emacs: remove slack

[~bandali/configs] / .emacs.d / init.el

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index c7eac7e..48a8332 100644 (file)
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -18,18 +18,34 @@
 ;;; Commentary:
 
 ;; Emacs configuration of Amin Bandali, computer scientist, functional
 ;;; Commentary:
 
 ;; Emacs configuration of Amin Bandali, computer scientist, functional

-;; programmer, and free software advocate.
-
-;; THIS FILE IS AUTO-GENERATED FROM `init.org'.
+;; programmer, and free software advocate.  Uses straight.el for
+;; purely functional and fully reproducible package management.
+
+;; Over the years, I've taken inspiration from configurations of many
+;; great people.  Some that I can remember off the top of my head are:
+;;
+;; - https://github.com/dieggsy/dotfiles
+;; - https://github.com/dakra/dmacs
+;; - http://pages.sachachua.com/.emacs.d/Sacha.html
+;; - https://github.com/dakrone/eos
+;; - http://doc.rix.si/cce/cce.html
+;; - https://github.com/jwiegley/dot-emacs
+;; - https://github.com/wasamasa/dotemacs
+;; - https://github.com/hlissner/doom-emacs

 
 ;;; Code:
 
 
 ;;; Code:
 

+;;; Emacs initialization
+

 (defvar a/before-user-init-time (current-time)
   "Value of `current-time' when Emacs begins loading `user-init-file'.")
 (message "Loading Emacs...done (%.3fs)"
          (float-time (time-subtract a/before-user-init-time
                                     before-init-time)))
 
 (defvar a/before-user-init-time (current-time)
   "Value of `current-time' when Emacs begins loading `user-init-file'.")
 (message "Loading Emacs...done (%.3fs)"
          (float-time (time-subtract a/before-user-init-time
                                     before-init-time)))
 

+;; temporarily increase `gc-cons-threshhold' and `gc-cons-percentage'
+;; during startup to reduce garbage collection frequency.  clearing
+;; `file-name-handler-alist' seems to help reduce startup time too.

 (defvar a/gc-cons-threshold gc-cons-threshold)
 (defvar a/gc-cons-percentage gc-cons-percentage)
 (defvar a/file-name-handler-alist file-name-handler-alist)
 (defvar a/gc-cons-threshold gc-cons-threshold)
 (defvar a/gc-cons-percentage gc-cons-percentage)
 (defvar a/file-name-handler-alist file-name-handler-alist)


@@ -39,21 +55,55 @@
       ;; sidesteps a bug when profiling with esup
       esup-child-profile-require-level 0)
 
       ;; sidesteps a bug when profiling with esup
       esup-child-profile-require-level 0)
 

-(add-hook
- 'after-init-hook
- (lambda ()
-   (setq gc-cons-threshold a/gc-cons-threshold
-         gc-cons-percentage a/gc-cons-percentage
-         file-name-handler-alist a/file-name-handler-alist)))
+;; set them back to their defaults once we're done initializing
+(defun a/post-init ()
+  (setq gc-cons-threshold a/gc-cons-threshold
+        gc-cons-percentage a/gc-cons-percentage
+        file-name-handler-alist a/file-name-handler-alist))
+(add-hook 'after-init-hook #'a/post-init)

 
 

+;; increase number of lines kept in *Messages* log

 (setq message-log-max 20000)
 
 (setq message-log-max 20000)
 

+;; optionally, uncomment to supress some byte-compiler warnings
+;;   (see C-h v byte-compile-warnings RET for more info)

 ;; (setq byte-compile-warnings
 ;;       '(not free-vars unresolved noruntime lexical make-local))
 
 ;; (setq byte-compile-warnings
 ;;       '(not free-vars unresolved noruntime lexical make-local))
 

+\f
+;;; whoami
+

 (setq user-full-name "Amin Bandali"
       user-mail-address "amin@bndl.org")
 
 (setq user-full-name "Amin Bandali"
       user-mail-address "amin@bndl.org")
 

+\f
+;;; comment macro
+
+;; useful for commenting out multiple sexps at a time
+(defmacro comment (&rest _)
+  "Comment out one or more s-expressions."
+  (declare (indent defun))
+  nil)
+
+\f
+;;; Package management
+
+;; No package.el  (for emacs 26 and before, uncomment the following)
+;; Not necessary when using straight.el
+;;   (C-h v straight-package-neutering-mode RET)
+
+(when (and
+       (not (featurep 'straight))
+       (version< emacs-version "27"))
+  (setq package-enable-at-startup nil)
+  ;; (package-initialize)
+  )
+
+;; for emacs 27 and later, we use early-init.el.  see
+;; https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=24acb31c04b4048b85311d794e600ecd7ce60d3b
+
+;; straight.el
+

 ;; Main engine start...
 
 (setq straight-repository-branch "develop"
 ;; Main engine start...
 
 (setq straight-repository-branch "develop"


@@ -97,8 +147,11 @@
   (interactive)
   (straight-transaction
     (straight-mark-transaction-as-init)
   (interactive)
   (straight-transaction
     (straight-mark-transaction-as-init)

-    (load user-init-file)))
+    (setq a/file-name-handler-alist file-name-handler-alist)
+    (load user-init-file)
+    (a/post-init)))

 
 

+;; use-package

 (straight-use-package 'use-package)
 (if nil                             ; set to t when need to debug init
     (progn
 (straight-use-package 'use-package)
 (if nil                             ; set to t when need to debug init
     (progn


@@ -113,12 +166,24 @@
 (setq use-package-always-defer t)
 (require 'bind-key)
 
 (setq use-package-always-defer t)
 (require 'bind-key)
 

-;; comment macro, useful for commenting out multiple sexps at a time
-(defmacro comment (&rest _)
-  "Comment out one or more s-expressions."
-  (declare (indent defun))
-  nil)
-
+;; for browsing the Emacsmirror package database
+(comment
+  (use-package epkg
+    :commands (epkg-list-packages epkg-describe-package)
+    :bind
+    (("C-c p e d" . epkg-describe-package)
+     ("C-c p e p" . epkg-list-packages))
+    :config
+    (setq epkg-repository "~/.emacs.d/straight/repos/epkgs/")
+    (eval-when-compile (defvar ivy-initial-inputs-alist))
+    (with-eval-after-load 'ivy
+      (add-to-list
+       'ivy-initial-inputs-alist '(epkg-describe-package . "^") t))))
+
+\f
+;;; Initial setup
+
+;; keep ~/.emacs.d clean

