1149 lines
42 KiB
EmacsLisp
1149 lines
42 KiB
EmacsLisp
;;; git-gutter.el --- Port of Sublime Text plugin GitGutter -*- lexical-binding: t; -*-
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;; Copyright (C) 2016-2020 Syohei YOSHIDA and Neil Okamoto
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;; Author: Syohei YOSHIDA <syohex@gmail.com>
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;; Maintainer: Neil Okamoto <neil.okamoto+melpa@gmail.com>
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;; URL: https://github.com/emacsorphanage/git-gutter
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;; Package-Version: 20200326.1814
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;; Package-Commit: 2c3242116a42dbbe30fc0844d1ec3c41074cdaba
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;; Version: 0.90
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;; Package-Requires: ((emacs "24.3"))
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;; This program 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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;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; Port of GitGutter which is a plugin of Sublime Text
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;;; Code:
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(require 'cl-lib)
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(defgroup git-gutter nil
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"Port GitGutter"
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:prefix "git-gutter:"
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:group 'vc)
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(defcustom git-gutter:window-width nil
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"Character width of gutter window. Emacs mistakes width of some characters.
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It is better to explicitly assign width to this variable, if you use full-width
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character for signs of changes"
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:type 'integer
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:group 'git-gutter)
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(defcustom git-gutter:diff-option ""
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"Option of 'git diff'"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:subversion-diff-option ""
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"Option of 'svn diff'"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:mercurial-diff-option ""
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"Option of 'hg diff'"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:bazaar-diff-option ""
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"Option of 'bzr diff'"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:update-commands
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'(ido-switch-buffer helm-buffers-list)
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"Each command of this list is executed, gutter information is updated."
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:type '(list (function :tag "Update command")
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(repeat :inline t (function :tag "Update command")))
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:group 'git-gutter)
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(defcustom git-gutter:update-windows-commands
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'(kill-buffer ido-kill-buffer)
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"Each command of this list is executed, gutter information is updated and
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gutter information of other windows."
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:type '(list (function :tag "Update command")
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(repeat :inline t (function :tag "Update command")))
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:group 'git-gutter)
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(defcustom git-gutter:update-hooks
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'(after-save-hook
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after-revert-hook
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find-file-hook
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after-change-major-mode-hook
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text-scale-mode-hook)
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"hook points of updating gutter"
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:type '(list (hook :tag "HookPoint")
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(repeat :inline t (hook :tag "HookPoint")))
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:group 'git-gutter)
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(defcustom git-gutter:always-show-separator nil
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"Show separator even if there are no changes."
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:type 'boolean
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:group 'git-gutter)
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(defcustom git-gutter:separator-sign nil
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"Separator sign"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:modified-sign "="
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"Modified sign"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:added-sign "+"
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"Added sign"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:deleted-sign "-"
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"Deleted sign"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:unchanged-sign nil
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"Unchanged sign"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:hide-gutter nil
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"Hide gutter if there are no changes"
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:type 'boolean
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:group 'git-gutter)
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(defcustom git-gutter:lighter " GitGutter"
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"Minor mode lighter in mode-line"
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:type 'string
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:group 'git-gutter)
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(defcustom git-gutter:verbosity 0
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"Log/message level. 4 means all, 0 nothing."
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:type 'integer
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:group 'git-gutter)
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(defcustom git-gutter:visual-line nil
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"Show sign at gutter by visual line."
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:type 'boolean
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:group 'git-gutter)
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(defface git-gutter:separator
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'((t (:foreground "cyan" :weight bold :inherit default)))
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"Face of separator")
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(defface git-gutter:modified
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'((t (:foreground "magenta" :weight bold :inherit default)))
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"Face of modified")
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(defface git-gutter:added
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'((t (:foreground "green" :weight bold :inherit default)))
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"Face of added")
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(defface git-gutter:deleted
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'((t (:foreground "red" :weight bold :inherit default)))
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"Face of deleted")
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(defface git-gutter:unchanged
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'((t (:background "yellow" :inherit default)))
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"Face of unchanged")
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(defcustom git-gutter:disabled-modes nil
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"A list of modes which `global-git-gutter-mode' should be disabled."
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:type '(repeat symbol)
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:group 'git-gutter)
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(defcustom git-gutter:handled-backends '(git)
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"List of version control backends for which `git-gutter.el` will be used.
