486 lines
20 KiB
EmacsLisp
486 lines
20 KiB
EmacsLisp
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;;; magit-commit.el --- create Git commits -*- lexical-binding: t -*-
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;; Copyright (C) 2008-2018 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 commands for creating Git commits. These
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;; commands just initiate the commit, support for writing the commit
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;; messages is implemented in `git-commit.el'.
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;;; Code:
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(require 'magit)
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(require 'magit-sequence)
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(eval-when-compile (require 'epa)) ; for `epa-protocol'
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(eval-when-compile (require 'epg))
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;;; Options
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(defcustom magit-commit-arguments nil
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"The arguments used when committing."
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:group 'magit-git-arguments
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:type '(repeat (string :tag "Argument")))
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(defcustom magit-commit-ask-to-stage 'verbose
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"Whether to ask to stage all unstaged changes when committing and nothing is staged."
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:package-version '(magit . "2.3.0")
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:group 'magit-commands
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:type '(choice (const :tag "Ask showing diff" verbose)
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(const :tag "Ask" t)
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(const :tag "Don't ask" nil)))
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(defcustom magit-commit-show-diff t
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"Whether the relevant diff is automatically shown when committing."
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:package-version '(magit . "2.3.0")
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:group 'magit-commands
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:type 'boolean)
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(defcustom magit-commit-extend-override-date t
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"Whether using `magit-commit-extend' changes the committer date."
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:package-version '(magit . "2.3.0")
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:group 'magit-commands
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:type 'boolean)
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(defcustom magit-commit-reword-override-date t
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"Whether using `magit-commit-reword' changes the committer date."
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:package-version '(magit . "2.3.0")
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:group 'magit-commands
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:type 'boolean)
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(defcustom magit-commit-squash-confirm t
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"Whether the commit targeted by squash and fixup has to be confirmed.
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When non-nil then the commit at point (if any) is used as default
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choice, otherwise it has to be confirmed. This option only
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affects `magit-commit-squash' and `magit-commit-fixup'. The
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\"instant\" variants always require confirmation because making
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an error while using those is harder to recover from."
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:package-version '(magit . "2.1.0")
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:group 'magit-commands
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:type 'boolean)
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;;; Popup
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(defun magit-commit-popup (&optional arg)
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"Popup console for commit commands."
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(interactive "P")
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(--if-let (magit-commit-message-buffer)
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(switch-to-buffer it)
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(magit-invoke-popup 'magit-commit-popup nil arg)))
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(defvar magit-commit-popup
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'(:variable magit-commit-arguments
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:man-page "git-commit"
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:switches ((?a "Stage all modified and deleted files" "--all")
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(?e "Allow empty commit" "--allow-empty")
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(?v "Show diff of changes to be committed" "--verbose")
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(?h "Disable hooks" "--no-verify")
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(?s "Add Signed-off-by line" "--signoff")
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(?R "Claim authorship and reset author date" "--reset-author"))
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:options ((?A "Override the author" "--author=")
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(?S "Sign using gpg" "--gpg-sign=" magit-read-gpg-secret-key)
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(?C "Reuse commit message" "--reuse-message="
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magit-read-reuse-message))
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:actions ((?c "Commit" magit-commit)
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(?e "Extend" magit-commit-extend)
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(?f "Fixup" magit-commit-fixup)
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(?F "Instant Fixup" magit-commit-instant-fixup) nil
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(?w "Reword" magit-commit-reword)
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(?s "Squash" magit-commit-squash)
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(?S "Instant Squash" magit-commit-instant-squash) nil
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(?a "Amend" magit-commit-amend)
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(?A "Augment" magit-commit-augment))
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:max-action-columns 4
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:default-action magit-commit))
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(magit-define-popup-keys-deferred 'magit-commit-popup)
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(defun magit-commit-arguments nil
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(if (eq magit-current-popup 'magit-commit-popup)
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magit-current-popup-args
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magit-commit-arguments))
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(defvar magit-gpg-secret-key-hist nil)
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(defun magit-read-gpg-secret-key (prompt &optional _initial-input)
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(require 'epa)
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(let ((keys (--map (concat (epg-sub-key-id (car (epg-key-sub-key-list it)))
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" "
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(when-let ((id-obj (car (epg-key-user-id-list it))))
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(let ((id-str (epg-user-id-string id-obj)))
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(if (stringp id-str)
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id-str
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(epg-decode-dn id-obj)))))
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(epg-list-keys (epg-make-context epa-protocol) nil t))))
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(car (split-string (magit-completing-read
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prompt keys nil nil nil 'magit-gpg-secret-key-hist
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(car (or magit-gpg-secret-key-hist keys)))
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" "))))
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(defun magit-read-reuse-message (prompt &optional default)
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(magit-completing-read prompt (magit-list-refnames)
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nil nil nil 'magit-revision-history
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(or default
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(and (magit-rev-verify "ORIG_HEAD")
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"ORIG_HEAD"))))
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;;; Commands
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;;;###autoload
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(defun magit-commit (&optional args)
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"Create a new commit on `HEAD'.
