;;; 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
(vc-git--state-code diff-letter)))
(if (vc-git--empty-db-p) 'added 'up-to-date))))
-(defun vc-git-working-revision (file)
+(defun vc-git-working-revision (_file)
"Git-specific version of `vc-working-revision'."
- (let* (process-file-side-effects
- (str (vc-git--run-command-string nil "symbolic-ref" "HEAD")))
- (vc-file-setprop file 'vc-git-detached (null str))
- (if str
- (if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
- (match-string 2 str)
- str)
- (vc-git--rev-parse "HEAD"))))
+ (let (process-file-side-effects)
+ (vc-git--rev-parse "HEAD")))
+
+(defun vc-git--symbolic-ref (file)
+ (or
+ (vc-file-getprop file 'vc-git-symbolic-ref)
+ (let* (process-file-side-effects
+ (str (vc-git--run-command-string nil "symbolic-ref" "HEAD")))
+ (vc-file-setprop file 'vc-git-symbolic-ref
+ (if str
+ (if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
+ (match-string 2 str)
+ str))))))
(defun vc-git-mode-line-string (file)
"Return a string for `vc-mode-line' to put in the mode line for FILE."
(let* ((rev (vc-working-revision file))
- (detached (vc-file-getprop file 'vc-git-detached))
+ (disp-rev (or (vc-git--symbolic-ref file)
+ (substring rev 0 7)))
(def-ml (vc-default-mode-line-string 'Git file))
- (help-echo (get-text-property 0 'help-echo def-ml)))
- (propertize (if detached
- (substring def-ml 0 (- 7 (length rev)))
- def-ml)
+ (help-echo (get-text-property 0 'help-echo def-ml))
+ (face (get-text-property 0 'face def-ml)))
+ (propertize (replace-regexp-in-string (concat rev "\\'") disp-rev def-ml t t)
+ 'face face
'help-echo (concat help-echo "\nCurrent revision: " rev))))
(cl-defstruct (vc-git-extra-fileinfo
"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))
(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
(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")