 (use-package no-littering
   :demand t
   :config
 (use-package no-littering
   :demand t
   :config


@@ -128,17 +193,21 @@
   (setq auto-save-file-name-transforms
         `((".*" ,(no-littering-expand-var-file-name "auto-save/") t))))
 
   (setq auto-save-file-name-transforms
         `((".*" ,(no-littering-expand-var-file-name "auto-save/") t))))
 

+;; separate custom file (don't want it mixing with init.el)

 (use-feature custom
   :no-require t
   :config
   (setq custom-file (no-littering-expand-etc-file-name "custom.el"))
   (when (file-exists-p custom-file)
     (load custom-file))
 (use-feature custom
   :no-require t
   :config
   (setq custom-file (no-littering-expand-etc-file-name "custom.el"))
   (when (file-exists-p custom-file)
     (load custom-file))

+  ;; while at it, treat themes as safe

   (setf custom-safe-themes t))
 
   (setf custom-safe-themes t))
 

+;; load the secrets file if it exists, otherwise show a warning

 (with-demoted-errors
     (load (no-littering-expand-etc-file-name "secrets")))
 
 (with-demoted-errors
     (load (no-littering-expand-etc-file-name "secrets")))
 

+;; better $PATH (and other environment variable) handling

 (use-package exec-path-from-shell
   :defer 0.4
   :init
 (use-package exec-path-from-shell
   :defer 0.4
   :init


@@ -150,18 +219,64 @@
   (exec-path-from-shell-copy-env "SSH_AGENT_PID")
   (exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
 
   (exec-path-from-shell-copy-env "SSH_AGENT_PID")
   (exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
 

+;; only one custom theme at a time
+(comment
+  (defadvice load-theme (before clear-previous-themes activate)
+    "Clear existing theme settings instead of layering them"
+    (mapc #'disable-theme custom-enabled-themes)))
+
+;; start up emacs server.  see
+;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Emacs-Server.html#Emacs-Server

 (use-feature server
   :defer 0.4
   :config (or (server-running-p) (server-mode)))
 
 (use-feature server
   :defer 0.4
   :config (or (server-running-p) (server-mode)))
 

+;; unicode support
+(comment
+  (dolist (ft (fontset-list))
+    (set-fontset-font
+     ft
+     'unicode
+     (font-spec :name "Source Code Pro" :size 14))
+    (set-fontset-font
+     ft
+     'unicode
+     (font-spec :name "DejaVu Sans Mono")
+     nil
+     'append)
+    ;; (set-fontset-font
+    ;;  ft
+    ;;  'unicode
+    ;;  (font-spec
+    ;;   :name "Symbola monospacified for DejaVu Sans Mono")
+    ;;  nil
+    ;;  'append)
+    ;; (set-fontset-font
+    ;;  ft
+    ;;  #x2115  ; ℕ
+    ;;  (font-spec :name "DejaVu Sans Mono")
+    ;;  nil
+    ;;  'append)
+    (set-fontset-font
+     ft
+     (cons ?Α ?ω)
+     (font-spec :name "DejaVu Sans Mono" :size 14)
+     nil
+     'prepend)))
+
+;; gentler font resizing

 (setq text-scale-mode-step 1.05)
 
 (setq text-scale-mode-step 1.05)
 

+;; focus follows mouse

 (setq mouse-autoselect-window t)
 
 (defun a/no-mouse-autoselect-window ()
 (setq mouse-autoselect-window t)
 
 (defun a/no-mouse-autoselect-window ()

+  "Conveniently disable `focus-follows-mouse'.
+For disabling the behaviour for certain buffers and/or modes."

   (make-local-variable 'mouse-autoselect-window)
   (setq mouse-autoselect-window nil))
 
   (make-local-variable 'mouse-autoselect-window)
   (setq mouse-autoselect-window nil))
 

+;; better scrolling

 (setq ;; scroll-margin 1
       ;; scroll-conservatively 10000
       scroll-step 1
 (setq ;; scroll-margin 1
       ;; scroll-conservatively 10000
       scroll-step 1


@@ -179,11 +294,16 @@
   :defer 0.4
   :config (pixel-scroll-mode 1))
 
   :defer 0.4
   :config (pixel-scroll-mode 1))
 

+;; ask for GPG passphrase in minibuffer

 (setq epg-pinentry-mode 'loopback)
 
 (setq epg-pinentry-mode 'loopback)
 

+;; useful libraries

 (require 'cl-lib)
 (require 'subr-x)
 
 (require 'cl-lib)
 (require 'subr-x)
 

+\f
+;;; Useful utilities
+

 (defmacro a/setq-every (value &rest vars)
   "Set all the variables from VARS to value VALUE."
   (declare (indent defun) (debug t))
 (defmacro a/setq-every (value &rest vars)
   "Set all the variables from VARS to value VALUE."
   (declare (indent defun) (debug t))


@@ -205,51 +325,93 @@
          program
          (remove nil (list args (dired-get-file-for-visit)))))
 
          program
          (remove nil (list args (dired-get-file-for-visit)))))
 

+(defun a/add-elisp-section ()
+  (interactive)
+  (insert "\n")
+  (previous-line)
+  (insert "\n\f\n;;; "))
+
+\f
+;;; Defaults
+
+;; time and battery in mode-line
+(comment
+  (use-package time
+    :init
+    (setq display-time-default-load-average nil)
+    :config
+    (display-time-mode))
+
+  (use-package battery
+    :config
+    (display-battery-mode)))
+
+;; smaller fringe

 ;; (fringe-mode '(3 . 1))
 (fringe-mode nil)
 
 ;; (fringe-mode '(3 . 1))
 (fringe-mode nil)
 

+;; disable disabled commands

 (setq disabled-command-function nil)
 
 (setq disabled-command-function nil)
 

+;; Save what I copy into clipboard from other applications into Emacs'
+;; kill-ring, which would allow me to still be able to easily access
+;; it in case I kill (cut or copy) something else inside Emacs before
+;; yanking (pasting) what I'd originally intended to.

