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Get rid of tabs!

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After a few Gerrit changesets showed tabs, I realized that I should
have Emacs remove tabs along with trailing whitespace.
This commit is contained in:
Howard Abrams 2022-08-02 11:13:48 -07:00
parent 537aa04aff
commit 6d7b9facd1
1 changed files with 38 additions and 26 deletions
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ha-config.org
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@ -83,9 +83,9 @@ As [[https://tecosaur.github.io/emacs-config/config.html][tec wrote]], I want to
:config :config
(defvar epa-pinentry-mode) (defvar epa-pinentry-mode)
(setq epa-file-select-keys nil (setq epa-file-select-keys nil
epa-pinentry-mode 'loopback epa-pinentry-mode 'loopback
auth-sources '("~/.authinfo.gpg") auth-sources '("~/.authinfo.gpg")
auth-source-cache-expiry nil)) auth-source-cache-expiry nil))
#+end_src #+end_src
More settings: More settings:
@ -241,21 +241,32 @@ For this, I use the =request= package, which is /asynchronous/
** Initial Settings and UI ** Initial Settings and UI
Let's turn off the menu and other settings: Let's turn off the menu and other settings:
#+begin_src emacs-lisp #+begin_src emacs-lisp
(when (display-graphic-p) (when (display-graphic-p)
(tool-bar-mode -1) (tool-bar-mode -1)
(scroll-bar-mode -1) (scroll-bar-mode -1)
(horizontal-scroll-bar-mode -1) (horizontal-scroll-bar-mode -1)
(setq visible-bell 1)) (setq visible-bell 1))
#+end_src
I dislike forgetting to trim trailing white-space:
#+begin_src emacs-lisp
(add-hook 'before-save-hook 'delete-trailing-whitespace)
#+end_src #+end_src
I like being able to enable local variables in =.dir-local.el= files: I like being able to enable local variables in =.dir-local.el= files:
#+begin_src emacs-lisp #+begin_src emacs-lisp
(setq enable-local-variables t) (setq enable-local-variables t)
#+end_src
** Changes on Save
Always spaces and never tabs. Note that we use =setq-default= since [[elisp:(describe-variable 'indent-tabs-mode)][indent-tabs-mode]] is a /buffer-local/ variable, meaning that if we set it with =setq=, it will only be set in /that buffer file/. We want this globally the default:
#+begin_src emacs-lisp
(setq-default indent-tabs-mode nil)
#+end_src
When I push changes to my files to Gerrit and other code review, I don’t want trailing spaces or any tabs to appear, so let’s fix all files when I [[elisp:(describe-variable 'before-save-hook)][save them]]:
#+begin_src emacs-lisp
(defun ha-cleanup-buffer-file ()
"Cleanup a file, often done before a file save."
(interactive)
(untabify (point-min) (point-max)
(delete-trailing-whitespace)))
(add-hook 'before-save-hook #'ha-cleanup-buffer-file)
#+end_src #+end_src
** Completing Read User Interface ** Completing Read User Interface
After using Ivy, I am going the route of a =completing-read= interface that extends the original Emacs API, as opposed to implementing backend-engines or complete replacements. After using Ivy, I am going the route of a =completing-read= interface that extends the original Emacs API, as opposed to implementing backend-engines or complete replacements.
@ -369,7 +380,7 @@ Can we change Evil at this point? Some tips:
(use-package evil (use-package evil
:init :init
(setq evil-undo-system 'undo-fu (setq evil-undo-system 'undo-fu
evil-want-fine-undo t ; Be more like Emacs evil-want-fine-undo t ; Be more like Emacs
evil-disable-insert-state-bindings t evil-disable-insert-state-bindings t
evil-want-keybinding nil evil-want-keybinding nil
evil-want-integration t evil-want-integration t
@ -763,7 +774,7 @@ Ways to search for information goes under the ~s~ key. This primarily depends on
#+begin_src emacs-lisp #+begin_src emacs-lisp
(use-package rg (use-package rg
:init ; I sometimes call `grep`: :init ; I sometimes call `grep`:
; (grep-apply-setting 'grep-command "rg -n -H --no-heading -e ") ; (grep-apply-setting 'grep-command "rg -n -H --no-heading -e ")
:config :config
@ -928,7 +939,7 @@ The [[https://github.com/oantolin/embark/][embark]] project offers /actions/ on
#+begin_src emacs-lisp #+begin_src emacs-lisp
(use-package embark (use-package embark
:bind :bind
(("s-;" . embark-act) ; Work in minibuffer and elsewhere (("s-;" . embark-act) ; Work in minibuffer and elsewhere
("s-/" . embark-dwim)) ("s-/" . embark-dwim))
:init :init
@ -1427,15 +1438,16 @@ The [[https://scripter.co/using-git-delta-with-magit][magit-delta]] project uses
I also need to append the following to my [[file:~/.gitconfig][~/.gitconfig]] file: I also need to append the following to my [[file:~/.gitconfig][~/.gitconfig]] file:
#+begin_src conf #+begin_src conf
[delta] [delta]
minus-style = normal "#8f0001" minus-style = normal "#8f0001"
minus-non-emph-style = normal "#8f0001" minus-non-emph-style = normal "#8f0001"
minus-emph-style = normal bold "#d01011" minus-emph-style = normal bold "#d01011"
minus-empty-line-marker-style = normal "#8f0001" minus-empty-line-marker-style = normal "#8f0001"
zero-style = syntax zero-style = syntax
plus-style = syntax "#006800" plus-style = syntax "#006800"
plus-non-emph-style = syntax "#006800" plus-non-emph-style = syntax "#006800"
plus-emph-style = syntax "#009000" plus-emph-style = syntax "#009000"
plus-empty-line-marker-style = normal "#006800" plus-empty-line-marker-style = normal "#006800"
#+end_src
#+end_src #+end_src
*** Time Machine *** Time Machine
The [[https://github.com/emacsmirror/git-timemachine][git-timemachine]] project visually shows how a code file changes with each iteration: The [[https://github.com/emacsmirror/git-timemachine][git-timemachine]] project visually shows how a code file changes with each iteration: