mirror of https://tildegit.org/ben/dotfiles
1453 lines
59 KiB
EmacsLisp
1453 lines
59 KiB
EmacsLisp
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;;; magit-section.el --- section functionality -*- lexical-binding: t -*-
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;; Copyright (C) 2010-2018 The Magit Project Contributors
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;;
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;; You should have received a copy of the AUTHORS.md file which
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;; lists all contributors. If not, see http://magit.vc/authors.
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;; Author: Jonas Bernoulli <jonas@bernoul.li>
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;; Maintainer: Jonas Bernoulli <jonas@bernoul.li>
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;; Magit is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; Magit is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Magit. If not, see http://www.gnu.org/licenses.
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;;; Commentary:
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;; This library implements "sections" as used in all Magit buffers.
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;; If you have used Magit before, then you probably know what that
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;; means, otherwise think "read-only Org-Mode for Git", kinda.
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;;; Code:
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(require 'cl-lib)
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(require 'dash)
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(require 'eieio)
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(require 'magit-utils)
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(declare-function magit-maybe-make-margin-overlay "magit-margin" ())
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(declare-function magit-repository-local-get "magit-mode"
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(key &optional default repository))
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(declare-function magit-repository-local-set "magit-mode"
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(key value &optional repository))
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(defvar magit-keep-region-overlay)
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;;; Options
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(defgroup magit-section nil
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"Expandable sections."
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:link '(info-link "(magit)Sections")
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:group 'magit)
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(defcustom magit-section-show-child-count t
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"Whether to append the number of children to section headings.
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This only applies to sections for which doing so makes sense."
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:package-version '(magit . "2.1.0")
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:group 'magit-section
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:type 'boolean)
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(defcustom magit-section-movement-hook
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'(magit-hunk-set-window-start
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magit-log-maybe-update-revision-buffer
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magit-log-maybe-show-more-commits)
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"Hook run by `magit-section-goto'.
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That function in turn is used by all section movement commands."
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:package-version '(magit . "2.3.0")
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:group 'magit-section
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:type 'hook
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:options '(magit-hunk-set-window-start
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magit-status-maybe-update-revision-buffer
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magit-status-maybe-update-blob-buffer
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magit-log-maybe-update-revision-buffer
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magit-log-maybe-update-blob-buffer
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magit-log-maybe-show-more-commits))
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(defcustom magit-section-highlight-hook
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'(magit-diff-highlight
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magit-section-highlight
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magit-section-highlight-selection)
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"Functions used to highlight the current section.
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Each function is run with the current section as only argument
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until one of them returns non-nil."
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:package-version '(magit . "2.1.0")
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:group 'magit-section
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:type 'hook
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:options '(magit-diff-highlight
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magit-section-highlight
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magit-section-highlight-selection))
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(defcustom magit-section-unhighlight-hook
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'(magit-diff-unhighlight)
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"Functions used to unhighlight the previously current section.
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Each function is run with the current section as only argument
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until one of them returns non-nil. Most sections are properly
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unhighlighted without requiring a specialized unhighlighter,
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diff-related sections being the only exception."
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:package-version '(magit . "2.1.0")
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:group 'magit-section
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:type 'hook
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:options '(magit-diff-unhighlight))
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(defcustom magit-section-set-visibility-hook
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'(magit-diff-expansion-threshold
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magit-section-cached-visibility)
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"Hook used to set the initial visibility of a section.
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Stop at the first function that returns non-nil. The returned
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value should be `show', `hide' or nil. If no function returns
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non-nil, determine the visibility as usual, i.e. use the
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hardcoded section specific default (see `magit-insert-section')."
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:package-version '(magit . "2.4.0")
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:group 'magit-section
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:type 'hook
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:options '(magit-diff-expansion-threshold
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magit-section-cached-visibility))
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(defcustom magit-section-cache-visibility t
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"Whether to cache visibility of sections.
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Sections always retain their visibility state when they are being
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recreated during a refresh. But if a section disappears and then
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later reappears again, then this option controls whether this is
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the case.
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If t, then cache the visibility of all sections. If a list of
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section types, then only do so for matching sections. If nil,
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then don't do so for any sections."
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:package-version '(magit . "2.12.0")
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:group 'magit-section
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:type '(choice (const :tag "Don't cache visibility" nil)
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(const :tag "Cache visibility of all sections" t)
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(repeat :tag "Cache visibility for section types" symbol)))
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(defcustom magit-section-initial-visibility-alist nil
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"Alist controlling the initial visibility of sections.
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Each element maps a section type or lineage to the initial
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visibility state for such sections. The state has to be one of
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`show' or `hide', or a function that returns one of these symbols.
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A function is called with the section as the only argument.
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Use the command `magit-describe-section' to determine a section's
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lineage or type. The vector in the output is the section lineage
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and the type is the first element of that vector. Wildcards can
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be used, see `magit-section-match'.
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Currently this option is only used to override hardcoded defaults,
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but in the future it will also be used set the defaults.
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An entry whose key is `magit-status-initial-section' specifies
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the visibility of the section `magit-status-goto-initial-section'
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jumps to. This does not only override defaults, but also other
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entries of this alist."
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:package-version '(magit . "2.12.0")
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:group 'magit-section
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:type '(alist :key-type (sexp :tag "Section type/lineage")
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:value-type (choice (const hide)
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(const show)
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function)))
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(defface magit-section-highlight
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'((((class color) (background light)) :background "grey95")
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(((class color) (background dark)) :background "grey20"))
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"Face for highlighting the current section."
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:group 'magit-faces)
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(defface magit-section-heading
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'((((class color) (background light)) :foreground "DarkGoldenrod4" :weight bold)
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(((class color) (background dark)) :foreground "LightGoldenrod2" :weight bold))
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"Face for section headings."
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:group 'magit-faces)
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(defface magit-section-secondary-heading '((t :weight bold))
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"Face for section headings of some secondary headings."
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:group 'magit-faces)
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(defface magit-section-heading-selection
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'((((class color) (background light)) :foreground "salmon4")
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(((class color) (background dark)) :foreground "LightSalmon3"))
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"Face for selected section headings."
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:group 'magit-faces)
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;;; Classes
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(defvar magit--current-section-hook nil
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"Internal variable used for `magit-explain-section'.")
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(defvar magit--section-type-alist
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'(
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(file . magit-file-section)
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(hunk . magit-hunk-section)
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(module . magit-module-section)
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))
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(defclass magit-section ()
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((type :initform nil :initarg :type)
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(value :initform nil :initarg :value)
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(start :initform nil :initarg :start)
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(content :initform nil)
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(end :initform nil)
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(hidden :initform nil)
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(washer :initform nil)
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(process :initform nil)
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(heading-highlight-face :initform nil)
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(inserter :initform (symbol-value 'magit--current-section-hook))
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(parent :initform nil :initarg :parent)
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(children :initform nil)))
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(defclass magit-file-section (magit-section)
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((source :initform nil)
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(header :initform nil)))
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(defclass magit-hunk-section (magit-section)
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((refined :initform nil)))
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(defclass magit-module-section (magit-file-section)
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())
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;;; Core
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(defvar-local magit-root-section nil
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"The root section in the current buffer.
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All other sections are descendants of this section. The value
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of this variable is set by `magit-insert-section' and you should
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never modify it.")
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(put 'magit-root-section 'permanent-local t)
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(defun magit-current-section ()
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"Return the section at point."
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(or (get-text-property (point) 'magit-section) magit-root-section))
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(defun magit-section-ident (section)
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"Return an unique identifier for SECTION.
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The return value has the form ((TYPE . VALUE)...)."
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(with-slots (type value parent) section
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(cons (cons type
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(cond ((not (memq type '(unpulled unpushed))) value)
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((string-match-p "@{upstream}" value) value)
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;; Unfortunately Git chokes on "@{push}" when
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;; the value of `push.default' does not allow a
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;; 1:1 mapping. Arbitrary commands may consult
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;; the section value so we cannot use "@{push}".
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;; But `unpushed' and `unpulled' sections should
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;; keep their identity when switching branches
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;; so we have to use another value here.
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((string-match-p "\\`\\.\\." value) "..@{push}")
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(t "@{push}..")))
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(and parent
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(magit-section-ident parent)))))
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(defun magit-get-section (ident &optional root)
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"Return the section identified by IDENT.
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IDENT has to be a list as returned by `magit-section-ident'."
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(setq ident (reverse ident))
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(let ((section (or root magit-root-section)))
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(when (eq (car (pop ident))
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(oref section type))
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(while (and ident
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(setq section
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(--first
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(and (eq (caar ident) (oref it type))
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(equal (cdar ident) (oref it value)))
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(oref section children))))
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(pop ident))
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section)))
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(defun magit-section-lineage (section)
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"Return the lineage of SECTION.
