feat(wpcarro/emacs): Package fs.el

According to SourceGraph, this is unused, but I'm checking it in for historical
purposes.

Change-Id: I24bcb1c71a9f6de527bb54057cf13d01493c45bf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6016
Tested-by: BuildkiteCI
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>

users/wpcarro/emacs/.emacs.d/wpc/fs.el

@@ -1,69 +0,0 @@
-;;; fs.el --- Make working with the filesystem easier -*- lexical-binding: t -*-
-
-;; Author: William Carroll <wpcarro@gmail.com>
-;; Version: 0.0.1
-;; Package-Requires: ((emacs "24.1"))
-
-;;; Commentary:
-;; Ergonomic alternatives for working with the filesystem.
-
-;;; Code:
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Dependencies
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(require 'dash)
-(require 'f)
-(require 's)
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Library
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(defun fs-ensure-file (path)
-  "Ensure that a file and its directories in `PATH' exist.
-Will error for inputs with a trailing slash."
-  (when (s-ends-with? "/" path)
-    (error (format "Input path has trailing slash: %s" path)))
-  (->> path
-       f-dirname
-       fs-ensure-dir)
-  (f-touch path))
-
-(f-dirname "/tmp/a/b/file.txt")
-
-(defun fs-ensure-dir (path)
-  "Ensure that a directory and its ancestor directories in `PATH' exist."
-  (->> path
-       f-split
-       (apply #'f-mkdir)))
-
-(defun fs-ls (dir &optional full-path?)
-  "List the files in `DIR' one-level deep.
-Should behave similarly in spirit to the Unix command, ls.
-If `FULL-PATH?' is set, return the full-path of the files."
-  (-drop 2 (directory-files dir full-path?)))
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Tests
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(ert-deftest fs-test-ensure-file ()
-  (let ((file "/tmp/file/a/b/c/file.txt"))
-    ;; Ensure this file doesn't exist first to prevent false-positives.
-    (f-delete file t)
-    (fs-ensure-file file)
-    (should (and (f-exists? file)
-                 (f-file? file)))))
-
-(ert-deftest fs-test-ensure-dir ()
-  (let ((dir "/tmp/dir/a/b/c"))
-    ;; Ensure the directory doesn't exist.
-    (f-delete dir t)
-    (fs-ensure-dir dir)
-    (should (and (f-exists? dir)
-                 (f-dir? dir)))))
-
-(provide 'fs)
-;;; fs.el ends here