221 lines
8.3 KiB
EmacsLisp
221 lines
8.3 KiB
EmacsLisp
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;;; magit-transient.el --- Support for transients -*- lexical-binding:t -*-
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;; Copyright (C) 2008-2022 The Magit Project Contributors
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;; Author: Jonas Bernoulli <jonas@bernoul.li>
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;; Maintainer: Jonas Bernoulli <jonas@bernoul.li>
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;; SPDX-License-Identifier: GPL-3.0-or-later
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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 of the License, or
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;; (at your option) 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 <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This library implements Magit-specific prefix and suffix classes,
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;; and their methods.
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;;; Code:
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(require 'magit-git)
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(require 'magit-mode)
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(require 'magit-process)
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(require 'transient)
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;;; Classes
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(defclass magit--git-variable (transient-variable)
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((scope :initarg :scope)
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(global :initarg :global :initform nil)))
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(defclass magit--git-variable:choices (magit--git-variable)
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((choices :initarg :choices)
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(fallback :initarg :fallback :initform nil)
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(default :initarg :default :initform nil)))
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(defclass magit--git-variable:boolean (magit--git-variable:choices)
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((choices :initarg :choices :initform '("true" "false"))))
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(defclass magit--git-variable:urls (magit--git-variable)
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((seturl-arg :initarg :seturl-arg :initform nil)))
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;;; Methods
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;;;; Init
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(cl-defmethod transient-init-scope ((obj magit--git-variable))
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(oset obj scope
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(cond (transient--prefix
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(oref transient--prefix scope))
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((slot-boundp obj 'scope)
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(funcall (oref obj scope) obj)))))
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(cl-defmethod transient-init-value ((obj magit--git-variable))
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(let ((variable (format (oref obj variable)
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(oref obj scope)))
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(arg (if (oref obj global) "--global" "--local")))
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(oset obj variable variable)
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(oset obj value
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(cond ((oref obj multi-value)
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(magit-get-all arg variable))
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(t
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(magit-get arg variable))))))
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(cl-defmethod transient-init-value ((obj magit--git-variable:boolean))
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(let ((variable (format (oref obj variable)
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(oref obj scope)))
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(arg (if (oref obj global) "--global" "--local")))
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(oset obj variable variable)
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(oset obj value (if (magit-get-boolean arg variable) "true" "false"))))
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;;;; Read
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(cl-defmethod transient-infix-read :around ((obj magit--git-variable:urls))
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(transient--with-emergency-exit
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(transient--with-suspended-override
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(mapcar (lambda (url)
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(if (string-prefix-p "~" url)
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(expand-file-name url)
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url))
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(cl-call-next-method obj)))))
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(cl-defmethod transient-infix-read ((obj magit--git-variable:choices))
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(let ((choices (oref obj choices)))
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(when (functionp choices)
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(setq choices (funcall choices)))
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(if-let ((value (oref obj value)))
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(cadr (member value choices))
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(car choices))))
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;;;; Readers
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(defun magit-transient-read-person (prompt initial-input history)
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(magit-completing-read
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prompt
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(mapcar (lambda (line)
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(save-excursion
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(and (string-match "\\`[\s\t]+[0-9]+\t" line)
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(list (substring line (match-end 0))))))
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(magit-git-lines "shortlog" "-n" "-s" "-e" "HEAD"))
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nil nil initial-input history))
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(defun magit-transient-read-revision (prompt initial-input history)
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(or (magit-completing-read prompt (cons "HEAD" (magit-list-refnames))
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nil nil initial-input history
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(or (magit-branch-or-commit-at-point)
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(magit-get-current-branch)))
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(user-error "Nothing selected")))
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;;;; Set
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(cl-defmethod transient-infix-set ((obj magit--git-variable) value)
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(let ((variable (oref obj variable))
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(arg (if (oref obj global) "--global" "--local")))
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(oset obj value value)
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(if (oref obj multi-value)
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(magit-set-all value arg variable)
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(magit-set value arg variable))
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(magit-refresh)
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(unless (or value transient--prefix)
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(message "Unset %s" variable))))
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(cl-defmethod transient-infix-set ((obj magit--git-variable:urls) values)
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(let ((previous (oref obj value))
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(seturl (oref obj seturl-arg))
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(remote (oref transient--prefix scope)))
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(oset obj value values)
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(dolist (v (-difference values previous))
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(magit-call-git "remote" "set-url" seturl "--add" remote v))
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(dolist (v (-difference previous values))
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(magit-call-git "remote" "set-url" seturl "--delete" remote
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(concat "^" (regexp-quote v) "$")))
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(magit-refresh)))
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;;;; Draw
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(cl-defmethod transient-format-description ((obj magit--git-variable))
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(or (oref obj description)
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(oref obj variable)))
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(cl-defmethod transient-format-value ((obj magit--git-variable))
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(if-let ((value (oref obj value)))
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(if (oref obj multi-value)
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(if (cdr value)
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(mapconcat (lambda (v)
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(concat "\n "
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(propertize v 'face 'transient-value)))
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value "")
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(propertize (car value) 'face 'transient-value))
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(propertize (car (split-string value "\n"))
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'face 'transient-value))
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(propertize "unset" 'face 'transient-inactive-value)))
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(cl-defmethod transient-format-value ((obj magit--git-variable:choices))
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(let* ((variable (oref obj variable))
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(choices (oref obj choices))
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(globalp (oref obj global))
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(value nil)
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(global (magit-git-string "config" "--global" variable))
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(defaultp (oref obj default))
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(default (if (functionp defaultp) (funcall defaultp obj) defaultp))
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(fallback (oref obj fallback))
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(fallback (and fallback
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(and-let* ((val (magit-get fallback)))
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(concat fallback ":" val)))))
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(if (not globalp)
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(setq value (magit-git-string "config" "--local" variable))
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(setq value global)
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(setq global nil))
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(when (functionp choices)
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(setq choices (funcall choices)))
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(concat
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(propertize "[" 'face 'transient-inactive-value)
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(mapconcat (lambda (choice)
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(propertize choice 'face (if (equal choice value)
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(if (member choice choices)
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'transient-value
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'font-lock-warning-face)
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'transient-inactive-value)))
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(if (and value (not (member value choices)))
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(cons value choices)
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choices)
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(propertize "|" 'face 'transient-inactive-value))
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(and (or global fallback default)
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(concat
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(propertize "|" 'face 'transient-inactive-value)
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(cond (global
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(propertize (concat "global:" global)
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'face (cond (value
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'transient-inactive-value)
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((member global choices)
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'transient-value)
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(t
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'font-lock-warning-face))))
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(fallback
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(propertize fallback
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'face (if value
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'transient-inactive-value
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'transient-value)))
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(default
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(propertize (if (functionp defaultp)
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(concat "dwim:" default)
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(concat "default:" default))
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'face (if value
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'transient-inactive-value
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'transient-value))))))
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(propertize "]" 'face 'transient-inactive-value))))
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;;; _
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(provide 'magit-transient)
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;;; magit-transient.el ends here
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