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The return value has the form (TYPE...)."
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(cons (oref section type)
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(when-let ((parent (oref section parent)))
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(magit-section-lineage parent))))
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(defvar magit-insert-section--current nil "For internal use only.")
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(defvar magit-insert-section--parent nil "For internal use only.")
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(defvar magit-insert-section--oldroot nil "For internal use only.")
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;;; Commands
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;;;; Movement
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(defun magit-section-forward ()
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"Move to the beginning of the next visible section."
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(interactive)
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(if (eobp)
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(user-error "No next section")
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(let ((section (magit-current-section)))
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(if (oref section parent)
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(let ((next (and (not (oref section hidden))
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(not (= (oref section end)
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(1+ (point))))
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(car (oref section children)))))
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(while (and section (not next))
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(unless (setq next (car (magit-section-siblings section 'next)))
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(setq section (oref section parent))))
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(if next
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(magit-section-goto next)
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(user-error "No next section")))
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(magit-section-goto 1)))))
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(defun magit-section-backward ()
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"Move to the beginning of the current or the previous visible section.
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When point is at the beginning of a section then move to the
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beginning of the previous visible section. Otherwise move to
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the beginning of the current section."
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(interactive)
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(if (bobp)
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(user-error "No previous section")
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(let ((section (magit-current-section)) children)
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(cond
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((and (= (point)
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(1- (oref section end)))
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(setq children (oref section children)))
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(magit-section-goto (car (last children))))
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((and (oref section parent)
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(not (= (point)
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(oref section start))))
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(magit-section-goto section))
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(t
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(let ((prev (car (magit-section-siblings section 'prev))))
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(if prev
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(while (and (not (oref prev hidden))
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(setq children (oref prev children)))
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(setq prev (car (last children))))
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(setq prev (oref section parent)))
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(cond (prev
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(magit-section-goto prev))
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((oref section parent)
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(user-error "No previous section"))
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;; Eob special cases.
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((not (get-text-property (1- (point)) 'invisible))
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(magit-section-goto -1))
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(t
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(goto-char (previous-single-property-change
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(1- (point)) 'invisible))
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(forward-line -1)
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(magit-section-goto (magit-current-section))))))))))
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(defun magit-section-up ()
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"Move to the beginning of the parent section."
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(interactive)
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(--if-let (oref (magit-current-section) parent)
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(magit-section-goto it)
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(user-error "No parent section")))
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(defun magit-section-forward-sibling ()
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"Move to the beginning of the next sibling section.
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If there is no next sibling section, then move to the parent."
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(interactive)
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(let ((current (magit-current-section)))
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(if (oref current parent)
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(--if-let (car (magit-section-siblings current 'next))
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(magit-section-goto it)
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(magit-section-forward))
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(magit-section-goto 1))))
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(defun magit-section-backward-sibling ()
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|
|
"Move to the beginning of the previous sibling section.
|
||
|
|
If there is no previous sibling section, then move to the parent."
|
||
|
|
(interactive)
|
||
|
|
(let ((current (magit-current-section)))
|
||
|
|
(if (oref current parent)
|
||
|
|
(--if-let (car (magit-section-siblings current 'prev))
|
||
|
|
(magit-section-goto it)
|
||
|
|
(magit-section-backward))
|
||
|
|
(magit-section-goto -1))))
|
||
|
|
|
||
|
|
(defun magit-section-goto (arg)
|
||
|
|
(if (integerp arg)
|
||
|
|
(progn (forward-line arg)
|
||
|
|
(setq arg (magit-current-section)))
|
||
|
|
(goto-char (oref arg start)))
|
||
|
|
(run-hook-with-args 'magit-section-movement-hook arg))
|
||
|
|
|
||
|
|
(defun magit-section-set-window-start (section)
|
||
|
|
"Ensure the beginning of SECTION is visible."
|
||
|
|
(unless (pos-visible-in-window-p (oref section end))
|
||
|
|
(set-window-start (selected-window) (oref section start))))
|
||
|
|
|
||
|
|
(defun magit-hunk-set-window-start (section)
|
||
|
|
"When SECTION is a `hunk', ensure that its beginning is visible.
|
||
|
|
It the SECTION has a different type, then do nothing."
|
||
|
|
(when (magit-hunk-section-p section)
|
||
|
|
(magit-section-set-window-start section)))
|
||
|
|
|
||
|
|
(defmacro magit-define-section-jumper (name heading type &optional value)
|
||
|
|
"Define an interactive function to go some section.
|
||
|
|
Together TYPE and VALUE identify the section.
|
||
|
|
HEADING is the displayed heading of the section."
|
||
|
|
(declare (indent defun))
|
||
|
|
`(defun ,name (&optional expand) ,(format "\
|
||
|
|
Jump to the section \"%s\".
|
||
|
|
With a prefix argument also expand it." heading)
|
||
|
|
(interactive "P")
|
||
|
|
(--if-let (magit-get-section
|
||
|
|
(cons (cons ',type ,value)
|
||
|
|
(magit-section-ident magit-root-section)))
|
||
|
|
(progn (goto-char (oref it start))
|
||
|
|
(when expand
|
||
|
|
(with-local-quit (magit-section-show it))
|
||
|
|
(recenter 0)))
|
||
|
|
(message ,(format "Section \"%s\" wasn't found" heading)))))
|
||
|
|
|
||
|
|
;;;; Visibility
|
||
|
|
|
||
|
|
(defun magit-section-show (section)
|
||
|
|
"Show the body of the current section."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(oset section hidden nil)
|
||
|
|
(when-let ((washer (oref section washer)))
|
||
|
|
(oset section washer nil)
|
||
|
|
(let ((inhibit-read-only t)
|
||
|
|
(magit-insert-section--parent section)
|
||
|
|
(content (oref section content)))
|
||
|
|
(save-excursion
|
||
|
|
(if (and content (< content (oref section end)))
|
||
|
|
(funcall washer section) ; already partially washed (hunk)
|
||
|
|
(goto-char (oref section end))
|
||
|
|
(oset section content (point-marker))
|
||
|
|
(funcall washer)
|
||
|
|
(oset section end (point-marker)))))
|
||
|
|
(magit-section-update-highlight))
|
||
|
|
(when-let ((beg (oref section content)))
|
||
|
|
(remove-overlays beg (oref section end) 'invisible t))
|
||
|
|
(magit-section-maybe-cache-visibility section)
|
||
|
|
(dolist (child (oref section children))
|
||
|
|
(if (oref child hidden)
|
||
|
|
(magit-section-hide child)
|
||
|
|
(magit-section-show child))))
|
||
|
|
|
||
|
|
(defun magit-section-hide (section)
|
||
|
|
"Hide the body of the current section."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(if (eq section magit-root-section)
|
||
|
|
(user-error "Cannot hide root section")
|
||
|
|
(oset section hidden t)
|
||
|
|
(when-let ((beg (oref section content)))
|
||
|
|
(let ((end (oref section end)))
|
||
|
|
(remove-overlays beg end 'invisible t)
|
||
|
|
(let ((o (make-overlay beg end)))
|
||
|
|
(overlay-put o 'evaporate t)
|
||
|
|
(overlay-put o 'invisible t))))
|
||
|
|
(magit-section-maybe-cache-visibility section)))
|
||
|
|
|
||
|
|
(defun magit-section-toggle (section)
|
||
|
|
"Toggle visibility of the body of the current section."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(if (eq section magit-root-section)
|
||
|
|
(user-error "Cannot hide root section")
|
||
|
|
(goto-char (oref section start))
|
||
|
|
(if (oref section hidden)
|
||
|
|
(magit-section-show section)
|
||
|
|
(magit-section-hide section))))
|
||
|
|
|
||
|
|
(defun magit-section-toggle-children (section)
|
||
|
|
"Toggle visibility of bodies of children of the current section."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(goto-char (oref section start))
|
||
|
|
(let* ((children (oref section children))
|
||
|
|
(show (--any-p (oref it hidden) children)))
|
||
|
|
(dolist (c children)
|
||
|
|
(oset c hidden show)))
|
||
|
|
(magit-section-show section))
|
||
|
|
|
||
|
|
(defun magit-section-show-children (section &optional depth)
|
||
|
|
"Recursively show the bodies of children of the current section.
