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emacs/config/general.org

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General Settings

I have some configuration tweaks on existing features in emacs.

Fancy Compile Output

Just want to add a bit of color to compilation output. This also will scroll to the first error if there is one.

(use-feature compile
  :commands (compile recompile)
  :custom (compilation-scroll-output 'first-error)
  :config
  (defun +compilation-colorize ()
    "Colorize from `compilation-filter-start' to `point'."
    (require 'ansi-color)
    (let ((inhibit-read-only t))
      (ansi-color-apply-on-region (point-min) (point-max))))
  (add-hook 'compilation-filter-hook #'+compilation-colorize))

General Emacs Settings

These are my overall emacs settings. More settings could be moved here. Though keep the loading order in mind when doing so.

(use-feature emacs
  :demand t
  :config
  (epa-file-enable)
  (setq epg-pinentry-mode 'loopback)
  (setq epa-file-encrypt-to '("xulfer@cheapbsd.net"))
  :hook
  (prog-mode-hook . flyspell-prog-mode)
  (text-mode-hook . flyspell-mode)
  :custom
  (scroll-conservatively 101 "Scroll just enough to bring text into view")
  (enable-recursive-minibuffers t "Allow minibuffer commands in minibuffer")
  (frame-title-format '(buffer-file-name "%f" ("%b"))
                      "Make frame title current file's name.")
  (find-library-include-other-files nil)
  (indent-tabs-mode nil "Use spaces, not tabs")
  (inhibit-startup-screen t)
  (history-delete-duplicates t "Don't clutter history")
  (pgtk-use-im-context-on-new-connection nil "Prevent GTK from stealing Shift + Space")
  (sentence-end-double-space nil "Double space sentence demarcation breaks sentence navigation in Evil")
  (tab-stop-list (number-sequence 2 120 2))
  (tab-width 2 "Shorter tab widths")
  (completion-styles '(flex basic partial-completion emacs22))
  (report-emacs-bug-no-explanations t)
  (report-emacs-bug-no-confirmation t)
  (setq shr-use-xwidgets-for-media t))

Diffs

I have a slight tweak to diff output here. Mainly making the diff horizontally split by default.

(use-feature ediff
  :defer t
  :custom
  (ediff-window-setup-function #'ediff-setup-windows-plain)
  (ediff-split-window-function #'split-window-horizontally)
  :config
  (add-hook 'ediff-quit-hook #'winner-undo))

Minibuffer

The minibuffer is already pretty well sorted by other packages that will be discussed later. However, there is still a bit of tidying that can be done with long paths, and some helpful file based completion.

(use-feature minibuffer
  :custom (read-file-name-completion-ignore-case t)
  :config
  (defun +minibuffer-up-dir ()
    "Trim rightmost directory component of `minibuffer-contents'."
    (interactive)
    (unless (minibufferp) (user-error "Minibuffer not selected"))
    (let* ((f (directory-file-name (minibuffer-contents)))
           (s (file-name-directory f)))
      (delete-minibuffer-contents)
      (when s (insert s))))
  (define-key minibuffer-local-filename-completion-map
              (kbd "C-h") #'+minibuffer-up-dir)
  (minibuffer-depth-indicate-mode))

Remote Editing

There are a lot of solutions for editing files, and projects remotely. At the moment tramp still seems to work perfectly well… albeit somewhat slower than I'd like.

(use-feature tramp
  :config
  ;; Enable full-featured Dirvish over TRAMP on ssh connections
  ;; https://www.gnu.org/software/tramp/#Improving-performance-of-asynchronous-remote-processes
  (connection-local-set-profile-variables
   'remote-direct-async-process
   '((tramp-direct-async-process . t)))
  (connection-local-set-profiles
   '(:application tramp :protocol "ssh")
   'remote-direct-async-process)
  ;; Tips to speed up connections
  (setq tramp-verbose 0)
  (setq tramp-chunksize 2000)
  (setq tramp-ssh-controlmaster-options nil))