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`git', `svn', `hg', and `bzr' are supported."
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:type '(repeat symbol)
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:group 'git-gutter)
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(defvar git-gutter:view-diff-function #'git-gutter:view-diff-infos
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"Function of viewing changes")
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(defvar git-gutter:clear-function #'git-gutter:clear-diff-infos
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"Function of clear changes")
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(defvar git-gutter:init-function 'nil
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"Function of initialize")
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(defcustom git-gutter-mode-on-hook nil
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"Hook run when git-gutter mode enable"
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:type 'hook
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:group 'git-gutter)
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(defcustom git-gutter-mode-off-hook nil
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"Hook run when git-gutter mode disable"
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:type 'hook
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:group 'git-gutter)
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(defcustom git-gutter:update-interval 0
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"Time interval in seconds for updating diff information."
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:type 'integer
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:group 'git-gutter)
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(defcustom git-gutter:ask-p t
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"Ask whether commit/revert or not"
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:type 'boolean
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:group 'git-gutter)
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(defcustom git-gutter:display-p t
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"Display diff information or not."
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:type 'boolean
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:group 'git-gutter)
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(defvar git-gutter:start-revision nil
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"Starting revision for vc diffs.
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Can be a directory-local variable in your project.")
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(make-variable-buffer-local 'git-gutter:start-revision)
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(put 'git-gutter:start-revision 'safe-local-variable
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(lambda (x) (or (booleanp x) (stringp x))))
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(cl-defstruct git-gutter-hunk
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type content start-line end-line)
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(defvar git-gutter:enabled nil)
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(defvar git-gutter:diffinfos nil)
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(defvar git-gutter:has-indirect-buffers nil)
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(defvar git-gutter:real-this-command nil)
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(defvar git-gutter:linum-enabled nil)
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(defvar git-gutter:linum-prev-window-margin nil)
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(defvar git-gutter:vcs-type nil)
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(defvar git-gutter:revision-history nil)
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(defvar git-gutter:update-timer nil)
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(defvar git-gutter:last-sha1 nil)
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(defvar git-gutter:popup-buffer "*git-gutter:diff*")
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(defvar git-gutter:ignore-commands
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'(minibuffer-complete-and-exit
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exit-minibuffer
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ido-exit-minibuffer
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helm-maybe-exit-minibuffer
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helm-confirm-and-exit-minibuffer))
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(defmacro git-gutter:awhen (test &rest body)
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"Anaphoric when."
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(declare (indent 1))
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`(let ((it ,test))
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(when it ,@body)))
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(defsubst git-gutter:execute-command (cmd output &rest args)
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(apply #'process-file cmd nil output nil args))
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(defun git-gutter:in-git-repository-p ()
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(when (executable-find "git")
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(with-temp-buffer
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(when (zerop (git-gutter:execute-command
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"git" t "rev-parse" "--is-inside-work-tree"))
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(goto-char (point-min))
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(looking-at-p "true")))))
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(defun git-gutter:in-repository-common-p (cmd check-subcmd repodir)
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(and (executable-find cmd)
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(locate-dominating-file default-directory repodir)
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(zerop (apply #'git-gutter:execute-command cmd nil check-subcmd))
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(not (string-match-p (regexp-quote (concat "/" repodir "/"))
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default-directory))))
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(defun git-gutter:vcs-check-function (vcs)
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(cl-case vcs
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(git (git-gutter:in-git-repository-p))
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(svn (git-gutter:in-repository-common-p "svn" '("info") ".svn"))
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(hg (git-gutter:in-repository-common-p "hg" '("root") ".hg"))
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(bzr (git-gutter:in-repository-common-p "bzr" '("root") ".bzr"))))
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(defun git-gutter:in-repository-p ()
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(cl-loop for vcs in git-gutter:handled-backends
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when (git-gutter:vcs-check-function vcs)
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return (setq-local git-gutter:vcs-type vcs)))
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(defsubst git-gutter:changes-to-number (str)
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(if (string= str "")
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1
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(string-to-number str)))
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(defsubst git-gutter:base-file ()
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(buffer-file-name (buffer-base-buffer)))
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(defun git-gutter:diff-content ()
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(save-excursion
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(goto-char (line-beginning-position))
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(let ((curpoint (point)))
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(forward-line 1)
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(if (re-search-forward "^@@" nil t)
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(backward-char 3) ;; for '@@'
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(goto-char (point-max)))
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(buffer-substring curpoint (point)))))
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(defvar git-gutter:diff-output-regexp
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"^@@ -\\(?:[0-9]+\\),?\\([0-9]*\\) \\+\\([0-9]+\\),?\\([0-9]*\\) @@"
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"Parse diff output.")