|
||
|
|
With a prefix argument show children that deep and hide deeper
|
||
|
|
children."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(magit-section-show-children-1 section depth)
|
||
|
|
(magit-section-show section))
|
||
|
|
|
||
|
|
(defun magit-section-show-children-1 (section &optional depth)
|
||
|
|
(dolist (child (oref section children))
|
||
|
|
(oset child hidden nil)
|
||
|
|
(if depth
|
||
|
|
(if (> depth 0)
|
||
|
|
(magit-section-show-children-1 child (1- depth))
|
||
|
|
(magit-section-hide child))
|
||
|
|
(magit-section-show-children-1 child))))
|
||
|
|
|
||
|
|
(defun magit-section-hide-children (section)
|
||
|
|
"Recursively hide the bodies of children of the current section."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(mapc 'magit-section-hide (oref section children)))
|
||
|
|
|
||
|
|
(defun magit-section-show-headings (section)
|
||
|
|
"Recursively show headings of children of the current section.
|
||
|
|
Only show the headings, previously shown text-only bodies are
|
||
|
|
hidden."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(magit-section-show-headings-1 section)
|
||
|
|
(magit-section-show section))
|
||
|
|
|
||
|
|
(defun magit-section-show-headings-1 (section)
|
||
|
|
(dolist (child (oref section children))
|
||
|
|
(oset child hidden nil)
|
||
|
|
(when (or (oref child children)
|
||
|
|
(not (oref child content)))
|
||
|
|
(magit-section-show-headings-1 child))))
|
||
|
|
|
||
|
|
(defun magit-section-cycle (section)
|
||
|
|
"Cycle visibility of current section and its children."
|
||
|
|
(interactive (list (magit-current-section)))
|
||
|
|
(goto-char (oref section start))
|
||
|
|
(if (oref section hidden)
|
||
|
|
(progn (magit-section-show section)
|
||
|
|
(magit-section-hide-children section))
|
||
|
|
(let ((children (oref section children)))
|
||
|
|
(cond ((and (--any-p (oref it hidden) children)
|
||
|
|
(--any-p (oref it children) children))
|
||
|
|
(magit-section-show-headings section))
|
||
|
|
((-any-p 'magit-section-hidden-body children)
|
||
|
|
(magit-section-show-children section))
|
||
|
|
(t
|
||
|
|
(magit-section-hide section))))))
|
||
|
|
|
||
|
|
(defun magit-section-cycle-global ()
|
||
|
|
"Cycle visibility of all sections in the current buffer."
|
||
|
|
(interactive)
|
||
|
|
(let ((children (oref magit-root-section children)))
|
||
|
|
(cond ((and (--any-p (oref it hidden) children)
|
||
|
|
(--any-p (oref it children) children))
|
||
|
|
(magit-section-show-headings magit-root-section))
|
||
|
|
((-any-p 'magit-section-hidden-body children)
|
||
|
|
(magit-section-show-children magit-root-section))
|
||
|
|
(t
|
||
|
|
(mapc 'magit-section-hide children)))))
|
||
|
|
|
||
|
|
(defun magit-section-cycle-diffs ()
|
||
|
|
"Cycle visibility of diff-related sections in the current buffer."
|
||
|
|
(interactive)
|
||
|
|
(when-let ((sections
|
||
|
|
(cond ((derived-mode-p 'magit-status-mode)
|
||
|
|
(--mapcat
|
||
|
|
(when it
|
||
|
|
(when (oref it hidden)
|
||
|
|
(magit-section-show it))
|
||
|
|
(oref it children))
|
||
|
|
(list (magit-get-section '((staged) (status)))
|
||
|
|
(magit-get-section '((unstaged) (status))))))
|
||
|
|
((derived-mode-p 'magit-diff-mode)
|
||
|
|
(-filter #'magit-file-section-p
|
||
|
|
(oref magit-root-section children))))))
|
||
|
|
(if (--any-p (oref it hidden) sections)
|
||
|
|
(dolist (s sections)
|
||
|
|
(magit-section-show s)
|
||
|
|
(magit-section-hide-children s))
|
||
|
|
(let ((children (--mapcat (oref it children) sections)))
|
||
|
|
(cond ((and (--any-p (oref it hidden) children)
|
||
|
|
(--any-p (oref it children) children))
|
||
|
|
(mapc 'magit-section-show-headings sections))
|
||
|
|
((-any-p 'magit-section-hidden-body children)
|
||
|
|
(mapc 'magit-section-show-children sections))
|
||
|
|
(t
|
||
|
|
(mapc 'magit-section-hide sections)))))))
|
||
|
|
|
||
|
|
(defun magit-section-hidden-body (section &optional pred)
|
||
|
|
(--if-let (oref section children)
|
||
|
|
(funcall (or pred '-any-p) 'magit-section-hidden-body it)
|
||
|
|
(and (oref section content)
|
||
|
|
(oref section hidden))))
|
||
|
|
|
||
|
|
(defun magit-section-invisible-p (section)
|
||
|
|
"Return t if the SECTION's body is invisible.
|
||
|
|
When the body of an ancestor of SECTION is collapsed then
|
||
|
|
SECTION's body (and heading) obviously cannot be visible."
|
||
|
|
(or (oref section hidden)
|
||
|
|
(--when-let (oref section parent)
|
||
|
|
(magit-section-invisible-p it))))
|
||
|
|
|
||
|
|
(defun magit-section-show-level (level)
|
||
|
|
"Show surrounding sections up to LEVEL.
|
||
|
|
If LEVEL is negative, show up to the absolute value.
|
||
|
|
Sections at higher levels are hidden."
|
||
|
|
(if (< level 0)
|
||
|
|
(let ((s (magit-current-section)))
|
||
|
|
(setq level (- level))
|
||
|
|
(while (> (1- (length (magit-section-ident s))) level)
|
||
|
|
(setq s (oref s parent))
|
||
|
|
(goto-char (oref s start)))
|
||
|
|
(magit-section-show-children magit-root-section (1- level)))
|
||
|
|
(cl-do* ((s (magit-current-section)
|
||
|
|
(oref s parent))
|
||
|
|
(i (1- (length (magit-section-ident s)))
|
||
|
|
(cl-decf i)))
|
||
|
|
((cond ((< i level) (magit-section-show-children s (- level i 1)) t)
|
||
|
|
((= i level) (magit-section-hide s) t))
|
||
|
|
(magit-section-goto s)))))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-1 ()
|
||
|
|
"Show surrounding sections on first level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level 1))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-1-all ()
|
||
|
|
"Show all sections on first level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level -1))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-2 ()
|
||
|
|
"Show surrounding sections up to second level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level 2))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-2-all ()
|
||
|
|
"Show all sections up to second level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level -2))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-3 ()
|
||
|
|
"Show surrounding sections up to third level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level 3))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-3-all ()
|
||
|
|
"Show all sections up to third level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level -3))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-4 ()
|
||
|
|
"Show surrounding sections up to fourth level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level 4))
|
||
|
|
|
||
|
|
(defun magit-section-show-level-4-all ()
|
||
|
|
"Show all sections up to fourth level."
|
||
|
|
(interactive)
|
||
|
|
(magit-section-show-level -4))
|
||
|
|
|
||
|
|
;;;; Auxiliary
|
||
|
|
|
||
|
|
(defun magit-describe-section-briefly (section &optional message ident)
|
||
|
|
"Show information about the section at point.
|
||
|
|
With a prefix argument show the section identity instead of the
|
||
|
|
section lineage. This command is intended for debugging purposes."
|
||
|
|
(interactive (list (magit-current-section) t))
|
||
|
|
(let ((str (format "#<%s %S %S %s-%s>"
|
||
|
|
(eieio-object-class section)
|
||
|
|
(let ((val (oref section value)))
|
||
|
|
(cond ((stringp val)
|
||
|
|
(substring-no-properties val))
|
||
|
|
((and (eieio-object-p val)
|
||
|
|
(fboundp 'cl-prin1-to-string))
|
||
|
|
(cl-prin1-to-string val))
|
||
|
|
(t
|
||
|
|
val)))
|
||
|
|
(if ident
|
||
|
|
(magit-section-ident section)
|
||
|
|
(apply #'vector (magit-section-lineage section)))
|
||
|
|
(when-let ((m (oref section start)))
|
||
|
|
(marker-position m))
|
||
|
|
(when-let ((m (oref section end)))
|
||
|
|
(marker-position m)))))
|
||
|
|
(if message (message "%s" str) str)))
|
||
|
|
|
||
|
|
(cl-defmethod cl-print-object ((section magit-section) stream)
|
||
|
|
"Print `magit-describe-section' result of SECTION."
|
||
|
|
;; Used by debug and edebug as of Emacs 26.
|
||
|
|
(princ (magit-describe-section-briefly section) stream))
|
||
|
|
|
||
|
|
(defun magit-describe-section (section &optional interactive-p)
|
||
|
|
"Show information about the section at point."
