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14b4f2dbd1
If not otherwise specified, take the default coding system for commits from the 'i18n.commitencoding' repository configuration value. Also set the buffer-file-coding-system variable in the log buffer to make the selected coding system visible on the modeline. Signed-off-by: Alexandre Julliard <julliard@winehq.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
1112 lines
43 KiB
EmacsLisp
1112 lines
43 KiB
EmacsLisp
;;; git.el --- A user interface for git
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;; Copyright (C) 2005, 2006 Alexandre Julliard <julliard@winehq.org>
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;; Version: 1.0
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2 of
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;; the License, or (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be
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;; useful, but WITHOUT ANY WARRANTY; without even the implied
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;; warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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;; PURPOSE. See the GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public
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;; License along with this program; if not, write to the Free
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;; Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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;; MA 02111-1307 USA
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;;; Commentary:
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;; This file contains an interface for the git version control
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;; system. It provides easy access to the most frequently used git
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;; commands. The user interface is as far as possible identical to
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;; that of the PCL-CVS mode.
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;;
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;; To install: put this file on the load-path and place the following
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;; in your .emacs file:
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;;
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;; (require 'git)
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;;
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;; To start: `M-x git-status'
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;;
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;; TODO
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;; - portability to XEmacs
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;; - better handling of subprocess errors
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;; - hook into file save (after-save-hook)
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;; - diff against other branch
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;; - renaming files from the status buffer
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;; - creating tags
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;; - fetch/pull
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;; - switching branches
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;; - revlist browser
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;; - git-show-branch browser
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;; - menus
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;;
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(eval-when-compile (require 'cl))
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(require 'ewoc)
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(require 'log-edit)
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;;;; Customizations
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;;;; ------------------------------------------------------------
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(defgroup git nil
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"A user interface for the git versioning system."
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:group 'tools)
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(defcustom git-committer-name nil
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"User name to use for commits.
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The default is to fall back to the repository config,
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then to `add-log-full-name' and then to `user-full-name'."
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:group 'git
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:type '(choice (const :tag "Default" nil)
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(string :tag "Name")))
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(defcustom git-committer-email nil
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"Email address to use for commits.
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The default is to fall back to the git repository config,
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then to `add-log-mailing-address' and then to `user-mail-address'."
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:group 'git
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:type '(choice (const :tag "Default" nil)
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(string :tag "Email")))
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(defcustom git-commits-coding-system nil
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"Default coding system for the log message of git commits."
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:group 'git
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:type '(choice (const :tag "From repository config" nil)
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(coding-system)))
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(defcustom git-append-signed-off-by nil
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"Whether to append a Signed-off-by line to the commit message before editing."
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:group 'git
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:type 'boolean)
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(defcustom git-reuse-status-buffer t
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"Whether `git-status' should try to reuse an existing buffer
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if there is already one that displays the same directory."
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:group 'git
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:type 'boolean)
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(defcustom git-per-dir-ignore-file ".gitignore"
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"Name of the per-directory ignore file."
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:group 'git
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:type 'string)
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(defface git-status-face
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'((((class color) (background light)) (:foreground "purple")))
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"Git mode face used to highlight added and modified files."
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:group 'git)
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(defface git-unmerged-face
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'((((class color) (background light)) (:foreground "red" :bold t)))
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"Git mode face used to highlight unmerged files."
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:group 'git)
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(defface git-unknown-face
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'((((class color) (background light)) (:foreground "goldenrod" :bold t)))
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"Git mode face used to highlight unknown files."
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:group 'git)
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(defface git-uptodate-face
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'((((class color) (background light)) (:foreground "grey60")))
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"Git mode face used to highlight up-to-date files."
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:group 'git)
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(defface git-ignored-face
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'((((class color) (background light)) (:foreground "grey60")))
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"Git mode face used to highlight ignored files."
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:group 'git)
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(defface git-mark-face
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'((((class color) (background light)) (:foreground "red" :bold t)))
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"Git mode face used for the file marks."
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:group 'git)
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(defface git-header-face
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'((((class color) (background light)) (:foreground "blue")))
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"Git mode face used for commit headers."
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:group 'git)
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(defface git-separator-face
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'((((class color) (background light)) (:foreground "brown")))
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"Git mode face used for commit separator."
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:group 'git)
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(defface git-permission-face
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'((((class color) (background light)) (:foreground "green" :bold t)))
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"Git mode face used for permission changes."
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:group 'git)
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;;;; Utilities
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;;;; ------------------------------------------------------------
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(defconst git-log-msg-separator "--- log message follows this line ---")
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(defvar git-log-edit-font-lock-keywords
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`(("^\\(Author:\\|Date:\\|Parent:\\|Signed-off-by:\\)\\(.*\\)$"
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(1 font-lock-keyword-face)
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(2 font-lock-function-name-face))
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(,(concat "^\\(" (regexp-quote git-log-msg-separator) "\\)$")
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(1 font-lock-comment-face))))
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(defun git-get-env-strings (env)
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"Build a list of NAME=VALUE strings from a list of environment strings."
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(mapcar (lambda (entry) (concat (car entry) "=" (cdr entry))) env))
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(defun git-call-process-env (buffer env &rest args)
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"Wrapper for call-process that sets environment strings."
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(if env
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(apply #'call-process "env" nil buffer nil
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(append (git-get-env-strings env) (list "git") args))
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(apply #'call-process "git" nil buffer nil args)))
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(defun git-call-process-env-string (env &rest args)
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"Wrapper for call-process that sets environment strings,
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and returns the process output as a string."
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(with-temp-buffer
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(and (eq 0 (apply #' git-call-process-env t env args))
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(buffer-string))))
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(defun git-run-process-region (buffer start end program args)
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"Run a git process with a buffer region as input."