 (setq save-interprogram-paste-before-kill t)
 
 (setq save-interprogram-paste-before-kill t)
 

+;; minibuffer

 (setq enable-recursive-minibuffers t
       resize-mini-windows t)
 
 (setq enable-recursive-minibuffers t
       resize-mini-windows t)
 

+;; lazy-person-friendly yes/no prompts

 (defalias 'yes-or-no-p #'y-or-n-p)
 
 (defalias 'yes-or-no-p #'y-or-n-p)
 

+;; i want *scratch* as my startup buffer

 (setq initial-buffer-choice t)
 
 (setq initial-buffer-choice t)
 

+;; i don't need the default hint

 (setq initial-scratch-message nil)
 
 (setq initial-scratch-message nil)
 

+;; use customizable text-mode as major mode for *scratch*

 (setq initial-major-mode 'text-mode)
 
 (setq initial-major-mode 'text-mode)
 

+;; inhibit buffer list when more than 2 files are loaded

 (setq inhibit-startup-buffer-menu t)
 
 (setq inhibit-startup-buffer-menu t)
 

+;; don't need to see the startup screen or the echo area message

 (advice-add #'display-startup-echo-area-message :override #'ignore)
 (setq inhibit-startup-screen t
       inhibit-startup-echo-area-message user-login-name)
 
 (advice-add #'display-startup-echo-area-message :override #'ignore)
 (setq inhibit-startup-screen t
       inhibit-startup-echo-area-message user-login-name)
 

+;; more useful frame titles

 (setq frame-title-format
       '("" invocation-name " - "
         (:eval (if (buffer-file-name)
                    (abbreviate-file-name (buffer-file-name))
                  "%b"))))
 
 (setq frame-title-format
       '("" invocation-name " - "
         (:eval (if (buffer-file-name)
                    (abbreviate-file-name (buffer-file-name))
                  "%b"))))
 

+;; backups (C-h v make-backup-files RET)

 (setq backup-by-copying t
       version-control t
       delete-old-versions t)
 
 (setq backup-by-copying t
       version-control t
       delete-old-versions t)
 

+;; enable automatic reloading of changed buffers and files

 (global-auto-revert-mode 1)
 (setq auto-revert-verbose nil
       global-auto-revert-non-file-buffers nil)
 
 (global-auto-revert-mode 1)
 (setq auto-revert-verbose nil
       global-auto-revert-non-file-buffers nil)
 

+;; always use space for indentation

 (setq-default
  indent-tabs-mode nil
  require-final-newline t
  tab-width 4)
 
 (setq-default
  indent-tabs-mode nil
  require-final-newline t
  tab-width 4)
 

+;; enable winner-mode (C-h f winner-mode RET)

 (winner-mode 1)
 
 (winner-mode 1)
 

+;; don't display *compilation* buffer on success.  based on
+;; https://stackoverflow.com/a/17788551, with changes to use `cl-letf'
+;; instead of the now obsolete `flet'.

 (with-eval-after-load 'compile
   (defun a/compilation-finish-function (buffer outstr)
     (unless (string-match "finished" outstr)
 (with-eval-after-load 'compile
   (defun a/compilation-finish-function (buffer outstr)
     (unless (string-match "finished" outstr)


@@ -269,15 +431,31 @@
       ad-do-it))
   (ad-activate 'compilation-start))
 
       ad-do-it))
   (ad-activate 'compilation-start))
 

+;; search for non-ASCII characters: i’d like non-ASCII characters such
+;; as ‘’“”«»‹›áⓐ𝒶 to be selected when i search for their ASCII
+;; counterpart.  shoutout to
+;; http://endlessparentheses.com/new-in-emacs-25-1-easily-search-non-ascii-characters.html

 (setq search-default-mode #'char-fold-to-regexp)
 (setq search-default-mode #'char-fold-to-regexp)

-

 ;; uncomment to extend this behaviour to query-replace
 ;; (setq replace-char-fold t)
 
 ;; uncomment to extend this behaviour to query-replace
 ;; (setq replace-char-fold t)
 

+;; cursor shape

 (setq-default cursor-type 'bar)
 
 (setq-default cursor-type 'bar)
 

+;; allow scrolling in Isearch

 (setq isearch-allow-scroll t)
 
 (setq isearch-allow-scroll t)
 

+(use-feature vc
+  :bind ("C-x v C-=" . vc-ediff))
+
+(use-feature ediff
+  :config (add-hook 'ediff-after-quit-hook-internal 'winner-undo)
+  :custom ((ediff-window-setup-function 'ediff-setup-windows-plain)
+           (ediff-split-window-function 'split-window-horizontally)))
+
+\f
+;;; General bindings
+

 (bind-keys
  ("C-c a i" . ielm)
 
 (bind-keys
  ("C-c a i" . ielm)
 


@@ -289,7 +467,7 @@
 
  ("C-c F m" . make-frame-command)
  ("C-c F d" . delete-frame)
 
  ("C-c F m" . make-frame-command)
  ("C-c F d" . delete-frame)

- ("C-c F D" . delete-other-frames)
+ ("C-c F D" . server-edit)

 
  ("C-c o"   . other-window)
 
 
  ("C-c o"   . other-window)
 


@@ -300,7 +478,10 @@
  ("C-x K"   . kill-buffer)
 
  ("s-p"     . beginning-of-buffer)
  ("C-x K"   . kill-buffer)
 
  ("s-p"     . beginning-of-buffer)

- ("s-n"     . end-of-buffer))
+ ("s-n"     . end-of-buffer)
+
+ :map emacs-lisp-mode-map
+ ("<C-return>" . a/add-elisp-section))

 
 (when (display-graphic-p)
   (unbind-key "C-z" global-map))
 
 (when (display-graphic-p)
   (unbind-key "C-z" global-map))


