-export GPG_TTY=$(tty)
-if [[ ! -v SSH_AUTH_SOCK ]] {
- # set up SSH auth socket and start GPG agent
- export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
+if (( ${+commands[gpg]} )); {
+ export GPG_TTY=$(tty)
+ if [[ ! -v SSH_AUTH_SOCK ]] {
+ # set up SSH auth socket and start GPG agent
+ export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
+ }
+ gpg-connect-agent updatestartuptty /bye >/dev/null