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(let ((output-buffer (current-buffer))
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(dir default-directory))
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(with-current-buffer buffer
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(cd dir)
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(apply #'call-process-region start end program
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nil (list output-buffer nil) nil args))))
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(defun git-run-command-buffer (buffer-name &rest args)
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"Run a git command, sending the output to a buffer named BUFFER-NAME."
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(let ((dir default-directory)
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(buffer (get-buffer-create buffer-name)))
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(message "Running git %s..." (car args))
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(with-current-buffer buffer
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(let ((default-directory dir)
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(buffer-read-only nil))
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(erase-buffer)
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(apply #'git-call-process-env buffer nil args)))
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(message "Running git %s...done" (car args))
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buffer))
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(defun git-run-command (buffer env &rest args)
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(message "Running git %s..." (car args))
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(apply #'git-call-process-env buffer env args)
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(message "Running git %s...done" (car args)))
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(defun git-run-command-region (buffer start end env &rest args)
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"Run a git command with specified buffer region as input."
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(message "Running git %s..." (car args))
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(unless (eq 0 (if env
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(git-run-process-region
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buffer start end "env"
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(append (git-get-env-strings env) (list "git") args))
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(git-run-process-region
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buffer start end "git" args)))
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(error "Failed to run \"git %s\":\n%s" (mapconcat (lambda (x) x) args " ") (buffer-string)))
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(message "Running git %s...done" (car args)))
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(defun git-get-string-sha1 (string)
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"Read a SHA1 from the specified string."
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(and string
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(string-match "[0-9a-f]\\{40\\}" string)
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(match-string 0 string)))
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(defun git-get-committer-name ()
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"Return the name to use as GIT_COMMITTER_NAME."
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; copied from log-edit
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(or git-committer-name
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(git-config "user.name")
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(and (boundp 'add-log-full-name) add-log-full-name)
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(and (fboundp 'user-full-name) (user-full-name))
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(and (boundp 'user-full-name) user-full-name)))
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(defun git-get-committer-email ()
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"Return the email address to use as GIT_COMMITTER_EMAIL."
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; copied from log-edit
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(or git-committer-email
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(git-config "user.email")
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(and (boundp 'add-log-mailing-address) add-log-mailing-address)
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(and (fboundp 'user-mail-address) (user-mail-address))
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(and (boundp 'user-mail-address) user-mail-address)))
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(defun git-get-commits-coding-system ()
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"Return the coding system to use for commits."
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(let ((repo-config (git-config "i18n.commitencoding")))
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(or git-commits-coding-system
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(and repo-config
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(fboundp 'locale-charset-to-coding-system)
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(locale-charset-to-coding-system repo-config))
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'utf-8)))
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(defun 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 git-get-top-dir (dir)
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"Retrieve the top-level directory of a git tree."
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(let ((cdup (with-output-to-string
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(with-current-buffer standard-output
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(cd dir)
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(unless (eq 0 (call-process "git" nil t nil "rev-parse" "--show-cdup"))
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(error "cannot find top-level git tree for %s." dir))))))
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(expand-file-name (concat (file-name-as-directory dir)
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(car (split-string cdup "\n"))))))
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;stolen from pcl-cvs
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(defun git-append-to-ignore (file)
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"Add a file name to the ignore file in its directory."
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(let* ((fullname (expand-file-name file))
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(dir (file-name-directory fullname))
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(name (file-name-nondirectory fullname))
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(ignore-name (expand-file-name git-per-dir-ignore-file dir))
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(created (not (file-exists-p ignore-name))))
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(save-window-excursion
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(set-buffer (find-file-noselect ignore-name))
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(goto-char (point-max))
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(unless (zerop (current-column)) (insert "\n"))
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(insert "/" name "\n")
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(sort-lines nil (point-min) (point-max))
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(save-buffer))
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(when created
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(git-run-command nil nil "update-index" "--info-only" "--add" "--" (file-relative-name ignore-name)))
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(git-add-status-file (if created 'added 'modified) (file-relative-name ignore-name))))
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; propertize definition for XEmacs, stolen from erc-compat
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(eval-when-compile
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(unless (fboundp 'propertize)
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(defun propertize (string &rest props)
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(let ((string (copy-sequence string)))
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(while props
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(put-text-property 0 (length string) (nth 0 props) (nth 1 props) string)
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(setq props (cddr props)))
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string))))
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;;;; Wrappers for basic git commands
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;;;; ------------------------------------------------------------
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(defun git-rev-parse (rev)
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"Parse a revision name and return its SHA1."
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(git-get-string-sha1
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(git-call-process-env-string nil "rev-parse" rev)))
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(defun git-config (key)
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"Retrieve the value associated to KEY in the git repository config file."
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(let ((str (git-call-process-env-string nil "config" key)))
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(and str (car (split-string str "\n")))))
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(defun git-symbolic-ref (ref)
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"Wrapper for the git-symbolic-ref command."
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(let ((str (git-call-process-env-string nil "symbolic-ref" ref)))
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(and str (car (split-string str "\n")))))
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(defun git-update-ref (ref val &optional oldval)
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"Update a reference by calling git-update-ref."
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(apply #'git-call-process-env nil nil "update-ref" ref val (if oldval (list oldval))))
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(defun git-read-tree (tree &optional index-file)
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"Read a tree into the index file."
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(apply #'git-call-process-env nil
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(if index-file `(("GIT_INDEX_FILE" . ,index-file)) nil)
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"read-tree" (if tree (list tree))))
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(defun git-write-tree (&optional index-file)
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"Call git-write-tree and return the resulting tree SHA1 as a string."
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(git-get-string-sha1
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(git-call-process-env-string (and index-file `(("GIT_INDEX_FILE" . ,index-file))) "write-tree")))
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(defun git-commit-tree (buffer tree head)
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"Call git-commit-tree with buffer as input and return the resulting commit SHA1."
