my-emacs-d/elpa/magit-20161001.1454/magit-commit.el
Gergely Polonkai 449ebf466d Update packages
2016-10-03 13:57:29 +02:00

418 lines
17 KiB
EmacsLisp

;;; magit-commit.el --- create Git commits -*- lexical-binding: t -*-
;; Copyright (C) 2008-2016 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 commands for creating Git commits. These
;; commands just initiate the commit, support for writing the commit
;; messages is implemented in `git-commit.el'.
;;; Code:
(require 'magit)
(require 'magit-sequence)
(eval-when-compile (require 'epa)) ; for `epa-protocol'
(eval-when-compile (require 'epg))
(declare-function epg-sub-key-id 'epg)
(declare-function epg-key-sub-key-list 'epg)
(declare-function epg-key-user-id-list 'epg)
(declare-function epg-user-id-string 'epg)
(declare-function epg-decode-dn 'epg)
(declare-function epg-list-keys 'epg)
;;; Options
(defcustom magit-commit-arguments nil
"The arguments used when committing."
:group 'magit-commands
:type '(repeat (string :tag "Argument")))
(defcustom magit-commit-ask-to-stage 'verbose
"Whether to ask to stage everything when committing and nothing is staged."
:package-version '(magit . "2.3.0")
:group 'magit-commands
:type '(choice (const :tag "Ask showing diff" verbose)
(const :tag "Ask" t)
(const :tag "Don't ask" nil)))
(defcustom magit-commit-show-diff t
"Whether the relevant diff is automatically shown when committing."
:package-version '(magit . "2.3.0")
:group 'magit-commands
:type 'boolean)
(defcustom magit-commit-extend-override-date t
"Whether using `magit-commit-extend' changes the committer date."
:package-version '(magit . "2.3.0")
:group 'magit-commands
:type 'boolean)
(defcustom magit-commit-reword-override-date t
"Whether using `magit-commit-reword' changes the committer date."
:package-version '(magit . "2.3.0")
:group 'magit-commands
:type 'boolean)
(defcustom magit-commit-squash-confirm t
"Whether the commit targeted by squash and fixup has to be confirmed.
When non-nil then the commit at point (if any) is used as default
choice, otherwise it has to be confirmed. This option only
affects `magit-commit-squash' and `magit-commit-fixup'. The
\"instant\" variants always require confirmation because making
an error while using those is harder to recover from."
:package-version '(magit . "2.1.0")
:group 'magit-commands
:type 'boolean)
;;; Code
(defun magit-commit-popup (&optional arg)
"Popup console for commit commands."
(interactive "P")
(--if-let (magit-commit-message-buffer)
(switch-to-buffer it)
(magit-invoke-popup 'magit-commit-popup nil arg)))
(defvar magit-commit-popup
'(:variable magit-commit-arguments
:man-page "git-commit"
:switches ((?a "Stage all modified and deleted files" "--all")
(?e "Allow empty commit" "--allow-empty")
(?v "Show diff of changes to be committed" "--verbose")
(?n "Bypass git hooks" "--no-verify")
(?s "Add Signed-off-by line" "--signoff")
(?R "Claim authorship and reset author date" "--reset-author"))
:options ((?A "Override the author" "--author=")
(?S "Sign using gpg" "--gpg-sign=" magit-read-gpg-secret-key)
(?C "Reuse commit message" "--reuse-message="))
:actions ((?c "Commit" magit-commit)
(?e "Extend" magit-commit-extend)
(?f "Fixup" magit-commit-fixup)
(?F "Instant Fixup" magit-commit-instant-fixup) nil
(?w "Reword" magit-commit-reword)
(?s "Squash" magit-commit-squash)
(?S "Instant Squash" magit-commit-instant-squash) nil
(?a "Amend" magit-commit-amend)
(?A "Augment" magit-commit-augment))
:max-action-columns 4
:default-action magit-commit))
(magit-define-popup-keys-deferred 'magit-commit-popup)
(defun magit-commit-arguments nil
(if (eq magit-current-popup 'magit-commit-popup)
magit-current-popup-args
magit-commit-arguments))
(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)))))
;;;###autoload
(defun magit-commit (&optional args)
"Create a new commit on HEAD.