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(defun git-gutter:process-diff-output (buf)
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(when (buffer-live-p buf)
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(with-current-buffer buf
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(goto-char (point-min))
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(cl-loop while (re-search-forward git-gutter:diff-output-regexp nil t)
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for new-line = (string-to-number (match-string 2))
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for orig-changes = (git-gutter:changes-to-number (match-string 1))
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for new-changes = (git-gutter:changes-to-number (match-string 3))
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for type = (cond ((zerop orig-changes) 'added)
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((zerop new-changes) 'deleted)
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(t 'modified))
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for end-line = (if (eq type 'deleted)
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new-line
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(1- (+ new-line new-changes)))
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for content = (git-gutter:diff-content)
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collect
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(let ((start (if (zerop new-line) 1 new-line))
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(end (if (zerop end-line) 1 end-line)))
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(make-git-gutter-hunk
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:type type :content content :start-line start :end-line end))))))
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(defsubst git-gutter:window-margin ()
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(or git-gutter:window-width (git-gutter:longest-sign-width)))
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(defun git-gutter:set-window-margin (width)
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(when (and (not git-gutter:linum-enabled) (>= width 0))
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(let ((curwin (get-buffer-window)))
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(set-window-margins curwin width (cdr (window-margins curwin))))))
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(defsubst git-gutter:revision-set-p ()
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(and git-gutter:start-revision (not (string= git-gutter:start-revision ""))))
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(defun git-gutter:git-diff-arguments (file)
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(let (args)
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(unless (string= git-gutter:diff-option "")
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(setq args (nreverse (split-string git-gutter:diff-option))))
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(when (git-gutter:revision-set-p)
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(push git-gutter:start-revision args))
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(nreverse (cons file args))))
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(defun git-gutter:start-git-diff-process (file proc-buf)
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(let ((arg (git-gutter:git-diff-arguments file)))
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(apply #'start-file-process "git-gutter" proc-buf
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"git" "--no-pager" "-c" "diff.autorefreshindex=0"
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"diff" "--no-color" "--no-ext-diff" "--relative" "-U0"
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arg)))
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(defun git-gutter:svn-diff-arguments (file)
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(let (args)
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(unless (string= git-gutter:subversion-diff-option "")
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(setq args (nreverse (split-string git-gutter:subversion-diff-option))))
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(when (git-gutter:revision-set-p)
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(push "-r" args)
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(push git-gutter:start-revision args))
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(nreverse (cons file args))))
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(defsubst git-gutter:start-svn-diff-process (file proc-buf)
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(let ((args (git-gutter:svn-diff-arguments file)))
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(apply #'start-file-process "git-gutter" proc-buf "svn" "diff" "--diff-cmd"
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"diff" "-x" "-U0" args)))
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(defun git-gutter:hg-diff-arguments (file)
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(let (args)
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(unless (string= git-gutter:mercurial-diff-option "")
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(setq args (nreverse (split-string git-gutter:mercurial-diff-option))))
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(when (git-gutter:revision-set-p)
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(push "-r" args)
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(push git-gutter:start-revision args))
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(nreverse (cons file args))))
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(defsubst git-gutter:start-hg-diff-process (file proc-buf)
