Make scratch buffer major mode configurable

core/core-dotspacemacs.el

@@ -83,6 +83,9 @@ banner, `random' chooses a random text banner in `core/banners'
 directory. A string value must be a path to a .PNG file.
 If the value is nil then no banner is displayed.")
 
+(defvar dotspacemacs-scratch-mode 'text-mode
+  "Default major mode of the scratch buffer.")
+
 (defvar dotspacemacs-check-for-update t
   "If non nil then spacemacs will check for updates at startup
 when the current branch is not `develop'")

core/core-spacemacs.el

@@ -173,6 +173,9 @@
                                          "`dotspacemacs/user-config'"))
        (dotspacemacs|call-func dotspacemacs/config
                                "Calling dotfile user config..."))
+     (when (fboundp dotspacemacs-scratch-mode)
+       (with-current-buffer "*scratch*"
+         (funcall dotspacemacs-scratch-mode)))
      ;; from jwiegley
      ;; https://github.com/jwiegley/dot-emacs/blob/master/init.el
      (let ((elapsed (float-time

core/templates/.spacemacs.template

@@ -90,6 +90,8 @@ values."
    ;; Number of recent files to show in the startup buffer. Ignored if
    ;; `dotspacemacs-startup-lists' doesn't include `recents'. (default 5)
    dotspacemacs-startup-recent-list-size 5
+   ;; Default major mode of the scratch buffer (default `text-mode')
+   dotspacemacs-scratch-mode 'text-mode
    ;; List of themes, the first of the list is loaded when spacemacs starts.
    ;; Press <SPC> T n to cycle to the next theme in the list (works great
    ;; with 2 themes variants, one dark and one light)