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(let ((author-name (git-get-committer-name))
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(author-email (git-get-committer-email))
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author-date log-start log-end args coding-system-for-write)
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(when head
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(push "-p" args)
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(push head args))
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(with-current-buffer buffer
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(goto-char (point-min))
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(if
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(setq log-start (re-search-forward (concat "^" (regexp-quote git-log-msg-separator) "\n") nil t))
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(save-restriction
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(narrow-to-region (point-min) log-start)
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(goto-char (point-min))
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(when (re-search-forward "^Author: +\\(.*?\\) *<\\(.*\\)> *$" nil t)
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(setq author-name (match-string 1)
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author-email (match-string 2)))
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(goto-char (point-min))
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(when (re-search-forward "^Date: +\\(.*\\)$" nil t)
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(setq author-date (match-string 1)))
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(goto-char (point-min))
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(while (re-search-forward "^Parent: +\\([0-9a-f]+\\)" nil t)
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(unless (string-equal head (match-string 1))
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(push "-p" args)
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(push (match-string 1) args))))
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(setq log-start (point-min)))
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(setq log-end (point-max))
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(setq coding-system-for-write buffer-file-coding-system))
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(git-get-string-sha1
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(with-output-to-string
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(with-current-buffer standard-output
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(let ((env `(("GIT_AUTHOR_NAME" . ,author-name)
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("GIT_AUTHOR_EMAIL" . ,author-email)
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("GIT_COMMITTER_NAME" . ,(git-get-committer-name))
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("GIT_COMMITTER_EMAIL" . ,(git-get-committer-email)))))
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(when author-date (push `("GIT_AUTHOR_DATE" . ,author-date) env))
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(apply #'git-run-command-region
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buffer log-start log-end env
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"commit-tree" tree (nreverse args))))))))
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(defun git-empty-db-p ()
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"Check if the git db is empty (no commit done yet)."
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(not (eq 0 (call-process "git" nil nil nil "rev-parse" "--verify" "HEAD"))))
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(defun git-get-merge-heads ()
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"Retrieve the merge heads from the MERGE_HEAD file if present."
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(let (heads)
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(when (file-readable-p ".git/MERGE_HEAD")
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(with-temp-buffer
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(insert-file-contents ".git/MERGE_HEAD" nil nil nil t)
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(goto-char (point-min))
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(while (re-search-forward "[0-9a-f]\\{40\\}" nil t)
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(push (match-string 0) heads))))
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(nreverse heads)))
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;;;; File info structure
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;;;; ------------------------------------------------------------
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; fileinfo structure stolen from pcl-cvs
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(defstruct (git-fileinfo
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(:copier nil)
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(:constructor git-create-fileinfo (state name &optional old-perm new-perm rename-state orig-name marked))
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(:conc-name git-fileinfo->))
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marked ;; t/nil
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state ;; current state
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name ;; file name
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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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needs-refresh) ;; whether file needs to be refreshed
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(defvar git-status nil)
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(defun git-clear-status (status)
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"Remove everything from the status list."
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(ewoc-filter status (lambda (info) nil)))
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(defun git-set-files-state (files state)
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"Set the state of a list of files."
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(dolist (info files)
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(unless (eq (git-fileinfo->state info) state)
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(setf (git-fileinfo->state info) state)
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(setf (git-fileinfo->rename-state info) nil)
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(setf (git-fileinfo->orig-name info) nil)
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(setf (git-fileinfo->needs-refresh info) t))))
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(defun 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 'modified)
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(?? 'unknown)
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(?A 'added)
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(?D 'deleted)
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(?U 'unmerged)
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(t nil)))
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(defun git-status-code-as-string (code)
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"Format a git status code as string."
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(case code
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('modified (propertize "Modified" 'face 'git-status-face))
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('unknown (propertize "Unknown " 'face 'git-unknown-face))
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('added (propertize "Added " 'face 'git-status-face))
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('deleted (propertize "Deleted " 'face 'git-status-face))
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('unmerged (propertize "Unmerged" 'face 'git-unmerged-face))
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('uptodate (propertize "Uptodate" 'face 'git-uptodate-face))
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('ignored (propertize "Ignored " 'face 'git-ignored-face))
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(t "? ")))
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(defun git-rename-as-string (info)
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"Return a string describing the copy or rename associated with INFO, or an empty string if none."
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(let ((state (git-fileinfo->rename-state info)))
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(if state
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(propertize
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(concat " ("
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(if (eq state 'copy) "copied from "
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(if (eq (git-fileinfo->state info) 'added) "renamed from "
|
|
"renamed to "))
|
|
(git-escape-file-name (git-fileinfo->orig-name info))
|
|
")") 'face 'git-status-face)
|
|
"")))
|
|
|
|
(defun git-permissions-as-string (old-perm new-perm)
|
|
"Format a permission change as string."
|
|
(propertize
|
|
(if (or (not old-perm)
|
|
(not new-perm)
|
|
(eq 0 (logand ?\111 (logxor old-perm new-perm))))
|
|
" "
|
|
(if (eq 0 (logand ?\111 old-perm)) "+x" "-x"))
|
|
'face 'git-permission-face))
|
|
|
|
(defun git-fileinfo-prettyprint (info)
|
|
"Pretty-printer for the git-fileinfo structure."
|
|
(insert (concat " " (if (git-fileinfo->marked info) (propertize "*" 'face 'git-mark-face) " ")
|
|
" " (git-status-code-as-string (git-fileinfo->state info))
|
|
" " (git-permissions-as-string (git-fileinfo->old-perm info) (git-fileinfo->new-perm info))
|
|
" " (git-escape-file-name (git-fileinfo->name info))
|
|
(git-rename-as-string info))))
|
|
|
|
(defun git-parse-status (status)
|
|
"Parse the output of git-diff-index in the current buffer."
