[systemd] Make emacs service work

systemd/.config/systemd/user/emacs.service

@@ -1,12 +1,17 @@
 [Unit]
-Description=Emacs: the extensible, self-documenting text editor
+Description=Emacs text editor (daemon)
+Documentation=info:emacs man:emacs(1) https://gnu.org/software/emacs/
+After=graphical.target
 
 [Service]
 Type=forking
-ExecStart=/usr/local/bin/emacs --daemon
-ExecStop=/usr/local/bin/emacsclient --eval "(kill-emacs)"
-Environment=SSH_AUTH_SOCK=%t/keyring/ssh
+ExecStart=/usr/bin/emacs --daemon
+ExecStop=/usr/bin/emacsclient --eval "(kill-emacs)"
 Restart=on-failure
 
+# Make sure it uses your session environment
+Environment=DISPLAY=:0
+Environment=XAUTHORITY=%h/.Xauthority
+
 [Install]
-WantedBy=default.target
+WantedBy=graphical-session.target