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