agents

# ; -*-shell-script-*-
# MFL's bash profile config for ssh and gpg agent
# shellcheck disable=SC1090

keyagents() {
    # TODO
    # add keys
    # option to use gpg-agent for ssh
    
    # ssh-agent
    if type ssh-agent &>/dev/null; then
        # source environment file if it exists
        SSH_FILE="$HOME/.ssh-agent-info"
        if [ -f "$SSH_FILE" ]; then
            . "$SSH_FILE" &>/dev/null
        fi
        # start ssh-agent if it is not running
        if [ -z "$SSH_AUTH_SOCK" ] \
               || ! kill -0 "$SSH_AGENT_PID" &>/dev/null; then
            ssh-agent -s > "$SSH_FILE"
            . "$SSH_FILE" &>/dev/null
            # MAYBE trap 'kill $SSH_AGENT_PID' 0
        fi
        # update environment
        export SSH_AUTH_SOCK
        export SSH_AGENT_PID
    fi

    ## gpg-agent
    if type gpg-agent &>/dev/null; then
        GPG_TTY=$(tty)
        export GPG_TTY
        # SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
        # export GPG_TTY
        # export SSH_AUTH_SOCK
    fi
}

keyagents