|
|
(goto-char (point-min))
|
|
(while (re-search-forward
|
|
":\\([0-7]\\{6\\}\\) \\([0-7]\\{6\\}\\) [0-9a-f]\\{40\\} [0-9a-f]\\{40\\} \\(\\([ADMU]\\)\0\\([^\0]+\\)\\|\\([CR]\\)[0-9]*\0\\([^\0]+\\)\0\\([^\0]+\\)\\)\0"
|
|
nil t 1)
|
|
(let ((old-perm (string-to-number (match-string 1) 8))
|
|
(new-perm (string-to-number (match-string 2) 8))
|
|
(state (or (match-string 4) (match-string 6)))
|
|
(name (or (match-string 5) (match-string 7)))
|
|
(new-name (match-string 8)))
|
|
(if new-name ; copy or rename
|
|
(if (eq ?C (string-to-char state))
|
|
(ewoc-enter-last status (git-create-fileinfo 'added new-name old-perm new-perm 'copy name))
|
|
(ewoc-enter-last status (git-create-fileinfo 'deleted name 0 0 'rename new-name))
|
|
(ewoc-enter-last status (git-create-fileinfo 'added new-name old-perm new-perm 'rename name)))
|
|
(ewoc-enter-last status (git-create-fileinfo (git-state-code state) name old-perm new-perm))))))
|
|
|
|
(defun git-find-status-file (status file)
|
|
"Find a given file in the status ewoc and return its node."
|
|
(let ((node (ewoc-nth status 0)))
|
|
(while (and node (not (string= file (git-fileinfo->name (ewoc-data node)))))
|
|
(setq node (ewoc-next status node)))
|
|
node))
|
|
|
|
(defun git-parse-ls-files (status default-state &optional skip-existing)
|
|
"Parse the output of git-ls-files in the current buffer."
|
|
(goto-char (point-min))
|
|
(let (infolist)
|
|
(while (re-search-forward "\\([HMRCK?]\\) \\([^\0]*\\)\0" nil t 1)
|
|
(let ((state (match-string 1))
|
|
(name (match-string 2)))
|
|
(unless (and skip-existing (git-find-status-file status name))
|
|
(push (git-create-fileinfo (or (git-state-code state) default-state) name) infolist))))
|
|
(dolist (info (nreverse infolist))
|
|
(ewoc-enter-last status info))))
|
|
|
|
(defun git-parse-ls-unmerged (status)
|
|
"Parse the output of git-ls-files -u in the current buffer."
|
|
(goto-char (point-min))
|
|
(let (files)
|
|
(while (re-search-forward "[0-7]\\{6\\} [0-9a-f]\\{40\\} [123]\t\\([^\0]+\\)\0" nil t)
|
|
(let ((node (git-find-status-file status (match-string 1))))
|
|
(when node (push (ewoc-data node) files))))
|
|
(git-set-files-state files 'unmerged)))
|
|
|
|
(defun git-add-status-file (state name)
|
|
"Add a new file to the status list (if not existing already) and return its node."
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(or (git-find-status-file git-status name)
|
|
(ewoc-enter-last git-status (git-create-fileinfo state name))))
|
|
|
|
(defun git-marked-files ()
|
|
"Return a list of all marked files, or if none a list containing just the file at cursor position."
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(or (ewoc-collect git-status (lambda (info) (git-fileinfo->marked info)))
|
|
(list (ewoc-data (ewoc-locate git-status)))))
|
|
|
|
(defun git-marked-files-state (&rest states)
|
|
"Return marked files that are in the specified states."
|
|
(let ((files (git-marked-files))
|
|
result)
|
|
(dolist (info files)
|
|
(when (memq (git-fileinfo->state info) states)
|
|
(push info result)))
|
|
result))
|
|
|
|
(defun git-refresh-files ()
|
|
"Refresh all files that need it and clear the needs-refresh flag."
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(ewoc-map
|
|
(lambda (info)
|
|
(let ((refresh (git-fileinfo->needs-refresh info)))
|
|
(setf (git-fileinfo->needs-refresh info) nil)
|
|
refresh))
|
|
git-status)
|
|
; move back to goal column
|
|
(when goal-column (move-to-column goal-column)))
|
|
|
|
(defun git-refresh-ewoc-hf (status)
|
|
"Refresh the ewoc header and footer."
|
|
(let ((branch (git-symbolic-ref "HEAD"))
|
|
(head (if (git-empty-db-p) "Nothing committed yet"
|
|
(substring (git-rev-parse "HEAD") 0 10)))
|
|
(merge-heads (git-get-merge-heads)))
|
|
(ewoc-set-hf status
|
|
(format "Directory: %s\nBranch: %s\nHead: %s%s\n"
|
|
default-directory
|
|
(if (string-match "^refs/heads/" branch)
|
|
(substring branch (match-end 0))
|
|
branch)
|
|
head
|
|
(if merge-heads
|
|
(concat "\nMerging: "
|
|
(mapconcat (lambda (str) (substring str 0 10)) merge-heads " "))
|
|
""))
|
|
(if (ewoc-nth status 0) "" " No changes."))))
|
|
|
|
(defun git-get-filenames (files)
|
|
(mapcar (lambda (info) (git-fileinfo->name info)) files))
|
|
|
|
(defun git-update-index (index-file files)
|
|
"Run git-update-index on a list of files."
|
|
(let ((env (and index-file `(("GIT_INDEX_FILE" . ,index-file))))
|
|
added deleted modified)
|
|
(dolist (info files)
|
|
(case (git-fileinfo->state info)
|
|
('added (push info added))
|
|
('deleted (push info deleted))
|
|
('modified (push info modified))))
|
|
(when added
|
|
(apply #'git-run-command nil env "update-index" "--add" "--" (git-get-filenames added)))
|
|
(when deleted
|
|
(apply #'git-run-command nil env "update-index" "--remove" "--" (git-get-filenames deleted)))
|
|
(when modified
|
|
(apply #'git-run-command nil env "update-index" "--" (git-get-filenames modified)))))
|
|
|
|
(defun git-do-commit ()
|
|
"Perform the actual commit using the current buffer as log message."
