mirror of
https://git.savannah.gnu.org/git/emacs.git
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02da65ff3a
* lisp/vc/vc-git.el (vc-git-program): New option. (vc-git-branches, vc-git-pull, vc-git-merge-branch, vc-git-command) (vc-git--call): Use it.
1142 lines
42 KiB
EmacsLisp
1142 lines
42 KiB
EmacsLisp
;;; vc-git.el --- VC backend for the git version control system
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;; Copyright (C) 2006-2011 Free Software Foundation, Inc.
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;; Author: Alexandre Julliard <julliard@winehq.org>
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;; Keywords: vc tools
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;; Package: vc
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file contains a VC backend for the git version control
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;; system.
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;;
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;;; Installation:
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;; To install: put this file on the load-path and add Git to the list
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;; of supported backends in `vc-handled-backends'; the following line,
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;; placed in your ~/.emacs, will accomplish this:
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;;
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;; (add-to-list 'vc-handled-backends 'Git)
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;;; Todo:
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;; - check if more functions could use vc-git-command instead
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;; of start-process.
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;; - changelog generation
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;; Implement the rest of the vc interface. See the comment at the
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;; beginning of vc.el. The current status is:
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;; ("??" means: "figure out what to do about it")
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;;
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;; FUNCTION NAME STATUS
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;; BACKEND PROPERTIES
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;; * revision-granularity OK
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;; STATE-QUERYING FUNCTIONS
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;; * registered (file) OK
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;; * state (file) OK
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;; - state-heuristic (file) NOT NEEDED
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;; * working-revision (file) OK
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;; - latest-on-branch-p (file) NOT NEEDED
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;; * checkout-model (files) OK
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;; - workfile-unchanged-p (file) OK
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;; - mode-line-string (file) OK
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;; STATE-CHANGING FUNCTIONS
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;; * create-repo () OK
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;; * register (files &optional rev comment) OK
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;; - init-revision (file) NOT NEEDED
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;; - responsible-p (file) OK
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;; - could-register (file) NOT NEEDED, DEFAULT IS GOOD
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;; - receive-file (file rev) NOT NEEDED
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;; - unregister (file) OK
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;; * checkin (files rev comment) OK
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;; * find-revision (file rev buffer) OK
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;; * checkout (file &optional editable rev) OK
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;; * revert (file &optional contents-done) OK
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;; - rollback (files) COULD BE SUPPORTED
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;; - merge (file rev1 rev2) It would be possible to merge
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;; changes into a single file, but
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;; when committing they wouldn't
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;; be identified as a merge
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;; by git, so it's probably
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;; not a good idea.
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;; - merge-news (file) see `merge'
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;; - steal-lock (file &optional revision) NOT NEEDED
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;; HISTORY FUNCTIONS
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;; * print-log (files buffer &optional shortlog start-revision limit) OK
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;; - log-view-mode () OK
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;; - show-log-entry (revision) OK
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;; - comment-history (file) ??
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;; - update-changelog (files) COULD BE SUPPORTED
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;; * diff (file &optional rev1 rev2 buffer) OK
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;; - revision-completion-table (files) OK
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;; - annotate-command (file buf &optional rev) OK
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;; - annotate-time () OK
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;; - annotate-current-time () NOT NEEDED
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;; - annotate-extract-revision-at-line () OK
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;; TAG SYSTEM
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;; - create-tag (dir name branchp) OK
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;; - retrieve-tag (dir name update) OK
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;; MISCELLANEOUS
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;; - make-version-backups-p (file) NOT NEEDED
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;; - repository-hostname (dirname) NOT NEEDED
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;; - previous-revision (file rev) OK
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;; - next-revision (file rev) OK
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;; - check-headers () COULD BE SUPPORTED
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;; - clear-headers () NOT NEEDED
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;; - delete-file (file) OK
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;; - rename-file (old new) OK
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;; - find-file-hook () NOT NEEDED
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(eval-when-compile
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(require 'cl)
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(require 'vc)
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(require 'vc-dir)
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(require 'grep))
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(defcustom vc-git-diff-switches t
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"String or list of strings specifying switches for Git diff under VC.
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If nil, use the value of `vc-diff-switches'. If t, use no switches."
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:type '(choice (const :tag "Unspecified" nil)
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(const :tag "None" t)
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(string :tag "Argument String")
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(repeat :tag "Argument List" :value ("") string))
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:version "23.1"
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:group 'vc)
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(defcustom vc-git-program "git"
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"Name of the Git executable (excluding any arguments)."
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:version "24.1"
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:type 'string
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:group 'vc)
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(defcustom vc-git-root-log-format
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'("%d%h..: %an %ad %s"
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;; The first shy group matches the characters drawn by --graph.
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;; We use numbered groups because `log-view-message-re' wants the
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;; revision number to be group 1.
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"^\\(?:[*/\\| ]+ \\)?\\(?2: ([^)]+)\\)?\\(?1:[0-9a-z]+\\)..: \
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\\(?3:.*?\\)[ \t]+\\(?4:[0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}\\)"
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((1 'log-view-message-face)
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(2 'change-log-list nil lax)
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(3 'change-log-name)
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(4 'change-log-date)))
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"Git log format for `vc-print-root-log'.
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This should be a list (FORMAT REGEXP KEYWORDS), where FORMAT is a
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format string (which is passed to \"git log\" via the argument
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\"--pretty=tformat:FORMAT\"), REGEXP is a regular expression
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matching the resulting Git log output, and KEYWORDS is a list of
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`font-lock-keywords' for highlighting the Log View buffer."
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:type '(list string string (repeat sexp))
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:group 'vc
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:version "24.1")
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(defvar vc-git-commits-coding-system 'utf-8
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"Default coding system for git commits.")
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;; History of Git commands.
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(defvar vc-git-history nil)
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;;; BACKEND PROPERTIES
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(defun vc-git-revision-granularity () 'repository)
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(defun vc-git-checkout-model (files) 'implicit)
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;;; STATE-QUERYING FUNCTIONS
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;;;###autoload (defun vc-git-registered (file)
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;;;###autoload "Return non-nil if FILE is registered with git."
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;;;###autoload (if (vc-find-root file ".git") ; Short cut.
