if [ -z "$PROFILE_LOCK" ]; then
    export PROFILE_LOCK=1

    # set PATH so it includes user's private bin if it exists
    if [ -d "$HOME/bin" ]; then
        PATH="$HOME/bin:$PATH"
    fi

    # config
    if [ -z "$XDG_DATA_HOME" ]; then
        export XDG_DATA_HOME="$HOME/.local/share"
        mkdir -p "$XDG_DATA_HOME"
    fi
    if [ -z "$XDG_CONFIG_HOME" ]; then
        export XDG_CONFIG_HOME="$HOME/.config"
        mkdir -p "$XDG_CONFIG_HOME"
    fi

    # workspace
    if [ -z "$WORKSPACE" ]; then
        export WORKSPACE="$HOME/workspace"
    fi

    # .local
    export PATH="$HOME/.local/bin:$PATH"

    # pyenv
    export PYENV_ROOT="$HOME/.pyenv"
    export PATH="$PYENV_ROOT/bin:$PATH"
    export PATH="$PYENV_ROOT/shims:$PATH"
    [ -x "$(command -v pyenv)" ] && eval "$(pyenv init -)"

    # poetry
    export POETRY_ROOT="$HOME/.poetry"
    export PATH="$POETRY_ROOT/bin:$PATH"

    # nvm
    export NVM_DIR="$XDG_CONFIG_HOME/nvm"
    export PATH="$NVM_DIR/bin:$PATH"
    # [ -s "$NVM_DIR/nvm.sh" ] && source "$NVM_DIR/nvm.sh"

    # yarn
    export YARN_DIR="$HOME/.yarn"
    if ! [ -x "$(command -v yarn)" ]; then
        export PATH="$YARN_DIR/bin:$PATH"
    else
        export PATH="$(yarn global bin):$PATH"
    fi

fi