dotfiles/shell/ssh

# start ssh agent, if no agent set
if [[ -n "${XDG_RUNTIME_DIR}" && -z "${SSH_AUTH_SOCK}" ]]; then
    # XDG should make this linux only
    # macOS starts its own agent, so, doubly so

    if ! pgrep -u "$USER" ssh-agent > /dev/null; then
        ssh-agent -t 24h > "${XDG_RUNTIME_DIR}/ssh-agent.env"
    fi

    if [[ ! -S "${SSH_AUTH_SOCK}" ]] && [[ -f "${XDG_RUNTIME_DIR}/ssh-agent.env" ]]; then
        source "${XDG_RUNTIME_DIR}/ssh-agent.env" > /dev/null
    fi
fi

# autoload keys if there's an agent
if [[ -n "${SSH_AUTH_SOCK}" ]]; then
    if ! command ssh-add -l > /dev/null; then
        case "${OSTYPE}" in
            linux*)
                # TODO: unsure yet
                # maybe:
                # ssh-add ~/.ssh/id_*[!.pub]
                # or on demand:
                # see ssh_config(5) AddKeysToAgent yes or ask
                # see ssh(1) SSH_ASKPASS=/path/to/ask / SSH_ASKPASS_REQUIRE=prefer
                :
                ;;
            darwin*)
                ssh-add -q --apple-load-keychain
                ;;
            *)
                :
                ;;
        esac
    fi

    case "${OSTYPE}" in
        linux*)
            SSH_ASKPASS="${DOTFILES_BIN_DIR}/ssh-askpass-rofi"
            SSH_ASKPASS_REQUIRE='prefer'
            export SSH_ASKPASS SSH_ASKPASS_REQUIRE
            ;;
        *)
            :
            ;;
    esac
fi

function ssh-add() {
    if [[ $# -eq 0 ]]; then
        command ssh-add ~/.ssh/id_*[!.pub]
    else
        command ssh-add "$@"
    fi
}

# vim: ft=bash