605 lines
25 KiB
EmacsLisp
605 lines
25 KiB
EmacsLisp
;;; magit-ediff.el --- Ediff extension for Magit -*- lexical-binding:t -*-
|
|
|
|
;; Copyright (C) 2008-2022 The Magit Project Contributors
|
|
|
|
;; Author: Jonas Bernoulli <jonas@bernoul.li>
|
|
;; Maintainer: Jonas Bernoulli <jonas@bernoul.li>
|
|
|
|
;; SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
;; 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 of the License, 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 <https://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; This library provides basic support for Ediff.
|
|
|
|
;;; Code:
|
|
|
|
(require 'magit)
|
|
|
|
(require 'ediff)
|
|
(require 'smerge-mode)
|
|
|
|
(defvar smerge-ediff-buf)
|
|
(defvar smerge-ediff-windows)
|
|
|
|
;;; Options
|
|
|
|
(defgroup magit-ediff nil
|
|
"Ediff support for Magit."
|
|
:link '(info-link "(magit)Ediffing")
|
|
:group 'magit-extensions)
|
|
|
|
(defcustom magit-ediff-quit-hook
|
|
'(magit-ediff-cleanup-auxiliary-buffers
|
|
magit-ediff-restore-previous-winconf)
|
|
"Hooks to run after finishing Ediff, when that was invoked using Magit.
|
|
The hooks are run in the Ediff control buffer. This is similar
|
|
to `ediff-quit-hook' but takes the needs of Magit into account.
|
|
The `ediff-quit-hook' is ignored by Ediff sessions which were
|
|
invoked using Magit."
|
|
:package-version '(magit . "2.2.0")
|
|
:group 'magit-ediff
|
|
:type 'hook
|
|
:get #'magit-hook-custom-get
|
|
:options '(magit-ediff-cleanup-auxiliary-buffers
|
|
magit-ediff-restore-previous-winconf))
|
|
|
|
(defcustom magit-ediff-dwim-resolve-function #'magit-ediff-resolve-rest
|
|
"The function `magit-ediff-dwim' uses to resolve conflicts."
|
|
:package-version '(magit . "3.4.0")
|
|
:group 'magit-ediff
|
|
:type '(choice (const magit-ediff-resolve-rest)
|
|
(const magit-ediff-resolve-all)
|
|
(const magit-git-mergetool)))
|
|
|
|
(defcustom magit-ediff-dwim-show-on-hunks nil
|
|
"Whether `magit-ediff-dwim' runs show variants on hunks.
|
|
If non-nil, `magit-ediff-show-staged' or
|
|
`magit-ediff-show-unstaged' are called based on what section the
|
|
hunk is in. Otherwise, `magit-ediff-dwim' runs
|
|
`magit-ediff-stage' when point is on an uncommitted hunk."
|
|
:package-version '(magit . "2.2.0")
|
|
:group 'magit-ediff
|
|
:type 'boolean)
|
|
|
|
(defcustom magit-ediff-show-stash-with-index t
|
|
"Whether `magit-ediff-show-stash' shows the state of the index.
|
|
|
|
If non-nil, use a third Ediff buffer to distinguish which changes
|
|
in the stash were staged. In cases where the stash contains no
|
|
staged changes, fall back to a two-buffer Ediff.
|
|
|
|
More specifically, a stash is a merge commit, stash@{N}, with
|
|
potentially three parents.
|
|
|
|
* stash@{N}^1 represents the `HEAD' commit at the time the stash
|
|
was created.
|
|
|
|
* stash@{N}^2 records any changes that were staged when the stash
|
|
was made.
|
|
|
|
* stash@{N}^3, if it exists, contains files that were untracked
|
|
when stashing.
|
|
|
|
If this option is non-nil, `magit-ediff-show-stash' will run
|
|
Ediff on a file using three buffers: one for stash@{N}, another
|
|
for stash@{N}^1, and a third for stash@{N}^2.
|
|
|
|
Otherwise, Ediff uses two buffers, comparing
|
|
stash@{N}^1..stash@{N}. Along with any unstaged changes, changes
|
|
in the index commit, stash@{N}^2, will be shown in this
|
|
comparison unless they conflicted with changes in the working
|
|
tree at the time of stashing."
