;;; vc-git.el --- VC backend for the git version control system -*- lexical-binding: t -*-
-;; Copyright (C) 2006-2015 Free Software Foundation, Inc.
+;; Copyright (C) 2006-2016 Free Software Foundation, Inc.
;; Author: Alexandre Julliard <julliard@winehq.org>
;; Keywords: vc tools
:type '(list string string (repeat sexp))
:version "24.1")
-(defvar vc-git-commits-coding-system 'utf-8
- "Default coding system for git commits.")
+(defcustom vc-git-commits-coding-system 'utf-8
+ "Default coding system for sending commit log messages to Git.
+
+Should be consistent with the Git config value i18n.commitEncoding,
+and should also be consistent with `locale-coding-system'."
+ :type '(coding-system :tag "Coding system to encode Git commit logs")
+ :version "25.1")
+
+(defcustom vc-git-log-output-coding-system 'utf-8
+ "Default coding system for receiving log output from Git.
+
+Should be consistent with the Git config value i18n.logOutputEncoding."
+ :type '(coding-system :tag "Coding system to decode Git log output")
+ :version "25.1")
;; History of Git commands.
(defvar vc-git-history nil)
"Major mode for editing Git log messages.
It is based on `log-edit-mode', and has Git-specific extensions.")
-(defun vc-git-checkin (files comment)
+(defun vc-git-checkin (files comment &optional _rev)
(let* ((file1 (or (car files) default-directory))
(root (vc-git-root file1))
(default-directory (expand-file-name root))
(only (or (cdr files)
(not (equal root (abbreviate-file-name file1)))))
- (coding-system-for-write vc-git-commits-coding-system))
+ (pcsw coding-system-for-write)
+ (coding-system-for-write
+ ;; On MS-Windows, we must encode command-line arguments in
+ ;; the system codepage.
+ (if (eq system-type 'windows-nt)
+ locale-coding-system
+ (or coding-system-for-write vc-git-commits-coding-system)))
+ (msg-file
+ ;; On MS-Windows, pass the commit log message through a
+ ;; file, to work around the limitation that command-line
+ ;; arguments must be in the system codepage, and therefore
+ ;; might not support the non-ASCII characters in the log
+ ;; message.
+ (if (eq system-type 'windows-nt) (make-temp-file "git-msg"))))
(cl-flet ((boolean-arg-fn
(argument)
(lambda (value) (when (equal value "yes") (list argument)))))
;; When operating on the whole tree, better pass "-a" than ".", since "."
;; fails when we're committing a merge.
(apply 'vc-git-command nil 0 (if only files)
- (nconc (list "commit" "-m")
- (log-edit-extract-headers
- `(("Author" . "--author")
- ("Date" . "--date")
- ("Amend" . ,(boolean-arg-fn "--amend"))
- ("Sign-Off" . ,(boolean-arg-fn "--signoff")))
- comment)
- (if only (list "--only" "--") '("-a")))))))
+ (nconc (if msg-file (list "commit" "-F" msg-file)
+ (list "commit" "-m"))
+ (let ((args
+ (log-edit-extract-headers
+ `(("Author" . "--author")
+ ("Date" . "--date")
+ ("Amend" . ,(boolean-arg-fn "--amend"))
+ ("Sign-Off" . ,(boolean-arg-fn "--signoff")))
+ comment)))
+ (when msg-file
+ (let ((coding-system-for-write
+ (or pcsw vc-git-commits-coding-system)))
+ (write-region (car args) nil msg-file))
+ (setq args (cdr args)))
+ args)
+ (if only (list "--only" "--") '("-a")))))
+ (if (and msg-file (file-exists-p msg-file)) (delete-file msg-file))))
(defun vc-git-find-revision (file rev buffer)
(let* (process-file-side-effects
"cat-file" "blob" (concat (if rev rev "HEAD") ":" fullname))))
(defun vc-git-find-ignore-file (file)
- "Return the root directory of the repository of FILE."
+ "Return the git ignore file that controls FILE."
(expand-file-name ".gitignore"
(vc-git-root file)))
(smerge-start-session)
(when vc-git-resolve-conflicts
(add-hook 'after-save-hook 'vc-git-resolve-when-done nil 'local))
- (message "There are unresolved conflicts in this file")))
+ (vc-message-unresolved-conflicts buffer-file-name)))
;;; HISTORY FUNCTIONS
\(This requires at least Git version 1.5.6, for the --graph option.)
If START-REVISION is non-nil, it is the newest revision to show.
If LIMIT is non-nil, show no more than this many entries."
- (let ((coding-system-for-read vc-git-commits-coding-system))
+ (let ((coding-system-for-read
+ (or coding-system-for-read vc-git-log-output-coding-system)))
;; `vc-do-command' creates the buffer, but we need it before running
;; the command.