|
||
|
|
(interactive (list (magit-current-section) t))
|
||
|
|
(let ((inserter-section section))
|
||
|
|
(while (and inserter-section (not (oref inserter-section inserter)))
|
||
|
|
(setq inserter-section (oref inserter-section parent)))
|
||
|
|
(when (and inserter-section (oref inserter-section inserter))
|
||
|
|
(setq section inserter-section)))
|
||
|
|
(pcase (oref section inserter)
|
||
|
|
(`((,hook ,fun) . ,src-src)
|
||
|
|
(help-setup-xref `(magit-describe-section ,section) interactive-p)
|
||
|
|
(with-help-window (help-buffer)
|
||
|
|
(with-current-buffer standard-output
|
||
|
|
(insert (format-message
|
||
|
|
"%s\n is inserted by `%s'\n from `%s'"
|
||
|
|
(magit-describe-section-briefly section)
|
||
|
|
(make-text-button (symbol-name fun) nil
|
||
|
|
:type 'help-function
|
||
|
|
'help-args (list fun))
|
||
|
|
(make-text-button (symbol-name hook) nil
|
||
|
|
:type 'help-variable
|
||
|
|
'help-args (list hook))))
|
||
|
|
(pcase-dolist (`(,hook ,fun) src-src)
|
||
|
|
(insert (format-message
|
||
|
|
",\n called by `%s'\n from `%s'"
|
||
|
|
(make-text-button (symbol-name fun) nil
|
||
|
|
:type 'help-function
|
||
|
|
'help-args (list fun))
|
||
|
|
(make-text-button (symbol-name hook) nil
|
||
|
|
:type 'help-variable
|
||
|
|
'help-args (list hook)))))
|
||
|
|
(insert ".\n\n")
|
||
|
|
(insert
|
||
|
|
(format-message
|
||
|
|
"`%s' is "
|
||
|
|
(make-text-button (symbol-name fun) nil
|
||
|
|
:type 'help-function 'help-args (list fun))))
|
||
|
|
(describe-function-1 fun))))
|
||
|
|
(_ (message "%s, inserter unknown"
|
||
|
|
(magit-describe-section-briefly section)))))
|
||
|
|
|
||
|
|
;;; Match
|
||
|
|
|
||
|
|
(cl-defun magit-section-match
|
||
|
|
(condition &optional (section (magit-current-section)))
|
||
|
|
"Return t if SECTION matches CONDITION.
|
||
|
|
|
||
|
|
SECTION defaults to the section at point. If SECTION is not
|
||
|
|
specified and there also is no section at point, then return
|
||
|
|
nil.
|
||
|
|
|
||
|
|
CONDITION can take the following forms:
|
||
|
|
(CONDITION...) matches if any of the CONDITIONs matches.
|
||
|
|
[CLASS...] matches if the section's class is the same
|
||
|
|
as the first CLASS or a subclass of that;
|
||
|
|
the section's parent class matches the
|
||
|
|
second CLASS; and so on.
|
||
|
|
[* CLASS...] matches sections that match [CLASS...] and
|
||
|
|
also recursively all their child sections.
|
||
|
|
CLASS matches if the section's class is the same
|
||
|
|
as CLASS or a subclass of that; regardless
|
||
|
|
of the classes of the parent sections.
|
||
|
|
|
||
|
|
Each CLASS should be a class symbol, identifying a class that
|
||
|
|
derives from `magit-section'. For backward compatibility CLASS
|
||
|
|
can also be a \"type symbol\". A section matches such a symbol
|
||
|
|
if the value of its `type' slot is `eq'. If a type symbol has
|
||
|
|
an entry in `magit--section-type-alist', then a section also
|
||
|
|
matches that type if its class is a subclass of the class that
|
||
|
|
corresponds to the type as per that alist.
|
||
|
|
|
||
|
|
Note that it is not necessary to specify the complete section
|
||
|
|
lineage as printed by `magit-describe-section-briefly', unless
|
||
|
|
of course you want to be that precise."
|
||
|
|
(and section (magit-section-match-1 condition section)))
|
||
|
|
|
||
|
|
(defun magit-section-match-1 (condition section)
|
||
|
|
(cl-assert condition)
|
||
|
|
(and section
|
||
|
|
(if (listp condition)
|
||
|
|
(--first (magit-section-match-1 it section) condition)
|
||
|
|
(magit-section-match-2 (if (symbolp condition)
|
||
|
|
(list condition)
|
||
|
|
(cl-coerce condition 'list))
|
||
|
|
section))))
|
||
|
|
|
||
|
|
(defun magit-section-match-2 (condition section)
|
||
|
|
(if (eq (car condition) '*)
|
||
|
|
(or (magit-section-match-2 (cdr condition) section)
|
||
|
|
(when-let ((parent (oref section parent)))
|
||
|
|
(magit-section-match-2 condition parent)))
|
||
|
|
(and (let ((c (car condition)))
|
||
|
|
(if (class-p c)
|
||
|
|
(cl-typep section c)
|
||
|
|
(if-let ((class (cdr (assq c magit--section-type-alist))))
|
||
|
|
(cl-typep section class)
|
||
|
|
(eq (oref section type) c))))
|
||
|
|
(or (not (setq condition (cdr condition)))
|
||
|
|
(when-let ((parent (oref section parent)))
|
||
|
|
(magit-section-match-2 condition parent))))))
|
||
|
|
|
||
|
|
(defun magit-section-value-if (condition &optional section)
|
||
|
|
"If the section at point matches CONDITION, then return its value.
|
||
|
|
|
||
|
|
If optional SECTION is non-nil then test whether that matches
|
||
|
|
instead. If there is no section at point and SECTION is nil,
|
||
|
|
then return nil. If the section does not match, then return
|
||
|
|
nil.
|
||
|
|
|
||
|
|
See `magit-section-match' for the forms CONDITION can take."
|
||
|
|
(when-let ((section (or section (magit-current-section))))
|
||
|
|
(and (magit-section-match condition section)
|
||
|
|
(oref section value))))
|
||
|
|
|
||
|
|
(defmacro magit-section-when (condition &rest body)
|
||
|
|
"If the section at point matches CONDITION, evaluate BODY.
|
||
|
|
|
||
|
|
If the section matches, then evaluate BODY forms sequentially
|
||
|
|
with `it' bound to the section and return the value of the last
|
||
|
|
form. If there are no BODY forms, then return the value of the
|
||
|
|
section. If the section does not match or if there is no section
|
||
|
|
at point, then return nil.
|
||
|
|
|
||
|
|
See `magit-section-match' for the forms CONDITION can take."
|
||
|
|
(declare (obsolete
|
||
|
|
"instead use `magit-section-match' or `magit-section-value-if'."
|
||
|
|
"Magit 2.90.0")
|
||
|
|
(indent 1)
|
||
|
|
(debug (sexp body)))
|
||
|
|
`(--when-let (magit-current-section)
|
||
|
|
;; Quoting CONDITION here often leads to double-quotes, which
|
||
|
|
;; isn't an issue because `magit-section-match-1' implicitly
|
||
|
|
;; deals with that. We shouldn't force users of this function
|
||
|
|
;; to not quote CONDITION because that would needlessly break
|
||
|
|
;; backward compatibility.
|
||
|
|
(when (magit-section-match ',condition it)
|
||
|
|
,@(or body '((oref it value))))))
|
||
|
|
|
||
|
|
(defmacro magit-section-case (&rest clauses)
|
||
|
|
"Choose among clauses on the type of the section at point.
|
||
|
|
|
||
|
|
Each clause looks like (CONDITION BODY...). The type of the
|
||
|
|
section is compared against each CONDITION; the BODY forms of the
|
||
|
|
first match are evaluated sequentially and the value of the last
|
||
|
|
form is returned. Inside BODY the symbol `it' is bound to the
|
||
|
|
section at point. If no clause succeeds or if there is no
|
||
|
|
section at point, return nil.
|
||
|
|
|
||
|
|
See `magit-section-match' for the forms CONDITION can take.
|
||
|
|
Additionally a CONDITION of t is allowed in the final clause, and
|
||
|
|
matches if no other CONDITION match, even if there is no section
|
||
|
|
at point."
|
||
|
|
(declare (indent 0)
|
||
|
|
(debug (&rest (sexp body))))
|
||
|
|
`(let* ((it (magit-current-section)))
|
||
|
|
(cond ,@(mapcar (lambda (clause)
|
||
|
|
`(,(or (eq (car clause) t)
|
||
|
|
`(and it
|
||
|
|
(magit-section-match-1 ',(car clause) it)))
|
||
|
|
,@(cdr clause)))
|
||
|
|
clauses))))
|
||
|
|
|
||
|
|
(defun magit-section-match-assoc (section alist)
|
||
|
|
"Return the value associated with SECTION's type or lineage in ALIST."
