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https://git.savannah.gnu.org/git/emacs/org-mode.git
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789 lines
30 KiB
EmacsLisp
789 lines
30 KiB
EmacsLisp
;;; org-attach.el --- Manage file attachments to Org outlines -*- lexical-binding: t; -*-
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;; Copyright (C) 2008-2021 Free Software Foundation, Inc.
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;; Author: John Wiegley <johnw@newartisans.com>
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;; Keywords: org data attachment
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs 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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;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; See the Org manual for information on how to use it.
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;;
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;; Attachments are managed either by using a custom property DIR or by
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;; using property ID from org-id. When DIR is defined, a location in
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;; the filesystem is directly attached to the outline node. When
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;; org-id is used, attachments are stored in a folder named after the
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;; ID, in a location defined by `org-attach-id-dir'. DIR has
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;; precedence over ID when both parameters are defined for the current
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;; outline node (also when inherited parameters are taken into
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;; account).
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;;; Code:
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(require 'cl-lib)
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(require 'org)
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(require 'ol)
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(require 'org-id)
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(declare-function dired-dwim-target-directory "dired-aux")
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(declare-function dired-get-marked-files "dired" (&optional localp arg filter distinguish-one-marked error))
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(declare-function org-element-property "org-element" (property element))
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(declare-function org-element-type "org-element" (element))
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(declare-function org-inlinetask-goto-beginning "org-inlinetask" ())
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(declare-function org-inlinetask-in-task-p "org-inlinetask" ())
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(defgroup org-attach nil
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"Options concerning attachments in Org mode."
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:tag "Org Attach"
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:group 'org)
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(defcustom org-attach-id-dir "data/"
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"The directory where attachments are stored.
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If this is a relative path, it will be interpreted relative to the directory
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where the Org file lives."
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:group 'org-attach
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:type 'directory
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:safe #'stringp)
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(defcustom org-attach-dir-relative nil
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"Non-nil means directories in DIR property are added as relative links.
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Defaults to absolute location."
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:group 'org-attach
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:type 'boolean
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:package-version '(Org . "9.3")
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:safe #'booleanp)
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(defcustom org-attach-auto-tag "ATTACH"
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"Tag that will be triggered automatically when an entry has an attachment."
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:group 'org-attach
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:type '(choice
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(const :tag "None" nil)
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(string :tag "Tag")))
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(defcustom org-attach-preferred-new-method 'id
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"Preferred way to attach to nodes without existing ID and DIR property.
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This choice is used when adding attachments to nodes without ID
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and DIR properties.
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Allowed values are:
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id Create and use an ID parameter
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dir Create and use a DIR parameter
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ask Ask the user for input of which method to choose
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nil Prefer to not create a new parameter
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nil means that ID or DIR has to be created explicitly
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before attaching files."
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:group 'org-attach
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:package-version '(org . "9.3")
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:type '(choice
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(const :tag "ID parameter" id)
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(const :tag "DIR parameter" dir)
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(const :tag "Ask user" ask)
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(const :tag "Don't create" nil)))
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(defcustom org-attach-method 'cp
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"The preferred method to attach a file.
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Allowed values are:
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mv rename the file to move it into the attachment directory
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cp copy the file
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ln create a hard link. Note that this is not supported
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on all systems, and then the result is not defined.
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lns create a symbol link. Note that this is not supported
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on all systems, and then the result is not defined."
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:group 'org-attach
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:type '(choice
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(const :tag "Copy" cp)
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(const :tag "Move/Rename" mv)
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(const :tag "Hard Link" ln)
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(const :tag "Symbol Link" lns)))
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(defcustom org-attach-expert nil
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"Non-nil means do not show the splash buffer with the attach dispatcher."
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:group 'org-attach
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:type 'boolean)
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(defcustom org-attach-use-inheritance 'selective
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"Attachment inheritance for the outline.
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Enabling inheritance for `org-attach' implies two things. First,
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that attachment links will look through all parent headings until
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it finds the linked attachment. Second, that running `org-attach'
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inside a node without attachments will make `org-attach' operate on
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the first parent heading it finds with an attachment.
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Selective means to respect the inheritance setting in
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`org-use-property-inheritance'."