|
|
(interactive)
|
|
(let ((buffer (current-buffer))
|
|
(index-file (make-temp-file "gitidx")))
|
|
(with-current-buffer log-edit-parent-buffer
|
|
(if (git-marked-files-state 'unmerged)
|
|
(message "You cannot commit unmerged files, resolve them first.")
|
|
(unwind-protect
|
|
(let ((files (git-marked-files-state 'added 'deleted 'modified))
|
|
head head-tree)
|
|
(unless (git-empty-db-p)
|
|
(setq head (git-rev-parse "HEAD")
|
|
head-tree (git-rev-parse "HEAD^{tree}")))
|
|
(if files
|
|
(progn
|
|
(git-read-tree head-tree index-file)
|
|
(git-update-index nil files) ;update both the default index
|
|
(git-update-index index-file files) ;and the temporary one
|
|
(let ((tree (git-write-tree index-file)))
|
|
(if (or (not (string-equal tree head-tree))
|
|
(yes-or-no-p "The tree was not modified, do you really want to perform an empty commit? "))
|
|
(let ((commit (git-commit-tree buffer tree head)))
|
|
(git-update-ref "HEAD" commit head)
|
|
(condition-case nil (delete-file ".git/MERGE_HEAD") (error nil))
|
|
(condition-case nil (delete-file ".git/MERGE_MSG") (error nil))
|
|
(with-current-buffer buffer (erase-buffer))
|
|
(git-set-files-state files 'uptodate)
|
|
(when (file-directory-p ".git/rr-cache")
|
|
(git-run-command nil nil "rerere"))
|
|
(git-refresh-files)
|
|
(git-refresh-ewoc-hf git-status)
|
|
(message "Committed %s." commit))
|
|
(message "Commit aborted."))))
|
|
(message "No files to commit.")))
|
|
(delete-file index-file))))))
|
|
|
|
|
|
;;;; Interactive functions
|
|
;;;; ------------------------------------------------------------
|
|
|
|
(defun git-mark-file ()
|
|
"Mark the file that the cursor is on and move to the next one."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let* ((pos (ewoc-locate git-status))
|
|
(info (ewoc-data pos)))
|
|
(setf (git-fileinfo->marked info) t)
|
|
(ewoc-invalidate git-status pos)
|
|
(ewoc-goto-next git-status 1)))
|
|
|
|
(defun git-unmark-file ()
|
|
"Unmark the file that the cursor is on and move to the next one."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let* ((pos (ewoc-locate git-status))
|
|
(info (ewoc-data pos)))
|
|
(setf (git-fileinfo->marked info) nil)
|
|
(ewoc-invalidate git-status pos)
|
|
(ewoc-goto-next git-status 1)))
|
|
|
|
(defun git-unmark-file-up ()
|
|
"Unmark the file that the cursor is on and move to the previous one."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let* ((pos (ewoc-locate git-status))
|
|
(info (ewoc-data pos)))
|
|
(setf (git-fileinfo->marked info) nil)
|
|
(ewoc-invalidate git-status pos)
|
|
(ewoc-goto-prev git-status 1)))
|
|
|
|
(defun git-mark-all ()
|
|
"Mark all files."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(ewoc-map (lambda (info) (setf (git-fileinfo->marked info) t) t) git-status)
|
|
; move back to goal column after invalidate
|
|
(when goal-column (move-to-column goal-column)))
|
|
|
|
(defun git-unmark-all ()
|
|
"Unmark all files."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(ewoc-map (lambda (info) (setf (git-fileinfo->marked info) nil) t) git-status)
|
|
; move back to goal column after invalidate
|
|
(when goal-column (move-to-column goal-column)))
|
|
|
|
(defun git-toggle-all-marks ()
|
|
"Toggle all file marks."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(ewoc-map (lambda (info) (setf (git-fileinfo->marked info) (not (git-fileinfo->marked info))) t) git-status)
|
|
; move back to goal column after invalidate
|
|
(when goal-column (move-to-column goal-column)))
|
|
|
|
(defun git-next-file (&optional n)
|
|
"Move the selection down N files."
|
|
(interactive "p")
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(ewoc-goto-next git-status n))
|
|
|
|
(defun git-prev-file (&optional n)
|
|
"Move the selection up N files."
|
|
(interactive "p")
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(ewoc-goto-prev git-status n))
|
|
|
|
(defun git-next-unmerged-file (&optional n)
|
|
"Move the selection down N unmerged files."
|
|
(interactive "p")
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let* ((last (ewoc-locate git-status))
|
|
(node (ewoc-next git-status last)))
|
|
(while (and node (> n 0))
|
|
(when (eq 'unmerged (git-fileinfo->state (ewoc-data node)))
|
|
(setq n (1- n))
|
|
(setq last node))
|
|
(setq node (ewoc-next git-status node)))
|
|
(ewoc-goto-node git-status last)))
|
|
|
|
(defun git-prev-unmerged-file (&optional n)
|
|
"Move the selection up N unmerged files."
|
|
(interactive "p")
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let* ((last (ewoc-locate git-status))
|
|
(node (ewoc-prev git-status last)))
|
|
(while (and node (> n 0))
|
|
(when (eq 'unmerged (git-fileinfo->state (ewoc-data node)))
|
|
(setq n (1- n))
|
|
(setq last node))
|
|
(setq node (ewoc-prev git-status node)))
|
|
(ewoc-goto-node git-status last)))
|
|
|
|
(defun git-add-file ()
|
|
"Add marked file(s) to the index cache."
|
|
(interactive)
|
|
(let ((files (git-marked-files-state 'unknown)))
|
|
(unless files
|
|
(push (ewoc-data
|
|
(git-add-status-file 'added (file-relative-name
|
|
(read-file-name "File to add: " nil nil t))))
|
|
files))
|
|
(apply #'git-run-command nil nil "update-index" "--info-only" "--add" "--" (git-get-filenames files))
|
|
(git-set-files-state files 'added)
|
|
(git-refresh-files)))
|
|
|
|
(defun git-ignore-file ()
|
|
"Add marked file(s) to the ignore list."
