init.el: Update emacs configuration

Nuke LSP. That shit does not work.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

init.el

@@ -1,32 +1,11 @@
 ;;; init.el --- Initialization file for emacs
 ;;; Commentary: Emacs startup file --- initialization file for emacs
-(require 'package)
+(setq
+  custom-file (concat user-emacs-directory ".emacs-customize.el")
+  require-final-newline t)
 
-(setq package-enable-at-startup nil)
+;; Track emacs load time
-(setq package-archives
+(defconst emacs-start-time (current-time))
-      '(("org"   . "http://orgmode.org/elpa/")
-        ("gnu"   . "http://elpa.gnu.org/packages/")
-        ("melpa" . "https://melpa.org/packages/")))
-(package-initialize)
-
-;; Bootstrap `use-package`
-(unless (package-installed-p 'use-package)
-  (package-refresh-contents)
-  (package-install 'use-package))
-(require 'use-package)
-
-;; Some term enhancement
-(defadvice term-sentinel (around my-advice-term-sentinel (proc msg))
-           (if (memq (process-status proc) '(signal exit))
-             (let ((buffer (process-buffer proc)))
-               ad-do-it
-               (kill-buffer buffer))
-             ad-do-it))
-(ad-activate 'term-sentinel)
-
-(defadvice ansi-term (before force-bash)
-           (interactive (list "/usr/bin/fish")))
-(ad-activate 'ansi-term)
 
 ;; Other configs
 (setq make-backup-files nil)
@@ -39,46 +18,44 @@
 ;; Show matching parens
 (setq show-paren-delay 0)
 (show-paren-mode 1)
-
+(electric-pair-mode 1)
-;; Paragraph movement
-(global-set-key (kbd "s-j") 'forward-paragraph)
-(global-set-key (kbd "s-k") 'backward-paragraph)
-
-;; Keybinding for term mode
-(add-hook 'term-mode
-          (lambda () (global-set-key (kbd "s-v") 'term-paste)))
-
-;; OrgMode Configs
-(setq org-html-validation-link nil)
-(setq org-todo-keywords
-      '((sequence "TODO" "WORKING" "HOLD" "|" "DONE")))
-(setq org-todo-keyword-faces
-      '(("TODO"    . "blue")
-	("WORKING" . "yellow")
-	("HOLD"    . "red")
-	("DONE"    . "green")))
 
 ;; UI configurations
 (if (display-graphic-p)
   (progn
     (tool-bar-mode -1)
-    (scroll-bar-mode -1)
+    (scroll-bar-mode -1)))
-    )
-  )
 (tooltip-mode     -1)
 (menu-bar-mode    -1)
 (global-linum-mode 1)
 
+;; Font configurations
 (add-to-list 'default-frame-alist '(font . "Iosevka-14"))
 (add-to-list 'default-frame-alist '(height . 24))
 (add-to-list 'default-frame-alist '(width . 80))
 
-;; Vim mode
+;;; Package Management
-(use-package evil
+(require 'package)
-             :ensure t
+(setq package-enable-at-startup nil)
-             :config
+(setq package-archives
-             (evil-mode 1))
+      '(("org"   . "http://orgmode.org/elpa/")
+        ("gnu"   . "http://elpa.gnu.org/packages/")
+        ("melpa" . "https://melpa.org/packages/")))
+(package-initialize)
 
+;; Bootstrap `use-package`
+(unless (package-installed-p 'use-package)
+  (package-refresh-contents)
+  (package-install 'use-package))
+(eval-when-compile
+  (require 'use-package))
+
+;; always download all packages if not already downloaded
+(setq use-package-always-ensure t)
+;; keep stats about packages
+(setq use-package-compute-statistics t)
+; no longer included with use-package by default
+(use-package diminish)
 (use-package auto-package-update
              :ensure t
              :config
@@ -86,6 +63,45 @@
                    auto-package-update-interval 4)
              (auto-package-update-maybe))
 
