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;;; magit-reset.el --- reset fuctionality -*- lexical-binding: t -*-
;; Copyright (C) 2010-2018 The Magit Project Contributors
;;
;; You should have received a copy of the AUTHORS.md file which
;; lists all contributors. If not, see http://magit.vc/authors.
;; Author: Jonas Bernoulli <jonas@bernoul.li>
;; Maintainer: Jonas Bernoulli <jonas@bernoul.li>
;; Magit is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; Magit is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
;; License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Magit. If not, see http://www.gnu.org/licenses.
;;; Commentary:
;; This library implements reset commands.
;;; Code:
(require 'magit)
;;;###autoload (autoload 'magit-reset-popup "magit" nil t)
(magit-define-popup magit-reset-popup
"Popup console for reset commands."
:man-page "git-reset"
:actions '((?m "reset mixed (HEAD and index)" magit-reset-head)
(?s "reset soft (HEAD only)" magit-reset-soft)
(?h "reset hard (HEAD, index, and files)" magit-reset-hard)
(?i "reset index (only)" magit-reset-index)
(?w "reset worktree (only)" magit-reset-worktree)
nil
(?f "reset a file" magit-file-checkout))
:max-action-columns 1)
;;;###autoload
(defun magit-reset (commit &optional hard)
"Reset the `HEAD' and index to COMMIT, but not the working tree.
With a prefix argument also reset the working tree.
\n(git reset --mixed|--hard COMMIT)"
(interactive (list (magit-reset-read-branch-or-commit
(if current-prefix-arg
(concat (propertize "Hard" 'face 'bold)
" reset %s to")
"Reset %s to"))
current-prefix-arg))
(magit-reset-internal (if hard "--hard" "--mixed") commit))
;;;###autoload
(defun magit-reset-head (commit)
"Reset the `HEAD' and index to COMMIT, but not the working tree.
\n(git reset --mixed COMMIT)"
(interactive (list (magit-reset-read-branch-or-commit "Reset %s to")))
(magit-reset-internal "--mixed" commit))
;;;###autoload
(defun magit-reset-soft (commit)
"Reset the `HEAD' to COMMIT, but not the index and working tree.
\n(git reset --soft REVISION)"
(interactive (list (magit-reset-read-branch-or-commit "Soft reset %s to")))
(magit-reset-internal "--soft" commit))
;;;###autoload
(defun magit-reset-hard (commit)
"Reset the `HEAD', index, and working tree to COMMIT.
\n(git reset --hard REVISION)"
(interactive (list (magit-reset-read-branch-or-commit
(concat (propertize "Hard" 'face 'bold)
" reset %s to"))))
(magit-reset-internal "--hard" commit))
;;;###autoload
(defun magit-reset-index (commit)
"Reset the index to COMMIT.
Keep the `HEAD' and working tree as-is, so if COMMIT refers to the
head this effectively unstages all changes.
\n(git reset COMMIT .)"
(interactive (list (magit-read-branch-or-commit "Reset index to")))
(magit-reset-internal nil commit "."))
;;;###autoload
(defun magit-reset-worktree (commit)
"Reset the worktree to COMMIT.
Keep the `HEAD' and index as-is."
(interactive (list (magit-read-branch-or-commit "Reset worktree to")))
(magit-with-temp-index commit nil
(magit-wip-commit-before-change nil " before reset")
(magit-run-git "checkout-index" "--all" "--force")
(magit-wip-commit-after-apply nil " after reset")))
(defun magit-reset-read-branch-or-commit (prompt)
"Prompt for and return a ref to reset HEAD to.
PROMPT is a format string, where either the current branch name
or \"detached head\" will be substituted for %s."
(magit-read-branch-or-commit
(format prompt (or (magit-get-current-branch) "detached head"))))
(defun magit-reset-internal (arg commit &optional path)
(when (and (not (member arg '("--hard" nil)))
(equal (magit-rev-parse commit)
(magit-rev-parse "HEAD~")))
(with-temp-buffer
(magit-git-insert "show" "-s" "--format=%B" "HEAD")
(when git-commit-major-mode
(funcall git-commit-major-mode))
(git-commit-setup-font-lock)
(git-commit-save-message)))
(let ((cmd (if (and (equal commit "HEAD") (not arg)) "unstage" "reset")))
(magit-wip-commit-before-change nil (concat " before " cmd))
(magit-run-git "reset" arg commit "--" path)
(when (equal cmd "unstage")
(magit-wip-commit-after-apply nil " after unstage"))))
(provide 'magit-reset)
;;; magit-reset.el ends here
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