Make Rust config the best ever

custom.el

@@ -5,7 +5,9 @@
  ;; If there is more than one, they won't work right.
  '(ffap-machine-p-known (quote reject))
  '(org-agenda-files (quote ("~/dev/personal.todo")))
- '(package-selected-packages (quote (helm-lsp htmlize ein-mumamo use-package))))
+ '(package-selected-packages (quote (helm-lsp htmlize ein-mumamo rustic use-package))))
+ '(lsp-rust-analyzer-macro-expansion-method (quote rustic-analyzer-macro-expand))
+ '(rustic-lsp-server (quote rust-analyzer))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.

init.el

@@ -1,18 +1,24 @@
 ;; Configure emacs packages.
 (require 'package)
-(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
+(setq package-archives
+      '(("org"     .       "https://orgmode.org/elpa/")
+        ("gnu"     .       "https://elpa.gnu.org/packages/")
+        ("melpa"   .       "https://melpa.org/packages/")))
 (package-initialize)
+;(package-refresh-contents)
 
-(when (not (package-installed-p 'use-package))
-      (package-refresh-contents)
+;; Use-package for civilized configuration
+(unless (package-installed-p 'use-package)
   (package-install 'use-package))
 (require 'use-package)
+(setq use-package-always-ensure t)
 
 (setq dotfiles-dir
       (file-name-directory
         (or (buffer-file-name) (file-chase-links load-file-name))))
+(setq modules-path (concat dotfiles-dir "modules"))
 
-(add-to-list 'load-path (concat dotfiles-dir "modules"))
+(add-to-list 'load-path modules-path)
 
 ;; Emacs customization / global plugin configuration
 (require 'jenga-init)
@@ -20,11 +26,18 @@
 (require 'jenga-org)
 (require 'jenga-ui)
 
-;; Custom languages and highlighting
 (require 'jenga-elm)
+(require 'jenga-python)
 (require 'jenga-rust)
 (require 'jenga-systemd)
-(require 'jenga-python)
+
+;;(add-hook 'find-file-hook #'load-module)
+;;(defun load-module ()
+;;  (when (stringp buffer-file-name)
+;;        (cond ((string-match "\\.elm\\'" buffer-file-name) (require 'jenga-elm))
+;;              ((string-match "\\.py\\'" buffer-file-name) (require 'jenga-python))
+;;              ((string-match "\\.rs\\'" buffer-file-name) (require 'jenga-rust))
+;;              ((string-match "\\.service\\'" buffer-file-name) (require 'jenga-systemd)))))
 
 (setq custom-file "~/.emacs.d/custom.el")
 (load custom-file)

modules/jenga-init.el

@@ -20,6 +20,30 @@
 (global-set-key (kbd "S-C-j") 'shrink-window)
 (global-set-key (kbd "S-C-k") 'enlarge-window)
 
+(use-package which-key
+  :diminish
+  :config
+  (which-key-mode)
+  (which-key-setup-side-window-bottom)
+  (setq which-key-idle-delay 0.1))
+
+(use-package diminish
+  :defer 5
+  :config
+  (diminish 'org-indent-mode))
+
+;; Note that ‘uniquify’ is builtin.
+(require 'uniquify)
+(setq uniquify-separator "/"               ;; The separator in buffer names.
+      uniquify-buffer-name-style 'forward) ;; names/in/this/style
+
+(use-package rg
+  :config
+  (global-set-key (kbd "M-s g") 'rg)
+  (global-set-key (kbd "M-s d") 'rg-dwim))
+
+(use-package helm-rg)
+
 ;;;; Company configuration.
 (use-package company
   :ensure t
@@ -48,7 +72,7 @@
     (evil-mode)
     (setq evil-want-C-u-scroll t)
     (eval-after-load "evil-maps"
-      ;; Unset Evil's "M-." keymap so that TAGS definitions can be followed.
+      ;; Unset Evil's "M-." keymap to enable symbol definition following.
       (define-key evil-normal-state-map "\M-." nil)))
 
 (use-package undo-tree

modules/jenga-python.el

@@ -1,14 +1,4 @@
 ;;;; Python configuration.
-(use-package jupyter
-    :ensure t)
-(use-package ein
-    :ensure t)
-(use-package py-autopep8
-    :ensure t)
-(use-package yasnippet
-    :ensure t)
-(use-package jedi
-    :ensure t)
 (use-package elpy
     :ensure t
     :init
@@ -21,6 +11,16 @@
           python-indent-offset 4
           python-shell-interpreter-args "console --simple-prompt"
           python-shell-prompt-detect-failure-warning nil)
+    (use-package jupyter
+        :ensure t)
+    (use-package ein
+        :ensure t)
+    (use-package py-autopep8
+        :ensure t)
+    (use-package yasnippet
+        :ensure t)
+    (use-package jedi
+        :ensure t)
     ;; Use IPython for REPL
     (add-to-list 'python-shell-completion-native-disabled-interpreters
                  "jupyter")

modules/jenga-rust.el

@@ -1,5 +1,9 @@
 ;;;; Rust mode configuration.
 ;; Add rust load hooks.
+(use-package rustic
+  :config
+  (setq rustic-flycheck-clippy-params "--message-format=json"))
+
 (use-package flycheck
   :hook (prog-mode . flycheck-mode))
 
@@ -14,28 +18,17 @@
 
 (use-package lsp-ui
   :commands lsp-ui-mode
+  :config (setq lsp-ui-peek-enable t)
   :bind (:map lsp-ui-mode-map
           ("M-."     . lsp-ui-peek-find-definitions)
           ("M-,"     . lsp-ui-peek-jump-backward)
           ("M-?"     . lsp-ui-peek-find-references)
           ("C-c u"   . lsp-ui-imenu)
-                         ("C-c C-a" . lsp-ui-sideline-apply-code-actions))
-             :config (setq lsp-ui-peek-enable t))
+          ("C-c C-a" . lsp-ui-sideline-apply-code-actions)))
 
-(use-package rust-mode
+(use-package helm-lsp
   :config
-             (setq rust-format-on-save t)
-             :hook (rust-mode . lsp))
-
-(use-package lsp-rust
-             :after lsp-mode
-             :config
-             (setq lsp-rust-server 'rust-analyzer))
-
-
-;; Add keybindings for interacting with Cargo
-(use-package cargo
-             :hook (rust-mode . cargo-minor-mode))
+  (define-key lsp-mode-map [remap xref-find-apropos] #'helm-lsp-workspace-symbol))
 
 (use-package flycheck-rust
   :config (add-hook 'flycheck-mode-hook #'flycheck-rust-setup))