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;;;###autoload (progn
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;;;###autoload (load "vc-git")
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;;;###autoload (vc-git-registered file))))
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(defun vc-git-registered (file)
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"Check whether FILE is registered with git."
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(let ((dir (vc-git-root file)))
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(when dir
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(with-temp-buffer
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(let* (process-file-side-effects
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;; Do not use the `file-name-directory' here: git-ls-files
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;; sometimes fails to return the correct status for relative
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;; path specs.
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;; See also: http://marc.info/?l=git&m=125787684318129&w=2
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(name (file-relative-name file dir))
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(str (ignore-errors
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(cd dir)
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(vc-git--out-ok "ls-files" "-c" "-z" "--" name)
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;; If result is empty, use ls-tree to check for deleted
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;; file.
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(when (eq (point-min) (point-max))
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(vc-git--out-ok "ls-tree" "--name-only" "-z" "HEAD"
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"--" name))
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(buffer-string))))
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(and str
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(> (length str) (length name))
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(string= (substring str 0 (1+ (length name)))
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(concat name "\0"))))))))
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(defun vc-git--state-code (code)
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"Convert from a string to a added/deleted/modified state."
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(case (string-to-char code)
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(?M 'edited)
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(?A 'added)
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(?D 'removed)
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(?U 'edited) ;; FIXME
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(?T 'edited))) ;; FIXME
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(defun vc-git-state (file)
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"Git-specific version of `vc-state'."
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;; FIXME: This can't set 'ignored or 'conflict yet
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;; The 'ignored state could be detected with `git ls-files -i -o
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;; --exclude-standard` It also can't set 'needs-update or
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;; 'needs-merge. The rough equivalent would be that upstream branch
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;; for current branch is in fast-forward state i.e. current branch
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;; is direct ancestor of corresponding upstream branch, and the file
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;; was modified upstream. But we can't check that without a network
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;; operation.
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(if (not (vc-git-registered file))
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'unregistered
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(vc-git--call nil "add" "--refresh" "--" (file-relative-name file))
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(let ((diff (vc-git--run-command-string
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file "diff-index" "-z" "HEAD" "--")))
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(if (and diff (string-match ":[0-7]\\{6\\} [0-7]\\{6\\} [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\([ADMUT]\\)\0[^\0]+\0"
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diff))
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(vc-git--state-code (match-string 1 diff))
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(if (vc-git--empty-db-p) 'added 'up-to-date)))))
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(defun vc-git-working-revision (file)
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"Git-specific version of `vc-working-revision'."
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(let* (process-file-side-effects
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(str (with-output-to-string
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(with-current-buffer standard-output
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(vc-git--out-ok "symbolic-ref" "HEAD")))))
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(if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
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(match-string 2 str)
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str)))
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(defun vc-git-workfile-unchanged-p (file)
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(eq 'up-to-date (vc-git-state file)))
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(defun vc-git-mode-line-string (file)
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"Return string for placement into the modeline for FILE."
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(let* ((branch (vc-git-working-revision file))
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(def-ml (vc-default-mode-line-string 'Git file))
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(help-echo (get-text-property 0 'help-echo def-ml)))
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(if (zerop (length branch))
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(propertize
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(concat def-ml "!")
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'help-echo (concat help-echo "\nNo current branch (detached HEAD)"))
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(propertize def-ml
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'help-echo (concat help-echo "\nCurrent branch: " branch)))))
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(defstruct (vc-git-extra-fileinfo
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(:copier nil)
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(:constructor vc-git-create-extra-fileinfo
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(old-perm new-perm &optional rename-state orig-name))
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(:conc-name vc-git-extra-fileinfo->))
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old-perm new-perm ;; Permission flags.
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rename-state ;; Rename or copy state.
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orig-name) ;; Original name for renames or copies.
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(defun vc-git-escape-file-name (name)
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"Escape a file name if necessary."
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(if (string-match "[\n\t\"\\]" name)
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(concat "\""
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(mapconcat (lambda (c)
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(case c
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(?\n "\\n")
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(?\t "\\t")
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(?\\ "\\\\")
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(?\" "\\\"")
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(t (char-to-string c))))
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name "")
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"\"")
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name))
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(defun vc-git-file-type-as-string (old-perm new-perm)
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"Return a string describing the file type based on its permissions."
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(let* ((old-type (lsh (or old-perm 0) -9))
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(new-type (lsh (or new-perm 0) -9))
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(str (case new-type
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(?\100 ;; File.
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(case old-type
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(?\100 nil)
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(?\120 " (type change symlink -> file)")
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(?\160 " (type change subproject -> file)")))
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(?\120 ;; Symlink.
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(case old-type
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(?\100 " (type change file -> symlink)")
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(?\160 " (type change subproject -> symlink)")
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(t " (symlink)")))
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(?\160 ;; Subproject.
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(case old-type
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(?\100 " (type change file -> subproject)")
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(?\120 " (type change symlink -> subproject)")
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(t " (subproject)")))
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(?\110 nil) ;; Directory (internal, not a real git state).
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(?\000 ;; Deleted or unknown.
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(case old-type
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(?\120 " (symlink)")
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(?\160 " (subproject)")))
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(t (format " (unknown type %o)" new-type)))))
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(cond (str (propertize str 'face 'font-lock-comment-face))
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((eq new-type ?\110) "/")
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(t ""))))
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(defun vc-git-rename-as-string (state extra)
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"Return a string describing the copy or rename associated with INFO,
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or an empty string if none."
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(let ((rename-state (when extra
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(vc-git-extra-fileinfo->rename-state extra))))
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(if rename-state
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(propertize
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(concat " ("
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(if (eq rename-state 'copy) "copied from "
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(if (eq state 'added) "renamed from "
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"renamed to "))
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(vc-git-escape-file-name
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(vc-git-extra-fileinfo->orig-name extra))
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")")
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'face 'font-lock-comment-face)
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"")))
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(defun vc-git-permissions-as-string (old-perm new-perm)
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"Format a permission change as string."
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(propertize
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(if (or (not old-perm)
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(not new-perm)
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(eq 0 (logand ?\111 (logxor old-perm new-perm))))
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" "
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(if (eq 0 (logand ?\111 old-perm)) "+x" "-x"))
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'face 'font-lock-type-face))
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(defun vc-git-dir-printer (info)
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"Pretty-printer for the vc-dir-fileinfo structure."
