Merge pull request #73 from daviderestivo/dev

Remove unneeded gnu-elpa-keyring-update use-package section and improve commentary

init.el

@@ -62,8 +62,8 @@
 (when (boundp 'galactic-emacs-pdumper-dumped)
  ;; Restore `load-path'
  (setq load-path galactic-emacs-pdumper-load-path)
- ;; When Emacs starts from dump file, some default modes are not
- ;; enabled
+ ;; When Emacs starts from a dump file, some default modes are not
+ ;; enabled by default
  (global-font-lock-mode)
  (transient-mark-mode))
 
@@ -95,21 +95,30 @@
 
 ;; Bootstrap `gnu-elpa-keyring-update'
 ;;
-;; If your keys are already too old, causing signature verification
-;; errors when installing packages, then in order to install this
-;; package you have to temporarily disable signature verification
-;; (see variable `package-check-signature') :-(
+;; This package updates the GPG keys used by the ELPA package manager
+;; (a.k.a `package.el') to verify authenticity of packages downloaded
+;; from the GNU ELPA archive.
 (unless (package-installed-p 'gnu-elpa-keyring-update)
+ ;; If your keys are already too old, causing signature verification
+ ;; errors when installing packages, then in order to install this
+ ;; package you have to temporarily disable signature verification
+ ;; (see variable `package-check-signature') :-(
  (let ((package-check-signature nil))
  (package-refresh-contents)
  (package-install 'gnu-elpa-keyring-update)
  ;; The below assumes gpg is installed in `/usr/local/bin'
  (setq epg-gpg-program "/usr/local/bin/gpg")
  (setq package-gnupghome-dir
  (expand-file-name "elpa/gnupg" user-emacs-directory))
+ (setq package-check-signature
+ (when (executable-find "gpg") 'allow-unsigned))
  (gnu-elpa-keyring-update)))
 
 ;; Bootstrap `use-package'
+;;
+;; The use-package macro allows you to isolate package configuration
+;; in your .emacs file in a way that is both performance-oriented and,
+;; well, tidy.
 (unless (package-installed-p 'use-package)
  (package-refresh-contents)
  (package-install 'use-package)
@@ -128,25 +137,15 @@
 (setq use-package-compute-statistics t)
 
 ;; Bootstrap `diminish'
+;;
+;; This package implements hiding or abbreviation of the mode line
+;; displays (lighters) of minor-modes.
 (unless (package-installed-p 'diminish)
  (package-refresh-contents)
  (package-install 'diminish))
 (eval-when-compile
  (require 'diminish))
 
-;; gnu-elpa-keyring-update
-;;
-;; This package updates the GPG keys used by the ELPA package manager
-;; (a.k.a `package.el') to verify authenticity of packages downloaded
-;; from the GNU ELPA archive.
-(use-package gnu-elpa-keyring-update
- :ensure t
- :init
- (setq package-check-signature
- (when (executable-find "gpg") 'allow-unsigned))
- :config
- (gnu-elpa-keyring-update))
-
 ;; system-packages
 (use-package system-packages
  :ensure t