|
|
:package-version '(magit . "2.6.0")
|
|
:group 'magit-ediff
|
|
:type 'boolean)
|
|
|
|
(defvar magit-ediff-use-indirect-buffers nil
|
|
"Whether to use indirect buffers.
|
|
Ediff already does a lot of buffer and file shuffling and I
|
|
recommend you do not further complicate that by enabling this.")
|
|
|
|
;;; Commands
|
|
|
|
(defvar magit-ediff-previous-winconf nil)
|
|
|
|
;;;###autoload (autoload 'magit-ediff "magit-ediff" nil)
|
|
(transient-define-prefix magit-ediff ()
|
|
"Show differences using the Ediff package."
|
|
:info-manual "(ediff)"
|
|
["Ediff"
|
|
[("E" "Dwim" magit-ediff-dwim)
|
|
("s" "Stage" magit-ediff-stage)]
|
|
[("m" "Resolve rest" magit-ediff-resolve-rest)
|
|
("M" "Resolve all conflicts" magit-ediff-resolve-all)
|
|
("t" "Resolve using mergetool" magit-git-mergetool)]
|
|
[("u" "Show unstaged" magit-ediff-show-unstaged)
|
|
("i" "Show staged" magit-ediff-show-staged)
|
|
("w" "Show worktree" magit-ediff-show-working-tree)]
|
|
[("c" "Show commit" magit-ediff-show-commit)
|
|
("r" "Show range" magit-ediff-compare)
|
|
("z" "Show stash" magit-ediff-show-stash)]])
|
|
|
|
(defmacro magit-ediff-buffers (a b &optional c setup quit file)
|
|
"Run Ediff on two or three buffers.
|
|
This is a wrapper around `ediff-buffers-internal'.
|
|
|
|
A, B and C have the form (GET-BUFFER CREATE-BUFFER). If
|
|
GET-BUFFER returns a non-nil value, then that buffer is used and
|
|
it is not killed when exiting Ediff. Otherwise CREATE-BUFFER
|
|
must return a buffer and that is killed when exiting Ediff.
|
|
|
|
If non-nil, SETUP must be a function. It is called without
|
|
arguments after Ediff is done setting up buffers.
|
|
|
|
If non-nil, QUIT must be a function. It is added to
|
|
`ediff-quit-hook' and is called without arguments.
|
|
|
|
If FILE is non-nil, then perform a merge. The merge result
|
|
is put in FILE."
|
|
(let (get make kill (char ?A))
|
|
(dolist (spec (list a b c))
|
|
(if (not spec)
|
|
(push nil make)
|
|
(pcase-let ((`(,g ,m) spec))
|
|
(let ((b (intern (format "buf%c" char))))
|
|
(push `(,b ,g) get)
|
|
;; This is an unfortunate complication that I have added for
|
|
;; the benefit of one user. Pretend we used this instead:
|
|
;; (push `(or ,b ,m) make)
|
|
(push `(if ,b
|
|
(if magit-ediff-use-indirect-buffers
|
|
(prog1 (make-indirect-buffer
|
|
,b
|
|
(generate-new-buffer-name (buffer-name ,b))
|
|
t)
|
|
(setq ,b nil))
|
|
,b)
|
|
,m)
|
|
make)
|
|
(push `(unless ,b
|
|
;; For merge jobs Ediff switches buffer names around.
|
|
;; See (if ediff-merge-job ...) in `ediff-setup'.