@@ -331,6 +512,9 @@
  ("p P" . straight-push-package)
  ("p r" . straight-rebuild-package))
 
  ("p P" . straight-push-package)
  ("p r" . straight-rebuild-package))
 

+\f
+;;; Essential packages
+

 (use-package auto-compile
   :demand t
   :config
 (use-package auto-compile
   :demand t
   :config


@@ -344,6 +528,7 @@
   (add-hook 'auto-compile-inhibit-compile-hook
             'auto-compile-inhibit-compile-detached-git-head))
 
   (add-hook 'auto-compile-inhibit-compile-hook
             'auto-compile-inhibit-compile-detached-git-head))
 

+;; use the org-plus-contrib package to get the whole deal

 (straight-use-package 'org-plus-contrib)
 
 (use-feature org
 (straight-use-package 'org-plus-contrib)
 
 (use-feature org


@@ -363,6 +548,7 @@
   (("C-c a o a" . org-agenda)
    :map org-mode-map
    ("M-L" . org-insert-last-stored-link)
   (("C-c a o a" . org-agenda)
    :map org-mode-map
    ("M-L" . org-insert-last-stored-link)

+   ("M-O" . org-toggle-link-display)

    ("s-T" . org-todo))
   :hook ((org-mode . org-indent-mode)
          (org-mode . auto-fill-mode)
    ("s-T" . org-todo))
   :hook ((org-mode . org-indent-mode)
          (org-mode . auto-fill-mode)


@@ -397,6 +583,9 @@
   :config
   (ox-extras-activate '(latex-header-blocks ignore-headlines)))
 
   :config
   (ox-extras-activate '(latex-header-blocks ignore-headlines)))
 

+;; asynchronous tangle, using emacs-async to asynchronously tangle an
+;; org file.  closely inspired by
+;; https://github.com/dieggsy/dotfiles/tree/cc10edf7701958eff1cd94d4081da544d882a28c/emacs.d#dotfiles

 (with-eval-after-load 'org
   (defvar a/show-async-tangle-results nil
     "Keep *emacs* async buffers around for later inspection.")
 (with-eval-after-load 'org
   (defvar a/show-async-tangle-results nil
     "Keep *emacs* async buffers around for later inspection.")


@@ -432,6 +621,7 @@
  'safe-local-variable-values
  '(eval add-hook 'after-save-hook #'a/async-babel-tangle 'append 'local))
 
  'safe-local-variable-values
  '(eval add-hook 'after-save-hook #'a/async-babel-tangle 'append 'local))
 

+;; *the* right way to do git

 (use-package magit
   :defer 0.5
   :bind (("C-x g" . magit-status)
 (use-package magit
   :defer 0.5
   :bind (("C-x g" . magit-status)


@@ -447,14 +637,17 @@
   (nconc magit-section-initial-visibility-alist
          '(([unpulled status] . show)
            ([unpushed status] . show)))
   (nconc magit-section-initial-visibility-alist
          '(([unpulled status] . show)
            ([unpushed status] . show)))

+  :custom (magit-display-buffer-function #'magit-display-buffer-fullframe-status-v1)

   :custom-face (magit-diff-file-heading ((t (:weight normal)))))
 
   :custom-face (magit-diff-file-heading ((t (:weight normal)))))
 

+;; recently opened files

 (use-feature recentf
   :defer 0.2
   :config
   (add-to-list 'recentf-exclude "^/\\(?:ssh\\|su\\|sudo\\)?:")
   (setq recentf-max-saved-items 40))
 
 (use-feature recentf
   :defer 0.2
   :config
   (add-to-list 'recentf-exclude "^/\\(?:ssh\\|su\\|sudo\\)?:")
   (setq recentf-max-saved-items 40))
 

+;; smart M-x enhancement (needed by counsel for history)

 (use-package smex)
 
 (use-package ivy
 (use-package smex)
 
 (use-package ivy


@@ -491,12 +684,32 @@
          ("C-c x"                          . counsel-M-x)
          ("C-c f ."                        . counsel-find-file)
          ("C-c f l"                        . counsel-find-library)
          ("C-c x"                          . counsel-M-x)
          ("C-c f ."                        . counsel-find-file)
          ("C-c f l"                        . counsel-find-library)

+         ("C-c f r"                        . counsel-recentf)
+         ("s-."                            . counsel-find-file)
+         ("s-r"                            . ivy-switch-buffer)

          :map minibuffer-local-map
          ("C-r" . counsel-minibuffer-history))
   :config
   (counsel-mode 1)
   (defalias 'locate #'counsel-locate))
 
          :map minibuffer-local-map
          ("C-r" . counsel-minibuffer-history))
   :config
   (counsel-mode 1)
   (defalias 'locate #'counsel-locate))
 

+(comment
+  (use-package helm
+    :commands (helm-M-x helm-mini helm-resume)
+    :bind (("M-x"     . helm-M-x)
+           ("M-y"     . helm-show-kill-ring)
+           ("C-x b"   . helm-mini)
+           ("C-x C-b" . helm-buffers-list)
+           ("C-x C-f" . helm-find-files)
+           ("C-h r"   . helm-info-emacs)
+           ("s-r"     . helm-recentf)
+           ("C-s-r"   . helm-resume)
+           :map helm-map
+           ("<tab>" . helm-execute-persistent-action)
+           ("C-i"   . helm-execute-persistent-action) ; Make TAB work in terminals
+           ("C-z"   . helm-select-action))            ; List actions
+    :config (helm-mode 1)))
+

 (use-feature eshell
   :defer 0.5
   :commands eshell
 (use-feature eshell
   :defer 0.5
   :commands eshell


@@ -651,6 +864,17 @@
                         (setq ediff-after-quit-hook-internal nil)
                         (set-window-configuration wnd))))
         (error "no more than 2 files should be marked"))))
                         (setq ediff-after-quit-hook-internal nil)
                         (set-window-configuration wnd))))
         (error "no more than 2 files should be marked"))))