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With a prefix argument, amend to the commit at `HEAD' instead.
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\n(git commit [--amend] ARGS)"
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(interactive (if current-prefix-arg
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(list (cons "--amend" (magit-commit-arguments)))
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(list (magit-commit-arguments))))
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(when (member "--all" args)
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(setq this-command 'magit-commit-all))
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(when (setq args (magit-commit-assert args))
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(let ((default-directory (magit-toplevel)))
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(magit-run-git-with-editor "commit" args))))
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;;;###autoload
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(defun magit-commit-amend (&optional args)
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"Amend the last commit.
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\n(git commit --amend ARGS)"
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(interactive (list (magit-commit-arguments)))
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(magit-commit-amend-assert)
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(magit-run-git-with-editor "commit" "--amend" args))
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;;;###autoload
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(defun magit-commit-extend (&optional args override-date)
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"Amend the last commit, without editing the message.
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With a prefix argument keep the committer date, otherwise change
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it. The option `magit-commit-extend-override-date' can be used
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to inverse the meaning of the prefix argument. \n(git commit
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--amend --no-edit)"
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(interactive (list (magit-commit-arguments)
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(if current-prefix-arg
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(not magit-commit-extend-override-date)
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magit-commit-extend-override-date)))
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(when (setq args (magit-commit-assert args (not override-date)))
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(magit-commit-amend-assert)
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(let ((process-environment process-environment))
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(unless override-date
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(push (magit-rev-format "GIT_COMMITTER_DATE=%cD") process-environment))
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(magit-run-git-with-editor "commit" "--amend" "--no-edit" args))))
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;;;###autoload
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(defun magit-commit-reword (&optional args override-date)
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"Reword the last commit, ignoring staged changes.
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With a prefix argument keep the committer date, otherwise change
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it. The option `magit-commit-reword-override-date' can be used
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to inverse the meaning of the prefix argument.
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Non-interactively respect the optional OVERRIDE-DATE argument
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and ignore the option.
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\n(git commit --amend --only)"
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(interactive (list (magit-commit-arguments)
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(if current-prefix-arg
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(not magit-commit-reword-override-date)
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magit-commit-reword-override-date)))
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(magit-commit-amend-assert)
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(let ((process-environment process-environment))
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(unless override-date
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(push (magit-rev-format "GIT_COMMITTER_DATE=%cD") process-environment))
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(magit-run-git-with-editor "commit" "--amend" "--only" args)))
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;;;###autoload
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(defun magit-commit-fixup (&optional commit args)
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"Create a fixup commit.
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With a prefix argument the target COMMIT has to be confirmed.
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Otherwise the commit at point may be used without confirmation
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depending on the value of option `magit-commit-squash-confirm'."
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(interactive (list (magit-commit-at-point)
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(magit-commit-arguments)))
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(magit-commit-squash-internal "--fixup" commit args))
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;;;###autoload
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(defun magit-commit-squash (&optional commit args)
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"Create a squash commit, without editing the squash message.
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With a prefix argument the target COMMIT has to be confirmed.
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Otherwise the commit at point may be used without confirmation
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depending on the value of option `magit-commit-squash-confirm'."
