[fasd] Revise layer

Add missing standard headers
Make funcs.el define only functions
and move init code for ivy into
fasd-init function.

layers/+tools/fasd/funcs.el

@@ -1,10 +1,12 @@
-(with-eval-after-load 'fasd
-  (defun ivy-search-from-action (x)
-    (if (file-directory-p x)
-        (spacemacs/counsel-search dotspacemacs-search-tools nil x)
-      (message "Selected item is not a directory path")))
-  
-  (ivy-set-actions
-   'fasd-find-file
-   '(("o" fasd-find-file-action "find-file")
-     ("s" ivy-search-from-action "search-from"))))
+;;; funcs.el --- fasd Layer packages File for Spacemacs
+;;
+;; URL: https://github.com/syl20bnr/spacemacs
+;;
+;; This file is not part of GNU Emacs.
+;;
+;;; License: GPLv3
+
+(defun ivy-search-from-action (x)
+  (if (file-directory-p x)
+      (spacemacs/counsel-search dotspacemacs-search-tools nil x)
+    (message "Selected item is not a directory path")))

layers/+tools/fasd/packages.el

@@ -1,11 +1,17 @@
-(setq fasd-packages
-      '((helm-fasd :requires helm
-                   :location (recipe :repo "ajsalminen/helm-fasd"
-                                     :fetcher github
-                                     :files ("*.el")))
-        (fasd :toggle (not (configuration-layer/layer-used-p 'helm)))))
-
+;;; packages.el --- fasd Layer packages File for Spacemacs
+;;
+;; URL: https://github.com/syl20bnr/spacemacs
+;;
+;; This file is not part of GNU Emacs.
+;;
+;;; License: GPLv3
 
+(defconst fasd-packages
+  '((helm-fasd :requires helm
+               :location (recipe :repo "ajsalminen/helm-fasd"
+                                 :fetcher github
+                                 :files ("*.el")))
+    (fasd :toggle (not (configuration-layer/layer-used-p 'helm)))))
 
 (defun fasd/init-fasd ()
   "initializes fasd-emacs and adds a key binding to `SPC f z'"
@@ -26,6 +32,12 @@
       (spacemacs/set-leader-keys "faf" 'fasd-find-file-only)
       (spacemacs/set-leader-keys "fas" 'fasd-find-file)
 
+      (when (configuration-layer/layer-used-p 'ivy)
+        (ivy-set-actions
+         'fasd-find-file
+         '(("o" fasd-find-file-action "find-file")
+           ("s" ivy-search-from-action "search-from"))))
+
       ;; we will fall back to using the default completing-read function, which is helm once helm is loaded.
       (setq fasd-completing-read-function 'nil))))