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:group 'org-attach
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:type '(choice
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(const :tag "Don't use inheritance" nil)
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(const :tag "Inherit parent node attachments" t)
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(const :tag "Respect org-use-property-inheritance" selective)))
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(defcustom org-attach-store-link-p nil
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"Non-nil means store a link to a file when attaching it."
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:group 'org-attach
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:version "24.1"
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:type '(choice
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(const :tag "Don't store link" nil)
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(const :tag "Link to origin location" t)
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(const :tag "Attachment link to the attach-dir location" attached)
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(const :tag "File link to the attach-dir location" file)))
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(defcustom org-attach-archive-delete nil
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"Non-nil means attachments are deleted upon archiving a subtree.
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When set to `query', ask the user instead."
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:group 'org-attach
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:version "26.1"
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:package-version '(Org . "8.3")
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:type '(choice
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(const :tag "Never delete attachments" nil)
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(const :tag "Always delete attachments" t)
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(const :tag "Query the user" query)))
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(defun org-attach-id-uuid-folder-format (id)
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"Translate an UUID ID into a folder-path.
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Default format for how Org translates ID properties to a path for
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attachments. Useful if ID is generated with UUID."
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(format "%s/%s"
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(substring id 0 2)
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(substring id 2)))
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(defun org-attach-id-ts-folder-format (id)
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"Translate an ID based on a timestamp to a folder-path.
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Useful way of translation if ID is generated based on ISO8601
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timestamp. Splits the attachment folder hierarchy into
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year-month, the rest."
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(format "%s/%s"
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(substring id 0 6)
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(substring id 6)))
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(defcustom org-attach-id-to-path-function-list '(org-attach-id-uuid-folder-format
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org-attach-id-ts-folder-format)
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"List of functions parsing an ID string into a folder-path.
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The first function in this list defines the preferred function
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which will be used when creating new attachment folders. All
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functions of this list will be tried when looking for existing
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attachment folders based on ID."
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:group 'org-attach
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:package-version '(Org . "9.3")
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:type '(repeat (function :tag "Function with ID as input")))
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(defvar org-attach-after-change-hook nil
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"Hook called when files have been added or removed to the attachment folder.")
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(defvar org-attach-open-hook nil
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"Hook that is invoked by `org-attach-open'.
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Created mostly to be compatible with org-attach-git after removing
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git-functionality from this file.")
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(defcustom org-attach-commands
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'(((?a ?\C-a) org-attach-attach
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"Select a file and attach it to the task, using `org-attach-method'.")
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((?c ?\C-c) org-attach-attach-cp
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"Attach a file using copy method.")
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((?m ?\C-m) org-attach-attach-mv
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"Attach a file using move method.")
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((?l ?\C-l) org-attach-attach-ln
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"Attach a file using link method.")
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((?y ?\C-y) org-attach-attach-lns
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"Attach a file using symbolic-link method.")
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((?u ?\C-u) org-attach-url
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"Attach a file from URL (downloading it).")
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((?b) org-attach-buffer
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"Select a buffer and attach its contents to the task.")
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((?n ?\C-n) org-attach-new
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"Create a new attachment, as an Emacs buffer.")
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((?z ?\C-z) org-attach-sync
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"Synchronize the current node with its attachment\n directory, in case \
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you added attachments yourself.\n")
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((?o ?\C-o) org-attach-open
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"Open current node's attachments.")
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((?O) org-attach-open-in-emacs
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"Like \"o\", but force opening in Emacs.")
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((?f ?\C-f) org-attach-reveal
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"Open current node's attachment directory. Create if missing.")
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((?F) org-attach-reveal-in-emacs
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"Like \"f\", but force using Dired in Emacs.\n")
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((?d ?\C-d) org-attach-delete-one
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"Delete one attachment, you will be prompted for a file name.")
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((?D) org-attach-delete-all
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"Delete all of a node's attachments. A safer way is\n to open the \
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directory in dired and delete from there.\n")
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((?s ?\C-s) org-attach-set-directory
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"Set a specific attachment directory for this entry. Sets DIR property.")
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((?S ?\C-S) org-attach-unset-directory
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"Unset the attachment directory for this entry. Removes DIR property.")
