First commit.

lisp/utilities/auth-source.el

@@ -0,0 +1,28 @@
+;;; auth-source.el --- Configure Emacs authentication sources -*- lexical-binding: t; -*-
+;;; Commentary:
+;;; Code: https://github.com/emacs-mirror/emacs/blob/master/lisp/auth-source.el
+;;; Doc: https://www.gnu.org/software/emacs/manual/html_mono/auth.html 
+
+(use-package auth-source
+  :disabled
+  :ensure nil
+  :defer
+  :config
+  (validate-setq
+   auth-sources
+   `(,(path-join *user-data-directory* "authinfo.gpg")
+
+     ,(path-join *user-data-directory* "authinfo")))
+
+  (dolist (source auth-sources)
+    (when (file-exists-p source)
+      (set-file-modes source #o0600)))
+
+  (when (eq system-type 'darwin)
+    (add-many-to-list 'auth-sources
+                      'macos-keychain-internet
+                      'macos-keychain-generic)))
+
+
+(provide 'utilities/auth-source)
+;;; auth-source.el ends here