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(interactive (list (magit-commit-at-point)
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(magit-commit-arguments)))
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(magit-commit-squash-internal "--squash" commit args))
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;;;###autoload
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(defun magit-commit-augment (&optional commit args)
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"Create a squash commit, editing the squash message.
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With a prefix argument the target COMMIT has to be confirmed.
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Otherwise the commit at point may be used without confirmation
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depending on the value of option `magit-commit-squash-confirm'."
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(interactive (list (magit-commit-at-point)
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(magit-commit-arguments)))
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(magit-commit-squash-internal "--squash" commit args nil t))
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;;;###autoload
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(defun magit-commit-instant-fixup (&optional commit args)
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"Create a fixup commit targeting COMMIT and instantly rebase."
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(interactive (list (magit-commit-at-point)
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(magit-commit-arguments)))
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(magit-commit-squash-internal "--fixup" commit args t))
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;;;###autoload
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(defun magit-commit-instant-squash (&optional commit args)
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"Create a squash commit targeting COMMIT and instantly rebase."
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(interactive (list (magit-commit-at-point)
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(magit-commit-arguments)))
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(magit-commit-squash-internal "--squash" commit args t))
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(defun magit-commit-squash-internal
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(option commit &optional args rebase edit confirmed)
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(when-let ((args (magit-commit-assert args t)))
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(when commit
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(when (and rebase (not (magit-rev-ancestor-p commit "HEAD")))
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(magit-read-char-case
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(format "%s isn't an ancestor of HEAD. " commit) nil
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(?c "[c]reate without rebasing" (setq rebase nil))
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(?s "[s]elect other" (setq commit nil))
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(?a "[a]bort" (user-error "Quit")))))
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(when commit
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(setq commit (magit-rebase-interactive-assert commit t)))
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(if (and commit
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(or confirmed
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(not (or rebase
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current-prefix-arg
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magit-commit-squash-confirm))))
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(let ((magit-commit-show-diff nil))
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(push (concat option "=" commit) args)
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(unless edit
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(push "--no-edit" args))
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(if rebase
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(magit-with-editor
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(magit-call-git
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"commit" "--no-gpg-sign"
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(-remove-first
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(apply-partially #'string-match-p "\\`--gpg-sign=")
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args)))
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(magit-run-git-with-editor "commit" args))
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t) ; The commit was created; used by below lambda.
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(magit-log-select
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(lambda (commit)
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(when (and (magit-commit-squash-internal option commit args
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rebase edit t)
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rebase)
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(magit-commit-amend-assert commit)
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(magit-rebase-interactive-1 commit
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(list "--autosquash" "--autostash")
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"" "true" nil t)))
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(format "Type %%p on a commit to %s into it,"
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(substring option 2))
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nil nil (list "--graph"))
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(when magit-commit-show-diff
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(let ((magit-display-buffer-noselect t))
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(apply #'magit-diff-staged nil (magit-diff-arguments)))))))
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(defun magit-commit-amend-assert (&optional commit)
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(--when-let (magit-list-publishing-branches commit)
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(let ((m1 "This commit has already been published to ")
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(m2 ".\nDo you really want to modify it"))
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(magit-confirm 'amend-published
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(concat m1 "%s" m2)
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(concat m1 "%i public branches" m2)
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nil it))))
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(defun magit-commit-assert (args &optional strict)
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(cond
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((or (magit-anything-staged-p)
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(and (magit-anything-unstaged-p)
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;; ^ Everything of nothing is still nothing.
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(member "--all" args))
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(and (not strict)
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;; ^ For amend variants that don't make sense otherwise.
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(or (member "--amend" args)
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(member "--allow-empty" args))))
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(or args (list "--")))
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((and (magit-rebase-in-progress-p)
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(not (magit-anything-unstaged-p))
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(y-or-n-p "Nothing staged. Continue in-progress rebase? "))
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(magit-run-git-sequencer "rebase" "--continue")
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nil)
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((and (file-exists-p (magit-git-dir "MERGE_MSG"))
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(not (magit-anything-unstaged-p)))
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(or args (list "--")))
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((not (magit-anything-unstaged-p))
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(user-error "Nothing staged (or unstaged)"))
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(magit-commit-ask-to-stage
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(when (eq magit-commit-ask-to-stage 'verbose)
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(magit-diff-unstaged))
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(prog1 (when (y-or-n-p "Nothing staged. Stage and commit all unstaged changes? ")
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(magit-run-git "add" "-u" ".")
