fish path entries only if they exist

fish/.config/fish/config.fish

@@ -6,11 +6,20 @@ set -g theme_nerd_fonts yes
 set -g theme_color_scheme dark
 set -g theme_display_date no
 
-set -x MAIL /home/ben/Maildir
-
-set -x GOPATH (/usr/local/go/bin/go env GOPATH)
-
-set -x fish_user_paths $fish_user_paths ~/bin /usr/local/go/bin ~/.yarn/bin $GOPATH/bin ~/.local/bin ~/.cargo/bin
+if test -d ~/Maildir
+  set -x MAIL ~/Maildir
+end
+
+if test -d /usr/local/go
+  set -x GOPATH (/usr/local/go/bin/go env GOPATH)
+end
+
+set user_paths ~/bin /usr/local/go/bin ~/.yarn/bin $GOPATH/bin ~/.local/bin ~/.cargo/bin /snap/bin
+for path in $user_paths
+  if test -d $path
+    set -x fish_user_paths $fish_user_paths $path
+  end
+end
 
 set -x SSH_AGENT_PID ""
 set -x SSH_AUTH_SOCK (gpgconf --list-dirs agent-ssh-socket)

gnupg/.gnupg/gpg-agent.conf

@@ -1,3 +1,5 @@
 enable-ssh-support
 keep-display
 
+default-cache-ttl 300
+max-cache-ttl 1200