With a prefix argument amend to the commit at HEAD instead.
\n(git commit [--amend] ARGS)"
(interactive (if current-prefix-arg
(list (cons "--amend" (magit-commit-arguments)))
(list (magit-commit-arguments))))
(when (setq args (magit-commit-assert args))
(magit-run-git-with-editor "commit" args)))
;;;###autoload
(defun magit-commit-amend (&optional args)
"Amend the last commit.
\n(git commit --amend ARGS)"
(interactive (list (magit-commit-arguments)))
(magit-run-git-with-editor "commit" "--amend" args))
;;;###autoload
(defun magit-commit-extend (&optional args override-date)
"Amend the last commit, without editing the message.
With a prefix argument keep the committer date, otherwise change
it. The option `magit-commit-extend-override-date' can be used
to inverse the meaning of the prefix argument. \n(git commit
--amend --no-edit)"
(interactive (list (magit-commit-arguments)
(if current-prefix-arg
(not magit-commit-extend-override-date)
magit-commit-extend-override-date)))
(when (setq args (magit-commit-assert args (not override-date)))
(let ((process-environment process-environment))
(unless override-date
(push (magit-rev-format "GIT_COMMITTER_DATE=%cD") process-environment))
(magit-run-git-with-editor "commit" "--amend" "--no-edit" args))))
;;;###autoload
(defun magit-commit-reword (&optional args override-date)
"Reword the last commit, ignoring staged changes.
With a prefix argument keep the committer date, otherwise change
it. The option `magit-commit-reword-override-date' can be used
to inverse the meaning of the prefix argument.
Non-interactively respect the optional OVERRIDE-DATE argument
and ignore the option.
\n(git commit --amend --only)"
(interactive (list (magit-commit-arguments)
(if current-prefix-arg
(not magit-commit-reword-override-date)
magit-commit-reword-override-date)))
(let ((process-environment process-environment))
(unless override-date
(push (magit-rev-format "GIT_COMMITTER_DATE=%cD") process-environment))
(magit-run-git-with-editor "commit" "--amend" "--only" args)))
;;;###autoload
(defun magit-commit-fixup (&optional commit args)
"Create a fixup commit.
With a prefix argument the target COMMIT has to be confirmed.
Otherwise the commit at point may be used without confirmation
depending on the value of option `magit-commit-squash-confirm'."
(interactive (list (magit-commit-at-point)
(magit-commit-arguments)))
(magit-commit-squash-internal "--fixup" commit args))
;;;###autoload
(defun magit-commit-squash (&optional commit args)
"Create a squash commit, without editing the squash message.
With a prefix argument the target COMMIT has to be confirmed.
Otherwise the commit at point may be used without confirmation
depending on the value of option `magit-commit-squash-confirm'."
(interactive (list (magit-commit-at-point)
(magit-commit-arguments)))
(magit-commit-squash-internal "--squash" commit args))
;;;###autoload
(defun magit-commit-augment (&optional commit args)
"Create a squash commit, editing the squash message.
With a prefix argument the target COMMIT has to be confirmed.
Otherwise the commit at point may be used without confirmation
depending on the value of option `magit-commit-squash-confirm'."
(interactive (list (magit-commit-at-point)
(magit-commit-arguments)))
(magit-commit-squash-internal "--squash" commit args nil t))
;;;###autoload
(defun magit-commit-instant-fixup (&optional commit args)
"Create a fixup commit targeting COMMIT and instantly rebase."
(interactive (list (magit-commit-at-point)
(magit-commit-arguments)))
(magit-commit-squash-internal "--fixup" commit args t))
;;;###autoload
(defun magit-commit-instant-squash (&optional commit args)
"Create a squash commit targeting COMMIT and instantly rebase."