|
|
(let ((var ,(if (and file (= char ?C))
|
|
'ediff-ancestor-buffer
|
|
(intern (format "ediff-buffer-%c" char)))))
|
|
(ediff-kill-buffer-carefully var)))
|
|
kill))
|
|
(cl-incf char))))
|
|
(setq get (nreverse get))
|
|
(setq make (nreverse make))
|
|
(setq kill (nreverse kill))
|
|
(let ((mconf (cl-gensym "conf"))
|
|
(mfile (cl-gensym "file")))
|
|
`(magit-with-toplevel
|
|
(let ((,mconf (current-window-configuration))
|
|
(,mfile ,file)
|
|
,@get)
|
|
(ediff-buffers-internal
|
|
,@make
|
|
(list ,@(and setup (list setup))
|
|
(lambda ()
|
|
;; We do not want to kill buffers that existed before
|
|
;; Ediff was invoked, so we cannot use Ediff's default
|
|
;; quit functions. Ediff splits quitting across two
|
|
;; hooks for merge jobs but we only ever use one.
|
|
(setq-local ediff-quit-merge-hook nil)
|
|
(setq-local ediff-quit-hook
|
|
(list
|
|
,@(and quit (list quit))
|
|
(lambda ()
|
|
,@kill
|
|
(let ((magit-ediff-previous-winconf ,mconf))
|
|
(run-hooks 'magit-ediff-quit-hook)))))))
|
|
(pcase (list ,(and c t) (and ,mfile t))
|
|
('(nil nil) 'ediff-buffers)
|
|
('(nil t) 'ediff-merge-buffers)
|
|
('(t nil) 'ediff-buffers3)
|
|
('(t t) 'ediff-merge-buffers-with-ancestor))
|
|
,mfile))))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-resolve-all (file)
|
|
"Resolve all conflicts in the FILE at point using Ediff.
|
|
|
|
If there is no file at point or if it doesn't have any unmerged
|
|
changes, then prompt for a file.
|
|
|
|
See info node `(magit) Ediffing' for more information about this
|
|
and alternative commands."
|
|
(interactive (list (magit-read-unmerged-file)))
|
|
(magit-with-toplevel
|
|
(let* ((revA (or (magit-name-branch "HEAD")
|
|
(magit-commit-p "HEAD")))
|
|
(revB (cl-find-if (lambda (head) (file-exists-p (magit-git-dir head)))
|
|
'("MERGE_HEAD" "CHERRY_PICK_HEAD" "REVERT_HEAD")))
|
|
(revB (or (magit-name-branch revB)
|
|
(magit-commit-p revB)))
|
|
(revC (magit-commit-p (magit-git-string "merge-base" revA revB)))
|
|
(fileA (magit--rev-file-name file revA revB))
|
|
(fileB (magit--rev-file-name file revB revA))
|
|
(fileC (or (magit--rev-file-name file revC revA)
|
|
(magit--rev-file-name file revC revB))))
|
|
;; Ediff assumes that the FILE where it is going to store the merge
|
|
;; result does not exist yet, so move the existing file out of the
|
|
;; way. If a buffer visits FILE, then we have to kill that upfront.
|
|
(when-let ((buffer (find-buffer-visiting file)))
|
|
(when (and (buffer-modified-p buffer)
|
|
(not (y-or-n-p (format "Save buffer %s %s? "
|
|
(buffer-name buffer)
|
|
"(cannot continue otherwise)"))))
|
|
(user-error "Abort"))
|
|
(kill-buffer buffer))
|
|
(let ((orig (concat file ".ORIG")))
|
|
(when (file-exists-p orig)
|
|
(rename-file orig (make-temp-name (concat orig "_"))))
|
|
(rename-file file orig))
|
|
(let ((setup (lambda ()
|
|
;; Use the same conflict marker style as Git uses.
|
|
(setq-local ediff-combination-pattern
|
|
'("<<<<<<< HEAD" A
|
|
,(format "||||||| %s" revC) Ancestor
|
|
"=======" B
|
|
,(format ">>>>>>> %s" revB)))))
|
|
(quit (lambda ()
|
|
;; For merge jobs Ediff switches buffer names around.
|
|
;; At this point `ediff-buffer-C' no longer refer to
|
|
;; the ancestor buffer but to the merge result buffer.
|
|
;; See (if ediff-merge-job ...) in `ediff-setup'.