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(let ((args (git-gutter:hg-diff-arguments file))
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(process-environment (cons "HGPLAIN=1" process-environment)))
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(apply #'start-file-process "git-gutter" proc-buf "hg" "diff" "-U0" args)))
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(defun git-gutter:bzr-diff-arguments (file)
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(let (args)
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(unless (string= git-gutter:bazaar-diff-option "")
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(setq args (nreverse (split-string git-gutter:bazaar-diff-option))))
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(when (git-gutter:revision-set-p)
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(push "-r" args)
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(push git-gutter:start-revision args))
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(nreverse (cons file args))))
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(defsubst git-gutter:start-bzr-diff-process (file proc-buf)
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(let ((args (git-gutter:bzr-diff-arguments file)))
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(apply #'start-file-process "git-gutter" proc-buf
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"bzr" "diff" "--context=0" args)))
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(defun git-gutter:start-diff-process1 (file proc-buf)
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(cl-case git-gutter:vcs-type
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(git (git-gutter:start-git-diff-process file proc-buf))
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(svn (git-gutter:start-svn-diff-process file proc-buf))
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(hg (git-gutter:start-hg-diff-process file proc-buf))
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(bzr (git-gutter:start-bzr-diff-process file proc-buf))))
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(defun git-gutter:start-diff-process (curfile proc-buf)
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(git-gutter:set-window-margin (git-gutter:window-margin))
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(let ((file (git-gutter:base-file)) ;; for tramp
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(curbuf (current-buffer))
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(process (git-gutter:start-diff-process1 curfile proc-buf)))
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(set-process-query-on-exit-flag process nil)
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(set-process-sentinel
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process
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(lambda (proc _event)
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(when (eq (process-status proc) 'exit)
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(setq git-gutter:enabled nil)
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(let ((diffinfos (git-gutter:process-diff-output (process-buffer proc))))
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(when (buffer-live-p curbuf)
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(with-current-buffer curbuf
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(git-gutter:update-diffinfo diffinfos)
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(when git-gutter:has-indirect-buffers
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(git-gutter:update-indirect-buffers file))
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(setq git-gutter:enabled t)))
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(kill-buffer proc-buf)))))))
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(defsubst git-gutter:gutter-seperator ()
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(when git-gutter:separator-sign
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(propertize git-gutter:separator-sign 'face 'git-gutter:separator)))
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(defun git-gutter:before-string (sign)
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(let ((gutter-sep (concat sign (git-gutter:gutter-seperator))))
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(propertize " " 'display `((margin left-margin) ,gutter-sep))))
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(defun git-gutter:propertized-sign (type)
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(let (sign face)
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(cl-case type
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(added (setq sign git-gutter:added-sign
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face 'git-gutter:added))
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(modified (setq sign git-gutter:modified-sign
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face 'git-gutter:modified))
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(deleted (setq sign git-gutter:deleted-sign
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face 'git-gutter:deleted)))
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(when (get-text-property 0 'face sign)
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(setq face (append
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(get-text-property 0 'face sign)
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`(:inherit ,face))))
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(propertize sign 'face face)))
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(defsubst git-gutter:linum-get-overlay (pos)
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(cl-loop for ov in (overlays-in pos pos)