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((?q) (lambda () (interactive) (message "Abort")) "Abort."))
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"The list of commands for the attachment dispatcher.
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Each entry in this list is a list of three elements:
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- A list of keys (characters) to select the command (the fist
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character in the list is shown in the attachment dispatcher's
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splash buffer and minibuffer prompt).
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- A command that is called interactively when one of these keys
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is pressed.
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- A docstring for this command in the attachment dispatcher's
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splash buffer."
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:group 'org-attach
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:package-version '(Org . "9.3")
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:type '(repeat (list (repeat :tag "Keys" character)
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(function :tag "Command")
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(string :tag "Docstring"))))
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(defcustom org-attach-sync-delete-empty-dir 'query
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"Determine what to do with an empty attachment directory on sync.
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When set to nil, don't touch the directory. When set to `query',
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ask the user instead, else remove without asking."
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:group 'org-attach
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:package-version '(Org . "9.5")
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:type '(choice
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(const :tag "Never delete" nil)
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(const :tag "Always delete" t)
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(const :tag "Query the user" query)))
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;;;###autoload
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(defun org-attach ()
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"The dispatcher for attachment commands.
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Shows a list of commands and prompts for another key to execute a command."
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(interactive)
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(let ((dir (org-attach-dir nil 'no-fs-check))
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c marker)
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(when (eq major-mode 'org-agenda-mode)
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(setq marker (or (get-text-property (point) 'org-hd-marker)
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(get-text-property (point) 'org-marker)))
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(unless marker
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(error "No item in current line")))
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(org-with-point-at marker
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(if (and (featurep 'org-inlinetask)
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(not (org-inlinetask-in-task-p)))
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(org-with-limited-levels
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(org-back-to-heading-or-point-min t))
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(if (and (featurep 'org-inlinetask)
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(org-inlinetask-in-task-p))
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(org-inlinetask-goto-beginning)
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(org-back-to-heading-or-point-min t)))
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(save-excursion
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(save-window-excursion
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(unless org-attach-expert
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(org-switch-to-buffer-other-window "*Org Attach*")
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(erase-buffer)
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(setq cursor-type nil
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header-line-format "Use C-v, M-v, C-n or C-p to navigate.")
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(insert
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(concat "Attachment folder:\n"
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(or dir
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"Can't find an existing attachment-folder")
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(unless (and dir (file-directory-p dir))
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"\n(Not yet created)")
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"\n\n"
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(format "Select an Attachment Command:\n\n%s"
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(mapconcat
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(lambda (entry)
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(pcase entry
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(`((,key . ,_) ,_ ,docstring)
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(format "%c %s"
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key
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(replace-regexp-in-string "\n\\([\t ]*\\)"
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" "
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docstring
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nil nil 1)))
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(_
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(user-error
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"Invalid `org-attach-commands' item: %S"
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entry))))
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org-attach-commands
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"\n")))))
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(org-fit-window-to-buffer (get-buffer-window "*Org Attach*"))
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(let ((msg (format "Select command: [%s]"
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(concat (mapcar #'caar org-attach-commands)))))
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(message msg)
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(while (and (setq c (read-char-exclusive))
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(memq c '(14 16 22 134217846)))
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(org-scroll c t)))
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(and (get-buffer "*Org Attach*") (kill-buffer "*Org Attach*"))))
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(let ((command (cl-some (lambda (entry)
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(and (memq c (nth 0 entry)) (nth 1 entry)))
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org-attach-commands)))
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(if (commandp command t)
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(call-interactively command)
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(error "No such attachment command: %c" c))))))
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(defun org-attach-dir (&optional create-if-not-exists-p no-fs-check)
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"Return the directory associated with the current outline node.
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First check for DIR property, then ID property.
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`org-attach-use-inheritance' determines whether inherited
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properties also will be considered.
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If an ID property is found the default mechanism using that ID
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will be invoked to access the directory for the current entry.
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Note that this method returns the directory as declared by ID or
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DIR even if the directory doesn't exist in the filesystem.