|
|
(when (buffer-live-p ediff-buffer-C)
|
|
(with-current-buffer ediff-buffer-C
|
|
(save-buffer)
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(unless (re-search-forward "^<<<<<<< " nil t)
|
|
(magit-stage-file file))))))))
|
|
(if fileC
|
|
(magit-ediff-buffers
|
|
((magit-get-revision-buffer revA fileA)
|
|
(magit-find-file-noselect revA fileA))
|
|
((magit-get-revision-buffer revB fileB)
|
|
(magit-find-file-noselect revB fileB))
|
|
((magit-get-revision-buffer revC fileC)
|
|
(magit-find-file-noselect revC fileC))
|
|
setup quit file)
|
|
(magit-ediff-buffers
|
|
((magit-get-revision-buffer revA fileA)
|
|
(magit-find-file-noselect revA fileA))
|
|
((magit-get-revision-buffer revB fileB)
|
|
(magit-find-file-noselect revB fileB))
|
|
nil setup quit file))))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-resolve-rest (file)
|
|
"Resolve outstanding conflicts in the FILE at point using Ediff.
|
|
|
|
If there is no file at point or if it doesn't have any unmerged
|
|
changes, then prompt for a file.
|
|
|
|
See info node `(magit) Ediffing' for more information about this
|
|
and alternative commands."
|
|
(interactive (list (magit-read-unmerged-file)))
|
|
(magit-with-toplevel
|
|
(with-current-buffer (find-file-noselect file)
|
|
(smerge-ediff)
|
|
(setq-local
|
|
ediff-quit-hook
|
|
(lambda ()
|
|
(let ((bufC ediff-buffer-C)
|
|
(bufS smerge-ediff-buf))
|
|
(with-current-buffer bufS
|
|
(when (yes-or-no-p (format "Conflict resolution finished; save %s? "
|
|
buffer-file-name))
|
|
(erase-buffer)
|
|
(insert-buffer-substring bufC)
|
|
(save-buffer))))
|
|
(when (buffer-live-p ediff-buffer-A) (kill-buffer ediff-buffer-A))
|
|
(when (buffer-live-p ediff-buffer-B) (kill-buffer ediff-buffer-B))
|
|
(when (buffer-live-p ediff-buffer-C) (kill-buffer ediff-buffer-C))
|
|
(when (buffer-live-p ediff-ancestor-buffer)
|
|
(kill-buffer ediff-ancestor-buffer))
|
|
(let ((magit-ediff-previous-winconf smerge-ediff-windows))
|
|
(run-hooks 'magit-ediff-quit-hook)))))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-stage (file)
|
|
"Stage and unstage changes to FILE using Ediff.
|
|
FILE has to be relative to the top directory of the repository."
|
|
(interactive
|
|
(let ((files (magit-tracked-files)))
|
|
(list (magit-completing-read "Selectively stage file" files nil t nil nil
|
|
(car (member (magit-current-file) files))))))
|
|
(magit-with-toplevel
|
|
(let* ((bufA (magit-get-revision-buffer "HEAD" file))
|
|
(bufB (magit-get-revision-buffer "{index}" file))
|
|
(lockB (and bufB (buffer-local-value 'buffer-read-only bufB)))
|
|
(bufC (get-file-buffer file))
|
|
;; Use the same encoding for all three buffers or we
|
|
;; may end up changing the file in an unintended way.
|
|
(bufC* (or bufC (find-file-noselect file)))
|
|
(coding-system-for-read
|
|
(buffer-local-value 'buffer-file-coding-system bufC*))
|
|
(bufA* (magit-find-file-noselect-1 "HEAD" file t))
|
|
(bufB* (magit-find-file-index-noselect file t)))
|
|
(with-current-buffer bufB* (setq buffer-read-only nil))
|
|
(magit-ediff-buffers
|
|
(bufA bufA*)
|
|
(bufB bufB*)
|
|
(bufC bufC*)
|
|
nil
|
|
(lambda ()
|
|
(when (buffer-live-p ediff-buffer-B)
|
|
(when lockB
|
|
(with-current-buffer bufB (setq buffer-read-only t)))
|
|
(when (buffer-modified-p ediff-buffer-B)
|
|
(with-current-buffer ediff-buffer-B
|
|
(magit-update-index))))
|
|
(when (and (buffer-live-p ediff-buffer-C)
|
|
(buffer-modified-p ediff-buffer-C))
|
|
(with-current-buffer ediff-buffer-C
|
|
(when (y-or-n-p (format "Save file %s? " buffer-file-name))
|
|
(save-buffer)))))))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-compare (revA revB fileA fileB)
|
|
"Compare REVA:FILEA with REVB:FILEB using Ediff.