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(let* ((isdir (vc-dir-fileinfo->directory info))
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(state (if isdir "" (vc-dir-fileinfo->state info)))
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(extra (vc-dir-fileinfo->extra info))
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(old-perm (when extra (vc-git-extra-fileinfo->old-perm extra)))
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(new-perm (when extra (vc-git-extra-fileinfo->new-perm extra))))
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(insert
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" "
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(propertize (format "%c" (if (vc-dir-fileinfo->marked info) ?* ? ))
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'face 'font-lock-type-face)
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" "
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(propertize
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(format "%-12s" state)
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'face (cond ((eq state 'up-to-date) 'font-lock-builtin-face)
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((eq state 'missing) 'font-lock-warning-face)
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(t 'font-lock-variable-name-face))
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'mouse-face 'highlight)
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" " (vc-git-permissions-as-string old-perm new-perm)
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" "
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(propertize (vc-git-escape-file-name (vc-dir-fileinfo->name info))
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'face (if isdir 'font-lock-comment-delimiter-face
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'font-lock-function-name-face)
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'help-echo
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(if isdir
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"Directory\nVC operations can be applied to it\nmouse-3: Pop-up menu"
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"File\nmouse-3: Pop-up menu")
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'keymap vc-dir-filename-mouse-map
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'mouse-face 'highlight)
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(vc-git-file-type-as-string old-perm new-perm)
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(vc-git-rename-as-string state extra))))
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(defun vc-git-after-dir-status-stage (stage files update-function)
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"Process sentinel for the various dir-status stages."
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(let (next-stage result)
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(goto-char (point-min))
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(case stage
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(update-index
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(setq next-stage (if (vc-git--empty-db-p) 'ls-files-added
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(if files 'ls-files-up-to-date 'diff-index))))
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(ls-files-added
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(setq next-stage 'ls-files-unknown)
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(while (re-search-forward "\\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} 0\t\\([^\0]+\\)\0" nil t)
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(let ((new-perm (string-to-number (match-string 1) 8))
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(name (match-string 2)))
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(push (list name 'added (vc-git-create-extra-fileinfo 0 new-perm))
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result))))
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(ls-files-up-to-date
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(setq next-stage 'diff-index)
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(while (re-search-forward "\\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} 0\t\\([^\0]+\\)\0" nil t)
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(let ((perm (string-to-number (match-string 1) 8))
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(name (match-string 2)))
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(push (list name 'up-to-date
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(vc-git-create-extra-fileinfo perm perm))
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result))))
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(ls-files-unknown
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(when files (setq next-stage 'ls-files-ignored))
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(while (re-search-forward "\\([^\0]*?\\)\0" nil t 1)
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(push (list (match-string 1) 'unregistered
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(vc-git-create-extra-fileinfo 0 0))
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result)))
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(ls-files-ignored
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(while (re-search-forward "\\([^\0]*?\\)\0" nil t 1)
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(push (list (match-string 1) 'ignored
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(vc-git-create-extra-fileinfo 0 0))
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result)))
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(diff-index
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(setq next-stage 'ls-files-unknown)
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(while (re-search-forward
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":\\([0-7]\\{6\\}\\) \\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\(\\([ADMUT]\\)\0\\([^\0]+\\)\\|\\([CR]\\)[0-9]*\0\\([^\0]+\\)\0\\([^\0]+\\)\\)\0"
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nil t 1)
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(let ((old-perm (string-to-number (match-string 1) 8))
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(new-perm (string-to-number (match-string 2) 8))
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(state (or (match-string 4) (match-string 6)))
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(name (or (match-string 5) (match-string 7)))
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(new-name (match-string 8)))
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(if new-name ; Copy or rename.
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(if (eq ?C (string-to-char state))
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(push (list new-name 'added
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(vc-git-create-extra-fileinfo old-perm new-perm
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'copy name))
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result)
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(push (list name 'removed
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(vc-git-create-extra-fileinfo 0 0
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'rename new-name))
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||
result)
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(push (list new-name 'added
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||
(vc-git-create-extra-fileinfo old-perm new-perm
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'rename name))
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result))
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(push (list name (vc-git--state-code state)
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(vc-git-create-extra-fileinfo old-perm new-perm))
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result))))))
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(when result
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||
(setq result (nreverse result))
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(when files
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(dolist (entry result) (setq files (delete (car entry) files)))
|
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(unless files (setq next-stage nil))))
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(when (or result (not next-stage))
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(funcall update-function result next-stage))
|
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(when next-stage
|
||
(vc-git-dir-status-goto-stage next-stage files update-function))))
|
||
|
||
(defun vc-git-dir-status-goto-stage (stage files update-function)
|
||
(erase-buffer)
|
||
(case stage
|
||
(update-index
|
||
(if files
|
||
(vc-git-command (current-buffer) 'async files "add" "--refresh" "--")
|
||
(vc-git-command (current-buffer) 'async nil
|
||
"update-index" "--refresh")))
|
||
(ls-files-added
|
||
(vc-git-command (current-buffer) 'async files
|
||
"ls-files" "-z" "-c" "-s" "--"))
|
||
(ls-files-up-to-date
|
||
(vc-git-command (current-buffer) 'async files
|
||
"ls-files" "-z" "-c" "-s" "--"))
|
||
(ls-files-unknown
|
||
(vc-git-command (current-buffer) 'async files
|
||
"ls-files" "-z" "-o" "--directory"
|
||
"--no-empty-directory" "--exclude-standard" "--"))
|
||
(ls-files-ignored
|
||
(vc-git-command (current-buffer) 'async files
|
||
"ls-files" "-z" "-o" "-i" "--directory"
|
||
"--no-empty-directory" "--exclude-standard" "--"))
|
||
;; --relative added in Git 1.5.5.
|
||
(diff-index
|
||
(vc-git-command (current-buffer) 'async files
|
||
"diff-index" "--relative" "-z" "-M" "HEAD" "--")))
|
||
(vc-exec-after
|
||
`(vc-git-after-dir-status-stage ',stage ',files ',update-function)))
|
||
|
||
(defun vc-git-dir-status (dir update-function)
|
||
"Return a list of (FILE STATE EXTRA) entries for DIR."
