dev: Improve displaying parenthesis

Add two modes `highlight-parentheses` and `rainbow-delimiters` to
improve the readability when several level of parenthesis are
involved.

.emacs.d/config/backups.el

@@ -1,5 +1,6 @@
 ;; configure backups
-(setq backup-directory-alist '(("." . "~/.emacs.d/backups/"))
+(setq backup-directory-alist '(("." . "~/.emacs.d/backups/")
+                               ("/dev/shm" . "/dev/null"))
       backup-by-copying t
       delete-old-versions t
       kept-new-versions 16

.emacs.d/config/base.el

@@ -82,3 +82,7 @@
 ;; configure theme
 (custom-set-variables
  '(custom-enabled-themes (quote (tango-dark))))
+
+;; configur authinfo file
+(setq auth-sources
+      '((:source "~/.authinfo.gpg")))

.emacs.d/config/dev.el

@@ -1,27 +1,3 @@
-;; magit
-(use-package magit
-             :ensure t
-             :init
-             ;; (taken from :open https://r0tty.org/git/dotfiles/emacs/tree/.emacs.d/config/development.el)
-             (defun vcsh (repo)
-               "Invoke magit on a vcsh repo. This requires an appropriate entry in `tramp-methods'."
-               (interactive (let ((repos (delq nil
-                                               (mapcar #'(lambda (name)
-                                                           (if (string-match ".git$" name)
-                                                               (substring name 0 -4)
-                                                             nil))
-                                                       (directory-files "~/.config/vcsh/repo.d")))))
-                              (list (completing-read "Repository: " repos nil t))))
-               (magit-status-internal (format "/vcsh:%s:" repo)))
-             :config
-             ;; Turn on flyspell when writing commit messages
-             (add-hook 'git-commit-setup-hook 'git-commit-turn-on-flyspell))
-
-;; use ripgrep in emacs
-(use-package deadgrep
-             :ensure t
-             :bind ("M-s d" . deadgrep))
-
 ;; paredit
 (use-package paredit
   :ensure t
@@ -34,6 +10,16 @@
   (add-hook 'lisp-interaction-mode-hook #'enable-paredit-mode)
   (add-hook 'scheme-mode-hook           #'enable-paredit-mode))
 
+(use-package highlight-parentheses
+  :ensure t
+  :config
+  (global-highlight-parentheses-mode t))
+
+(use-package rainbow-delimiters
+  :ensure t
+  :config
+  (add-hook 'prog-mode-hook #'rainbow-delimiters-mode))
+
 ;; Hack to show only files known to git inside dired; needs the
 ;; `git-find' shell script shim (taken from :open https://r0tty.org/git/dotfiles/emacs/tree/.emacs.d/config/development.el)
 (defun git-dired (dir)

.emacs.d/config/git.el

@@ -0,0 +1,18 @@
+;; magit
+(use-package magit
+  :ensure t
+  :init
+  ;; (taken from :open https://r0tty.org/git/dotfiles/emacs/tree/.emacs.d/config/development.el)
+  (defun vcsh (repo)
+    "Invoke magit on a vcsh repo. This requires an appropriate entry in `tramp-methods'."
+    (interactive (let ((repos (delq nil
+                                    (mapcar #'(lambda (name)
+                                                (if (string-match ".git$" name)
+                                                    (substring name 0 -4)
+                                                  nil))
+                                            (directory-files "~/.config/vcsh/repo.d")))))
+                   (list (completing-read "Repository: " repos nil t))))
+    (magit-status-internal (format "/vcsh:%s:" repo)))
+  :config
+  ;; Turn on flyspell when writing commit messages
+  (add-hook 'git-commit-setup-hook 'git-commit-turn-on-flyspell))

.emacs.d/config/ripgrep.el

@@ -0,0 +1,4 @@
+;; use ripgrep in emacs
+(use-package deadgrep
+  :ensure t
+  :bind ("M-s d" . deadgrep))

.emacs.d/init.el

@@ -57,7 +57,7 @@ symbols, which are converted to strings, and suffixed with \".el\"."
   :group 'config-snippets
   :type '(repeat directory))
 
-(setq config-snippets '(base backups c calendar dev functions gpg org pass rust wl yaml))
+(setq config-snippets '(base backups c calendar dev functions git gpg org pass ripgrep rust wl yaml))
 
 (message "Loading\nconfig-snippets: %s\nconfig-snippets-path: %s" config-snippets config-snippet-path)
 (dolist (snippet config-snippets)

.gitignore.d/emacs

@@ -5,9 +5,11 @@
 !/.emacs.d/config/c.el
 !/.emacs.d/config/dev.el
 !/.emacs.d/config/functions.el
+!/.emacs.d/config/git.el
 !/.emacs.d/config/gpg.el
 !/.emacs.d/config/org.el
 !/.emacs.d/config/pass.el
+!/.emacs.d/config/ripgrep.el
 !/.emacs.d/config/rust.el
 !/.emacs.d/config/tramp.el
 !/.emacs.d/config/yaml.el