|
||
|
|
(-some (pcase-lambda (`(,key . ,val))
|
||
|
|
(and (magit-section-match-1 key section) val))
|
||
|
|
alist))
|
||
|
|
|
||
|
|
;;; Create
|
||
|
|
|
||
|
|
(defvar magit-insert-section-hook nil
|
||
|
|
"Hook run after `magit-insert-section's BODY.
|
||
|
|
Avoid using this hook and only ever do so if you know
|
||
|
|
what you are doing and are sure there is no other way.")
|
||
|
|
|
||
|
|
(defmacro magit-insert-section (&rest args)
|
||
|
|
"Insert a section at point.
|
||
|
|
|
||
|
|
TYPE is the section type, a symbol. Many commands that act on
|
||
|
|
the current section behave differently depending on that type.
|
||
|
|
Also if a variable `magit-TYPE-section-map' exists, then use
|
||
|
|
that as the text-property `keymap' of all text belonging to the
|
||
|
|
section (but this may be overwritten in subsections). TYPE can
|
||
|
|
also have the form `(eval FORM)' in which case FORM is evaluated
|
||
|
|
at runtime.
|
||
|
|
|
||
|
|
Optional VALUE is the value of the section, usually a string
|
||
|
|
that is required when acting on the section.
|
||
|
|
|
||
|
|
When optional HIDE is non-nil collapse the section body by
|
||
|
|
default, i.e. when first creating the section, but not when
|
||
|
|
refreshing the buffer. Else expand it by default. This can be
|
||
|
|
overwritten using `magit-section-set-visibility-hook'. When a
|
||
|
|
section is recreated during a refresh, then the visibility of
|
||
|
|
predecessor is inherited and HIDE is ignored (but the hook is
|
||
|
|
still honored).
|
||
|
|
|
||
|
|
BODY is any number of forms that actually insert the section's
|
||
|
|
heading and body. Optional NAME, if specified, has to be a
|
||
|
|
symbol, which is then bound to the struct of the section being
|
||
|
|
inserted.
|
||
|
|
|
||
|
|
Before BODY is evaluated the `start' of the section object is set
|
||
|
|
to the value of `point' and after BODY was evaluated its `end' is
|
||
|
|
set to the new value of `point'; BODY is responsible for moving
|
||
|
|
`point' forward.
|
||
|
|
|
||
|
|
If it turns out inside BODY that the section is empty, then
|
||
|
|
`magit-cancel-section' can be used to abort and remove all traces
|
||
|
|
of the partially inserted section. This can happen when creating
|
||
|
|
a section by washing Git's output and Git didn't actually output
|
||
|
|
anything this time around.
|
||
|
|
|
||
|
|
\(fn [NAME] (TYPE &optional VALUE HIDE) &rest BODY)"
|
||
|
|
(declare (indent defun)
|
||
|
|
(debug ([&optional symbolp]
|
||
|
|
(&or [("eval" symbolp) &optional form form]
|
||
|
|
[symbolp &optional form form])
|
||
|
|
body)))
|
||
|
|
(let ((tp (cl-gensym "type"))
|
||
|
|
(s* (and (symbolp (car args))
|
||
|
|
(pop args)))
|
||
|
|
(s (cl-gensym "section")))
|
||
|
|
`(let* ((,tp ,(let ((type (nth 0 (car args))))
|
||
|
|
(if (eq (car-safe type) 'eval)
|
||
|
|
(cadr type)
|
||
|
|
`',type)))
|
||
|
|
(,s (funcall (if (class-p ,tp)
|
||
|
|
,tp
|
||
|
|
(or (cdr (assq ,tp magit--section-type-alist))
|
||
|
|
'magit-section))
|
||
|
|
:type
|
||
|
|
(if (class-p ,tp)
|
||
|
|
(or (car (rassq ,tp magit--section-type-alist))
|
||
|
|
(error "BUG: No entry for %s in %s" ,tp
|
||
|
|
'magit--section-type-alist))
|
||
|
|
,tp)
|
||
|
|
:value ,(nth 1 (car args))
|
||
|
|
:start (point-marker)
|
||
|
|
:parent magit-insert-section--parent)))
|
||
|
|
(oset ,s hidden
|
||
|
|
(if-let ((value (run-hook-with-args-until-success
|
||
|
|
'magit-section-set-visibility-hook ,s)))
|
||
|
|
(eq value 'hide)
|
||
|
|
(if-let ((incarnation (and magit-insert-section--oldroot
|
||
|
|
(magit-get-section
|
||
|
|
(magit-section-ident ,s)
|
||
|
|
magit-insert-section--oldroot))))
|
||
|
|
(oref incarnation hidden)
|
||
|
|
(if-let ((value (magit-section-match-assoc
|
||
|
|
,s magit-section-initial-visibility-alist)))
|
||
|
|
(progn
|
||
|
|
(when (functionp value)
|
||
|
|
(setq value (funcall value ,s)))
|
||
|
|
(eq value 'hide))
|
||
|
|
,(nth 2 (car args))))))
|
||
|
|
(let ((magit-insert-section--current ,s)
|
||
|
|
(magit-insert-section--parent ,s)
|
||
|
|
(magit-insert-section--oldroot
|
||
|
|
(or magit-insert-section--oldroot
|
||
|
|
(unless magit-insert-section--parent
|
||
|
|
(prog1 magit-root-section
|
||
|
|
(setq magit-root-section ,s))))))
|
||
|
|
(catch 'cancel-section
|
||
|
|
,@(if s*
|
||
|
|
`((let ((,s* ,s))
|
||
|
|
,@(cdr args)))
|
||
|
|
(cdr args))
|
||
|
|
;; `magit-insert-section-hook' should *not* be run with
|
||
|
|
;; `magit-run-section-hook' because it's a hook that runs
|
||
|
|
;; on section insertion, not a section inserting hook.
|
||
|
|
(run-hooks 'magit-insert-section-hook)
|
||
|
|
(magit-insert-child-count ,s)
|
||
|
|
(set-marker-insertion-type (oref ,s start) t)
|
||
|
|
(let* ((end (oset ,s end (point-marker)))
|
||
|
|
(magit-map (intern (format "magit-%s-section-map"
|
||
|
|
(oref ,s type))))
|
||
|
|
(forge-map (intern (format "forge-%s-section-map"
|
||
|
|
(oref ,s type))))
|
||
|
|
(map (or (and (boundp magit-map) (symbol-value magit-map))
|
||
|
|
(and (boundp forge-map) (symbol-value forge-map)))))
|
||
|
|
(save-excursion
|
||
|
|
(goto-char (oref ,s start))
|
||
|
|
(while (< (point) end)
|
||
|
|
(let ((next (or (next-single-property-change
|
||
|
|
(point) 'magit-section)
|
||
|
|
end)))
|
||
|
|
(unless (get-text-property (point) 'magit-section)
|
||
|
|
(put-text-property (point) next 'magit-section ,s)
|
||
|
|
(when map
|
||
|
|
(put-text-property (point) next 'keymap map)))
|
||
|
|
(goto-char next)))))
|
||
|
|
(if (eq ,s magit-root-section)
|
||
|
|
(let ((magit-section-cache-visibility nil))
|
||
|
|
(magit-section-show ,s))
|
||
|
|
(oset (oref ,s parent) children
|
||
|
|
(nconc (oref (oref ,s parent) children)
|
||
|
|
(list ,s)))))
|
||
|
|
,s))))
|
||
|
|
|
||
|
|
(defun magit-cancel-section ()
|
||
|
|
(when magit-insert-section--current
|
||
|
|
(if (not (oref magit-insert-section--current parent))
|
||
|
|
(insert "(empty)\n")
|
||
|
|
(delete-region (oref magit-insert-section--current start)
|
||
|
|
(point))
|
||
|
|
(setq magit-insert-section--current nil)
|
||
|
|
(throw 'cancel-section nil))))
|
||
|
|
|
||
|
|
(defun magit-insert-heading (&rest args)
|
||
|
|
"Insert the heading for the section currently being inserted.
|
||
|
|
|
||
|
|
This function should only be used inside `magit-insert-section'.
|
||
|
|
|
||
|
|
When called without any arguments, then just set the `content'
|
||
|
|
slot of the object representing the section being inserted to
|
||
|
|
a marker at `point'. The section should only contain a single
|
||
|
|
line when this function is used like this.