|
||
;; Further things that would have to be fixed later:
|
||
;; - how to handle unregistered directories
|
||
;; - how to support vc-dir on a subdir of the project tree
|
||
(vc-git-dir-status-goto-stage 'update-index nil update-function))
|
||
|
||
(defun vc-git-dir-status-files (dir files default-state update-function)
|
||
"Return a list of (FILE STATE EXTRA) entries for FILES in DIR."
|
||
(vc-git-dir-status-goto-stage 'update-index files update-function))
|
||
|
||
(defvar vc-git-stash-map
|
||
(let ((map (make-sparse-keymap)))
|
||
;; Turn off vc-dir marking
|
||
(define-key map [mouse-2] 'ignore)
|
||
|
||
(define-key map [down-mouse-3] 'vc-git-stash-menu)
|
||
(define-key map "\C-k" 'vc-git-stash-delete-at-point)
|
||
(define-key map "=" 'vc-git-stash-show-at-point)
|
||
(define-key map "\C-m" 'vc-git-stash-show-at-point)
|
||
(define-key map "A" 'vc-git-stash-apply-at-point)
|
||
(define-key map "P" 'vc-git-stash-pop-at-point)
|
||
(define-key map "S" 'vc-git-stash-snapshot)
|
||
map))
|
||
|
||
(defvar vc-git-stash-menu-map
|
||
(let ((map (make-sparse-keymap "Git Stash")))
|
||
(define-key map [de]
|
||
'(menu-item "Delete stash" vc-git-stash-delete-at-point
|
||
:help "Delete the current stash"))
|
||
(define-key map [ap]
|
||
'(menu-item "Apply stash" vc-git-stash-apply-at-point
|
||
:help "Apply the current stash and keep it in the stash list"))
|
||
(define-key map [po]
|
||
'(menu-item "Apply and remove stash (pop)" vc-git-stash-pop-at-point
|
||
:help "Apply the current stash and remove it"))
|
||
(define-key map [sh]
|
||
'(menu-item "Show stash" vc-git-stash-show-at-point
|
||
:help "Show the contents of the current stash"))
|
||
map))
|
||
|
||
(defun vc-git-dir-extra-headers (dir)
|
||
(let ((str (with-output-to-string
|
||
(with-current-buffer standard-output
|
||
(vc-git--out-ok "symbolic-ref" "HEAD"))))
|
||
(stash (vc-git-stash-list))
|
||
(stash-help-echo "Use M-x vc-git-stash to create stashes.")
|
||
branch remote remote-url)
|
||
(if (string-match "^\\(refs/heads/\\)?\\(.+\\)$" str)
|
||
(progn
|
||
(setq branch (match-string 2 str))
|
||
(setq remote
|
||
(with-output-to-string
|
||
(with-current-buffer standard-output
|
||
(vc-git--out-ok "config"
|
||
(concat "branch." branch ".remote")))))
|
||
(when (string-match "\\([^\n]+\\)" remote)
|
||
(setq remote (match-string 1 remote)))
|
||
(when remote
|
||
(setq remote-url
|
||
(with-output-to-string
|
||
(with-current-buffer standard-output
|
||
(vc-git--out-ok "config"
|
||
(concat "remote." remote ".url"))))))
|
||
(when (string-match "\\([^\n]+\\)" remote-url)
|
||
(setq remote-url (match-string 1 remote-url))))
|
||
(setq branch "not (detached HEAD)"))
|
||
;; FIXME: maybe use a different face when nothing is stashed.
|
||
(concat
|
||
(propertize "Branch : " 'face 'font-lock-type-face)
|
||
(propertize branch
|
||
'face 'font-lock-variable-name-face)
|
||
(when remote
|
||
(concat
|
||
"\n"
|
||
(propertize "Remote : " 'face 'font-lock-type-face)
|
||
(propertize remote-url
|
||
'face 'font-lock-variable-name-face)))
|
||
"\n"
|
||
(if stash
|
||
(concat
|
||
(propertize "Stash :\n" 'face 'font-lock-type-face
|
||
'help-echo stash-help-echo)
|
||
(mapconcat
|
||
(lambda (x)
|
||
(propertize x
|
||
'face 'font-lock-variable-name-face
|
||
'mouse-face 'highlight
|
||
'help-echo "mouse-3: Show stash menu\nRET: Show stash\nA: Apply stash\nP: Apply and remove stash (pop)\nC-k: Delete stash"
|
||
'keymap vc-git-stash-map))
|
||
stash "\n"))
|
||
(concat
|
||
(propertize "Stash : " 'face 'font-lock-type-face
|
||
'help-echo stash-help-echo)
|
||
(propertize "Nothing stashed"
|
||
'help-echo stash-help-echo
|
||
'face 'font-lock-variable-name-face))))))
|
||
|
||
(defun vc-git-branches ()
|
||
"Return the existing branches, as a list of strings.
|
||
The car of the list is the current branch."
|
||
(with-temp-buffer
|
||
(call-process vc-git-program nil t nil "branch")
|
||
(goto-char (point-min))
|
||
(let (current-branch branches)
|
||
(while (not (eobp))
|
||
(when (looking-at "^\\([ *]\\) \\(.+\\)$")
|
||
(if (string-equal (match-string 1) "*")
|
||
(setq current-branch (match-string 2))
|
||
(push (match-string 2) branches)))
|
||
(forward-line 1))
|
||
(cons current-branch (nreverse branches)))))
|
||
|
||
;;; STATE-CHANGING FUNCTIONS
|
||
|
||
(defun vc-git-create-repo ()
|
||
"Create a new Git repository."
|
||
(vc-git-command nil 0 nil "init"))
|
||
|
||
(defun vc-git-register (files &optional rev comment)
|
||
"Register FILES into the git version-control system."