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If CREATE-IF-NOT-EXISTS-P is non-nil, `org-attach-dir-get-create'
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is run. If NO-FS-CHECK is non-nil, the function returns the path
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to the attachment even if it has not yet been initialized in the
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filesystem.
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If no attachment directory can be derived, return nil."
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(let (attach-dir id)
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(cond
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(create-if-not-exists-p
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(setq attach-dir (org-attach-dir-get-create)))
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((setq attach-dir (org-entry-get nil "DIR" org-attach-use-inheritance))
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(org-attach-check-absolute-path attach-dir))
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;; Deprecated and removed from documentation, but still
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;; works. FIXME: Remove after major nr change.
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((setq attach-dir (org-entry-get nil "ATTACH_DIR" org-attach-use-inheritance))
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(org-attach-check-absolute-path attach-dir))
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((setq id (org-entry-get nil "ID" org-attach-use-inheritance))
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(org-attach-check-absolute-path nil)
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(setq attach-dir (org-attach-dir-from-id id 'try-all))))
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(if no-fs-check
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attach-dir
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(when (and attach-dir (file-directory-p attach-dir))
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attach-dir))))
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(defun org-attach-dir-get-create ()
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"Return existing or new directory associated with the current outline node.
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`org-attach-preferred-new-method' decides how to attach new
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directory if neither ID nor DIR property exist.
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If the attachment by some reason cannot be created an error will be raised."
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(interactive)
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(let ((attach-dir (org-attach-dir nil 'no-fs-check)))
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(unless attach-dir
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(let (answer)
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(when (eq org-attach-preferred-new-method 'ask)
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(message "Create new ID [1] property or DIR [2] property for attachments?")
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(setq answer (read-char-exclusive)))
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(cond
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((or (eq org-attach-preferred-new-method 'id) (eq answer ?1))
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(setq attach-dir (org-attach-dir-from-id (org-id-get nil t))))
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((or (eq org-attach-preferred-new-method 'dir) (eq answer ?2))
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(setq attach-dir (org-attach-set-directory)))
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((eq org-attach-preferred-new-method 'nil)
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(error "No existing directory. DIR or ID property has to be explicitly created")))))
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(unless attach-dir
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(error "No attachment directory is associated with the current node"))
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(unless (file-directory-p attach-dir)
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(make-directory attach-dir t))
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attach-dir))
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(defun org-attach-dir-from-id (id &optional try-all)
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"Return a folder path based on `org-attach-id-dir' and ID.
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If TRY-ALL is non-nil, try all id-to-path functions in
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`org-attach-id-to-path-function-list' and return the first path
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that exist in the filesystem, or the first one if none exist.
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Otherwise only use the first function in that list."
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(let ((attach-dir-preferred (expand-file-name
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(funcall (car org-attach-id-to-path-function-list) id)
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(expand-file-name org-attach-id-dir))))
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(if try-all
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(let ((attach-dir attach-dir-preferred)
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(fun-list (cdr org-attach-id-to-path-function-list)))
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(while (and fun-list (not (file-directory-p attach-dir)))
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(setq attach-dir (expand-file-name
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(funcall (car fun-list) id)
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(expand-file-name org-attach-id-dir)))
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(setq fun-list (cdr fun-list)))
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(if (file-directory-p attach-dir)
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attach-dir
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attach-dir-preferred))
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attach-dir-preferred)))
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(defun org-attach-check-absolute-path (dir)
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"Check if we have enough information to root the attachment directory.
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When DIR is given, check also if it is already absolute. Otherwise,
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assume that it will be relative, and check if `org-attach-id-dir' is
|
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absolute, or if at least the current buffer has a file name.
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Throw an error if we cannot root the directory."
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(or (and dir (file-name-absolute-p dir))
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(file-name-absolute-p org-attach-id-dir)
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(buffer-file-name (buffer-base-buffer))
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(error "Need absolute `org-attach-id-dir' to attach in buffers without filename")))
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(defun org-attach-set-directory ()
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"Set the DIR node property and ask to move files there.
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The property defines the directory that is used for attachments
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of the entry. Creates relative links if `org-attach-dir-relative'
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is non-nil.
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Return the directory."