+;; Restart emacs from within emacs
+(use-package restart-emacs
+             :ensure t)
+
+;; Theme
+(use-package doom-themes
+             :ensure t
+             :config
+             (load-theme 'doom-molokai t))
+
+;; Auto enforced consistence
+(use-package editorconfig
+             :diminish "↹"
+             :init
+             (setq auto-mode-alist
+                   (cl-union auto-mode-alist
+                             '(("\\.editorconfig\\'" . editorconfig-conf-mode)
+                               ("editorconfig\\'"  . editorconfig-conf-mode))))
+             :config
+             (editorconfig-mode 1))
+
+(use-package smartparens
+             :hook ((prog-mode-hook) . smartparens-mode)
+             :config
+             (require 'smartparens-config))
+
+(use-package aggressive-indent
+             :diminish "⇉"
+             :config
+             (global-aggressive-indent-mode t))
+
+(use-package fzf
+             :ensure t)
+
+;; Vim mode
+(use-package evil
+             :ensure t
+             :config
+             (evil-mode 1))
 (use-package evil-escape
              :ensure t
              :init
@@ -103,12 +119,6 @@
              (global-set-key [remap query-replace]
                              'anzu-query-replace))
 
-;; Theme
-(use-package doom-themes
-             :ensure t
-             :config
-             (load-theme 'doom-molokai t))
-
 ;; Helm
 (use-package helm
              :ensure t
@@ -129,10 +139,8 @@
                    helm-autoresize-min-height 20)
              :config
              (helm-mode 1))
-
 ;; RipGrep
 (use-package helm-rg :ensure t)
-
 ;; Projectile
 (use-package projectile
              :ensure t
@@ -140,7 +148,6 @@
              (setq projectile-require-project-root nil)
              :config
              (projectile-mode 1))
-
 ;; Helm Projectile
 (use-package helm-projectile
              :ensure t
@@ -148,7 +155,6 @@
              (setq helm-projectile-fuzzy-match t)
              :config
              (helm-projectile-on))
-
 ;; Helm Gtags
 (use-package helm-gtags
              :defer t
@@ -161,16 +167,17 @@
                      helm-gtags-use-input-at-cursor t
                      helm-gtags-pulse-at-cursor t)
                (add-hook 'c-mode-hook 'helm-gtags-mode)))
+(defun helm-gtags-dwim-other-window ()
+  ;; Enable helm-gtags-dwim in the other window
+  (interactive)
+  (let ((helm-gtags--use-otherwin t)
+        (split-height-threshold nil)
+        (split-width-threshold 140))
+    (helm-gtags-dwim)))
 
 ;; All The Icons
 (use-package all-the-icons :ensure t)
 
-;; NeoTree
-(use-package neotree
-             :ensure t
-             :init
-             (setq neo-theme (if (display-graphic-p) 'icons 'arrow)))
-
 ;; Which Key
 (use-package which-key
              :ensure t
@@ -180,47 +187,6 @@
              :config
              (which-key-mode))
 
-;; Restart emacs from within emacs
-(use-package restart-emacs
-             :ensure t)
-
-;; For Haskell & Rust Support
-(use-package haskell-mode
-             :ensure t
-             :custom
-             (haskell-stylish-on-save t)
-             (haskell-process-suggest-remove-import-lines t))
-(use-package lsp-mode
-             :ensure t
-             :commands lsp)
-(use-package lsp-ui
-             :ensure t
-             :after lsp-mode
-             :hook
-             ((lsp-mode . lsp-ui-mode)
-              (lsp-ui-mode . lsp-ui-peek-mode)
-              (haskell-mode . lsp-haskell-enable)
-              (haskell-mode . flycheck-mode)
-              (rust-mode . lsp-rust-enable)
-              (rust-mode . flycheck-mode)
-              (python-mode . lsp-python-enable)
-              (python-mode . flycheck-mode)
-              ))
-(use-package company-lsp
-             :commands company-lsp
-             :config
-             (push 'company-lsp company-backends))
-
-(use-package lsp-haskell
-             :defer t
-             :ensure t
-             :config
-             (setq lsp-haskell-process-path-hie "hie-wrapper"))
-
-(use-package rust-mode
-             :defer t
-             :ensure t)
-
 ;; Git Support
 (use-package magit
              :defer t
@@ -252,6 +218,15 @@
 ;; Custom keybinding
 (use-package general
              :ensure t
+             :init
+             (setq general-override-states '(insert
+                                              emacs
+                                              hybrid
+                                              normal
+                                              visual
+                                              motion
+                                              operator
+                                              replace))
              :config (general-define-key
                        :states '(normal visual insert emacs)
                        :prefix "SPC"
@@ -261,6 +236,7 @@
                        "TAB" '(switch-to-prev-buffer
                                 :which-key "previous buffer")
                        "SPC" '(helm-M-x :which-key "M-x")
+                       "ff"  '(fzf :which-key "fuzzy file search")
                        "pf"  '(helm-projectile-find-file
                                 :which-key "find files")
                        "pp"  '(helm-projectile-switch-project
@@ -282,8 +258,6 @@
                        "qz"  '(delete-frame :which-key "delete frame")
                        "qq"  '(kill-emacs :which-key "quit")
                        "qr"  '(restart-emacs :which-key "restart emacs")
-                       ;; NeoTree
-                       "ft"  '(neotree-toggle :which-key "toggle neotree")
                        ;; Others
                        "at"  '(ansi-term :which-key "open terminal")
                        ;; Gtags
@@ -329,8 +303,8 @@
                        "gU"  '(magit-unstage-file "magit unstage file")
                        "g/"  '(helm-git-grep :which-key "open helm git grep")
                        "g*"  '(helm-git-grep-at-point
-                                :which-key "open helm git grep at point")
+                                :which-key "open helm git grep at point")))
-                       ))
+
 