|
||
(let (flist dlist)
|
||
(dolist (crt files)
|
||
(if (file-directory-p crt)
|
||
(push crt dlist)
|
||
(push crt flist)))
|
||
(when flist
|
||
(vc-git-command nil 0 flist "update-index" "--add" "--"))
|
||
(when dlist
|
||
(vc-git-command nil 0 dlist "add"))))
|
||
|
||
(defalias 'vc-git-responsible-p 'vc-git-root)
|
||
|
||
(defun vc-git-unregister (file)
|
||
(vc-git-command nil 0 file "rm" "-f" "--cached" "--"))
|
||
|
||
(declare-function log-edit-extract-headers "log-edit" (headers string))
|
||
|
||
(defun vc-git-checkin (files rev comment)
|
||
(let ((coding-system-for-write vc-git-commits-coding-system))
|
||
(apply 'vc-git-command nil 0 files
|
||
(nconc (list "commit" "-m")
|
||
(log-edit-extract-headers '(("Author" . "--author")
|
||
("Date" . "--date"))
|
||
comment)
|
||
(list "--only" "--")))))
|
||
|
||
(defun vc-git-find-revision (file rev buffer)
|
||
(let* (process-file-side-effects
|
||
(coding-system-for-read 'binary)
|
||
(coding-system-for-write 'binary)
|
||
(fullname
|
||
(let ((fn (vc-git--run-command-string
|
||
file "ls-files" "-z" "--full-name" "--")))
|
||
;; ls-files does not return anything when looking for a
|
||
;; revision of a file that has been renamed or removed.
|
||
(if (string= fn "")
|
||
(file-relative-name file (vc-git-root default-directory))
|
||
(substring fn 0 -1)))))
|
||
(vc-git-command
|
||
buffer 0
|
||
nil
|
||
"cat-file" "blob" (concat (if rev rev "HEAD") ":" fullname))))
|
||
|
||
(defun vc-git-checkout (file &optional editable rev)
|
||
(vc-git-command nil 0 file "checkout" (or rev "HEAD")))
|
||
|
||
(defun vc-git-revert (file &optional contents-done)
|
||
"Revert FILE to the version stored in the git repository."
|
||
(if contents-done
|
||
(vc-git-command nil 0 file "update-index" "--")
|
||
(vc-git-command nil 0 file "reset" "-q" "--")
|
||
(vc-git-command nil nil file "checkout" "-q" "--")))
|
||
|
||
(defun vc-git-pull (prompt)
|
||
"Pull changes into the current Git branch.
|
||
Normally, this runs \"git pull\". If PROMPT is non-nil, prompt
|
||
for the Git command to run."
|
||
(let* ((root (vc-git-root default-directory))
|
||
(buffer (format "*vc-git : %s*" (expand-file-name root)))
|
||
(command "pull")
|
||
(git-program vc-git-program)
|
||
args)
|
||
;; If necessary, prompt for the exact command.
|
||
(when prompt
|
||
(setq args (split-string
|
||
(read-shell-command "Git pull command: "
|
||
(format "%s pull" git-program)
|
||
'vc-git-history)
|
||
" " t))
|
||
(setq git-program (car args)
|
||
command (cadr args)
|
||
args (cddr args)))
|
||
(apply 'vc-do-async-command buffer root git-program command args)
|
||
(vc-set-async-update buffer)))
|
||
|
||
(defun vc-git-merge-branch ()
|
||
"Merge changes into the current Git branch.
|
||
This prompts for a branch to merge from."
|
||
(let* ((root (vc-git-root default-directory))
|
||
(buffer (format "*vc-git : %s*" (expand-file-name root)))
|
||
(branches (cdr (vc-git-branches)))
|
||
(merge-source
|
||
(completing-read "Merge from branch: "
|
||
(if (or (member "FETCH_HEAD" branches)
|
||
(not (file-readable-p
|
||
(expand-file-name ".git/FETCH_HEAD"
|
||
root))))
|
||
branches
|
||
(cons "FETCH_HEAD" branches))
|
||
nil t)))
|
||
(apply 'vc-do-async-command buffer root vc-git-program "merge"
|
||
(list merge-source))
|
||
(vc-set-async-update buffer)))
|
||
|
||
;;; HISTORY FUNCTIONS
|
||
|
||
(defun vc-git-print-log (files buffer &optional shortlog start-revision limit)
|
||
"Get change log associated with FILES.
|
||
Note that using SHORTLOG requires at least Git version 1.5.6,
|
||
for the --graph option."
|
||
(let ((coding-system-for-read vc-git-commits-coding-system))
|
||
;; `vc-do-command' creates the buffer, but we need it before running
|
||
;; the command.
|
||
(vc-setup-buffer buffer)
|
||
;; If the buffer exists from a previous invocation it might be
|
||
;; read-only.
|
||
(let ((inhibit-read-only t))
|
||
(with-current-buffer
|
||
buffer
|
||
(apply 'vc-git-command buffer
|
||
'async files
|
||
(append
|
||
'("log" "--no-color")
|
||
(when shortlog
|
||
`("--graph" "--decorate" "--date=short"
|
||
,(format "--pretty=tformat:%s"
|
||
(car vc-git-root-log-format))
|
||
"--abbrev-commit"))
|
||
(when limit (list "-n" (format "%s" limit)))
|
||
(when start-revision (list start-revision))
|
||
'("--")))))))
|
||
|
||
(defun vc-git-log-outgoing (buffer remote-location)
|
||
(interactive)
|
||
(vc-git-command
|
||
buffer 0 nil
|
||
"log"
|
||
"--no-color" "--graph" "--decorate" "--date=short"
|
||
(format "--pretty=tformat:%s" (car vc-git-root-log-format))
|
||
"--abbrev-commit"
|
||
(concat (if (string= remote-location "")
|
||
"@{upstream}"
|
||
remote-location)
|
||
"..HEAD")))
|
||
|
||
(defun vc-git-log-incoming (buffer remote-location)
|
||
(interactive)
|
||
(vc-git-command nil 0 nil "fetch")
|
||
(vc-git-command
|
||
buffer 0 nil
|
||
"log"
|
||
"--no-color" "--graph" "--decorate" "--date=short"
|
||
(format "--pretty=tformat:%s" (car vc-git-root-log-format))
|
||
"--abbrev-commit"
|
||
(concat "HEAD.." (if (string= remote-location "")
|
||
"@{upstream}"
|
||
remote-location))))
|
||
|
||
(defvar log-view-message-re)
|
||
(defvar log-view-file-re)
|
||
(defvar log-view-font-lock-keywords)
|
||
(defvar log-view-per-file-logs)
|
||
(defvar log-view-expanded-log-entry-function)
|
||
|
||
(define-derived-mode vc-git-log-view-mode log-view-mode "Git-Log-View"
|
||
(require 'add-log) ;; We need the faces add-log.