|
||
|
|
|
||
|
|
When called with arguments ARGS, which have to be strings, or
|
||
|
|
nil, then insert those strings at point. The section should not
|
||
|
|
contain any text before this happens and afterwards it should
|
||
|
|
again only contain a single line. If the `face' property is set
|
||
|
|
anywhere inside any of these strings, then insert all of them
|
||
|
|
unchanged. Otherwise use the `magit-section-heading' face for
|
||
|
|
all inserted text.
|
||
|
|
|
||
|
|
The `content' property of the section struct is the end of the
|
||
|
|
heading (which lasts from `start' to `content') and the beginning
|
||
|
|
of the the body (which lasts from `content' to `end'). If the
|
||
|
|
value of `content' is nil, then the section has no heading and
|
||
|
|
its body cannot be collapsed. If a section does have a heading,
|
||
|
|
then its height must be exactly one line, including a trailing
|
||
|
|
newline character. This isn't enforced, you are responsible for
|
||
|
|
getting it right. The only exception is that this function does
|
||
|
|
insert a newline character if necessary."
|
||
|
|
(declare (indent defun))
|
||
|
|
(when args
|
||
|
|
(let ((heading (apply #'concat args)))
|
||
|
|
(insert (if (text-property-not-all 0 (length heading) 'face nil heading)
|
||
|
|
heading
|
||
|
|
(propertize heading 'face 'magit-section-heading)))))
|
||
|
|
(unless (bolp)
|
||
|
|
(insert ?\n))
|
||
|
|
(magit-maybe-make-margin-overlay)
|
||
|
|
(oset magit-insert-section--current content (point-marker)))
|
||
|
|
|
||
|
|
(defun magit-insert-headers (hook)
|
||
|
|
(let* ((header-sections nil)
|
||
|
|
(magit-insert-section-hook
|
||
|
|
(cons (lambda ()
|
||
|
|
(push magit-insert-section--current
|
||
|
|
header-sections))
|
||
|
|
(if (listp magit-insert-section-hook)
|
||
|
|
magit-insert-section-hook
|
||
|
|
(list magit-insert-section-hook)))))
|
||
|
|
(magit-run-section-hook hook)
|
||
|
|
(when header-sections
|
||
|
|
(insert "\n")
|
||
|
|
;; Make the first header into the parent of the rest.
|
||
|
|
(when (cdr header-sections)
|
||
|
|
(cl-callf nreverse header-sections)
|
||
|
|
(let* ((1st-header (pop header-sections))
|
||
|
|
(header-parent (oref 1st-header parent)))
|
||
|
|
(oset header-parent children (list 1st-header))
|
||
|
|
(oset 1st-header children header-sections)
|
||
|
|
(oset 1st-header content (oref (car header-sections) start))
|
||
|
|
(oset 1st-header end (oref (car (last header-sections)) end))
|
||
|
|
(dolist (sub-header header-sections)
|
||
|
|
(oset sub-header parent 1st-header)))))))
|
||
|
|
|
||
|
|
(defun magit-insert-child-count (section)
|
||
|
|
"Modify SECTION's heading to contain number of child sections.
|
||
|
|
|
||
|
|
If `magit-section-show-child-count' is non-nil and the SECTION
|
||
|
|
has children and its heading ends with \":\", then replace that
|
||
|
|
with \" (N)\", where N is the number of child sections.
|
||
|
|
|
||
|
|
This function is called by `magit-insert-section' after that has
|
||
|
|
evaluated its BODY. Admittedly that's a bit of a hack."
|
||
|
|
;; This has to be fast, not pretty!
|
||
|
|
(let (content count)
|
||
|
|
(when (and magit-section-show-child-count
|
||
|
|
(setq count (length (oref section children)))
|
||
|
|
(> count 0)
|
||
|
|
(setq content (oref section content))
|
||
|
|
(eq (char-before (1- content)) ?:))
|
||
|
|
(save-excursion
|
||
|
|
(goto-char (- content 2))
|
||
|
|
(insert (format " (%s)" count))
|
||
|
|
(delete-char 1)))))
|
||
|
|
|
||
|
|
;;; Update
|
||
|
|
|
||
|
|
(defvar-local magit-section-highlight-overlays nil)
|
||
|
|
(defvar-local magit-section-highlighted-section nil)
|
||
|
|
(defvar-local magit-section-highlighted-sections nil)
|
||
|
|
(defvar-local magit-section-unhighlight-sections nil)
|
||
|
|
|
||
|
|
(defun magit-section-update-region (_)
|
||
|
|
"When the region is a valid section-selection, highlight them all."
|
||
|
|
;; At least that's what it does conceptually. In actuality it just
|
||
|
|
;; returns a list of those sections, and it doesn't even matter if
|
||
|
|
;; this is a member of `magit-region-highlight-hook'. It probably
|
||
|
|
;; should be removed, but I want to make sure before removing it.
|
||
|
|
(magit-region-sections))
|
||
|
|
|
||
|
|
(defun magit-section-update-highlight ()
|
||
|
|
(let ((section (magit-current-section)))
|
||
|
|
(unless (eq section magit-section-highlighted-section)
|
||
|
|
(let ((inhibit-read-only t)
|
||
|
|
(deactivate-mark nil)
|
||
|
|
(selection (magit-region-sections)))
|
||
|
|
(mapc #'delete-overlay magit-section-highlight-overlays)
|
||
|
|
(setq magit-section-highlight-overlays nil)
|
||
|
|
(setq magit-section-unhighlight-sections
|
||
|
|
magit-section-highlighted-sections)
|
||
|
|
(setq magit-section-highlighted-sections nil)
|
||
|
|
(unless (eq section magit-root-section)
|
||
|
|
(run-hook-with-args-until-success
|
||
|
|
'magit-section-highlight-hook section selection))
|
||
|
|
(dolist (s magit-section-unhighlight-sections)
|
||
|
|
(run-hook-with-args-until-success
|
||
|
|
'magit-section-unhighlight-hook s selection))
|
||
|
|
(restore-buffer-modified-p nil)
|
||
|
|
(unless (eq magit-section-highlighted-section section)
|
||
|
|
(setq magit-section-highlighted-section
|
||
|
|
(and (not (oref section hidden))
|
||
|
|
section))))
|
||
|
|
(when (version< emacs-version "25.1")
|
||
|
|
(setq deactivate-mark nil)))))
|
||
|
|
|
||
|
|
(defun magit-section-highlight (section selection)
|
||
|
|
"Highlight SECTION and if non-nil all sections in SELECTION.
|
||
|
|
This function works for any section but produces undesirable
|
||
|
|
effects for diff related sections, which by default are
|
||
|
|
highlighted using `magit-diff-highlight'. Return t."
|
||
|
|
(when-let ((face (oref section heading-highlight-face)))
|
||
|
|
(dolist (section (or selection (list section)))
|
||
|
|
(magit-section-make-overlay
|
||
|
|
(oref section start)
|
||
|
|
(or (oref section content)
|
||
|
|
(oref section end))
|
||
|
|
face)))
|
||
|
|
(cond (selection
|
||
|
|
(magit-section-make-overlay (oref (car selection) start)
|
||
|
|
(oref (car (last selection)) end)
|
||
|
|
'magit-section-highlight)
|
||
|
|
(magit-section-highlight-selection nil selection))
|
||
|
|
(t
|
||
|
|
(magit-section-make-overlay (oref section start)
|
||
|
|
(oref section end)
|
||
|
|
'magit-section-highlight)))
|
||
|
|
t)
|
||
|
|
|
||
|
|
(defun magit-section-highlight-selection (_ selection)
|
||
|
|
"Highlight the section-selection region.
|
||
|
|
If SELECTION is non-nil, then it is a list of sections selected by
|
||
|
|
the region. The headings of these sections are then highlighted.
|
||
|
|
|
||
|
|
This is a fallback for people who don't want to highlight the
|
||
|
|
current section and therefore removed `magit-section-highlight'
|
||
|
|
from `magit-section-highlight-hook'.
|
||
|
|
|
||
|
|
This function is necessary to ensure that a representation of
|
||
|
|
such a region is visible. If neither of these functions were
|
||
|
|
part of the hook variable, then such a region would be
|
||
|
|
invisible."
|
||
|
|
(when (and selection
|
||
|
|
(not (and (eq this-command 'mouse-drag-region))))
|
||
|
|
(dolist (section selection)
|
||
|
|
(magit-section-make-overlay (oref section start)
|
||
|
|
(or (oref section content)
|
||
|
|
(oref section end))
|
||
|
|
'magit-section-heading-selection))
|
||
|
|
t))
|
||
|
|
|
||
|
|
(defun magit-section-make-overlay (start end face)
|
||
|
|
;; Yes, this doesn't belong here. But the alternative of
|
||
|
|
;; spreading this hack across the code base is even worse.