 ;; Fancy titlebar for MacOS
 (add-to-list 'default-frame-alist '(ns-transparent-titlebar . t))
@@ -348,7 +322,9 @@
 ;; Company mode
 (use-package company
              :ensure t
+             :diminish "⇥"
              :init
+             (add-hook 'after-init-hook 'global-company-mode)
              (setq company-minimum-prefix-length 3)
              (setq company-auto-complete nil)
              (setq company-idle-delay 0)
@@ -380,6 +356,10 @@
    (let ((completion-at-point-functions completion-at-point-functions-saved))
      (company-complete-common))))
 
+(use-package company-quickhelp
+             :init
+             (company-quickhelp-mode 1))
+
 ;; Powerline
 (use-package spaceline
              :ensure t
@@ -391,47 +371,46 @@
              (spaceline-toggle-buffer-size-off)
              (spaceline-toggle-evil-state-on))
 
-;;;;;;;;;;;;;;;;;;;;;;;
+;; Language Support
-;; Language Supports ;;
+(use-package company-ghci
-;;;;;;;;;;;;;;;;;;;;;;;
+             :defer t
+             :config
+             (push 'haskell-mode-hook 'company-mode)
+             :hook
+             ((haskell-interactive-mode . company-mode)))
+(use-package haskell-mode
+             :defer t
+             :config
+             (push 'company-ghci company-backends)
+             :hook
+             ((haskell-mode . hindent-mode)
+              (haskell-mode . company-mode))
+             :custom
+             ((haskell-stylish-on-save t)
+              (haskell-process-suggest-remove-import-lines t)))
+(use-package flycheck-haskell
+             :defer t
+             :hook
+             (haskell-mode . flycheck-haskell-setup))
+(use-package intero
+             :defer t
+             :config
+             (intero-global-mode 1))
+(use-package hindent
+             :defer t)
+(use-package hlint-refactor
+             :defer t)
 
-;;; C
+(use-package rust-mode
-(defun c-lineup-arglist-tabs-only (ignored)
+             :defer t
-  "Line up argument lists by tabs, not spaces"
+             :ensure t
-  (let* ((anchor (c-langelem-pos c-syntactic-element))
+             :config
-         (column (c-langelem-2nd-pos c-syntactic-element))
+             (setq rust-format-on-save t))
-         (offset (- (1+ column) anchor))
+(use-package racer
-         (steps (floor offset c-basic-offset)))
+             :ensure t
-    (* (max steps 1)
+             :hook
-       c-basic-offset)))
+             ((rust-mode . racer-mode)
-
+              (racer-mode . eldoc-mode)
-(add-hook 'c-mode-common-hook
+              (racer-mode . company-mode)))
-          (lambda ()
-            ;; Add kernel style
-            (c-add-style
-              "linux-tabs-only"
-              '("linux" (c-offsets-alist
-                          (arglist-cont-nonempty
-                            c-lineup-gcc-asm-reg
-                            c-lineup-arglist-tabs-only))))))
-
-(add-hook 'c-mode-hook
-          (lambda ()
-            (let ((filename (buffer-file-name)))
-            ;; Enable kernel mode for the appropriate files
-            (when (and filename
-                       (string-match (expand-file-name "~/ged4k/linux-xlnx")
-                                     filename))
-              (setq indent-tabs-mode t)
-              (setq show-trailing-whitespace t)
-              (c-set-style "linux-tabs-only")))))
-
-(defun helm-gtags-dwim-other-window ()
-  ;; Enable helm-gtags-dwim in the other window
-  (interactive)
-  (let ((helm-gtags--use-otherwin t)
-        (split-height-threshold nil)
-        (split-width-threshold 140))
-    (helm-gtags-dwim)))
 
 ;;; init.el ends