tvl-depot/emacs/.emacs.d/wpc/constants.el
William Carroll 837cfe07c7 Rename dotfiles -> briefcase
Renaming my mono-repo briefcase.

I first introduced this commit in master, but it introduced a bug where one of
two things would happen:

1. Emacs wouldn't start and would crash X.
2. Emacs would start but my keyboard wouldn't work.

I learned some valuable debugging skills in the process. Here are some of them:

When my keyboard was broken, I wanted to control my computer using my
laptop. Thankfully this is possible by using `x2x`, which forward X events from
the SSH client to the SSH host.

```shell
> # I'm unsure if this is the *exact* command
> ssh -X desktop x2x -west :0.0
```

Git commit-local bisecting. I didn't need to do a `git bisect` because I knew
which commit introduced the bug; it was HEAD, master. But -- as you can see from
the size of this commit -- there are many changes involved. I wanted to binary
search through the changes, so I did the following workflow using `magit`:

- git reset --soft HEAD^
- git stash 1/2 of the files changed
- re-run `nix-env -f ~/briefcase/emacs -i`
- restart X session
- If the problem persists, the bug exists in the non-stashed files. Repeat the
  process until you find the bug.

In my case, the bug was pretty benign. Calling `(exwm/switch "Dotfiles")` at the
bottom of `window-manager.el` was failing because "Dotfiles" is the name of a
non-existent workspace; it should've been `(exwm/switch "Briefcase")`.

There may have been more problems. I changed a few other things along the way,
including exposing the env vars BRIEFCASE to `wpcarros-emacs` inside of
`emacs/default.nix`.

The important part is that this was a valuable learning opportunity, and I'm
glad that I'm walking away from the two days of "lost productivity" feeling
actually productive.
2020-01-31 15:27:48 +00:00

41 lines
1.6 KiB
EmacsLisp

;;; constants.el --- Constants for organizing my Emacs -*- lexical-binding: t -*-
;; Authpr: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; This file contains constants that are shared across my configuration.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'prelude)
(require 'f)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Configuration
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; TODO: Consider merging `ui.el' and `misc.el' because those are the only
;; current consumers of these constants, and I'm unsure if the indirection that
;; globally defined constants introduces is worth it.
(defconst constants/current-project "~/briefcase/blog"
"Variable holding the directory for my currently active project.")
(prelude/assert (f-directory? constants/current-project))
(defconst constants/mouse-kbds
'([mouse-1] [down-mouse-1] [drag-mouse-1] [double-mouse-1] [triple-mouse-1]
[mouse-2] [down-mouse-2] [drag-mouse-2] [double-mouse-2] [triple-mouse-2]
[mouse-3] [down-mouse-3] [drag-mouse-3] [double-mouse-3] [triple-mouse-3]
[mouse-4] [down-mouse-4] [drag-mouse-4] [double-mouse-4] [triple-mouse-4]
[mouse-5] [down-mouse-5] [drag-mouse-5] [double-mouse-5] [triple-mouse-5])
"All of the mouse-related keybindings that Emacs recognizes.")
(defconst constants/fill-column 80
"Variable used to set the defaults for wrapping, highlighting, etc.")
(provide 'constants)
;;; constants.el ends here