|
||
;; Don't have file markers, so use impossible regexp.
|
||
(set (make-local-variable 'log-view-file-re) "\\`a\\`")
|
||
(set (make-local-variable 'log-view-per-file-logs) nil)
|
||
(set (make-local-variable 'log-view-message-re)
|
||
(if (not (eq vc-log-view-type 'long))
|
||
(cadr vc-git-root-log-format)
|
||
"^commit *\\([0-9a-z]+\\)"))
|
||
;; Allow expanding short log entries
|
||
(when (eq vc-log-view-type 'short)
|
||
(setq truncate-lines t)
|
||
(set (make-local-variable 'log-view-expanded-log-entry-function)
|
||
'vc-git-expanded-log-entry))
|
||
(set (make-local-variable 'log-view-font-lock-keywords)
|
||
(if (not (eq vc-log-view-type 'long))
|
||
(list (cons (nth 1 vc-git-root-log-format)
|
||
(nth 2 vc-git-root-log-format)))
|
||
(append
|
||
`((,log-view-message-re (1 'change-log-acknowledgement)))
|
||
;; Handle the case:
|
||
;; user: foo@bar
|
||
'(("^Author:[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
|
||
(1 'change-log-email))
|
||
;; Handle the case:
|
||
;; user: FirstName LastName <foo@bar>
|
||
("^Author:[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
|
||
(1 'change-log-name)
|
||
(2 'change-log-email))
|
||
("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)"
|
||
(1 'change-log-name))
|
||
("^ +\\(?:\\(?:[Aa]cked\\|[Ss]igned-[Oo]ff\\)-[Bb]y:\\)[ \t]+\\([^<(]+?\\)[ \t]*[(<]\\([A-Za-z0-9_.+-]+@[A-Za-z0-9_.-]+\\)[>)]"
|
||
(1 'change-log-name)
|
||
(2 'change-log-email))
|
||
("^Merge: \\([0-9a-z]+\\) \\([0-9a-z]+\\)"
|
||
(1 'change-log-acknowledgement)
|
||
(2 'change-log-acknowledgement))
|
||
("^Date: \\(.+\\)" (1 'change-log-date))
|
||
("^summary:[ \t]+\\(.+\\)" (1 'log-view-message)))))))
|
||
|
||
|
||
(defun vc-git-show-log-entry (revision)
|
||
"Move to the log entry for REVISION.
|
||
REVISION may have the form BRANCH, BRANCH~N,
|
||
or BRANCH^ (where \"^\" can be repeated)."
|
||
(goto-char (point-min))
|
||
(prog1
|
||
(when revision
|
||
(search-forward
|
||
(format "\ncommit %s" revision) nil t
|
||
(cond ((string-match "~\\([0-9]\\)\\'" revision)
|
||
(1+ (string-to-number (match-string 1 revision))))
|
||
((string-match "\\^+\\'" revision)
|
||
(1+ (length (match-string 0 revision))))
|
||
(t nil))))
|
||
(beginning-of-line)))
|
||
|
||
(defun vc-git-expanded-log-entry (revision)
|
||
(with-temp-buffer
|
||
(apply 'vc-git-command t nil nil (list "log" revision "-1"))
|
||
(goto-char (point-min))
|
||
(unless (eobp)
|
||
;; Indent the expanded log entry.
|
||
(indent-region (point-min) (point-max) 2)
|
||
(buffer-string))))
|
||
|
||
(defun vc-git-diff (files &optional rev1 rev2 buffer)
|
||
"Get a difference report using Git between two revisions of FILES."
|
||
(let (process-file-side-effects)
|
||
(apply #'vc-git-command (or buffer "*vc-diff*") 1 files
|
||
(if (and rev1 rev2) "diff-tree" "diff-index")
|
||
"--exit-code"
|
||
(append (vc-switches 'git 'diff)
|
||
(list "-p" (or rev1 "HEAD") rev2 "--")))))
|
||
|
||
(defun vc-git-revision-table (files)
|
||
;; What about `files'?!? --Stef
|
||
(let (process-file-side-effects
|
||
(table (list "HEAD")))
|
||
(with-temp-buffer
|
||
(vc-git-command t nil nil "for-each-ref" "--format=%(refname)")
|
||
(goto-char (point-min))
|
||
(while (re-search-forward "^refs/\\(heads\\|tags\\|remotes\\)/\\(.*\\)$"
|
||
nil t)
|
||
(push (match-string 2) table)))
|
||
table))
|
||
|
||
(defun vc-git-revision-completion-table (files)
|
||
(lexical-let ((files files)
|
||
table)
|
||
(setq table (lazy-completion-table
|
||
table (lambda () (vc-git-revision-table files))))
|
||
table))
|
||
|
||
(defun vc-git-annotate-command (file buf &optional rev)
|
||
(let ((name (file-relative-name file)))
|
||
(vc-git-command buf 'async nil "blame" "--date=iso" "-C" "-C" rev "--" name)))
|
||
|
||
(declare-function vc-annotate-convert-time "vc-annotate" (time))
|
||
|
||
(defun vc-git-annotate-time ()
|
||
(and (re-search-forward "[0-9a-f]+[^()]+(.* \\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\) \\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\) \\([-+0-9]+\\) +[0-9]+) " nil t)
|
||
(vc-annotate-convert-time
|
||
(apply #'encode-time (mapcar (lambda (match)
|
||
(string-to-number (match-string match)))
|
||
'(6 5 4 3 2 1 7))))))
|
||
|
||
(defun vc-git-annotate-extract-revision-at-line ()
|
||
(save-excursion
|
||
(move-beginning-of-line 1)
|
||
(when (looking-at "\\([0-9a-f^][0-9a-f]+\\) \\(\\([^(]+\\) \\)?")
|
||
(let ((revision (match-string-no-properties 1)))
|
||
(if (match-beginning 2)
|
||
(let ((fname (match-string-no-properties 3)))
|
||
;; Remove trailing whitespace from the file name.
