curl -sfL https://direnv.net/install.sh | bash

# use expand_path
export KUBECONFIG=$(expand_path ./provision/kubeconfig)

# ~/.config/direnv/direnvrc
realpath() {
    [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}

update_dotenv() {
    echo 'Running update dotenv'
    DOTENVFILE=$(realpath ".env")
    while IFS='=' read -r name value ; do
        [ "$name" = "_" ] && continue
        [ "$name" = "BROWSER" ] && continue
        [ "$name" = "CDPATH" ] && continue
        [ "$name" = "GIT_ASKPASS" ] && continue
        [ "$name" = "HISTTIMEFORMAT" ] && continue
        [ "$name" = "INFOPATH" ] && continue
        [ "$name" = "MANPATH" ] && continue
        [ "$name" = "OLDPWD" ] && continue
        [ "$name" = "ORIGINAL_XDG_CURRENT_DESKTOP" ] && continue
        [ "$name" = "PATH" ] && continue
        [ "$name" = "SHELL" ] && continue
        [ "$name" = "SHLVL" ] && continue
        [ "$name" = "TF_PLUGIN_CACHE_DIR" ] && continue
        [ "$name" = "VIRTUAL_ENV" ] && continue
        [[ $name = __CF* ]] && continue
        [[ $name = ASDF_* ]] && continue
        [[ $name = BASH_* ]] && continue
        [[ $name = DIRENV_* ]] && continue
        [[ $name = HISTFILE* ]] && continue
        [[ $name = HOMEBREW* ]] && continue
        [[ $name = ITERM_* ]] && continue
        [[ $name = SSH_* ]] && continue
        [[ $name = TERM_* ]] && continue
        [[ $name = VSCODE_* ]] && continue
        [[ $name = XDG_* ]] && continue
        [[ $name = XPC_* ]] && continue
        [[ $name = *ZDOT* ]] && continue
        if [ -z "$value" ]; then
            echo "${name}="
            continue
        fi
        printf '%s="%s"\n' $name "$value"
    done < <(env|sort) > $DOTENVFILE

}

# https://direnv.net/
layout python
dotenv_if_exists .build-vars
dotenv_if_exists .env-local
dotenv_if_exists ./overrides/env-local

# Generate .env file for docker-compose, excluding system variables
EXCLUDE_VARS=$(cat <<'EOF'
__CF*
BUNDLED_DEBUGPY_PATH
COLORTERM
COMMAND_MODE
CURSOR_TRACE_ID
DIRENV_*
DNS_AWS_ACCESS_KEY_ID
DNS_AWS_SECRET_ACCESS_KEY
GIT_ASKPASS
HOME
LANG
LC_*
LOGNAME
OLDPWD
PAGER
PATH
PS?
PWD
SHELL
SHLVL
USER
VSCODE_*
ZDOTDIR
EOF
)
EXCLUDE_PATTERN=$(echo "$EXCLUDE_VARS" | sed 's/\*/\.\*/g; s/?/./g' | sed 's/^/^/' | sed 's/$/=/' | tr '\n' '|' | sed 's/|$//')
env | grep -vE "$EXCLUDE_PATTERN" | sort > .env