+
+  (require 'dired-x)
+  (setq dired-guess-shell-alist-user
+        '(("\\.pdf\\'"  "evince" "zathura" "okular")
+          ("\\.doc\\'"  "libreoffice")
+          ("\\.docx\\'" "libreoffice")
+          ("\\.ppt\\'"  "libreoffice")
+          ("\\.pptx\\'" "libreoffice")
+          ("\\.xls\\'"  "libreoffice")
+          ("\\.xlsx\\'" "libreoffice")
+          ("\\.flac\\'" "mpv")))

   :bind (:map dired-mode-map
               ("b"  . dired-up-directory)
               ("e"  . dired-ediff-files)
   :bind (:map dired-mode-map
               ("b"  . dired-up-directory)
               ("e"  . dired-ediff-files)


@@ -680,16 +904,23 @@
   :bind (:map doc-view-mode-map
               ("M-RET" . image-previous-line)))
 
   :bind (:map doc-view-mode-map
               ("M-RET" . image-previous-line)))
 

+\f
+;;; Editing
+
+;; highlight uncommitted changes in the left fringe

 (use-package diff-hl
 (use-package diff-hl

+  :defer 0.6

   :config
   (setq diff-hl-draw-borders nil)
   (global-diff-hl-mode)
   :hook (magit-post-refresh . diff-hl-magit-post-refresh))
 
   :config
   (setq diff-hl-draw-borders nil)
   (global-diff-hl-mode)
   :hook (magit-post-refresh . diff-hl-magit-post-refresh))
 

+;; display Lisp objects at point in the echo area

 (use-feature eldoc
   :when (version< "25" emacs-version)
   :config (global-eldoc-mode))
 
 (use-feature eldoc
   :when (version< "25" emacs-version)
   :config (global-eldoc-mode))
 

+;; highlight matching parens

 (use-feature paren
   :demand
   :config (show-paren-mode))
 (use-feature paren
   :demand
   :config (show-paren-mode))


@@ -697,9 +928,11 @@
 (use-feature simple
   :config (column-number-mode))
 
 (use-feature simple
   :config (column-number-mode))
 

+;; save minibuffer history

 (use-feature savehist
   :config (savehist-mode))
 
 (use-feature savehist
   :config (savehist-mode))
 

+;; automatically save place in files

 (use-feature saveplace
   :when (version< "25" emacs-version)
   :config (save-place-mode))
 (use-feature saveplace
   :when (version< "25" emacs-version)
   :config (save-place-mode))


@@ -769,6 +1002,9 @@
   (advice-add #'ispell-parse-output :filter-args
               #'endless/replace-quote))
 
   (advice-add #'ispell-parse-output :filter-args
               #'endless/replace-quote))
 

+\f
+;;; Programming modes
+

 (use-feature lisp-mode
   :config
   (add-hook 'emacs-lisp-mode-hook 'outline-minor-mode)
 (use-feature lisp-mode
   :config
   (add-hook 'emacs-lisp-mode-hook 'outline-minor-mode)


@@ -782,7 +1018,7 @@
   :mode "\\.als\\'"
   :config (setq alloy-basic-offset 2))
 
   :mode "\\.als\\'"
   :config (setq alloy-basic-offset 2))
 

-(use-package proof-site  ; Proof General
+(use-package proof-site                 ; for Coq

   :straight proof-general)
 
 (eval-when-compile (defvar lean-mode-map))
   :straight proof-general)
 
 (eval-when-compile (defvar lean-mode-map))


@@ -820,6 +1056,7 @@
 
 (use-package flycheck-haskell
   :after haskell-mode)
 
 (use-package flycheck-haskell
   :after haskell-mode)

+;; alternative: hs-lint https://github.com/ndmitchell/hlint/blob/20e116a043f2073c57b17b24ae6364b5e433ba7e/data/hs-lint.el

 
 (use-package sgml-mode
   :config
 
 (use-package sgml-mode
   :config


@@ -846,6 +1083,78 @@
   (setq emmet-move-cursor-between-quotes t)
   :hook (web-mode css-mode html-mode sgml-mode))
 
   (setq emmet-move-cursor-between-quotes t)
   :hook (web-mode css-mode html-mode sgml-mode))
 

+(comment
+  (use-package meghanada
+    :bind
+    (:map meghanada-mode-map
+          (("C-M-o" . meghanada-optimize-import)
+           ("C-M-t" . meghanada-import-all)))
+    :hook (java-mode . meghanada-mode)))
+
+(comment
+  (use-package treemacs
+    :config (setq treemacs-never-persist t))
+
+  (use-package yasnippet
+    :config
+    ;; (yas-global-mode)
+    )
+
+  (use-package lsp-mode
+    :init (setq lsp-eldoc-render-all nil
+                lsp-highlight-symbol-at-point nil)
+    )
+
+  (use-package hydra)
+
+  (use-package company-lsp
+    :after company
+    :config
+    (setq company-lsp-cache-candidates t
+          company-lsp-async t))
+
+  (use-package lsp-ui
+    :config
+    (setq lsp-ui-sideline-update-mode 'point))
+
+  (use-package lsp-java
+    :config
+    (add-hook 'java-mode-hook
+                 (lambda ()
+                   (setq-local company-backends (list 'company-lsp))))
+
+    (add-hook 'java-mode-hook 'lsp-java-enable)
+    (add-hook 'java-mode-hook 'flycheck-mode)
+    (add-hook 'java-mode-hook 'company-mode)
+    (add-hook 'java-mode-hook 'lsp-ui-mode))
+
+  (use-package dap-mode
+    :after lsp-mode
+    :config
+    (dap-mode t)
+    (dap-ui-mode t))
+
+  (use-package dap-java
+    :after (lsp-java))
+
+  (use-package lsp-java-treemacs
+    :after (treemacs)))
+
+(comment
+  (use-package eclim
+    :bind (:map eclim-mode-map ("S-SPC" . company-complete))
+    :hook ((java-mode . eclim-mode)
+           (eclim-mode . (lambda ()
+                           (make-local-variable 'company-idle-delay)
+                           (defvar company-idle-delay)
+                           ;; (setq company-idle-delay 0.7)
+                           (setq company-idle-delay nil))))
+    :custom
+    (eclim-auto-save nil)
+    ;; (eclimd-default-workspace "~/src/eclipse-workspace-exp")
+    (eclim-executable "~/.p2/pool/plugins/org.eclim_2.8.0/bin/eclim")
+    (eclim-eclipse-dirs '("~/usr/eclipse/dsl-2018-09/eclipse"))))
+