|
||
(when (string-match " +\\'" fname)
|
||
(setq fname (substring fname 0 (match-beginning 0))))
|
||
(cons revision
|
||
(expand-file-name fname (vc-git-root default-directory))))
|
||
revision)))))
|
||
|
||
;;; TAG SYSTEM
|
||
|
||
(defun vc-git-create-tag (dir name branchp)
|
||
(let ((default-directory dir))
|
||
(and (vc-git-command nil 0 nil "update-index" "--refresh")
|
||
(if branchp
|
||
(vc-git-command nil 0 nil "checkout" "-b" name)
|
||
(vc-git-command nil 0 nil "tag" name)))))
|
||
|
||
(defun vc-git-retrieve-tag (dir name update)
|
||
(let ((default-directory dir))
|
||
(vc-git-command nil 0 nil "checkout" name)
|
||
;; FIXME: update buffers if `update' is true
|
||
))
|
||
|
||
|
||
;;; MISCELLANEOUS
|
||
|
||
(defun vc-git-previous-revision (file rev)
|
||
"Git-specific version of `vc-previous-revision'."
|
||
(if file
|
||
(let* ((fname (file-relative-name file))
|
||
(prev-rev (with-temp-buffer
|
||
(and
|
||
(vc-git--out-ok "rev-list" "-2" rev "--" fname)
|
||
(goto-char (point-max))
|
||
(bolp)
|
||
(zerop (forward-line -1))
|
||
(not (bobp))
|
||
(buffer-substring-no-properties
|
||
(point)
|
||
(1- (point-max)))))))
|
||
(or (vc-git-symbolic-commit prev-rev) prev-rev))
|
||
(with-temp-buffer
|
||
(and
|
||
(vc-git--out-ok "rev-parse" (concat rev "^"))
|
||
(buffer-substring-no-properties (point-min) (+ (point-min) 40))))))
|
||
|
||
(defun vc-git-next-revision (file rev)
|
||
"Git-specific version of `vc-next-revision'."
|
||
(let* ((default-directory (file-name-directory
|
||
(expand-file-name file)))
|
||
(file (file-name-nondirectory file))
|
||
(current-rev
|
||
(with-temp-buffer
|
||
(and
|
||
(vc-git--out-ok "rev-list" "-1" rev "--" file)
|
||
(goto-char (point-max))
|
||
(bolp)
|
||
(zerop (forward-line -1))
|
||
(bobp)
|
||
(buffer-substring-no-properties
|
||
(point)
|
||
(1- (point-max))))))
|
||
(next-rev
|
||
(and current-rev
|
||
(with-temp-buffer
|
||
(and
|
||
(vc-git--out-ok "rev-list" "HEAD" "--" file)
|
||
(goto-char (point-min))
|
||
(search-forward current-rev nil t)
|
||
(zerop (forward-line -1))
|
||
(buffer-substring-no-properties
|
||
(point)
|
||
(progn (forward-line 1) (1- (point)))))))))
|
||
(or (vc-git-symbolic-commit next-rev) next-rev)))
|
||
|
||
(defun vc-git-delete-file (file)
|
||
(vc-git-command nil 0 file "rm" "-f" "--"))
|
||
|
||
(defun vc-git-rename-file (old new)
|
||
(vc-git-command nil 0 (list old new) "mv" "-f" "--"))
|
||
|
||
(defvar vc-git-extra-menu-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map [git-grep]
|
||
'(menu-item "Git grep..." vc-git-grep
|
||
:help "Run the `git grep' command"))
|
||
(define-key map [git-sn]
|
||
'(menu-item "Stash a snapshot" vc-git-stash-snapshot
|
||
:help "Stash the current state of the tree and keep the current state"))
|
||
(define-key map [git-st]
|
||
'(menu-item "Create Stash..." vc-git-stash
|
||
:help "Stash away changes"))
|
||
(define-key map [git-ss]
|
||
'(menu-item "Show Stash..." vc-git-stash-show
|
||
:help "Show stash contents"))
|
||
map))
|
||
|
||
(defun vc-git-extra-menu () vc-git-extra-menu-map)
|
||
|
||
(defun vc-git-extra-status-menu () vc-git-extra-menu-map)
|
||
|
||
(defun vc-git-root (file)
|
||
(vc-find-root file ".git"))
|
||
|
||
;; Derived from `lgrep'.
|
||
(defun vc-git-grep (regexp &optional files dir)
|
||
"Run git grep, searching for REGEXP in FILES in directory DIR.
|
||
The search is limited to file names matching shell pattern FILES.
|
||
FILES may use abbreviations defined in `grep-files-aliases', e.g.
|
||
entering `ch' is equivalent to `*.[ch]'.
|
||
|
||
With \\[universal-argument] prefix, you can edit the constructed shell command line
|
||
before it is executed.
|
||
With two \\[universal-argument] prefixes, directly edit and run `grep-command'.
|
||
|
||
Collect output in a buffer. While git grep runs asynchronously, you
|
||
can use \\[next-error] (M-x next-error), or \\<grep-mode-map>\\[compile-goto-error] \
|
||
in the grep output buffer,
|
||
to go to the lines where grep found matches.
|
||
|
||
This command shares argument histories with \\[rgrep] and \\[grep]."
|
||
(interactive
|
||
(progn
|
||
(grep-compute-defaults)
|
||
(cond
|
||
((equal current-prefix-arg '(16))
|
||
(list (read-from-minibuffer "Run: " "git grep"
|
||
nil nil 'grep-history)
|
||
nil))
|
||
(t (let* ((regexp (grep-read-regexp))
|
||
(files (grep-read-files regexp))
|
||
(dir (read-directory-name "In directory: "
|
||
nil default-directory t)))
|
||
(list regexp files dir))))))
|
||
(require 'grep)
|
||
(when (and (stringp regexp) (> (length regexp) 0))
|
||
(let ((command regexp))
|
||
(if (null files)
|
||
(if (string= command "git grep")
|
||
(setq command nil))
|
||
(setq dir (file-name-as-directory (expand-file-name dir)))
|
||
(setq command
|
||
(grep-expand-template "git grep -n -e <R> -- <F>" regexp files))
|
||
(when command
|
||
(if (equal current-prefix-arg '(4))
|
||
(setq command
|
||
(read-from-minibuffer "Confirm: "
|
||
command nil nil 'grep-history))
|
||
(add-to-history 'grep-history command))))
|
||
(when command
|
||
(let ((default-directory dir)
|
||
(compilation-environment '("PAGER=")))
|
||
;; Setting process-setup-function makes exit-message-function work
|
||
;; even when async processes aren't supported.