|
|
|
|
FILEA and FILEB have to be relative to the top directory of the
|
|
repository. If REVA or REVB is nil, then this stands for the
|
|
working tree state.
|
|
|
|
If the region is active, use the revisions on the first and last
|
|
line of the region. With a prefix argument, instead of diffing
|
|
the revisions, choose a revision to view changes along, starting
|
|
at the common ancestor of both revisions (i.e., use a \"...\"
|
|
range)."
|
|
(interactive
|
|
(pcase-let ((`(,revA ,revB) (magit-ediff-compare--read-revisions
|
|
nil current-prefix-arg)))
|
|
(nconc (list revA revB)
|
|
(magit-ediff-read-files revA revB))))
|
|
(magit-ediff-buffers
|
|
((if revA (magit-get-revision-buffer revA fileA) (get-file-buffer fileA))
|
|
(if revA (magit-find-file-noselect revA fileA) (find-file-noselect fileA)))
|
|
((if revB (magit-get-revision-buffer revB fileB) (get-file-buffer fileB))
|
|
(if revB (magit-find-file-noselect revB fileB) (find-file-noselect fileB)))))
|
|
|
|
(defun magit-ediff-compare--read-revisions (&optional arg mbase)
|
|
(let ((input (or arg (magit-diff-read-range-or-commit
|
|
"Compare range or commit"
|
|
nil mbase))))
|
|
(--if-let (magit-split-range input)
|
|
(-cons-to-list it)
|
|
(list input nil))))
|
|
|
|
(defun magit-ediff-read-files (revA revB &optional fileB)
|
|
"Read file in REVB, return it and the corresponding file in REVA.
|
|
When FILEB is non-nil, use this as REVB's file instead of
|
|
prompting for it."
|
|
(unless (and fileB (member fileB (magit-revision-files revB)))
|
|
(setq fileB
|
|
(or (and fileB
|
|
magit-buffer-log-files
|
|
(derived-mode-p 'magit-log-mode)
|
|
(member "--follow" magit-buffer-log-args)
|
|
(cdr (assoc fileB
|
|
(magit-renamed-files
|
|
revB
|
|
(oref (car (oref magit-root-section children))
|
|
value)))))
|
|
(magit-read-file-choice
|
|
(format "File to compare between %s and %s"
|
|
revA (or revB "the working tree"))
|
|
(magit-changed-files revA revB)
|
|
(format "No changed files between %s and %s"
|
|
revA (or revB "the working tree"))))))
|
|
(list (or (car (member fileB (magit-revision-files revA)))
|
|
(cdr (assoc fileB (magit-renamed-files revB revA)))
|
|
(magit-read-file-choice
|
|
(format "File in %s to compare with %s in %s"
|
|
revA fileB (or revB "the working tree"))
|
|
(magit-changed-files revB revA)
|
|
(format "No files have changed between %s and %s"
|
|
revA revB)))
|
|
fileB))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-dwim ()
|
|
"Compare, stage, or resolve using Ediff.
|
|
This command tries to guess what file, and what commit or range
|
|
the user wants to compare, stage, or resolve using Ediff. It
|
|
might only be able to guess either the file, or range or commit,
|
|
in which case the user is asked about the other. It might not
|
|
always guess right, in which case the appropriate `magit-ediff-*'
|
|
command has to be used explicitly. If it cannot read the user's
|
|
mind at all, then it asks the user for a command to run."