(interactive (list (magit-commit-at-point)
(magit-commit-arguments)))
(magit-commit-squash-internal "--squash" commit args t))
(defun magit-commit-squash-internal
(option commit &optional args rebase edit confirmed)
(-when-let (args (magit-commit-assert args t))
(if (and commit
(or confirmed
(not (or rebase
current-prefix-arg
magit-commit-squash-confirm))))
(let ((magit-commit-show-diff nil))
(push (concat option "=" commit) args)
(unless edit
(push "--no-edit" args))
(if rebase
(with-editor "GIT_EDITOR"
(let ((magit-process-popup-time -1))
(magit-call-git
"commit" (-remove-first
(apply-partially #'string-match-p "\\`--gpg-sign=")
args))))
(magit-run-git-with-editor "commit" args)))
(magit-log-select
`(lambda (commit)
(magit-commit-squash-internal ,option commit ',args ,rebase ,edit t)
,@(when rebase
`((magit-rebase-interactive-1 commit
(list "--autosquash" "--autostash")
"" "true"))))
(format "Type %%p on a commit to %s into it,"
(substring option 2)))
(when magit-commit-show-diff
(let ((magit-display-buffer-noselect t))
(apply #'magit-diff-staged nil (magit-diff-arguments)))))))
(defun magit-commit-assert (args &optional strict)
(cond
((or (magit-anything-staged-p)
(and (magit-anything-unstaged-p)
;; ^ Everything of nothing is still nothing.
(member "--all" args))
(and (not strict)
;; ^ For amend variants that don't make sense otherwise.
(or (member "--amend" args)
(member "--allow-empty" args))))
(or args (list "--")))
((and (magit-rebase-in-progress-p)
(not (magit-anything-unstaged-p))
(y-or-n-p "Nothing staged. Continue in-progress rebase? "))
(magit-run-git-sequencer "rebase" "--continue")
nil)
((and (file-exists-p (magit-git-dir "MERGE_MSG"))
(not (magit-anything-unstaged-p)))
(or args (list "--")))
((not (magit-anything-unstaged-p))
(user-error "Nothing staged (or unstaged)"))
(magit-commit-ask-to-stage
(when (eq magit-commit-ask-to-stage 'verbose)
(magit-diff-unstaged))
(prog1 (when (y-or-n-p "Nothing staged. Stage and commit everything? ")
(magit-run-git "add" "-u" ".")
(or args (list "--")))
(when (and (eq magit-commit-ask-to-stage 'verbose)
(derived-mode-p 'magit-diff-mode))
(magit-mode-bury-buffer))))
(t
(user-error "Nothing staged"))))
(defun magit-commit-diff ()
(-when-let (fn (and git-commit-mode
magit-commit-show-diff
(pcase last-command
(`magit-commit
(apply-partially 'magit-diff-staged nil))
(`magit-commit-amend 'magit-diff-while-amending)
(`magit-commit-reword 'magit-diff-while-amending))))
(-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 ((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)")
(funcall fn (car (magit-diff-arguments))))
(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))
(defvar magit-gpg-secret-key-hist nil)
(defun magit-read-gpg-secret-key (prompt &optional _initial-input)
(require 'epa)
(let ((keys (--map (concat (epg-sub-key-id (car (epg-key-sub-key-list it)))
" "
(-when-let (id-obj (car (epg-key-user-id-list it)))
(let ((id-str (epg-user-id-string id-obj)))
(if (stringp id-str)
id-str
(epg-decode-dn id-obj)))))
(epg-list-keys (epg-make-context epa-protocol) nil t))))
(car (split-string (magit-completing-read
prompt keys nil nil nil 'magit-gpg-secret-key-hist
(car (or magit-gpg-secret-key-hist keys)))
" "))))
(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)
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))
(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))))))
;;; magit-commit.el ends soon
(provide 'magit-commit)
;; Local Variables:
;; indent-tabs-mode: nil
;; End:
;;; magit-commit.el ends here