|
|
(interactive)
|
|
(let ((files (git-marked-files-state 'unknown)))
|
|
(unless files
|
|
(push (ewoc-data
|
|
(git-add-status-file 'unknown (file-relative-name
|
|
(read-file-name "File to ignore: " nil nil t))))
|
|
files))
|
|
(dolist (info files) (git-append-to-ignore (git-fileinfo->name info)))
|
|
(git-set-files-state files 'ignored)
|
|
(git-refresh-files)))
|
|
|
|
(defun git-remove-file ()
|
|
"Remove the marked file(s)."
|
|
(interactive)
|
|
(let ((files (git-marked-files-state 'added 'modified 'unknown 'uptodate)))
|
|
(unless files
|
|
(push (ewoc-data
|
|
(git-add-status-file 'unknown (file-relative-name
|
|
(read-file-name "File to remove: " nil nil t))))
|
|
files))
|
|
(if (yes-or-no-p
|
|
(format "Remove %d file%s? " (length files) (if (> (length files) 1) "s" "")))
|
|
(progn
|
|
(dolist (info files)
|
|
(let ((name (git-fileinfo->name info)))
|
|
(when (file-exists-p name) (delete-file name))))
|
|
(apply #'git-run-command nil nil "update-index" "--info-only" "--remove" "--" (git-get-filenames files))
|
|
; remove unknown files from the list, set the others to deleted
|
|
(ewoc-filter git-status
|
|
(lambda (info files)
|
|
(not (and (memq info files) (eq (git-fileinfo->state info) 'unknown))))
|
|
files)
|
|
(git-set-files-state files 'deleted)
|
|
(git-refresh-files)
|
|
(unless (ewoc-nth git-status 0) ; refresh header if list is empty
|
|
(git-refresh-ewoc-hf git-status)))
|
|
(message "Aborting"))))
|
|
|
|
(defun git-revert-file ()
|
|
"Revert changes to the marked file(s)."
|
|
(interactive)
|
|
(let ((files (git-marked-files))
|
|
added modified)
|
|
(when (and files
|
|
(yes-or-no-p
|
|
(format "Revert %d file%s? " (length files) (if (> (length files) 1) "s" ""))))
|
|
(dolist (info files)
|
|
(case (git-fileinfo->state info)
|
|
('added (push info added))
|
|
('deleted (push info modified))
|
|
('unmerged (push info modified))
|
|
('modified (push info modified))))
|
|
(when added
|
|
(apply #'git-run-command nil nil "update-index" "--force-remove" "--" (git-get-filenames added))
|
|
(git-set-files-state added 'unknown))
|
|
(when modified
|
|
(apply #'git-run-command nil nil "checkout" "HEAD" (git-get-filenames modified))
|
|
(git-set-files-state modified 'uptodate))
|
|
(git-refresh-files))))
|
|
|
|
(defun git-resolve-file ()
|
|
"Resolve conflicts in marked file(s)."
|
|
(interactive)
|
|
(let ((files (git-marked-files-state 'unmerged)))
|
|
(when files
|
|
(apply #'git-run-command nil nil "update-index" "--" (git-get-filenames files))
|
|
(git-set-files-state files 'modified)
|
|
(git-refresh-files))))
|
|
|
|
(defun git-remove-handled ()
|
|
"Remove handled files from the status list."
|
|
(interactive)
|
|
(ewoc-filter git-status
|
|
(lambda (info)
|
|
(not (or (eq (git-fileinfo->state info) 'ignored)
|
|
(eq (git-fileinfo->state info) 'uptodate)))))
|
|
(unless (ewoc-nth git-status 0) ; refresh header if list is empty
|
|
(git-refresh-ewoc-hf git-status)))
|
|
|
|
(defun git-setup-diff-buffer (buffer)
|
|
"Setup a buffer for displaying a diff."
|
|
(with-current-buffer buffer
|
|
(diff-mode)
|
|
(goto-char (point-min))
|
|
(setq buffer-read-only t))
|
|
(display-buffer buffer)
|
|
(shrink-window-if-larger-than-buffer))
|
|
|
|
(defun git-diff-file ()
|
|
"Diff the marked file(s) against HEAD."
|
|
(interactive)
|
|
(let ((files (git-marked-files)))
|
|
(git-setup-diff-buffer
|
|
(apply #'git-run-command-buffer "*git-diff*" "diff-index" "-p" "-M" "HEAD" "--" (git-get-filenames files)))))
|
|
|
|
(defun git-diff-file-merge-head (arg)
|
|
"Diff the marked file(s) against the first merge head (or the nth one with a numeric prefix)."
|
|
(interactive "p")
|
|
(let ((files (git-marked-files))
|
|
(merge-heads (git-get-merge-heads)))
|
|
(unless merge-heads (error "No merge in progress"))
|
|
(git-setup-diff-buffer
|
|
(apply #'git-run-command-buffer "*git-diff*" "diff-index" "-p" "-M"
|
|
(or (nth (1- arg) merge-heads) "HEAD") "--" (git-get-filenames files)))))
|
|
|
|
(defun git-diff-unmerged-file (stage)
|
|
"Diff the marked unmerged file(s) against the specified stage."
|
|
(let ((files (git-marked-files)))
|
|
(git-setup-diff-buffer
|
|
(apply #'git-run-command-buffer "*git-diff*" "diff-files" "-p" stage "--" (git-get-filenames files)))))
|
|
|
|
(defun git-diff-file-base ()
|
|
"Diff the marked unmerged file(s) against the common base file."
|
|
(interactive)
|
|
(git-diff-unmerged-file "-1"))
|
|
|
|
(defun git-diff-file-mine ()
|
|
"Diff the marked unmerged file(s) against my pre-merge version."