|
|
(interactive)
|
|
(magit-section-case
|
|
(hunk (save-excursion
|
|
(goto-char (oref (oref it parent) start))
|
|
(magit-ediff-dwim)))
|
|
(t
|
|
(let ((range (magit-diff--dwim))
|
|
(file (magit-current-file))
|
|
command revA revB)
|
|
(pcase range
|
|
((and (guard (not magit-ediff-dwim-show-on-hunks))
|
|
(or 'unstaged 'staged))
|
|
(setq command (if (magit-anything-unmerged-p)
|
|
magit-ediff-dwim-resolve-function
|
|
#'magit-ediff-stage)))
|
|
('unstaged (setq command #'magit-ediff-show-unstaged))
|
|
('staged (setq command #'magit-ediff-show-staged))
|
|
(`(commit . ,value)
|
|
(setq command #'magit-ediff-show-commit)
|
|
(setq revB value))
|
|
(`(stash . ,value)
|
|
(setq command #'magit-ediff-show-stash)
|
|
(setq revB value))
|
|
((pred stringp)
|
|
(pcase-let ((`(,a ,b) (magit-ediff-compare--read-revisions range)))
|
|
(setq command #'magit-ediff-compare)
|
|
(setq revA a)
|
|
(setq revB b)))
|
|
(_
|
|
(when (derived-mode-p 'magit-diff-mode)
|
|
(pcase (magit-diff-type)
|
|
('committed (pcase-let ((`(,a ,b)
|
|
(magit-ediff-compare--read-revisions
|
|
magit-buffer-range)))
|
|
(setq revA a)
|
|
(setq revB b)))
|
|
((guard (not magit-ediff-dwim-show-on-hunks))
|
|
(setq command #'magit-ediff-stage))
|
|
('unstaged (setq command #'magit-ediff-show-unstaged))
|
|
('staged (setq command #'magit-ediff-show-staged))
|
|
('undefined (setq command nil))
|
|
(_ (setq command nil))))))
|
|
(cond ((not command)
|
|
(call-interactively
|
|
(magit-read-char-case
|
|
"Failed to read your mind; do you want to " t
|
|
(?c "[c]ommit" #'magit-ediff-show-commit)
|
|
(?r "[r]ange" #'magit-ediff-compare)
|
|
(?s "[s]tage" #'magit-ediff-stage)
|
|
(?m "[m] resolve remaining conflicts"
|
|
#'magit-ediff-resolve-rest)
|
|
(?M "[M] resolve all conflicts"
|
|
#'magit-ediff-resolve-all))))
|
|
((eq command #'magit-ediff-compare)
|
|
(apply #'magit-ediff-compare revA revB
|
|
(magit-ediff-read-files revA revB file)))
|
|
((eq command #'magit-ediff-show-commit)
|
|
(magit-ediff-show-commit revB))
|
|
((eq command #'magit-ediff-show-stash)
|
|
(magit-ediff-show-stash revB))
|
|
(file
|
|
(funcall command file))
|
|
(t
|
|
(call-interactively command)))))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-show-staged (file)
|
|
"Show staged changes using Ediff.
|
|
|
|
This only allows looking at the changes; to stage, unstage,
|
|
and discard changes using Ediff, use `magit-ediff-stage'.
|
|
|
|
FILE must be relative to the top directory of the repository."
|
|
(interactive
|
|
(list (magit-read-file-choice "Show staged changes for file"
|
|
(magit-staged-files)
|
|
"No staged files")))
|
|
(magit-ediff-buffers ((magit-get-revision-buffer "HEAD" file)
|
|
(magit-find-file-noselect "HEAD" file))
|
|
((get-buffer (concat file ".~{index}~"))
|
|
(magit-find-file-index-noselect file t))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-show-unstaged (file)
|
|
"Show unstaged changes using Ediff.
|
|
|
|
This only allows looking at the changes; to stage, unstage,
|
|
and discard changes using Ediff, use `magit-ediff-stage'.
|
|
|
|
FILE must be relative to the top directory of the repository."
|
|
(interactive
|
|
(list (magit-read-file-choice "Show unstaged changes for file"
|
|
(magit-unstaged-files)
|
|
"No unstaged files")))
|
|
(magit-ediff-buffers ((get-buffer (concat file ".~{index}~"))
|
|
(magit-find-file-index-noselect file t))
|
|
((get-file-buffer file)
|
|
(find-file-noselect file))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-show-working-tree (file)
|
|
"Show changes between `HEAD' and working tree using Ediff.