(vc-setup-buffer buffer)
(goto-char (point-min))
(unless (eobp)
;; Indent the expanded log entry.
- (indent-region (point-min) (point-max) 2)
+ (while (re-search-forward "^ " nil t)
+ (replace-match "")
+ (forward-line))
(buffer-string))))
(defun vc-git-region-history (file buffer lfrom lto)
+ ;; The "git log" command below interprets the line numbers as applying
+ ;; to the HEAD version of the file, not to the current state of the file.
+ ;; So we need to look at all the local changes and adjust lfrom/lto
+ ;; accordingly.
+ ;; FIXME: Maybe this should be done in vc.el (i.e. for all backends), but
+ ;; since Git is the only backend to support this operation so far, it's hard
+ ;; to tell.
+ (with-temp-buffer
+ (vc-call-backend 'git 'diff file "HEAD" nil (current-buffer))
+ (goto-char (point-min))
+ (let ((last-offset 0)
+ (from-offset nil)
+ (to-offset nil))
+ (while (re-search-forward
+ "^@@ -\\([0-9]+\\),\\([0-9]+\\) \\+\\([0-9]+\\),\\([0-9]+\\) @@" nil t)
+ (let ((headno (string-to-number (match-string 1)))
+ (headcnt (string-to-number (match-string 2)))
+ (curno (string-to-number (match-string 3)))
+ (curcnt (string-to-number (match-string 4))))
+ (cl-assert (equal (- curno headno) last-offset))
+ (and (null from-offset) (> curno lfrom)
+ (setq from-offset last-offset))
+ (and (null to-offset) (> curno lto)
+ (setq to-offset last-offset))
+ (setq last-offset
+ (- (+ curno curcnt) (+ headno headcnt)))))
+ (setq lto (- lto (or to-offset last-offset)))
+ (setq lfrom (- lfrom (or to-offset last-offset)))))
(vc-git-command buffer 'async nil "log" "-p" ;"--follow" ;FIXME: not supported?
(format "-L%d,%d:%s" lfrom lto (file-relative-name file))))
(autoload 'vc-switches "vc")
-(defun vc-git-diff (files &optional rev1 rev2 buffer async)
+(defun vc-git-diff (files &optional rev1 rev2 buffer _async)
"Get a difference report using Git between two revisions of FILES."
(let (process-file-side-effects
(command "diff-tree"))
(unless rev1 (setq rev1 "HEAD")))
(if vc-git-diff-switches
(apply #'vc-git-command (or buffer "*vc-diff*")
- (if async 'async 1)
+ 1 ; bug#21969
files
command
"--exit-code"
(defun vc-git-stash-apply-at-point ()
(interactive)
- (vc-git-stash-apply (format "stash@%s" (vc-git-stash-get-at-point (point)))))
+ (let (vc-dir-buffers) ; Small optimization.
+ (vc-git-stash-apply (format "stash@%s" (vc-git-stash-get-at-point (point)))))
+ (vc-dir-refresh))
(defun vc-git-stash-pop-at-point ()
(interactive)
- (vc-git-stash-pop (format "stash@%s" (vc-git-stash-get-at-point (point)))))
+ (let (vc-dir-buffers) ; Likewise.
+ (vc-git-stash-pop (format "stash@%s" (vc-git-stash-get-at-point (point)))))
+ (vc-dir-refresh))
(defun vc-git-stash-menu (e)
(interactive "e")
"A wrapper around `vc-do-command' for use in vc-git.el.
The difference to vc-do-command is that this function always invokes
`vc-git-program'."
- (let ((coding-system-for-read vc-git-commits-coding-system)
- (coding-system-for-write vc-git-commits-coding-system))
+ (let ((coding-system-for-read
+ (or coding-system-for-read vc-git-log-output-coding-system))
+ (coding-system-for-write
+ (or coding-system-for-write vc-git-commits-coding-system)))
(apply 'vc-do-command (or buffer "*vc*") okstatus vc-git-program
;; http://debbugs.gnu.org/16897
(unless (and (not (cdr-safe file-or-list))
;; directories. We enable `inhibit-null-byte-detection', otherwise
;; Tramp's eol conversion might be confused.
(let ((inhibit-null-byte-detection t)
- (coding-system-for-read vc-git-commits-coding-system)
- (coding-system-for-write vc-git-commits-coding-system)
+ (coding-system-for-read
+ (or coding-system-for-read vc-git-log-output-coding-system))
+ (coding-system-for-write
+ (or coding-system-for-write vc-git-commits-coding-system))
(process-environment (cons "PAGER=" process-environment)))
(apply 'process-file vc-git-program nil buffer nil command args)))