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(interactive)
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(let ((old (org-attach-dir))
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(new
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(let* ((attach-dir (read-directory-name
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"Attachment directory: "
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(org-entry-get nil "DIR")))
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(current-dir (file-name-directory (or default-directory
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buffer-file-name)))
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(attach-dir-relative (file-relative-name attach-dir current-dir)))
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(org-entry-put nil "DIR" (if org-attach-dir-relative
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attach-dir-relative
|
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attach-dir))
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attach-dir)))
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(unless (or (string= old new)
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(not old))
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(when (yes-or-no-p "Copy over attachments from old directory? ")
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(copy-directory old new t t t))
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(when (yes-or-no-p (concat "Delete " old))
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||
(delete-directory old t)))
|
||
new))
|
||
|
||
(defun org-attach-unset-directory ()
|
||
"Remove DIR node property.
|
||
If attachment folder is changed due to removal of DIR-property
|
||
ask to move attachments to new location and ask to delete old
|
||
attachment-folder.
|
||
|
||
Change of attachment-folder due to unset might be if an ID
|
||
property is set on the node, or if a separate inherited
|
||
DIR-property exists (that is different from the unset one)."
|
||
(interactive)
|
||
(let ((old (org-attach-dir))
|
||
(new
|
||
(progn
|
||
(org-entry-delete nil "DIR")
|
||
;; ATTACH-DIR is deprecated and removed from documentation,
|
||
;; but still works. Remove code for it after major nr change.
|
||
(org-entry-delete nil "ATTACH_DIR")
|
||
(org-attach-dir))))
|
||
(unless (or (string= old new)
|
||
(not old))
|
||
(when (and new (yes-or-no-p "Copy over attachments from old directory? "))
|
||
(copy-directory old new t nil t))
|
||
(when (yes-or-no-p (concat "Delete " old))
|
||
(delete-directory old t)))))
|
||
|
||
(defun org-attach-tag (&optional off)
|
||
"Turn the autotag on or (if OFF is set) off."
|
||
(when org-attach-auto-tag
|
||
(save-excursion
|
||
(org-back-to-heading t)
|
||
(org-toggle-tag org-attach-auto-tag (if off 'off 'on)))))
|
||
|
||
(defun org-attach-untag ()
|
||
"Turn the autotag off."
|
||
(org-attach-tag 'off))
|
||
|
||
(defun org-attach-url (url)
|
||
"Attach URL."
|
||
(interactive "MURL of the file to attach: \n")
|
||
(let ((org-attach-method 'url))
|
||
(org-attach-attach url)))
|
||
|
||
(defun org-attach-buffer (buffer-name)
|
||
"Attach BUFFER-NAME's contents to current outline node.
|
||
BUFFER-NAME is a string. Signals a `file-already-exists' error
|
||
if it would overwrite an existing filename."
|
||
(interactive "bBuffer whose contents should be attached: ")
|
||
(let* ((attach-dir (org-attach-dir 'get-create))
|
||
(output (expand-file-name buffer-name attach-dir)))
|
||
(when (file-exists-p output)
|
||
(signal 'file-already-exists (list "File exists" output)))
|
||
(run-hook-with-args 'org-attach-after-change-hook attach-dir)
|
||
(org-attach-tag)
|
||
(with-temp-file output
|
||
(insert-buffer-substring buffer-name))))
|
||
|
||
(defun org-attach-attach (file &optional visit-dir method)
|
||
"Move/copy/link FILE into the attachment directory of the current outline node.
|
||
If VISIT-DIR is non-nil, visit the directory with `dired'.
|
||
METHOD may be `cp', `mv', `ln', `lns' or `url' default taken from
|
||
`org-attach-method'."
