+* Editing
+
+** Company
+
+#+begin_src emacs-lisp
+(use-package company
+ :defer 5
+ :bind
+ (:map company-active-map
+ ([tab] . company-complete-common-or-cycle))
+ :custom
+ (company-idle-delay 0.3)
+ (company-minimum-prefix-length 1)
+ (company-selection-wrap-around t)
+ (company-dabbrev-char-regexp "\\sw\\|\\s_\\|[-_]")
+ :config
+ (global-company-mode t))
+#+end_src
+
+* Syntax and spell checking
+#+begin_src emacs-lisp
+(use-package flycheck
+ :hook (prog-mode . flycheck-mode)
+ :config
+ ;; Use the load-path from running Emacs when checking elisp files
+ (setq flycheck-emacs-lisp-load-path 'inherit)
+
+ ;; Only flycheck when I actually save the buffer
+ (setq flycheck-check-syntax-automatically '(mode-enabled save)))
+#+end_src
+* Programming modes
+
+** [[https://github.com/leanprover/lean-mode][Lean]]
+
+#+begin_src emacs-lisp
+(use-package lean-mode
+ :bind (:map lean-mode-map
+ ("S-SPC" . company-complete)))
+#+end_src
+
+** Haskell
+
+*** [[https://github.com/haskell/haskell-mode][haskell-mode]]
+
+#+begin_src emacs-lisp
+(use-package haskell-mode
+ :config
+ (setq haskell-indentation-layout-offset 4
+ haskell-indentation-left-offset 4
+ flycheck-checker 'haskell-hlint
+ flycheck-disabled-checkers '(haskell-stack-ghc haskell-ghc)))
+#+end_src
+
+*** [[https://github.com/jyp/dante][dante]]
+
+#+begin_src emacs-lisp
+(use-package dante
+ :after haskell-mode
+ :commands dante-mode
+ :hook (haskell-mode . dante-mode))
+#+end_src
+
+*** [[https://github.com/mpickering/hlint-refactor-mode][hlint-refactor]]
+
+Emacs bindings for [[https://github.com/ndmitchell/hlint][hlint]]'s refactor option. This requires the refact
+executable from [[https://github.com/mpickering/apply-refact][apply-refact]].
+
+#+begin_src emacs-lisp
+(use-package hlint-refactor
+ :bind (:map hlint-refactor-mode-map
+ ("C-c l b" . hlint-refactor-refactor-buffer)
+ ("C-c l r" . hlint-refactor-refactor-at-point))
+ :hook (haskell-mode . hlint-refactor-mode))
+#+end_src
+
+*** [[https://github.com/flycheck/flycheck-haskell][flycheck-haskell]]
+
+#+begin_src emacs-lisp
+(use-package flycheck-haskell)
+#+end_src
+
+*** [[https://github.com/ndmitchell/hlint/blob/20e116a043f2073c57b17b24ae6364b5e433ba7e/data/hs-lint.el][hs-lint.el]]
+:PROPERTIES:
+:header-args+: :tangle lisp/hs-lint.el :mkdirp yes
+:END:
+
+Currently using =flycheck-haskell= with the =haskell-hlint= checker
+instead.
+
+#+begin_src emacs-lisp :tangle no
+;;; hs-lint.el --- minor mode for HLint code checking
+
+;; Copyright 2009 (C) Alex Ott
+;;
+;; Author: Alex Ott <alexott@gmail.com>
+;; Keywords: haskell, lint, HLint
+;; Requirements:
+;; Status: distributed under terms of GPL2 or above
+
+;; Typical message from HLint looks like:
+;;
+;; /Users/ott/projects/lang-exp/haskell/test.hs:52:1: Eta reduce
+;; Found:
+;; count1 p l = length (filter p l)
+;; Why not:
+;; count1 p = length . filter p
+
+
+(require 'compile)
+
+(defgroup hs-lint nil
+ "Run HLint as inferior of Emacs, parse error messages."
+ :group 'tools
+ :group 'haskell)
+
+(defcustom hs-lint-command "hlint"
+ "The default hs-lint command for \\[hlint]."
+ :type 'string
+ :group 'hs-lint)
+
+(defcustom hs-lint-save-files t
+ "Save modified files when run HLint or no (ask user)"
+ :type 'boolean
+ :group 'hs-lint)
+
+(defcustom hs-lint-replace-with-suggestions nil
+ "Replace user's code with suggested replacements"
+ :type 'boolean
+ :group 'hs-lint)
+
+(defcustom hs-lint-replace-without-ask nil
+ "Replace user's code with suggested replacements automatically"
+ :type 'boolean
+ :group 'hs-lint)
+
+(defun hs-lint-process-setup ()
+ "Setup compilation variables and buffer for `hlint'."