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(or args (list "--")))
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(when (and (eq magit-commit-ask-to-stage 'verbose)
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||
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(derived-mode-p 'magit-diff-mode))
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(magit-mode-bury-buffer))))
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||
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(t
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||
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(user-error "Nothing staged"))))
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||
|
|
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||
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(defvar magit--reshelve-history nil)
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||
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|
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||
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;;;###autoload
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||
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(defun magit-commit-reshelve (date)
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||
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|
"Change the committer date and possibly the author date of `HEAD'.
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||
|
|
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||
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|
If you are the author of `HEAD', then both dates are changed,
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||
|
|
otherwise only the committer date. The current time is used
|
||
|
|
as the initial minibuffer input and the original author (if
|
||
|
|
that is you) or committer date is available as the previous
|
||
|
|
history element."
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||
|
|
(interactive
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||
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|
(let ((author-p (magit-rev-author-p "HEAD")))
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||
|
|
(push (magit-rev-format (if author-p "%ad" "%cd") "HEAD"
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||
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|
(concat "--date=format:%F %T %z"))
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||
|
|
magit--reshelve-history)
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||
|
|
(list (read-string (if author-p
|
||
|
|
"Change author and committer dates to: "
|
||
|
|
"Change committer date to: ")
|
||
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|
(cons (format-time-string "%F %T %z") 17)
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||
|
|
'magit--reshelve-history))))
|
||
|
|
(let ((process-environment process-environment))
|
||
|
|
(push (concat "GIT_COMMITTER_DATE=" date) process-environment)
|
||
|
|
(magit-run-git "commit" "--amend" "--no-edit"
|
||
|
|
(and (magit-rev-author-p "HEAD")
|
||
|
|
(concat "--date=" date)))))
|
||
|
|
|
||
|
|
;;; Pending Diff
|
||
|
|
|
||
|
|
(defun magit-commit-diff ()
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||
|
|
(when (and git-commit-mode magit-commit-show-diff)
|
||
|
|
(when-let ((diff-buffer (magit-mode-get-buffer 'magit-diff-mode)))
|
||
|
|
;; This window just started displaying the commit message
|
||
|
|
;; buffer. Without this that buffer would immediately be
|
||
|
|
;; replaced with the diff buffer. See #2632.
|
||
|
|
(unrecord-window-buffer nil diff-buffer))
|
||
|
|
(condition-case nil
|
||
|
|
(let ((args (car (magit-diff-arguments)))
|
||
|
|
(magit-inhibit-save-previous-winconf 'unset)
|
||
|
|
(magit-display-buffer-noselect t)
|
||
|
|
(inhibit-quit nil))
|
||
|
|
(message "Diffing changes to be committed (C-g to abort diffing)")
|
||
|
|
(if-let ((fn (cl-case last-command
|
||
|
|
(magit-commit
|
||
|
|
(apply-partially 'magit-diff-staged nil))
|
||
|
|
(magit-commit-all
|
||
|
|
(apply-partially 'magit-diff-working-tree nil))
|
||
|
|
((magit-commit-amend
|
||
|
|
magit-commit-reword
|
||
|
|
magit-rebase-reword-commit)
|
||
|
|
'magit-diff-while-amending))))
|
||
|
|
(funcall fn args)
|
||
|
|
(if (magit-anything-staged-p)
|
||
|
|
(magit-diff-staged nil args)
|
||
|
|
(magit-diff-while-amending args))))
|
||
|
|
(quit))))
|
||
|
|
|
||
|
|
;; Mention `magit-diff-while-committing' because that's
|
||
|
|
;; always what I search for when I try to find this line.
