emacs: let emacs automagically find the right terminal emulator.

For now I added termite and urxvt.

emacs/.emacs.d/init.el

@@ -68,6 +68,11 @@
         (height . 40)
         ))
 
+;; Select correct terminal application
+(setq terminal-emulator
+      (find-if #'executable-find
+               (list "termite" "urxvt")))
+
 ;; Use cperl-mode instead of perl-mode
 (defalias 'perl-mode 'cperl-mode)
 
@@ -467,7 +472,10 @@
 ;; Quickly open external terminal
 (use-package terminal-here
   :ensure t
-  :bind ("C-x t" . terminal-here-launch))
+  :bind ("C-x t" . terminal-here-launch)
+  :config
+  (setq terminal-here-terminal-command
+        (list terminal-emulator)))
 
 ;; swiper
 (use-package swiper