+ (run-hooks 'hs-lint-setup-hook))
+
+;; regex for replace suggestions
+;;
+;; ^\(.*?\):\([0-9]+\):\([0-9]+\): .*
+;; Found:
+;; \s +\(.*\)
+;; Why not:
+;; \s +\(.*\)
+
+(defvar hs-lint-regex
+ "^\\(.*?\\):\\([0-9]+\\):\\([0-9]+\\): .*[\n\C-m]Found:[\n\C-m]\\s +\\(.*\\)[\n\C-m]Why not:[\n\C-m]\\s +\\(.*\\)[\n\C-m]"
+ "Regex for HLint messages")
+
+(defun make-short-string (str maxlen)
+ (if (< (length str) maxlen)
+ str
+ (concat (substring str 0 (- maxlen 3)) "...")))
+
+(defun hs-lint-replace-suggestions ()
+ "Perform actual replacement of suggestions"
+ (goto-char (point-min))
+ (while (re-search-forward hs-lint-regex nil t)
+ (let* ((fname (match-string 1))
+ (fline (string-to-number (match-string 2)))
+ (old-code (match-string 4))
+ (new-code (match-string 5))
+ (msg (concat "Replace '" (make-short-string old-code 30)
+ "' with '" (make-short-string new-code 30) "'"))
+ (bline 0)
+ (eline 0)
+ (spos 0)
+ (new-old-code ""))
+ (save-excursion
+ (switch-to-buffer (get-file-buffer fname))
+ (goto-char (point-min))
+ (forward-line (1- fline))
+ (beginning-of-line)
+ (setf bline (point))
+ (when (or hs-lint-replace-without-ask
+ (yes-or-no-p msg))
+ (end-of-line)
+ (setf eline (point))
+ (beginning-of-line)
+ (setf old-code (regexp-quote old-code))
+ (while (string-match "\\\\ " old-code spos)
+ (setf new-old-code (concat new-old-code
+ (substring old-code spos (match-beginning 0))
+ "\\ *"))
+ (setf spos (match-end 0)))
+ (setf new-old-code (concat new-old-code (substring old-code spos)))
+ (remove-text-properties bline eline '(composition nil))
+ (when (re-search-forward new-old-code eline t)
+ (replace-match new-code nil t)))))))
+
+(defun hs-lint-finish-hook (buf msg)
+ "Function, that is executed at the end of HLint execution"
+ (if hs-lint-replace-with-suggestions
+ (hs-lint-replace-suggestions)
+ (next-error 1 t)))
+
+(define-compilation-mode hs-lint-mode "HLint"
+ "Mode for check Haskell source code."
+ (set (make-local-variable 'compilation-process-setup-function)
+ 'hs-lint-process-setup)
+ (set (make-local-variable 'compilation-disable-input) t)
+ (set (make-local-variable 'compilation-scroll-output) nil)
+ (set (make-local-variable 'compilation-finish-functions)
+ (list 'hs-lint-finish-hook))
+ )
+
+(defun hs-lint ()
+ "Run HLint for current buffer with haskell source"
+ (interactive)
+ (save-some-buffers hs-lint-save-files)
+ (compilation-start (concat hs-lint-command " \"" buffer-file-name "\"")
+ 'hs-lint-mode))
+
+(provide 'hs-lint)
+;;; hs-lint.el ends here
+#+end_src
+
+#+begin_src emacs-lisp :tangle no
+(use-package hs-lint
+ :load-path "lisp/"
+ :bind (:map haskell-mode-map
+ ("C-c l l" . hs-lint)))
+#+end_src
+* Emacs Enhancements
+
+** [[https://github.com/justbur/emacs-which-key][which-key]]
+
+#+begin_quote
+Emacs package that displays available keybindings in popup
+#+end_quote
+
+#+begin_src emacs-lisp
+(use-package which-key
+ :defer 1
+ :config (which-key-mode))
+#+end_src
+* Email
+** notmuch
+
+#+begin_src emacs-lisp
+(defun ab/notmuch ()
+ "Delete other windows, then launch `notmuch'."
+ (interactive)
+ (require 'notmuch)
+ (delete-other-windows)
+ (notmuch))
+
+;; (map!