|
||
(interactive
|
||
(list
|
||
(read-file-name "File to keep as an attachment: "
|
||
(or (progn
|
||
(require 'dired-aux)
|
||
(dired-dwim-target-directory))
|
||
default-directory))
|
||
current-prefix-arg
|
||
nil))
|
||
(setq method (or method org-attach-method))
|
||
(let ((basename (file-name-nondirectory file)))
|
||
(let* ((attach-dir (org-attach-dir 'get-create))
|
||
(attach-file (expand-file-name basename attach-dir)))
|
||
(cond
|
||
((eq method 'mv) (rename-file file attach-file))
|
||
((eq method 'cp) (copy-file file attach-file))
|
||
((eq method 'ln) (add-name-to-file file attach-file))
|
||
((eq method 'lns) (make-symbolic-link file attach-file))
|
||
((eq method 'url) (url-copy-file file attach-file)))
|
||
(run-hook-with-args 'org-attach-after-change-hook attach-dir)
|
||
(org-attach-tag)
|
||
(cond ((eq org-attach-store-link-p 'attached)
|
||
(push (list (concat "attachment:" (file-name-nondirectory attach-file))
|
||
(file-name-nondirectory attach-file))
|
||
org-stored-links))
|
||
((eq org-attach-store-link-p t)
|
||
(push (list (concat "file:" file)
|
||
(file-name-nondirectory file))
|
||
org-stored-links))
|
||
((eq org-attach-store-link-p 'file)
|
||
(push (list (concat "file:" attach-file)
|
||
(file-name-nondirectory attach-file))
|
||
org-stored-links)))
|
||
(if visit-dir
|
||
(dired attach-dir)
|
||
(message "File %S is now an attachment" basename)))))
|
||
|
||
(defun org-attach-attach-cp ()
|
||
"Attach a file by copying it."
|
||
(interactive)
|
||
(let ((org-attach-method 'cp)) (call-interactively 'org-attach-attach)))
|
||
(defun org-attach-attach-mv ()
|
||
"Attach a file by moving (renaming) it."
|
||
(interactive)
|
||
(let ((org-attach-method 'mv)) (call-interactively 'org-attach-attach)))
|
||
(defun org-attach-attach-ln ()
|
||
"Attach a file by creating a hard link to it.
|
||
Beware that this does not work on systems that do not support hard links.
|
||
On some systems, this apparently does copy the file instead."
|
||
(interactive)
|
||
(let ((org-attach-method 'ln)) (call-interactively 'org-attach-attach)))
|
||
(defun org-attach-attach-lns ()
|
||
"Attach a file by creating a symbolic link to it.
|
||
|
||
Beware that this does not work on systems that do not support symbolic links.
|
||
On some systems, this apparently does copy the file instead."
|
||
(interactive)
|
||
(let ((org-attach-method 'lns)) (call-interactively 'org-attach-attach)))
|
||
|
||
(defun org-attach-new (file)
|
||
"Create a new attachment FILE for the current outline node.
|
||
The attachment is created as an Emacs buffer."
|
||
(interactive "sCreate attachment named: ")
|
||
(let ((attach-dir (org-attach-dir 'get-create)))
|
||
(org-attach-tag)
|
||
(find-file (expand-file-name file attach-dir))
|
||
(message "New attachment %s" file)))
|
||
|
||
(defun org-attach-delete-one (&optional attachment)
|
||
"Delete a single ATTACHMENT."
|
||
(interactive)
|
||
(let* ((attach-dir (org-attach-dir))
|
||
(files (org-attach-file-list attach-dir))
|
||
(attachment (or attachment
|
||
(completing-read
|
||
"Delete attachment: "
|
||
(mapcar (lambda (f)
|
||
(list (file-name-nondirectory f)))
|
||
files)))))
|
||
(setq attachment (expand-file-name attachment attach-dir))
|
||
(unless (file-exists-p attachment)
|
||
(error "No such attachment: %s" attachment))
|
||
(delete-file attachment)
|
||
(run-hook-with-args 'org-attach-after-change-hook attach-dir)))
|
||
|
||
(defun org-attach-delete-all (&optional force)
|
||
"Delete all attachments from the current outline node.
|
||
This actually deletes the entire attachment directory.
|
||
A safer way is to open the directory in `dired' and delete from there.
|
||
|
||
With prefix argument FORCE, directory will be recursively deleted
|
||
with no prompts."
|
||
(interactive "P")
|
||
(let ((attach-dir (org-attach-dir)))
|
||
(when (and attach-dir
|
||
(or force
|
||
(yes-or-no-p "Really remove all attachments of this entry? ")))
|
||
(delete-directory attach-dir
|
||
(or force (yes-or-no-p "Recursive?"))