|
||
|
|
(when (and magit-keep-region-overlay
|
||
|
|
(memq face '(magit-section-heading-selection
|
||
|
|
magit-diff-file-heading-selection
|
||
|
|
magit-diff-hunk-heading-selection)))
|
||
|
|
(setq face (list :foreground (face-foreground face))))
|
||
|
|
(let ((ov (make-overlay start end nil t)))
|
||
|
|
(overlay-put ov 'face face)
|
||
|
|
(overlay-put ov 'evaporate t)
|
||
|
|
(push ov magit-section-highlight-overlays)
|
||
|
|
ov))
|
||
|
|
|
||
|
|
(defun magit-section-goto-successor (section line char arg)
|
||
|
|
(let ((ident (magit-section-ident section)))
|
||
|
|
(--if-let (magit-get-section ident)
|
||
|
|
(let ((start (oref it start)))
|
||
|
|
(goto-char start)
|
||
|
|
(unless (eq it magit-root-section)
|
||
|
|
(ignore-errors
|
||
|
|
(forward-line line)
|
||
|
|
(forward-char char))
|
||
|
|
(unless (eq (magit-current-section) it)
|
||
|
|
(goto-char start))))
|
||
|
|
(or (and (magit-hunk-section-p section)
|
||
|
|
(when-let ((parent (magit-get-section
|
||
|
|
(magit-section-ident
|
||
|
|
(oref section parent)))))
|
||
|
|
(let* ((children (oref parent children))
|
||
|
|
(siblings (magit-section-siblings section 'prev))
|
||
|
|
(previous (nth (length siblings) children)))
|
||
|
|
(if (not arg)
|
||
|
|
(--when-let (or previous (car (last children)))
|
||
|
|
(magit-section-goto it)
|
||
|
|
t)
|
||
|
|
(when previous
|
||
|
|
(magit-section-goto previous))
|
||
|
|
(if (and (stringp arg)
|
||
|
|
(re-search-forward arg (oref parent end) t))
|
||
|
|
(goto-char (match-beginning 0))
|
||
|
|
(goto-char (oref (car (last children)) end))
|
||
|
|
(forward-line -1)
|
||
|
|
(while (looking-at "^ ") (forward-line -1))
|
||
|
|
(while (looking-at "^[-+]") (forward-line -1))
|
||
|
|
(forward-line))))))
|
||
|
|
(goto-char (--if-let (magit-section-goto-successor-1 section)
|
||
|
|
(if (eq (oref it type) 'button)
|
||
|
|
(point-min)
|
||
|
|
(oref it start))
|
||
|
|
(point-min)))))))
|
||
|
|
|
||
|
|
(defun magit-section-goto-successor-1 (section)
|
||
|
|
(or (--when-let (pcase (oref section type)
|
||
|
|
(`staged 'unstaged)
|
||
|
|
(`unstaged 'staged)
|
||
|
|
(`unpushed 'unpulled)
|
||
|
|
(`unpulled 'unpushed))
|
||
|
|
(magit-get-section `((,it) (status))))
|
||
|
|
(--when-let (car (magit-section-siblings section 'next))
|
||
|
|
(magit-get-section (magit-section-ident it)))
|
||
|
|
(--when-let (car (magit-section-siblings section 'prev))
|
||
|
|
(magit-get-section (magit-section-ident it)))
|
||
|
|
(--when-let (oref section parent)
|
||
|
|
(or (magit-get-section (magit-section-ident it))
|
||
|
|
(magit-section-goto-successor-1 it)))))
|
||
|
|
|
||
|
|
;;; Visibility
|
||
|
|
|
||
|
|
(defvar-local magit-section-visibility-cache nil)
|
||
|
|
(put 'magit-section-visibility-cache 'permanent-local t)
|
||
|
|
|
||
|
|
(defun magit-section-cached-visibility (section)
|
||
|
|
"Set SECTION's visibility to the cached value."
|
||
|
|
(cdr (assoc (magit-section-ident section)
|
||
|
|
magit-section-visibility-cache)))
|
||
|
|
|
||
|
|
(cl-defun magit-section-cache-visibility
|
||
|
|
(&optional (section magit-insert-section--current))
|
||
|
|
;; Emacs 25's `alist-get' lacks TESTFN.
|
||
|
|
(let* ((id (magit-section-ident section))
|
||
|
|
(elt (assoc id magit-section-visibility-cache))
|
||
|
|
(val (if (oref section hidden) 'hide 'show)))
|
||
|
|
(if elt
|
||
|
|
(setcdr elt val)
|
||
|
|
(push (cons id val) magit-section-visibility-cache))))
|
||
|
|
|
||
|
|
(cl-defun magit-section-maybe-cache-visibility
|
||
|
|
(&optional (section magit-insert-section--current))
|
||
|
|
(when (or (eq magit-section-cache-visibility t)
|
||
|
|
(memq (oref section type)
|
||
|
|
magit-section-cache-visibility))
|
||
|
|
(magit-section-cache-visibility section)))
|
||
|
|
|
||
|
|
(defun magit-preserve-section-visibility-cache ()
|
||
|
|
(when (derived-mode-p 'magit-status-mode 'magit-refs-mode)
|
||
|
|
(magit-repository-local-set
|
||
|
|
(cons major-mode 'magit-section-visibility-cache)
|
||
|
|
magit-section-visibility-cache)))
|
||
|
|
|
||
|
|
(defun magit-restore-section-visibility-cache (mode)
|
||
|
|
(setq magit-section-visibility-cache
|
||
|
|
(magit-repository-local-get
|
||
|
|
(cons mode 'magit-section-visibility-cache))))
|
||
|
|
|
||
|
|
;;; Utilities
|
||
|
|
|
||
|
|
(cl-defun magit-section-selected-p (section &optional (selection nil sselection))
|
||
|
|
(and (not (eq section magit-root-section))
|
||
|
|
(or (eq section (magit-current-section))
|
||
|
|
(memq section (if sselection
|
||
|
|
selection
|
||
|
|
(setq selection (magit-region-sections))))
|
||
|
|
(--when-let (oref section parent)
|
||
|
|
(magit-section-selected-p it selection)))))
|
||
|
|
|
||
|
|
(defun magit-section-parent-value (section)
|
||
|
|
(when-let ((parent (oref section parent)))
|
||
|
|
(oref parent value)))
|
||
|
|
|
||
|
|
(defun magit-section-siblings (section &optional direction)
|
||
|
|
"Return a list of the sibling sections of SECTION.
|
||
|
|
|
||
|
|
If optional DIRECTION is `prev', then return siblings that come
|
||
|
|
before SECTION. If it is `next', then return siblings that come
|
||
|
|
after SECTION. For all other values, return all siblings
|
||
|
|
excluding SECTION itself."
|
||
|
|
(when-let ((parent (oref section parent)))
|
||
|
|
(let ((siblings (oref parent children)))
|
||
|
|
(pcase direction
|
||
|
|
(`prev (cdr (member section (reverse siblings))))
|
||
|
|
(`next (cdr (member section siblings)))
|
||
|
|
(_ (remq section siblings))))))
|
||
|
|
|
||
|
|
(defun magit-region-values (&optional condition multiple)
|
||
|
|
"Return a list of the values of the selected sections.
|
||
|
|
|
||
|
|
Return the values that themselves would be returned by
|
||
|
|
`magit-region-sections' (which see)."
|
||
|
|
(--map (oref it value)
|
||
|
|
(magit-region-sections condition multiple)))
|
||
|
|
|
||
|
|
(defun magit-region-sections (&optional condition multiple)
|
||
|
|
"Return a list of the selected sections.
|
||
|
|
|
||
|
|
When the region is active and constitutes a valid section
|
||
|
|
selection, then return a list of all selected sections. This is
|
||
|
|
the case when the region begins in the heading of a section and
|
||
|
|
ends in the heading of the same section or in that of a sibling
|
||
|
|
section. If optional MULTIPLE is non-nil, then the region cannot
|
||
|
|
begin and end in the same section.
|
||
|
|
|
||
|
|
When the selection is not valid, then return nil. In this case,
|
||
|
|
most commands that can act on the selected sections will instead
|
||
|
|
act on the section at point.
|
||
|
|
|
||
|
|
When the region looks like it would in any other buffer then
|
||
|
|
the selection is invalid. When the selection is valid then the
|
||
|
|
region uses the `magit-section-highlight' face. This does not
|
||
|
|
apply to diffs where things get a bit more complicated, but even
|
||
|
|
here if the region looks like it usually does, then that's not
|
||
|
|
a valid selection as far as this function is concerned.
