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

@@ -1,38 +1,24 @@
-;; 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
-             :config
-             (autoload 'enable-paredit-mode "paredit" "Turn on pseudo-structural editing of Lisp code." t)
-             (add-hook 'emacs-lisp-mode-hook       #'enable-paredit-mode)
-             (add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode)
-             (add-hook 'ielm-mode-hook             #'enable-paredit-mode)
-             (add-hook 'lisp-mode-hook             #'enable-paredit-mode)
-             (add-hook 'lisp-interaction-mode-hook #'enable-paredit-mode)
-             (add-hook 'scheme-mode-hook           #'enable-paredit-mode))
+  :ensure t
+  :config
+  (autoload 'enable-paredit-mode "paredit" "Turn on pseudo-structural editing of Lisp code." t)
+  (add-hook 'emacs-lisp-mode-hook       #'enable-paredit-mode)
+  (add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode)
+  (add-hook 'ielm-mode-hook             #'enable-paredit-mode)
+  (add-hook 'lisp-mode-hook             #'enable-paredit-mode)
+  (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)
@@ -53,6 +39,6 @@
 
 ;; language server
 (use-package lsp-mode
-             :ensure t
-             :config
-             (add-hook 'rust-mode-hook 'lsp-deferred))
+  :ensure t
+  :config
+  (add-hook 'rust-mode-hook 'lsp-deferred))

.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/gpg.el

@@ -1,3 +1,3 @@
 (use-package pinentry
-             :init
-             (setq epa-pinentry-mode 'loopback))
+  :init
+  (setq epa-pinentry-mode 'loopback))

.emacs.d/config/org.el

@@ -1,5 +1,5 @@
 (use-package org
-             :ensure t
-             :init (setq org-export-backends '(ascii html icalendar latex odt beamer)))
+  :ensure t
+  :init (setq org-export-backends '(ascii html icalendar latex odt beamer)))
 
 (setq org-directory "~/org")

.emacs.d/config/pass.el

@@ -1,8 +1,8 @@
 (use-package ivy-pass
-             :ensure t
-             :init
-             ;; from https://github.com/ecraven/ivy-pass/blob/master/ivy-pass.el
-             (setq password-store-password-length 32))
+  :ensure t
+  :init
+  ;; from https://github.com/ecraven/ivy-pass/blob/master/ivy-pass.el
+  (setq password-store-password-length 32))
 
 ;; configure ivy-pass key binding
 (global-set-key [?\C-x ?p] 'ivy-pass)

.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/config/rust.el

@@ -1,13 +1,13 @@
 (use-package cargo
-             :ensure t
-             :config
-             ;; enable cargo keybindings
-             (add-hook 'rust-mode-hook 'cargo-minor-mode))
+  :ensure t
+  :config
+  ;; enable cargo keybindings
+  (add-hook 'rust-mode-hook 'cargo-minor-mode))
 
 (use-package rust-mode
-             :ensure t
-             :config
-             ;; format code when saving
-             (setq rust-format-on-save t))
+  :ensure t
+  :config
+  ;; format code when saving
+  (setq rust-format-on-save t))
 
 (use-package flycheck-rust :ensure t)

.emacs.d/config/tramp.el

@@ -1,9 +1,9 @@
 (use-package tramp
-             :config
-             (setq tramp-default-method "ssh")
-             (add-to-list 'tramp-methods '("vcsh"
-                                           (tramp-login-program "vcsh")
-                                           (tramp-login-args (("enter")
-                                                              ("%h")))
-                                           (tramp-remote-shell "/bin/sh")
-                                           (tramp-remote-shell-args ("-c")))))
+  :config
+  (setq tramp-default-method "ssh")
+  (add-to-list 'tramp-methods '("vcsh"
+                                (tramp-login-program "vcsh")
+                                (tramp-login-args (("enter")
+                                                   ("%h")))
+                                (tramp-remote-shell "/bin/sh")
+                                (tramp-remote-shell-args ("-c")))))

.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