|
||
t)
|
||
(message "Attachment directory removed")
|
||
(run-hook-with-args 'org-attach-after-change-hook attach-dir)
|
||
(org-attach-untag))))
|
||
|
||
(defun org-attach-sync ()
|
||
"Synchronize the current outline node with its attachments.
|
||
Useful after files have been added/removed externally. Option
|
||
`org-attach-sync-delete-empty-dir' controls the behavior for
|
||
empty attachment directories."
|
||
(interactive)
|
||
(let ((attach-dir (org-attach-dir)))
|
||
(if (not attach-dir)
|
||
(org-attach-tag 'off)
|
||
(run-hook-with-args 'org-attach-after-change-hook attach-dir)
|
||
(let ((files (org-attach-file-list attach-dir)))
|
||
(org-attach-tag (not files)))
|
||
(when org-attach-sync-delete-empty-dir
|
||
(when (and (org-directory-empty-p attach-dir)
|
||
(if (eq 'query org-attach-sync-delete-empty-dir)
|
||
(yes-or-no-p "Attachment directory is empty. Delete?")
|
||
t))
|
||
(delete-directory attach-dir))))))
|
||
|
||
(defun org-attach-file-list (directory)
|
||
"Return a list of files in the attachment DIRECTORY.
|
||
This ignores files ending in \"~\"."
|
||
(delq nil
|
||
(mapcar (lambda (x) (if (string-match "^\\.\\.?\\'" x) nil x))
|
||
(directory-files directory nil "[^~]\\'"))))
|
||
|
||
(defun org-attach-reveal ()
|
||
"Show the attachment directory of the current outline node.
|
||
This will attempt to use an external program to show the
|
||
directory. Will create an attachment and folder if it doesn't
|
||
exist yet. Respects `org-attach-preferred-new-method'."
|
||
(interactive)
|
||
(org-open-file (org-attach-dir-get-create)))
|
||
|
||
(defun org-attach-reveal-in-emacs ()
|
||
"Show the attachment directory of the current outline node in `dired'.
|
||
Will create an attachment and folder if it doesn't exist yet.
|
||
Respects `org-attach-preferred-new-method'."
|
||
(interactive)
|
||
(dired (org-attach-dir-get-create)))
|
||
|
||
(defun org-attach-open (&optional in-emacs)
|
||
"Open an attachment of the current outline node.
|
||
If there are more than one attachment, you will be prompted for the file name.
|
||
This command will open the file using the settings in `org-file-apps'
|
||
and in the system-specific variants of this variable.
|
||
If IN-EMACS is non-nil, force opening in Emacs."
|
||
(interactive "P")
|
||
(let ((attach-dir (org-attach-dir)))
|
||
(if attach-dir
|
||
(let* ((file (pcase (org-attach-file-list attach-dir)
|
||
(`(,file) file)
|
||
(files (completing-read "Open attachment: "
|
||
(mapcar #'list files) nil t))))
|
||
(path (expand-file-name file attach-dir)))
|
||
(run-hook-with-args 'org-attach-open-hook path)
|
||
(org-open-file path in-emacs))
|
||
(error "No attachment directory exist"))))
|
||
|
||
(defun org-attach-open-in-emacs ()
|
||
"Open attachment, force opening in Emacs.
|
||
See `org-attach-open'."
|
||
(interactive)
|
||
(org-attach-open 'in-emacs))
|
||
|
||
(defun org-attach-expand (file)
|
||
"Return the full path to the current entry's attachment file FILE.
|
||
Basically, this adds the path to the attachment directory."
|
||
(expand-file-name file (org-attach-dir)))
|
||
|
||
(defun org-attach-expand-links (_)
|
||
"Expand links in current buffer.
|
||
It is meant to be added to `org-export-before-parsing-hook'."
