mirror of
https://github.com/chrisbarrett/nursery
synced 2025-08-09 12:57:22 -05:00
137 lines
4.5 KiB
EmacsLisp
137 lines
4.5 KiB
EmacsLisp
;;; org-roam-gc.el --- Clean up empty roam files -*- lexical-binding: t; -*-
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;; Copyright (C) 2022 Chris Barrett
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;; Author: Chris Barrett <chris+emacs@walrus.cool>
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;; Homepage: https://github.com/chrisbarrett/nursery
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;; Version: 0.0.1-pre
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;; Package-Requires: ((emacs "27.1") (org "9.5.3") (org-roam "2.2.2"))
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Simple package that deletes dailies files that don't have anything in them.
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;; Example configuration:
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;;
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;; (use-package org-roam-gc
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;; :after org-roam
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;; :demand t
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;; :hook (org-mode . org-roam-gc-automatically))
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;;; Code:
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(require 'org-roam)
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(require 'org-roam-dailies)
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(defconst org-roam-gc-prompt-before-deleting-p nil
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"Whether to prompt before removing files when run interactively.")
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(defconst org-roam-gc-debug nil
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"Whether to output extra messages for debugging purposes.")
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(defun org-roam-gc--empty-content-p (buf)
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(with-current-buffer buf
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(save-restriction
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(widen)
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(save-excursion
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(goto-char (point-min))
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(while (equal 'property-drawer (org-element-type (org-element-at-point)))
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(org-forward-element))
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(while (and (equal 'keyword (org-element-type (org-element-at-point)))
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(ignore-errors
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(org-forward-element)
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t)))
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(or (eobp)
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(string-blank-p (buffer-substring (1+ (point)) (point-max))))))))
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(defun org-roam-gc--empty-file-content-p (file)
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(with-temp-buffer
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(insert-file-contents file)
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(org-roam-gc--empty-content-p (current-buffer))))
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(defun org-roam-gc-dailies-files ()
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(require 'org-roam)
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(require 'org-roam-dailies)
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(let ((path (expand-file-name org-roam-dailies-directory org-roam-directory)))
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(seq-filter #'file-regular-p (directory-files path t))))
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(defmacro org-roam-gc--log (msg &rest args)
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`(when org-roam-gc-debug
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(message (concat "org-roam-gc: " ,msg) ,@args)
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nil))
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(defun org-roam-gc--file-editing-p (file)
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(when-let* ((buf (find-buffer-visiting file)))
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(or (buffer-modified-p buf)
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(get-buffer-window-list buf))))
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(defun org-roam-gc--remove-file (file confirm-p)
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(let ((file (expand-file-name file)))
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(cond
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((org-roam-gc--file-editing-p file)
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(org-roam-gc--log "Skipping open file: %s" file))
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(t
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(org-roam-gc--log "Removing file: %s" file)
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(with-current-buffer (find-file file)
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(when (or (not confirm-p)
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(y-or-n-p (format "Delete file `%s'? " (abbreviate-file-name file))))
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(kill-buffer)
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(delete-file file)))
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t))))
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(defun org-roam-gc (&optional interactive)
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"Delete empty org-roam dailies.
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Optional arg INTERACTIVE determines whether to query before
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removing files."
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(interactive "p")
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(let ((count
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(thread-last (org-roam-gc-dailies-files)
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(seq-filter #'org-roam-gc--empty-file-content-p)
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(seq-filter (lambda (file)
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(org-roam-gc--remove-file file (and interactive
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org-roam-gc-prompt-before-deleting-p))))
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(length))))
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(cond
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(interactive
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(message "Deleted %s file%s" count (if (eq 1 count) "" "s")))
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((< 0 count)
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(message "org-roam-gc deleted %s file%s" count (if (eq 1 count) "" "s"))))))
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(defun org-roam-gc--maybe-remove-this-file ()
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(when-let* ((file (buffer-file-name)))
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(cond
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((not (derived-mode-p 'org-mode))
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(org-roam-gc--log "Skipping non-org file: %s" file))
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((and (org-roam-gc--empty-content-p (current-buffer))
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(org-roam-dailies--daily-note-p))
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(org-roam-gc--log "Removing file: %s" file)
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(delete-file (buffer-file-name)))
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(t
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(org-roam-gc--log "Skipping file: %s" file)))))
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;;;###autoload
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(defun org-roam-gc-automatically ()
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(add-hook 'kill-buffer-hook #'org-roam-gc--maybe-remove-this-file nil t))
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(provide 'org-roam-gc)
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;;; org-roam-gc.el ends here
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