 (use-package geiser)
 
 (use-feature geiser-guile
 (use-package geiser)
 
 (use-feature geiser-guile


@@ -854,6 +1163,56 @@
 
 (use-package guix)
 
 
 (use-package guix)
 

+(comment
+  (use-package auctex
+    :custom
+    (font-latex-fontify-sectioning 'color)))
+
+\f
+;;; Theme
+
+(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp")
+(load-theme 'tangomod t)
+
+(use-package smart-mode-line
+  :commands (sml/apply-theme)
+  :demand
+  :config
+  (sml/setup))
+
+(use-package doom-themes)
+
+(defvar a/org-mode-font-lock-keywords
+  '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
+      (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
+      (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
+      (4 '(:foreground "#c5c8c6") t))))                    ; title
+
+(defun a/lights-on ()
+  "Enable my favourite light theme."
+  (interactive)
+  (mapc #'disable-theme custom-enabled-themes)
+  (load-theme 'tangomod t)
+  (sml/apply-theme 'automatic)
+  (font-lock-remove-keywords
+   'org-mode a/org-mode-font-lock-keywords))
+
+(defun a/lights-off ()
+  "Go dark."
+  (interactive)
+  (mapc #'disable-theme custom-enabled-themes)
+  (load-theme 'doom-tomorrow-night t)
+  (sml/apply-theme 'automatic)
+  (font-lock-add-keywords
+   'org-mode a/org-mode-font-lock-keywords t))
+
+(bind-keys
+ ("s-t d" . a/lights-off)
+ ("s-t l" . a/lights-on))
+
+\f
+;;; Emacs enhancements & auxiliary packages
+

 (use-feature man
   :config (setq Man-width 80))
 
 (use-feature man
   :config (setq Man-width 80))
 


@@ -914,46 +1273,7 @@
   (which-key-add-column-padding 5)
   (which-key-max-description-length 32))
 
   (which-key-add-column-padding 5)
   (which-key-max-description-length 32))
 

-(add-to-list 'custom-theme-load-path "~/.emacs.d/lisp")
-(load-theme 'tangomod t)
-
-(use-package smart-mode-line
-  :commands (sml/apply-theme)
-  :demand
-  :config
-  (sml/setup))
-
-(use-package doom-themes)
-
-(defvar a/org-mode-font-lock-keywords
-  '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
-      (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
-      (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
-      (4 '(:foreground "#c5c8c6") t))))                    ; title
-
-(defun a/lights-on ()
-  "Enable my favourite light theme."
-  (interactive)
-  (mapc #'disable-theme custom-enabled-themes)
-  (load-theme 'tangomod t)
-  (sml/apply-theme 'automatic)
-  (font-lock-remove-keywords
-   'org-mode a/org-mode-font-lock-keywords))
-
-(defun a/lights-off ()
-  "Go dark."
-  (interactive)
-  (mapc #'disable-theme custom-enabled-themes)
-  (load-theme 'doom-tomorrow-night t)
-  (sml/apply-theme 'automatic)
-  (font-lock-add-keywords
-   'org-mode a/org-mode-font-lock-keywords t))
-
-(bind-keys
- ("s-t d" . a/lights-off)
- ("s-t l" . a/lights-on))
-
-(use-package crux                       ; results in Waiting for git... [2 times]
+(use-package crux            ; results in Waiting for git... [2 times]

   :defer 0.4
   :bind (("C-c b k" . crux-kill-other-buffers)
          ("C-c d"   . crux-duplicate-current-line-or-region)
   :defer 0.4
   :bind (("C-c b k" . crux-kill-other-buffers)
          ("C-c d"   . crux-duplicate-current-line-or-region)


@@ -1003,6 +1323,9 @@
   :custom
   (unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
 
   :custom
   (unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
 

+;; ,----
+;; | make pretty boxed quotes like this
+;; `----

 (use-package boxquote
   :defer 0.6
   :bind
 (use-package boxquote
   :defer 0.6
   :bind


@@ -1030,16 +1353,19 @@
    ("M-w" . boxquote-kill-ring-save)))
 
 (use-package orgalist
    ("M-w" . boxquote-kill-ring-save)))
 
 (use-package orgalist

+  ;; http://lists.gnu.org/archive/html/emacs-orgmode/2019-04/msg00007.html

   :disabled t
   :after message
   :hook (message-mode . orgalist-mode))
 
   :disabled t
   :after message
   :hook (message-mode . orgalist-mode))
 

+;; easily type pretty quotes & other typography, like ‘’“”-–—«»‹›

 (use-package typo
   :defer 0.5
   :config
   (typo-global-mode 1)
   :hook (text-mode . typo-mode))
 
 (use-package typo
   :defer 0.5
   :config
   (typo-global-mode 1)
   :hook (text-mode . typo-mode))
 

+;; highlight TODOs in buffers

 (use-package hl-todo
   :defer 0.5
   :config
 (use-package hl-todo
   :defer 0.5
   :config


@@ -1067,13 +1393,17 @@
 
 (use-package multi-term
   :defer 0.6
 
 (use-package multi-term
   :defer 0.6

-  :bind (("C-c a s m" . multi-term-dedicated-toggle)
+  :bind (("C-c a s m m" . multi-term)
+         ("C-c a s m d" . multi-term-dedicated-toggle)
+         ("C-c a s m p" . multi-term-prev)
+         ("C-c a s m n" . multi-term-next)

          :map term-mode-map
          :map term-mode-map

-         ("C-c C-j" . term-char-mode)
-         :map term-raw-map
-         ("C-c C-j" . term-line-mode))
+         ("C-c C-j" . term-char-mode))

   :config
   :config

-  (setq multi-term-program "/bin/screen"
+  (setq multi-term-program "screen"
+        multi-term-program-switches (concat "-c"
+                                            (getenv "XDG_CONFIG_HOME")
+                                            "/screen/screenrc")