|
|
FILE must be relative to the top directory of the repository."
|
|
(interactive
|
|
(list (magit-read-file-choice "Show changes in file"
|
|
(magit-changed-files "HEAD")
|
|
"No changed files")))
|
|
(magit-ediff-buffers ((magit-get-revision-buffer "HEAD" file)
|
|
(magit-find-file-noselect "HEAD" file))
|
|
((get-file-buffer file)
|
|
(find-file-noselect file))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-show-commit (commit)
|
|
"Show changes introduced by COMMIT using Ediff."
|
|
(interactive (list (magit-read-branch-or-commit "Revision")))
|
|
(let ((revA (concat commit "^"))
|
|
(revB commit))
|
|
(apply #'magit-ediff-compare
|
|
revA revB
|
|
(magit-ediff-read-files revA revB (magit-current-file)))))
|
|
|
|
;;;###autoload
|
|
(defun magit-ediff-show-stash (stash)
|
|
"Show changes introduced by STASH using Ediff.
|
|
`magit-ediff-show-stash-with-index' controls whether a
|
|
three-buffer Ediff is used in order to distinguish changes in the
|
|
stash that were staged."
|
|
(interactive (list (magit-read-stash "Stash")))
|
|
(pcase-let* ((revA (concat stash "^1"))
|
|
(revB (concat stash "^2"))
|
|
(revC stash)
|
|
(`(,fileA ,fileC) (magit-ediff-read-files revA revC))
|
|
(fileB fileC))
|
|
(if (and magit-ediff-show-stash-with-index
|
|
(member fileA (magit-changed-files revB revA)))
|
|
(magit-ediff-buffers
|
|
((magit-get-revision-buffer revA fileA)
|
|
(magit-find-file-noselect revA fileA))
|
|
((magit-get-revision-buffer revB fileB)
|
|
(magit-find-file-noselect revB fileB))
|
|
((magit-get-revision-buffer revC fileC)
|
|
(magit-find-file-noselect revC fileC)))
|
|
(magit-ediff-compare revA revC fileA fileC))))
|
|
|
|
(defun magit-ediff-cleanup-auxiliary-buffers ()
|
|
(let* ((ctl-buf ediff-control-buffer)
|
|
(ctl-win (ediff-get-visible-buffer-window ctl-buf))
|
|
(ctl-frm ediff-control-frame)
|
|
(main-frame (cond ((window-live-p ediff-window-A)
|
|
(window-frame ediff-window-A))
|
|
((window-live-p ediff-window-B)
|
|
(window-frame ediff-window-B)))))
|
|
(ediff-kill-buffer-carefully ediff-diff-buffer)
|
|
(ediff-kill-buffer-carefully ediff-custom-diff-buffer)
|
|
(ediff-kill-buffer-carefully ediff-fine-diff-buffer)
|
|
(ediff-kill-buffer-carefully ediff-tmp-buffer)
|
|
(ediff-kill-buffer-carefully ediff-error-buffer)
|
|
(ediff-kill-buffer-carefully ediff-msg-buffer)
|
|
(ediff-kill-buffer-carefully ediff-debug-buffer)
|
|
(when (boundp 'ediff-patch-diagnostics)
|
|
(ediff-kill-buffer-carefully ediff-patch-diagnostics))
|
|
(cond ((and (display-graphic-p)
|
|
(frame-live-p ctl-frm))
|
|
(delete-frame ctl-frm))
|
|
((window-live-p ctl-win)
|
|
(delete-window ctl-win)))
|
|
(ediff-kill-buffer-carefully ctl-buf)
|
|
(when (frame-live-p main-frame)
|
|
(select-frame main-frame))))
|
|
|
|
(defun magit-ediff-restore-previous-winconf ()
|
|
(set-window-configuration magit-ediff-previous-winconf))
|
|
|
|
;;; _
|
|
(provide 'magit-ediff)
|
|
;;; magit-ediff.el ends here
|