|
|
(interactive)
|
|
(git-diff-unmerged-file "-2"))
|
|
|
|
(defun git-diff-file-other ()
|
|
"Diff the marked unmerged file(s) against the other's pre-merge version."
|
|
(interactive)
|
|
(git-diff-unmerged-file "-3"))
|
|
|
|
(defun git-diff-file-combined ()
|
|
"Do a combined diff of the marked unmerged file(s)."
|
|
(interactive)
|
|
(git-diff-unmerged-file "-c"))
|
|
|
|
(defun git-diff-file-idiff ()
|
|
"Perform an interactive diff on the current file."
|
|
(interactive)
|
|
(error "Interactive diffs not implemented yet."))
|
|
|
|
(defun git-log-file ()
|
|
"Display a log of changes to the marked file(s)."
|
|
(interactive)
|
|
(let* ((files (git-marked-files))
|
|
(coding-system-for-read git-commits-coding-system)
|
|
(buffer (apply #'git-run-command-buffer "*git-log*" "rev-list" "--pretty" "HEAD" "--" (git-get-filenames files))))
|
|
(with-current-buffer buffer
|
|
; (git-log-mode) FIXME: implement log mode
|
|
(goto-char (point-min))
|
|
(setq buffer-read-only t))
|
|
(display-buffer buffer)))
|
|
|
|
(defun git-log-edit-files ()
|
|
"Return a list of marked files for use in the log-edit buffer."
|
|
(with-current-buffer log-edit-parent-buffer
|
|
(git-get-filenames (git-marked-files-state 'added 'deleted 'modified))))
|
|
|
|
(defun git-commit-file ()
|
|
"Commit the marked file(s), asking for a commit message."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let ((buffer (get-buffer-create "*git-commit*"))
|
|
(merge-heads (git-get-merge-heads))
|
|
(dir default-directory)
|
|
(coding-system (git-get-commits-coding-system))
|
|
(sign-off git-append-signed-off-by))
|
|
(with-current-buffer buffer
|
|
(when (eq 0 (buffer-size))
|
|
(cd dir)
|
|
(erase-buffer)
|
|
(insert
|
|
(propertize
|
|
(format "Author: %s <%s>\n%s"
|
|
(git-get-committer-name) (git-get-committer-email)
|
|
(if merge-heads
|
|
(format "Parent: %s\n%s\n"
|
|
(git-rev-parse "HEAD")
|
|
(mapconcat (lambda (str) (concat "Parent: " str)) merge-heads "\n"))
|
|
""))
|
|
'face 'git-header-face)
|
|
(propertize git-log-msg-separator 'face 'git-separator-face)
|
|
"\n")
|
|
(cond ((file-readable-p ".git/MERGE_MSG")
|
|
(insert-file-contents ".git/MERGE_MSG"))
|
|
(sign-off
|
|
(insert (format "\n\nSigned-off-by: %s <%s>\n"
|
|
(git-get-committer-name) (git-get-committer-email)))))))
|
|
(log-edit #'git-do-commit nil #'git-log-edit-files buffer)
|
|
(setq font-lock-keywords (font-lock-compile-keywords git-log-edit-font-lock-keywords))
|
|
(setq buffer-file-coding-system coding-system)
|
|
(re-search-forward (regexp-quote (concat git-log-msg-separator "\n")) nil t)))
|
|
|
|
(defun git-find-file ()
|
|
"Visit the current file in its own buffer."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let ((info (ewoc-data (ewoc-locate git-status))))
|
|
(find-file (git-fileinfo->name info))
|
|
(when (eq 'unmerged (git-fileinfo->state info))
|
|
(smerge-mode))))
|
|
|
|
(defun git-find-file-other-window ()
|
|
"Visit the current file in its own buffer in another window."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let ((info (ewoc-data (ewoc-locate git-status))))
|
|
(find-file-other-window (git-fileinfo->name info))
|
|
(when (eq 'unmerged (git-fileinfo->state info))
|
|
(smerge-mode))))
|
|
|
|
(defun git-find-file-imerge ()
|
|
"Visit the current file in interactive merge mode."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let ((info (ewoc-data (ewoc-locate git-status))))
|
|
(find-file (git-fileinfo->name info))
|
|
(smerge-ediff)))
|
|
|
|
(defun git-view-file ()
|
|
"View the current file in its own buffer."
|
|
(interactive)
|
|
(unless git-status (error "Not in git-status buffer."))
|
|
(let ((info (ewoc-data (ewoc-locate git-status))))
|
|
(view-file (git-fileinfo->name info))))
|
|
|
|
(defun git-refresh-status ()
|
|
"Refresh the git status buffer."
|
|
(interactive)
|
|
(let* ((status git-status)
|
|
(pos (ewoc-locate status))
|
|
(cur-name (and pos (git-fileinfo->name (ewoc-data pos)))))
|
|
(unless status (error "Not in git-status buffer."))
|
|
(git-clear-status status)
|
|
(git-run-command nil nil "update-index" "--info-only" "--refresh")
|
|
(if (git-empty-db-p)
|
|
; we need some special handling for an empty db
|
|
(with-temp-buffer
|
|
(git-run-command t nil "ls-files" "-z" "-t" "-c")
|
|
(git-parse-ls-files status 'added))
|
|
(with-temp-buffer
|
|
(git-run-command t nil "diff-index" "-z" "-M" "HEAD")
|
|
(git-parse-status status)))
|
|
(with-temp-buffer
|
|
(git-run-command t nil "ls-files" "-z" "-u")
|
|
(git-parse-ls-unmerged status))
|
|
(when (file-readable-p ".git/info/exclude")
|
|
(with-temp-buffer
|
|
(git-run-command t nil "ls-files" "-z" "-t" "-o"
|
|
"--exclude-from=.git/info/exclude"
|
|
(concat "--exclude-per-directory=" git-per-dir-ignore-file))
|
|
(git-parse-ls-files status 'unknown)))
|
|
(git-refresh-files)
|
|
(git-refresh-ewoc-hf status)
|
|
; move point to the current file name if any
|
|
(let ((node (and cur-name (git-find-status-file status cur-name))))
|
|
(when node (ewoc-goto-node status node)))))
|
|
|
|
(defun git-status-quit ()
|
|
"Quit git-status mode."