         ;; TODO: add separate bindings for connecting to existing
         ;; session vs. always creating a new one
         multi-term-dedicated-select-after-open-p t
         ;; TODO: add separate bindings for connecting to existing
         ;; session vs. always creating a new one
         multi-term-dedicated-select-after-open-p t


@@ -1082,21 +1412,39 @@
         term-bind-key-alist
         '(("C-c C-c" . term-interrupt-subjob)
           ("C-c C-e" . term-send-esc)
         term-bind-key-alist
         '(("C-c C-c" . term-interrupt-subjob)
           ("C-c C-e" . term-send-esc)

+          ("C-c C-j" . term-line-mode)

           ("C-k" . kill-line)
           ("C-k" . kill-line)

-          ("C-y" . term-paste)
+          ;; ("C-y" . term-paste)
+          ("C-y" . term-send-raw)

           ("M-f" . term-send-forward-word)
           ("M-b" . term-send-backward-word)
           ("M-p" . term-send-up)
           ("M-n" . term-send-down)
           ("M-f" . term-send-forward-word)
           ("M-b" . term-send-backward-word)
           ("M-p" . term-send-up)
           ("M-n" . term-send-down)

+          ("M-j" . term-send-raw-meta)
+          ("M-y" . term-send-raw-meta)
+          ("M-/" . term-send-raw-meta)
+          ("M-0" . term-send-raw-meta)
+          ("M-1" . term-send-raw-meta)
+          ("M-2" . term-send-raw-meta)
+          ("M-3" . term-send-raw-meta)
+          ("M-4" . term-send-raw-meta)
+          ("M-5" . term-send-raw-meta)
+          ("M-6" . term-send-raw-meta)
+          ("M-7" . term-send-raw-meta)
+          ("M-8" . term-send-raw-meta)
+          ("M-9" . term-send-raw-meta)

           ("<C-backspace>" . term-send-backward-kill-word)
           ("<M-DEL>" . term-send-backward-kill-word)
           ("M-d" . term-send-delete-word)
           ("M-," . term-send-raw)
           ("M-." . comint-dynamic-complete))
         term-unbind-key-alist
           ("<C-backspace>" . term-send-backward-kill-word)
           ("<M-DEL>" . term-send-backward-kill-word)
           ("M-d" . term-send-delete-word)
           ("M-," . term-send-raw)
           ("M-." . comint-dynamic-complete))
         term-unbind-key-alist

-        '("C-z" "C-x" "C-c" "C-h" "C-y" "<ESC>")))
+        '("C-z" "C-x" "C-c" "C-h"
+          ;; "C-y"
+          "<ESC>")))

 
 (use-package page-break-lines
 
 (use-package page-break-lines

+  :defer 0.5

   :config
   (global-page-break-lines-mode))
 
   :config
   (global-page-break-lines-mode))
 


@@ -1143,55 +1491,18 @@
    org-ref-bibliography-notes "~/usr/org/notes.org"
    org-ref-pdf-directory "~/usr/org/bibtex-pdfs/"))
 
    org-ref-bibliography-notes "~/usr/org/notes.org"
    org-ref-pdf-directory "~/usr/org/bibtex-pdfs/"))
 

-(use-package slack
-  :commands (slack-start)
-  :init
-  (eval-when-compile                    ; silence the byte-compiler
-    (defvar url-http-data nil)
-    (defvar url-http-extra-headers nil)
-    (defvar url-http-method nil)
-    (defvar url-callback-function nil)
-    (defvar url-callback-arguments nil)
-    (defvar oauth--token-data nil))
-  (setq slack-buffer-emojify t
-        slack-prefer-current-team t)
-  :config
-  (slack-register-team
-   :name "nday-students"
-   :default t
-   :token nday-students-token
-   :subscribed-channels '(general)
-   :full-and-display-names t)
-  (add-to-list 'swiper-font-lock-exclude 'slack-message-buffer-mode t)
-  (setq lui-time-stamp-format "[%Y-%m-%d %H:%M:%S]"
-        lui-time-stamp-only-when-changed-p t
-        lui-time-stamp-position 'right)
-  :bind
-  (("C-c s s" . slack-start)
-   ("C-c s u" . slack-select-unread-rooms)
-   ("C-c s b" . slack-select-rooms)
-   ("C-c s t" . slack-change-current-team)
-   ("C-c s c" . slack-ws-close)
-   :map slack-mode-map
-   ("M-p"     . slack-buffer-goto-prev-message)
-   ("M-n"     . slack-buffer-goto-next-message)
-   ("C-c e"   . slack-message-edit)
-   ("C-c k"   . slack-message-delete)
-   ("C-c C-k" . slack-channel-leave)
-   ("C-c r a" . slack-message-add-reaction)
-   ("C-c r r" . slack-message-remove-reaction)
-   ("C-c r s" . slack-message-show-reaction-users)
-   ("C-c p l" . slack-room-pins-list)
-   ("C-c p a" . slack-message-pins-add)
-   ("C-c p r" . slack-message-pins-remove)
-   ("@"       . slack-message-embed-mention)
-   ("#"       . slack-message-embed-channel)))
-

 (use-package alert
   :commands (alert)
   :init
   (setq alert-default-style 'notifier))
 
 (use-package alert
   :commands (alert)
   :init
   (setq alert-default-style 'notifier))
 

+(use-package ivy-xref
+  :init
+  (setq xref-show-xrefs-function #'ivy-xref-show-xrefs))
+
+\f
+;;; Email (with Gnus)
+

 (defvar a/maildir (expand-file-name "~/mail/"))
 (with-eval-after-load 'recentf
   (add-to-list 'recentf-exclude a/maildir))
 (defvar a/maildir (expand-file-name "~/mail/"))
 (with-eval-after-load 'recentf
   (add-to-list 'recentf-exclude a/maildir))


@@ -1213,19 +1524,19 @@
             (nnimap-address "127.0.0.1")
             (nnimap-server-port 143)
             (nnimap-authenticator plain)
             (nnimap-address "127.0.0.1")
             (nnimap-server-port 143)
             (nnimap-authenticator plain)

