR")

    # If gnu isn't mentioned after `sed --version` then conclude it's not gnu sed
    if [[ $gnu_mentions == 0 ]]; then

        # If gsed exists then use it instead of sed
        if [[ $(command -v gsed) ]]; then
            MYSED=gsed
        else
            echo """
                This script only works with GNU sed.
                If you are on a MAC then use 'brew install gnu-sed'
            """
            exit 1
        fi
    fi

    # GNU-sed expression to export vars while ignoring lines beginning with # in .env file
    cmd=$($MYSED -ne '/^#/d; /^export /{p;d}; /.*=/ s/^/export / p' .env)
    eval $cmd
}

## Trick to check if this script is being sourced or sh-ed
unset BASH_SOURCE 2>/dev/null
test ".$0" == ".$BASH_SOURCE" && echo "You must <SOURCE> (not SH) this script!!!" || main "$@"