|
||
(save-excursion
|
||
(while (re-search-forward "attachment:" nil t)
|
||
(let ((link (org-element-context)))
|
||
(when (and (eq 'link (org-element-type link))
|
||
(string-equal "attachment"
|
||
(org-element-property :type link)))
|
||
(let* ((description (and (org-element-property :contents-begin link)
|
||
(buffer-substring-no-properties
|
||
(org-element-property :contents-begin link)
|
||
(org-element-property :contents-end link))))
|
||
(file (org-element-property :path link))
|
||
(new-link (org-link-make-string
|
||
(concat "file:" (org-attach-expand file))
|
||
description)))
|
||
(goto-char (org-element-property :end link))
|
||
(skip-chars-backward " \t")
|
||
(delete-region (org-element-property :begin link) (point))
|
||
(insert new-link)))))))
|
||
|
||
(defun org-attach-follow (file arg)
|
||
"Open FILE attachment.
|
||
See `org-open-file' for details about ARG."
|
||
(org-link-open-as-file (org-attach-expand file) arg))
|
||
|
||
(org-link-set-parameters "attachment"
|
||
:follow #'org-attach-follow
|
||
:complete #'org-attach-complete-link)
|
||
|
||
(defun org-attach-complete-link ()
|
||
"Advise the user with the available files in the attachment directory."
|
||
(let ((attach-dir (org-attach-dir)))
|
||
(if attach-dir
|
||
(let* ((attached-dir (expand-file-name attach-dir))
|
||
(file (read-file-name "File: " attached-dir))
|
||
(pwd (file-name-as-directory attached-dir))
|
||
(pwd-relative (file-name-as-directory
|
||
(abbreviate-file-name attached-dir))))
|
||
(cond
|
||
((string-match (concat "^" (regexp-quote pwd-relative) "\\(.+\\)") file)
|
||
(concat "attachment:" (match-string 1 file)))
|
||
((string-match (concat "^" (regexp-quote pwd) "\\(.+\\)")
|
||
(expand-file-name file))
|
||
(concat "attachment:" (match-string 1 (expand-file-name file))))
|
||
(t (concat "attachment:" file))))
|
||
(error "No attachment directory exist"))))
|
||
|
||
(defun org-attach-archive-delete-maybe ()
|
||
"Maybe delete subtree attachments when archiving.
|
||
This function is called by `org-archive-hook'. The option
|
||
`org-attach-archive-delete' controls its behavior."
|
||
(when org-attach-archive-delete
|
||
(org-attach-delete-all (not (eq org-attach-archive-delete 'query)))))
|
||
|
||
|
||
;; Attach from dired.
|
||
|
||
;; Add the following lines to the config file to get a binding for
|
||
;; dired-mode.
|
||
|
||
;; (add-hook
|
||
;; 'dired-mode-hook
|
||
;; (lambda ()
|
||
;; (define-key dired-mode-map (kbd "C-c C-x a") #'org-attach-dired-to-subtree))))
|
||
|
||
;;;###autoload
|
||
(defun org-attach-dired-to-subtree (files)
|
||
"Attach FILES marked or current file in `dired' to subtree in other window.
|
||
Takes the method given in `org-attach-method' for the attach action.
|
||
Precondition: Point must be in a `dired' buffer.
|
||
Idea taken from `gnus-dired-attach'."
|
||
(interactive
|
||
(list (dired-get-marked-files)))
|
||
(unless (eq major-mode 'dired-mode)
|
||
(user-error "This command must be triggered in a `dired' buffer"))
|
||
(let ((start-win (selected-window))
|
||
(other-win
|
||
(get-window-with-predicate
|
||
(lambda (window)
|
||
(with-current-buffer (window-buffer window)
|
||
(eq major-mode 'org-mode))))))
|
||
(unless other-win
|
||
(user-error
|
||
"Can't attach to subtree. No window displaying an Org buffer"))
|
||
(select-window other-win)
|
||
(dolist (file files)
|
||
(org-attach-attach file))
|
||
(select-window start-win)
|
||
(when (eq 'mv org-attach-method)
|
||
(revert-buffer))))
|
||
|
||
|
||
|
||
(add-hook 'org-archive-hook 'org-attach-archive-delete-maybe)
|
||
(add-hook 'org-export-before-parsing-hook 'org-attach-expand-links)
|
||
|
||
(provide 'org-attach)
|
||
|
||
;; Local variables:
|
||
;; generated-autoload-file: "org-loaddefs.el"
|
||
;; End:
|
||
|
||
;;; org-attach.el ends here
|