|
||
|
|
|
||
|
|
If optional CONDITION is non-nil, then the selection not only
|
||
|
|
has to be valid; all selected sections additionally have to match
|
||
|
|
CONDITION, or nil is returned. See `magit-section-match' for the
|
||
|
|
forms CONDITION can take."
|
||
|
|
(when (region-active-p)
|
||
|
|
(let* ((rbeg (region-beginning))
|
||
|
|
(rend (region-end))
|
||
|
|
(sbeg (get-text-property rbeg 'magit-section))
|
||
|
|
(send (get-text-property rend 'magit-section)))
|
||
|
|
(when (and send
|
||
|
|
(not (eq send magit-root-section))
|
||
|
|
(not (and multiple (eq send sbeg))))
|
||
|
|
(let ((siblings (cons sbeg (magit-section-siblings sbeg 'next)))
|
||
|
|
sections)
|
||
|
|
(when (and (memq send siblings)
|
||
|
|
(magit-section-position-in-heading-p sbeg rbeg)
|
||
|
|
(magit-section-position-in-heading-p send rend))
|
||
|
|
(while siblings
|
||
|
|
(push (car siblings) sections)
|
||
|
|
(when (eq (pop siblings) send)
|
||
|
|
(setq siblings nil)))
|
||
|
|
(setq sections (nreverse sections))
|
||
|
|
(when (or (not condition)
|
||
|
|
(--all-p (magit-section-match condition it) sections))
|
||
|
|
sections)))))))
|
||
|
|
|
||
|
|
(defun magit-section-position-in-heading-p (&optional section pos)
|
||
|
|
"Return t if POSITION is inside the heading of SECTION.
|
||
|
|
POSITION defaults to point and SECTION defaults to the
|
||
|
|
current section."
|
||
|
|
(unless section
|
||
|
|
(setq section (magit-current-section)))
|
||
|
|
(unless pos
|
||
|
|
(setq pos (point)))
|
||
|
|
(and section
|
||
|
|
(>= pos (oref section start))
|
||
|
|
(< pos (or (oref section content)
|
||
|
|
(oref section end)))
|
||
|
|
t))
|
||
|
|
|
||
|
|
(defun magit-section-internal-region-p (&optional section)
|
||
|
|
"Return t if the region is active and inside SECTION's body.
|
||
|
|
If optional SECTION is nil, use the current section."
|
||
|
|
(and (region-active-p)
|
||
|
|
(or section (setq section (magit-current-section)))
|
||
|
|
(let ((beg (get-text-property (region-beginning) 'magit-section)))
|
||
|
|
(and (eq beg (get-text-property (region-end) 'magit-section))
|
||
|
|
(eq beg section)))
|
||
|
|
(not (or (magit-section-position-in-heading-p section (region-beginning))
|
||
|
|
(magit-section-position-in-heading-p section (region-end))))
|
||
|
|
t))
|
||
|
|
|
||
|
|
(defun magit-section--backward-protected ()
|
||
|
|
"Move to the beginning of the current or the previous visible section.
|
||
|
|
Same as `magit-section-backward' but for non-interactive use.
|
||
|
|
Suppress `magit-section-movement-hook', and return a boolean to
|
||
|
|
indicate whether a section was found, instead of raising an error
|
||
|
|
if not."
|
||
|
|
(condition-case nil
|
||
|
|
(let ((magit-section-movement-hook nil))
|
||
|
|
(magit-section-backward)
|
||
|
|
t)
|
||
|
|
(user-error nil)))
|
||
|
|
|
||
|
|
(defun magit-section--backward-find (predicate)
|
||
|
|
"Move to the first previous section satisfying PREDICATE.
|
||
|
|
PREDICATE does not take any parameter and should not move
|
||
|
|
point."
|
||
|
|
(let (found)
|
||
|
|
(while (and (setq found (magit-section--backward-protected))
|
||
|
|
(not (funcall predicate))))
|
||
|
|
found))
|
||
|
|
|
||
|
|
(defun magit-wash-sequence (function)
|
||
|
|
"Repeatedly call FUNCTION until it returns nil or eob is reached.
|
||
|
|
FUNCTION has to move point forward or return nil."
|
||
|
|
(while (and (not (eobp)) (funcall function))))
|
||
|
|
|
||
|
|
(defun magit-add-section-hook (hook function &optional at append local)
|
||
|
|
"Add to the value of section hook HOOK the function FUNCTION.
|
||
|
|
|
||
|
|
Add FUNCTION at the beginning of the hook list unless optional
|
||
|
|
APPEND is non-nil, in which case FUNCTION is added at the end.
|
||
|
|
If FUNCTION already is a member, then move it to the new location.
|
||
|
|
|
||
|
|
If optional AT is non-nil and a member of the hook list, then
|
||
|
|
add FUNCTION next to that instead. Add before or after AT, or
|
||
|
|
replace AT with FUNCTION depending on APPEND. If APPEND is the
|
||
|
|
symbol `replace', then replace AT with FUNCTION. For any other
|
||
|
|
non-nil value place FUNCTION right after AT. If nil, then place
|
||
|
|
FUNCTION right before AT. If FUNCTION already is a member of the
|
||
|
|
list but AT is not, then leave FUNCTION where ever it already is.
|
||
|
|
|
||
|
|
If optional LOCAL is non-nil, then modify the hook's buffer-local
|
||
|
|
value rather than its global value. This makes the hook local by
|
||
|
|
copying the default value. That copy is then modified.
|
||
|
|
|
||
|
|
HOOK should be a symbol. If HOOK is void, it is first set to nil.
|
||
|
|
HOOK's value must not be a single hook function. FUNCTION should
|
||
|
|
be a function that takes no arguments and inserts one or multiple
|
||
|
|
sections at point, moving point forward. FUNCTION may choose not
|
||
|
|
to insert its section(s), when doing so would not make sense. It
|
||
|
|
should not be abused for other side-effects. To remove FUNCTION
|
||
|
|
again use `remove-hook'."
|
||
|
|
(unless (boundp hook)
|
||
|
|
(error "Cannot add function to undefined hook variable %s" hook))
|
||
|
|
(or (default-boundp hook) (set-default hook nil))
|
||
|
|
(let ((value (if local
|
||
|
|
(if (local-variable-p hook)
|
||
|
|
(symbol-value hook)
|
||
|
|
(unless (local-variable-if-set-p hook)
|
||
|
|
(make-local-variable hook))
|
||
|
|
(copy-sequence (default-value hook)))
|
||
|
|
(default-value hook))))
|
||
|
|
(if at
|
||
|
|
(when (setq at (member at value))
|
||
|
|
(setq value (delq function value))
|
||
|
|
(cond ((eq append 'replace)
|
||
|
|
(setcar at function))
|
||
|
|
(append
|
||
|
|
(push function (cdr at)))
|
||
|
|
(t
|
||
|
|
(push (car at) (cdr at))
|
||
|
|
(setcar at function))))
|
||
|
|
(setq value (delq function value)))
|
||
|
|
(unless (member function value)
|
||
|
|
(setq value (if append
|
||
|
|
(append value (list function))
|
||
|
|
(cons function value))))
|
||
|
|
(when (eq append 'replace)
|
||
|
|
(setq value (delq at value)))
|
||
|
|
(if local
|
||
|
|
(set hook value)
|
||
|
|
(set-default hook value))))
|
||
|
|
|
||
|
|
(defun magit-run-section-hook (hook &rest args)
|
||
|
|
"Run HOOK with ARGS, warning about invalid entries."
|
||
|
|
(let ((entries (symbol-value hook)))
|
||
|
|
(unless (listp entries)
|
||
|
|
(setq entries (list entries)))
|
||
|
|
(--when-let (-remove #'functionp entries)
|
||
|
|
(message "`%s' contains entries that are no longer valid.
|
||
|
|
%s\nUsing standard value instead. Please re-configure hook variable."
|
||
|
|
hook
|
||
|
|
(mapconcat (lambda (sym) (format " `%s'" sym)) it "\n"))
|
||
|
|
(sit-for 5)
|
||
|
|
(setq entries (eval (car (get hook 'standard-value)))))
|
||
|
|
(dolist (entry entries)
|
||
|
|
(let ((magit--current-section-hook (cons (list hook entry)
|
||
|
|
magit--current-section-hook)))
|
||
|
|
(apply entry args)))))
|
||
|
|
|
||
|
|
(provide 'magit-section)
|
||
|
|
;;; magit-section.el ends here
|