|
||
|
|
(add-hook 'server-switch-hook 'magit-commit-diff)
|
||
|
|
|
||
|
|
(add-to-list 'with-editor-server-window-alist
|
||
|
|
(cons git-commit-filename-regexp 'switch-to-buffer))
|
||
|
|
|
||
|
|
;;; Message Utilities
|
||
|
|
|
||
|
|
(defun magit-commit-message-buffer ()
|
||
|
|
(let* ((find-file-visit-truename t) ; git uses truename of COMMIT_EDITMSG
|
||
|
|
(topdir (magit-toplevel)))
|
||
|
|
(--first (equal topdir (with-current-buffer it
|
||
|
|
(and git-commit-mode (magit-toplevel))))
|
||
|
|
(append (buffer-list (selected-frame))
|
||
|
|
(buffer-list)))))
|
||
|
|
|
||
|
|
(defvar magit-commit-add-log-insert-function 'magit-commit-add-log-insert
|
||
|
|
"Used by `magit-commit-add-log' to insert a single entry.")
|
||
|
|
|
||
|
|
(defun magit-commit-add-log ()
|
||
|
|
"Add a stub for the current change into the commit message buffer.
|
||
|
|
If no commit is in progress, then initiate it. Use the function
|
||
|
|
specified by variable `magit-commit-add-log-insert-function' to
|
||
|
|
actually insert the entry."
|
||
|
|
(interactive)
|
||
|
|
(let ((hunk (magit-section-when 'hunk it))
|
||
|
|
(log (magit-commit-message-buffer)) buf pos)
|
||
|
|
(save-window-excursion
|
||
|
|
(call-interactively #'magit-diff-visit-file)
|
||
|
|
(setq buf (current-buffer))
|
||
|
|
(setq pos (point)))
|
||
|
|
(unless log
|
||
|
|
(unless (magit-commit-assert nil)
|
||
|
|
(user-error "Abort"))
|
||
|
|
(magit-commit)
|
||
|
|
(while (not (setq log (magit-commit-message-buffer)))
|
||
|
|
(sit-for 0.01)))
|
||
|
|
(save-excursion
|
||
|
|
(with-current-buffer buf
|
||
|
|
(goto-char pos)
|
||
|
|
(funcall magit-commit-add-log-insert-function log
|
||
|
|
(magit-file-relative-name)
|
||
|
|
(and hunk (add-log-current-defun)))))))
|
||
|
|
|
||
|
|
(defun magit-commit-add-log-insert (buffer file defun)
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(undo-boundary)
|
||
|
|
(goto-char (point-max))
|
||
|
|
(while (re-search-backward (concat "^" comment-start) nil t))
|
||
|
|
(save-restriction
|
||
|
|
(narrow-to-region (point-min) (point))
|
||
|
|
(cond ((re-search-backward (format "* %s\\(?: (\\([^)]+\\))\\)?: " file)
|
||
|
|
nil t)
|
||
|
|
(when (equal (match-string 1) defun)
|
||
|
|
(setq defun nil))
|
||
|
|
(re-search-forward ": "))
|
||
|
|
(t
|
||
|
|
(when (re-search-backward "^[\\*(].+\n" nil t)
|
||
|
|
(goto-char (match-end 0)))
|
||
|
|
(while (re-search-forward "^[^\\*\n].*\n" nil t))
|
||
|
|
(if defun
|
||
|
|
(progn (insert (format "* %s (%s): \n" file defun))
|
||
|
|
(setq defun nil))
|
||
|
|
(insert (format "* %s: \n" file)))
|
||
|
|
(backward-char)
|
||
|
|
(unless (looking-at "\n[\n\\']")
|
||
|
|
(insert ?\n)
|
||
|
|
(backward-char))))
|
||
|
|
(when defun
|
||
|
|
(forward-line)
|
||
|
|
(let ((limit (save-excursion
|
||
|
|
(and (re-search-forward "^\\*" nil t)
|
||
|
|
(point)))))
|
||
|
|
(unless (or (looking-back (format "(%s): " defun)
|
||
|
|
(line-beginning-position))
|
||
|
|
(re-search-forward (format "^(%s): " defun) limit t))
|
||
|
|
(while (re-search-forward "^[^\\*\n].*\n" limit t))
|
||
|
|
(insert (format "(%s): \n" defun))
|
||
|
|
(backward-char)))))))
|
||
|
|
|
||
|
|
(provide 'magit-commit)
|
||
|
|
;;; magit-commit.el ends here
|