.zsh-gpg

envfile="$HOME/.gnupg/gpg-agent.env"

# via http://superuser.com/questions/691395/git-tag-with-gpg-agent-and-pinentry-curses
if [[ -e "$envfile" ]] && kill -0 $(grep GPG_AGENT_INFO "$envfile" | cut -d: -f 2) 2>/dev/null; then
    # (sending the signal 0 to a given PID just checks if any process with the given PID is running)
    eval "$(cat $envfile)"
    export GPG_AGENT_INFO  # the env file does not contain the export statement
else
    command -v gpg-agent >/dev/null 2>&1 && \
    eval "$(gpg-agent --daemon --write-env-file "$envfile")"
fi

export GPG_TTY=$(tty)