|
|
(interactive)
|
|
(bury-buffer))
|
|
|
|
;;;; Major Mode
|
|
;;;; ------------------------------------------------------------
|
|
|
|
(defvar git-status-mode-hook nil
|
|
"Run after `git-status-mode' is setup.")
|
|
|
|
(defvar git-status-mode-map nil
|
|
"Keymap for git major mode.")
|
|
|
|
(defvar git-status nil
|
|
"List of all files managed by the git-status mode.")
|
|
|
|
(unless git-status-mode-map
|
|
(let ((map (make-keymap))
|
|
(diff-map (make-sparse-keymap)))
|
|
(suppress-keymap map)
|
|
(define-key map "?" 'git-help)
|
|
(define-key map "h" 'git-help)
|
|
(define-key map " " 'git-next-file)
|
|
(define-key map "a" 'git-add-file)
|
|
(define-key map "c" 'git-commit-file)
|
|
(define-key map "d" diff-map)
|
|
(define-key map "=" 'git-diff-file)
|
|
(define-key map "f" 'git-find-file)
|
|
(define-key map "\r" 'git-find-file)
|
|
(define-key map "g" 'git-refresh-status)
|
|
(define-key map "i" 'git-ignore-file)
|
|
(define-key map "l" 'git-log-file)
|
|
(define-key map "m" 'git-mark-file)
|
|
(define-key map "M" 'git-mark-all)
|
|
(define-key map "n" 'git-next-file)
|
|
(define-key map "N" 'git-next-unmerged-file)
|
|
(define-key map "o" 'git-find-file-other-window)
|
|
(define-key map "p" 'git-prev-file)
|
|
(define-key map "P" 'git-prev-unmerged-file)
|
|
(define-key map "q" 'git-status-quit)
|
|
(define-key map "r" 'git-remove-file)
|
|
(define-key map "R" 'git-resolve-file)
|
|
(define-key map "T" 'git-toggle-all-marks)
|
|
(define-key map "u" 'git-unmark-file)
|
|
(define-key map "U" 'git-revert-file)
|
|
(define-key map "v" 'git-view-file)
|
|
(define-key map "x" 'git-remove-handled)
|
|
(define-key map "\C-?" 'git-unmark-file-up)
|
|
(define-key map "\M-\C-?" 'git-unmark-all)
|
|
; the diff submap
|
|
(define-key diff-map "b" 'git-diff-file-base)
|
|
(define-key diff-map "c" 'git-diff-file-combined)
|
|
(define-key diff-map "=" 'git-diff-file)
|
|
(define-key diff-map "e" 'git-diff-file-idiff)
|
|
(define-key diff-map "E" 'git-find-file-imerge)
|
|
(define-key diff-map "h" 'git-diff-file-merge-head)
|
|
(define-key diff-map "m" 'git-diff-file-mine)
|
|
(define-key diff-map "o" 'git-diff-file-other)
|
|
(setq git-status-mode-map map)))
|
|
|
|
;; git mode should only run in the *git status* buffer
|
|
(put 'git-status-mode 'mode-class 'special)
|
|
|
|
(defun git-status-mode ()
|
|
"Major mode for interacting with Git.
|
|
Commands:
|
|
\\{git-status-mode-map}"
|
|
(kill-all-local-variables)
|
|
(buffer-disable-undo)
|
|
(setq mode-name "git status"
|
|
major-mode 'git-status-mode
|
|
goal-column 17
|
|
buffer-read-only t)
|
|
(use-local-map git-status-mode-map)
|
|
(let ((buffer-read-only nil))
|
|
(erase-buffer)
|
|
(let ((status (ewoc-create 'git-fileinfo-prettyprint "" "")))
|
|
(set (make-local-variable 'git-status) status))
|
|
(set (make-local-variable 'list-buffers-directory) default-directory)
|
|
(run-hooks 'git-status-mode-hook)))
|
|
|
|
(defun git-find-status-buffer (dir)
|
|
"Find the git status buffer handling a specified directory."
|
|
(let ((list (buffer-list))
|
|
(fulldir (expand-file-name dir))
|
|
found)
|
|
(while (and list (not found))
|
|
(let ((buffer (car list)))
|
|
(with-current-buffer buffer
|
|
(when (and list-buffers-directory
|
|
(string-equal fulldir (expand-file-name list-buffers-directory))
|
|
(string-match "\\*git-status\\*$" (buffer-name buffer)))
|
|
(setq found buffer))))
|
|
(setq list (cdr list)))
|
|
found))
|
|
|
|
(defun git-status (dir)
|
|
"Entry point into git-status mode."
|
|
(interactive "DSelect directory: ")
|
|
(setq dir (git-get-top-dir dir))
|
|
(if (file-directory-p (concat (file-name-as-directory dir) ".git"))
|
|
(let ((buffer (or (and git-reuse-status-buffer (git-find-status-buffer dir))
|
|
(create-file-buffer (expand-file-name "*git-status*" dir)))))
|
|
(switch-to-buffer buffer)
|
|
(cd dir)
|
|
(git-status-mode)
|
|
(git-refresh-status)
|
|
(goto-char (point-min)))
|
|
(message "%s is not a git working tree." dir)))
|
|
|
|
(defun git-help ()
|
|
"Display help for Git mode."
|
|
(interactive)
|
|
(describe-function 'git-status-mode))
|
|
|
|
(provide 'git)
|
|
;;; git.el ends here
|