-            (nnimap-user "amin@bndl.org"))
-     (nnimap "uwaterloo"
+            (nnimap-user "amin@bndl.local"))
+     (nnimap "uw"

              (nnimap-stream plain)
              (nnimap-address "127.0.0.1")
              (nnimap-server-port 143)
              (nnimap-authenticator plain)
              (nnimap-stream plain)
              (nnimap-address "127.0.0.1")
              (nnimap-server-port 143)
              (nnimap-authenticator plain)

-             (nnimap-user "abandali@uwaterloo.ca"))
-     (nnimap "csclub"
+             (nnimap-user "abandali@uw.local"))
+     (nnimap "csc"

              (nnimap-stream plain)
              (nnimap-address "127.0.0.1")
              (nnimap-server-port 143)
              (nnimap-authenticator plain)
              (nnimap-stream plain)
              (nnimap-address "127.0.0.1")
              (nnimap-server-port 143)
              (nnimap-authenticator plain)

-             (nnimap-user "abandali@csclub.uw")))
+             (nnimap-user "abandali@csc.uw.local")))

    gnus-message-archive-group "nnimap+amin:Sent"
    gnus-parameters
    '(("gnu\\.deepspec"
    gnus-message-archive-group "nnimap+amin:Sent"
    gnus-parameters
    '(("gnu\\.deepspec"


@@ -1300,7 +1611,9 @@
      ("gnu.*"
       (gcc-self . t))
      ("gnu\\."
      ("gnu.*"
       (gcc-self . t))
      ("gnu\\."

-      (subscribed . t)))
+      (subscribed . t))
+     ("nnimap\\+uw:.*"
+      (gcc-self . t)))

    gnus-large-newsgroup  50
    gnus-home-directory   (no-littering-expand-var-file-name "gnus/")
    gnus-directory        (concat gnus-home-directory "news/")
    gnus-large-newsgroup  50
    gnus-home-directory   (no-littering-expand-var-file-name "gnus/")
    gnus-directory        (concat gnus-home-directory "news/")


@@ -1372,12 +1685,13 @@
            (to "webmasters-comment@gnu.org")
            (body "Added  to 2019supporters.html.\n\nMoving to campaigns.\n\n-amin\n")
            (eval (setq a/message-cite-say-hi nil)))
            (to "webmasters-comment@gnu.org")
            (body "Added  to 2019supporters.html.\n\nMoving to campaigns.\n\n-amin\n")
            (eval (setq a/message-cite-say-hi nil)))

-          ("nnimap\\+uwaterloo:.*"
-           (address "abandali@uwaterloo.ca")
-           (gcc "\"nnimap+uwaterloo:Sent Items\""))
-          ("nnimap\\+csclub:.*"
+          ("nnimap\\+uw:.*"
+           (address "abandali@uwaterloo.ca"))
+          ("nnimap\\+uw:INBOX"
+           (gcc "\"nnimap+uw:Sent Items\""))
+          ("nnimap\\+csc:.*"

            (address "abandali@csclub.uwaterloo.ca")
            (address "abandali@csclub.uwaterloo.ca")

-           (gcc "nnimap+csclub:Sent")))))
+           (gcc "nnimap+csc:Sent")))))

 
 (use-feature gnus-topic
   :hook (gnus-group-mode . gnus-topic-mode)
 
 (use-feature gnus-topic
   :hook (gnus-group-mode . gnus-topic-mode)


@@ -1392,6 +1706,17 @@
   :config
   (setq gnus-permanently-visible-groups "\\(:INBOX$\\|:gnu$\\)"))
 
   :config
   (setq gnus-permanently-visible-groups "\\(:INBOX$\\|:gnu$\\)"))
 

+(comment
+  ;; problematic with ebdb's popup, *EBDB-Gnus*
+  (use-feature gnus-win
+    :config
+    (setq gnus-use-full-window nil)))
+
+(use-feature gnus-dired
+  :commands gnus-dired-mode
+  :init
+  (add-hook 'dired-mode-hook 'gnus-dired-mode))
+

 (use-feature mm-decode
   :config
   (setq mm-discouraged-alternatives '("text/html" "text/richtext")))
 (use-feature mm-decode
   :config
   (setq mm-discouraged-alternatives '("text/html" "text/richtext")))


@@ -1518,6 +1843,30 @@
 
 (use-package message-x)
 
 
 (use-package message-x)
 

+(comment
+  (use-package message-x
+    :custom
+    (message-x-completion-alist
+     (quote
+      (("\\([rR]esent-\\|[rR]eply-\\)?[tT]o:\\|[bB]?[cC][cC]:" . gnus-harvest-find-address)
+       ((if
+            (boundp
+             (quote message-newgroups-header-regexp))
+            message-newgroups-header-regexp message-newsgroups-header-regexp)
+        . message-expand-group))))))
+
+(comment
+  (use-package gnus-harvest
+    :commands gnus-harvest-install
+    :demand t
+    :config
+    (if (featurep 'message-x)
+        (gnus-harvest-install 'message-x)
+      (gnus-harvest-install))))
+
+\f
+;;; IRC
+

 (use-package znc
   :straight (:host nil :repo "https://git.bndl.org/amin/znc.el")
   :bind (("C-c a e e" . znc-erc)
 (use-package znc
   :straight (:host nil :repo "https://git.bndl.org/amin/znc.el")
   :bind (("C-c a e e" . znc-erc)


@@ -1533,6 +1882,9 @@
             ("znc.bndl.org" 1337 t
              ((moznet "amin/moznet" ,pwd)))))))
 
             ("znc.bndl.org" 1337 t
              ((moznet "amin/moznet" ,pwd)))))))
 

+\f
+;;; Post initialization
+

 (message "Loading %s...done (%.3fs)" user-init-file
          (float-time (time-subtract (current-time)
                                     a/before-user-init-time)))
 (message "Loading %s...done (%.3fs)" user-init-file
          (float-time (time-subtract (current-time)
                                     a/before-user-init-time)))