|
||
(compilation-start command 'grep-mode))
|
||
(if (eq next-error-last-buffer (current-buffer))
|
||
(setq default-directory dir))))))
|
||
|
||
(defun vc-git-stash (name)
|
||
"Create a stash."
|
||
(interactive "sStash name: ")
|
||
(let ((root (vc-git-root default-directory)))
|
||
(when root
|
||
(vc-git--call nil "stash" "save" name)
|
||
(vc-resynch-buffer root t t))))
|
||
|
||
(defun vc-git-stash-show (name)
|
||
"Show the contents of stash NAME."
|
||
(interactive "sStash name: ")
|
||
(vc-setup-buffer "*vc-git-stash*")
|
||
(vc-git-command "*vc-git-stash*" 'async nil "stash" "show" "-p" name)
|
||
(set-buffer "*vc-git-stash*")
|
||
(diff-mode)
|
||
(setq buffer-read-only t)
|
||
(pop-to-buffer (current-buffer)))
|
||
|
||
(defun vc-git-stash-apply (name)
|
||
"Apply stash NAME."
|
||
(interactive "sApply stash: ")
|
||
(vc-git-command "*vc-git-stash*" 0 nil "stash" "apply" "-q" name)
|
||
(vc-resynch-buffer (vc-git-root default-directory) t t))
|
||
|
||
(defun vc-git-stash-pop (name)
|
||
"Pop stash NAME."
|
||
(interactive "sPop stash: ")
|
||
(vc-git-command "*vc-git-stash*" 0 nil "stash" "pop" "-q" name)
|
||
(vc-resynch-buffer (vc-git-root default-directory) t t))
|
||
|
||
(defun vc-git-stash-snapshot ()
|
||
"Create a stash with the current tree state."
|
||
(interactive)
|
||
(vc-git--call nil "stash" "save"
|
||
(let ((ct (current-time)))
|
||
(concat
|
||
(format-time-string "Snapshot on %Y-%m-%d" ct)
|
||
(format-time-string " at %H:%M" ct))))
|
||
(vc-git-command "*vc-git-stash*" 0 nil "stash" "apply" "-q" "stash@{0}")
|
||
(vc-resynch-buffer (vc-git-root default-directory) t t))
|
||
|
||
(defun vc-git-stash-list ()
|
||
(delete
|
||
""
|
||
(split-string
|
||
(replace-regexp-in-string
|
||
"^stash@" " " (vc-git--run-command-string nil "stash" "list"))
|
||
"\n")))
|
||
|
||
(defun vc-git-stash-get-at-point (point)
|
||
(save-excursion
|
||
(goto-char point)
|
||
(beginning-of-line)
|
||
(if (looking-at "^ +\\({[0-9]+}\\):")
|
||
(match-string 1)
|
||
(error "Cannot find stash at point"))))
|
||
|
||
(defun vc-git-stash-delete-at-point ()
|
||
(interactive)
|
||
(let ((stash (vc-git-stash-get-at-point (point))))
|
||
(when (y-or-n-p (format "Remove stash %s ? " stash))
|
||
(vc-git--run-command-string nil "stash" "drop" (format "stash@%s" stash))
|
||
(vc-dir-refresh))))
|
||
|
||
(defun vc-git-stash-show-at-point ()
|
||
(interactive)
|
||
(vc-git-stash-show (format "stash@%s" (vc-git-stash-get-at-point (point)))))
|
||
|
||
(defun vc-git-stash-apply-at-point ()
|
||
(interactive)
|
||
(vc-git-stash-apply (format "stash@%s" (vc-git-stash-get-at-point (point)))))
|
||
|
||
(defun vc-git-stash-pop-at-point ()
|
||
(interactive)
|
||
(vc-git-stash-pop (format "stash@%s" (vc-git-stash-get-at-point (point)))))
|
||
|
||
(defun vc-git-stash-menu (e)
|
||
(interactive "e")
|
||
(vc-dir-at-event e (popup-menu vc-git-stash-menu-map e)))
|
||
|
||
|
||
;;; Internal commands
|
||
|
||
(defun vc-git-command (buffer okstatus file-or-list &rest flags)
|
||
"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'."
|
||
(apply 'vc-do-command (or buffer "*vc*") okstatus vc-git-program
|
||
file-or-list flags))
|
||
|
||
(defun vc-git--empty-db-p ()
|
||
"Check if the git db is empty (no commit done yet)."
|
||
(let (process-file-side-effects)
|
||
(not (eq 0 (vc-git--call nil "rev-parse" "--verify" "HEAD")))))
|
||
|
||
(defun vc-git--call (buffer command &rest args)
|
||
;; We don't need to care the arguments. If there is a file name, it
|
||
;; is always a relative one. This works also for remote
|
||
;; directories.
|
||
(apply 'process-file vc-git-program nil buffer nil command args))
|
||
|
||
(defun vc-git--out-ok (command &rest args)
|
||
(zerop (apply 'vc-git--call '(t nil) command args)))
|
||
|
||
(defun vc-git--run-command-string (file &rest args)
|
||
"Run a git command on FILE and return its output as string.
|
||
FILE can be nil."
|
||
(let* ((ok t)
|
||
(str (with-output-to-string
|
||
(with-current-buffer standard-output
|
||
(unless (apply 'vc-git--out-ok
|
||
(if file
|
||
(append args (list (file-relative-name
|
||
file)))
|
||
args))
|
||
(setq ok nil))))))
|
||
(and ok str)))
|
||
|
||
(defun vc-git-symbolic-commit (commit)
|
||
"Translate COMMIT string into symbolic form.
|
||
Returns nil if not possible."
|
||
(and commit
|
||
(let ((name (with-temp-buffer
|
||
(and
|
||
(vc-git--out-ok "name-rev" "--name-only" commit)
|
||
(goto-char (point-min))
|
||
(= (forward-line 2) 1)
|
||
(bolp)
|
||
(buffer-substring-no-properties (point-min)
|
||
(1- (point-max)))))))
|
||
(and name (not (string= name "undefined")) name))))
|
||
|
||
(provide 'vc-git)
|
||
|
||
;;; vc-git.el ends here
|