+;; :leader
+;; :desc "notmuch" :n "m" #'ab/notmuch
+;; (:desc "search" :prefix "/"
+;; :desc "notmuch" :n "m" #'counsel-notmuch))
+#+end_src
+
+#+begin_src emacs-lisp
+(defvar ab-maildir "~/mail")
+
+(use-package sendmail
+ ;; :ensure nil
+ :config
+ (setq sendmail-program "/usr/bin/msmtp"
+ mail-specify-envelope-from t
+ mail-envelope-from 'header))
+
+(use-package message
+ ;; :ensure nil
+ :config
+ (setq message-kill-buffer-on-exit t
+ message-send-mail-function 'message-send-mail-with-sendmail
+ message-sendmail-envelope-from 'header
+ message-directory "drafts"
+ message-user-fqdn "aminb.org")
+ (add-hook 'message-mode-hook
+ (lambda () (setq fill-column 65
+ message-fill-column 65)))
+ (add-hook 'message-mode-hook
+ #'flyspell-mode)
+ ;; (add-hook 'notmuch-message-mode-hook #'+doom-modeline|set-special-modeline)
+ ;; TODO: is there a way to only run this when replying and not composing?
+ (add-hook 'notmuch-message-mode-hook
+ (lambda () (progn
+ (newline)
+ (newline)
+ (forward-line -1)
+ (forward-line -1))))
+ ;; (add-hook 'message-setup-hook
+ ;; #'mml-secure-message-sign-pgpmime)
+ )
+
+(after! mml-sec
+ (setq mml-secure-openpgp-encrypt-to-self t
+ mml-secure-openpgp-sign-with-sender t))
+
+(use-package notmuch
+ :config
+ (setq notmuch-hello-sections
+ '(notmuch-hello-insert-header
+ notmuch-hello-insert-saved-searches
+ ;; notmuch-hello-insert-search
+ notmuch-hello-insert-alltags)
+ notmuch-search-oldest-first nil
+ notmuch-show-all-tags-list t
+ notmuch-hello-thousands-separator ","
+ notmuch-fcc-dirs
+ '(("amin@aminb.org" . "amin/Sent")
+ ("abandali@uwaterloo.ca" . "\"uwaterloo/Sent Items\"")
+ ("amin.bandali@uwaterloo.ca" . "\"uwaterloo/Sent Items\"")
+ ("aminb@gnu.org" . "gnu/Sent")
+ (".*" . "sent")))
+ ;; (add-hook 'visual-fill-column-mode-hook
+ ;; (lambda ()
+ ;; (when (string= major-mode 'notmuch-message-mode)
+ ;; (setq visual-fill-column-width 70))))
+ ;; (set! :evil-state 'notmuch-message-mode 'insert)
+ ;; (advice-add #'notmuch-bury-or-kill-this-buffer
+ ;; :override #'kill-this-buffer)
+ :bind
+ (:map notmuch-hello-mode-map
+ ("g" . notmuch-poll-and-refresh-this-buffer)
+ ("i" . (lambda ()
+ "Search for `inbox' tagged messages"
+ (interactive)
+ (notmuch-hello-search "tag:inbox")))
+ ("u" . (lambda ()
+ "Search for `unread' tagged messages"
+ (interactive)
+ (notmuch-hello-search "tag:unread")))
+ ("M" . (lambda ()
+ "Compose new mail and prompt for sender"
+ (interactive)
+ (let ((current-prefix-arg t))
+ (call-interactively #'notmuch-mua-new-mail)))))
+ (:map notmuch-search-mode-map
+ ("g" . notmuch-poll-and-refresh-this-buffer)
+ ("k" . (lambda ()
+ "Mark message read"
+ (interactive)
+ (notmuch-search-tag '("-unread"))
+ ;; (notmuch-search-archive-thread)
+ (notmuch-search-next-thread)))
+ ("u" . (lambda ()
+ "Mark message unread"
+ (interactive)
+ (notmuch-search-tag '("+unread"))
+ (notmuch-search-next-thread)))
+ ("K" . (lambda ()
+ "Mark message deleted"
+ (interactive)
+ (notmuch-search-tag '("-unread" "-inbox" "+deleted"))
+ (notmuch-search-archive-thread)))
+ ("S" . (lambda ()
+ "Mark message as spam"
+ (interactive)
+ (notmuch-search-tag '("-unread" "-inbox" "+spam"))
+ (notmuch-search-archive-thread))))
+ (:map notmuch-tree-mode-map ; TODO: additional bindings
+ ("S" . (lambda ()
+ "Mark message as spam"
+ (interactive)
+ (notmuch-tree-tag '("-unread" "-inbox" "+spam"))
+ (notmuch-tree-archive-thread))))
+)
+
+;; (use-package counsel-notmuch
+;; :commands counsel-notmuch)
+
+(after! notmuch-crypto
+ (setq notmuch-crypto-process-mime t))
+
+;; (after! evil
+;; (mapc (lambda (str) (evil-set-initial-state (car str) (cdr str)))
+;; '((notmuch-hello-mode . emacs)
+;; (notmuch-search-mode . emacs)
+;; (notmuch-tree-mode . emacs))))
+
+(after! recentf
+ (add-to-list 'recentf-exclude (expand-file-name ab-maildir)))
+#+end_src
+
projects / ~bandali / configs / blobdiff