135 lines
5.1 KiB
EmacsLisp
135 lines
5.1 KiB
EmacsLisp
;;; magit-reset.el --- Reset fuctionality -*- 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 reset commands.
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;;; Code:
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(require 'magit)
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;;;###autoload (autoload 'magit-reset "magit" nil t)
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(transient-define-prefix magit-reset ()
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"Reset the `HEAD', index and/or worktree to a previous state."
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:man-page "git-reset"
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["Reset"
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("m" "mixed (HEAD and index)" magit-reset-mixed)
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("s" "soft (HEAD only)" magit-reset-soft)
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("h" "hard (HEAD, index and files)" magit-reset-hard)
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("k" "keep (HEAD and index, keeping uncommitted)" magit-reset-keep)
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("i" "index (only)" magit-reset-index)
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("w" "worktree (only)" magit-reset-worktree)
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""
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("f" "a file" magit-file-checkout)])
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;;;###autoload
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(defun magit-reset-mixed (commit)
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"Reset the `HEAD' and index to COMMIT, but not the working tree.
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\n(git reset --mixed COMMIT)"
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(interactive (list (magit-reset-read-branch-or-commit "Reset %s to")))
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(magit-reset-internal "--mixed" commit))
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;;;###autoload
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(defun magit-reset-soft (commit)
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"Reset the `HEAD' to COMMIT, but not the index and working tree.
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\n(git reset --soft REVISION)"
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(interactive (list (magit-reset-read-branch-or-commit "Soft reset %s to")))
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(magit-reset-internal "--soft" commit))
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;;;###autoload
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(defun magit-reset-hard (commit)
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"Reset the `HEAD', index, and working tree to COMMIT.
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\n(git reset --hard REVISION)"
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(interactive (list (magit-reset-read-branch-or-commit
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(concat (magit--propertize-face "Hard" 'bold)
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" reset %s to"))))
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(magit-reset-internal "--hard" commit))
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;;;###autoload
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(defun magit-reset-keep (commit)
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"Reset the `HEAD' and index to COMMIT, while keeping uncommitted changes.
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\n(git reset --keep REVISION)"
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(interactive (list (magit-reset-read-branch-or-commit "Reset %s to")))
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(magit-reset-internal "--keep" commit))
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;;;###autoload
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(defun magit-reset-index (commit)
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"Reset the index to COMMIT.
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Keep the `HEAD' and working tree as-is, so if COMMIT refers to the
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head this effectively unstages all changes.
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\n(git reset COMMIT .)"
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(interactive (list (magit-read-branch-or-commit "Reset index to")))
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(magit-reset-internal nil commit "."))
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;;;###autoload
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(defun magit-reset-worktree (commit)
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"Reset the worktree to COMMIT.
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Keep the `HEAD' and index as-is."
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(interactive (list (magit-read-branch-or-commit "Reset worktree to")))
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(magit-wip-commit-before-change nil " before reset")
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(magit-with-temp-index commit nil
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(magit-call-git "checkout-index" "--all" "--force"))
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(magit-wip-commit-after-apply nil " after reset")
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(magit-refresh))
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;;;###autoload
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(defun magit-reset-quickly (commit &optional hard)
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"Reset the `HEAD' and index to COMMIT, and possibly the working tree.
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With a prefix argument reset the working tree otherwise don't.
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\n(git reset --mixed|--hard COMMIT)"
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(interactive (list (magit-reset-read-branch-or-commit
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(if current-prefix-arg
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(concat (magit--propertize-face "Hard" 'bold)
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" reset %s to")
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"Reset %s to"))
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current-prefix-arg))
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(magit-reset-internal (if hard "--hard" "--mixed") commit))
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(defun magit-reset-read-branch-or-commit (prompt)
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"Prompt for and return a ref to reset HEAD to.
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PROMPT is a format string, where either the current branch name
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or \"detached head\" will be substituted for %s."
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(magit-read-branch-or-commit
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(format prompt (or (magit-get-current-branch) "detached head"))))
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(defun magit-reset-internal (arg commit &optional path)
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(when (and (not (member arg '("--hard" nil)))
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(equal (magit-rev-parse commit)
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(magit-rev-parse "HEAD~")))
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(with-temp-buffer
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(magit-git-insert "show" "-s" "--format=%B" "HEAD")
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(when git-commit-major-mode
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(funcall git-commit-major-mode))
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(git-commit-setup-font-lock)
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(git-commit-save-message)))
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(let ((cmd (if (and (equal commit "HEAD") (not arg)) "unstage" "reset")))
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(magit-wip-commit-before-change nil (concat " before " cmd))
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(magit-run-git "reset" arg commit "--" path)
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(when (equal cmd "unstage")
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(magit-wip-commit-after-apply nil " after unstage"))))
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;;; _
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(provide 'magit-reset)
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;;; magit-reset.el ends here
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