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when (overlay-get ov 'linum-str)
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return ov))
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(defun git-gutter:put-signs-linum (sign points)
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(dolist (pos points)
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(git-gutter:awhen (git-gutter:linum-get-overlay pos)
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(overlay-put it 'before-string
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(propertize " "
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'display
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`((margin left-margin)
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,(concat sign (overlay-get it 'linum-str))))))))
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(defun git-gutter:put-signs (sign points)
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(if git-gutter:linum-enabled
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(git-gutter:put-signs-linum sign points)
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(dolist (pos points)
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(let ((ov (make-overlay pos pos))
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(gutter-sign (git-gutter:before-string sign)))
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(overlay-put ov 'before-string gutter-sign)
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(overlay-put ov 'git-gutter t)))))
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(defsubst git-gutter:sign-width (sign)
|
|
(cl-loop for s across sign
|
|
sum (char-width s)))
|
|
|
|
(defun git-gutter:longest-sign-width ()
|
|
(let ((signs (list git-gutter:modified-sign
|
|
git-gutter:added-sign
|
|
git-gutter:deleted-sign)))
|
|
(when git-gutter:unchanged-sign
|
|
(push git-gutter:unchanged-sign signs))
|
|
(+ (apply #'max (mapcar 'git-gutter:sign-width signs))
|
|
(git-gutter:sign-width git-gutter:separator-sign))))
|
|
|
|
(defun git-gutter:next-visual-line (arg)
|
|
(let ((line-move-visual t))
|
|
(with-no-warnings
|
|
(next-line arg))))
|
|
|
|
(defun git-gutter:view-for-unchanged ()
|
|
(save-excursion
|
|
(let ((sign (if git-gutter:unchanged-sign
|
|
(propertize git-gutter:unchanged-sign
|
|
'face 'git-gutter:unchanged)
|
|
" "))
|
|
(move-fn (if git-gutter:visual-line
|
|
#'git-gutter:next-visual-line
|
|
#'forward-line))
|
|
points)
|
|
(goto-char (point-min))
|
|
(while (not (eobp))
|
|
(push (point) points)
|
|
(funcall move-fn 1))
|
|
(git-gutter:put-signs sign points))))
|
|
|
|
(defsubst git-gutter:check-file-and-directory ()
|
|
(and (git-gutter:base-file)
|
|
default-directory (file-directory-p default-directory)))
|
|
|
|
(defun git-gutter:pre-command-hook ()
|
|
(unless (memq this-command git-gutter:ignore-commands)
|
|
(setq git-gutter:real-this-command this-command)))
|
|
|
|
(defun git-gutter:update-other-window-buffers (curwin curbuf)
|
|
(save-selected-window
|
|
(cl-loop for win in (window-list)
|
|
unless (eq win curwin)
|
|
do
|
|
(progn
|
|
(select-window win)
|
|
(let ((win-width (window-margins win)))
|
|
(unless (car win-width)
|
|
(if (eq (current-buffer) curbuf)
|
|
(git-gutter:set-window-margin (git-gutter:window-margin))
|
|
(git-gutter:update-diffinfo git-gutter:diffinfos))))))))
|
|
|
|
(defun git-gutter:post-command-hook ()
|
|
(cond ((memq git-gutter:real-this-command git-gutter:update-commands)
|
|
(git-gutter))
|
|
((memq git-gutter:real-this-command git-gutter:update-windows-commands)
|
|
(git-gutter)
|
|
(unless global-linum-mode
|
|
(git-gutter:update-other-window-buffers (selected-window)
|
|
(current-buffer))))))
|
|
|
|
(defsubst git-gutter:diff-process-buffer (curfile)
|
|
(concat " *git-gutter-" curfile "-*"))
|
|
|
|
(defun git-gutter:kill-buffer-hook ()
|
|
(let ((buf (git-gutter:diff-process-buffer (git-gutter:base-file))))
|
|
(git-gutter:awhen (get-buffer buf)
|
|
(kill-buffer it))))
|
|
|
|
(defsubst git-gutter:linum-padding ()
|
|
(cl-loop repeat (git-gutter:window-margin)
|
|
collect " " into paddings
|
|
finally return (apply #'concat paddings)))
|
|
|
|
(defun git-gutter:linum-prepend-spaces ()
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(let ((padding (git-gutter:linum-padding))
|
|
points)
|
|
(while (not (eobp))
|
|
(push (point) points)
|
|
(forward-line 1))
|
|
(git-gutter:put-signs-linum padding points))))
|
|
|
|
(defun git-gutter:linum-update (diffinfos)
|
|
(let ((linum-width (car (window-margins))))
|
|
(when linum-width
|
|
(git-gutter:linum-prepend-spaces)
|
|
(git-gutter:view-set-overlays diffinfos)
|
|
(let ((curwin (get-buffer-window))
|
|
(margin (+ linum-width (git-gutter:window-margin))))
|
|
(setq git-gutter:linum-prev-window-margin margin)
|
|
(set-window-margins curwin margin (cdr (window-margins curwin)))))))
|
|
|
|
(defun git-gutter:linum-init ()
|
|
(setq-local git-gutter:linum-enabled t)
|
|
(make-local-variable 'git-gutter:linum-prev-window-margin))
|
|
|
|
;;;###autoload
|
|
(defun git-gutter:linum-setup ()
|
|
"Setup for linum-mode."
|
|
(setq git-gutter:init-function 'git-gutter:linum-init
|
|
git-gutter:view-diff-function nil)
|
|
(defadvice linum-update-window (after git-gutter:linum-update-window activate)
|
|
(when git-gutter:display-p
|
|
(if (and git-gutter-mode git-gutter:diffinfos)
|
|
(git-gutter:linum-update git-gutter:diffinfos)
|
|
(let ((curwin (get-buffer-window))
|
|
(margin (or git-gutter:linum-prev-window-margin
|
|
(car (window-margins)))))
|
|
(set-window-margins curwin margin (cdr (window-margins curwin))))))))
|
|
|
|
(defun git-gutter:show-backends ()
|
|
(mapconcat (lambda (backend)
|
|
(capitalize (symbol-name backend)))
|
|
git-gutter:handled-backends "/"))
|
|
|
|
;;;###autoload
|
|
(define-minor-mode git-gutter-mode
|
|
"Git-Gutter mode"
|
|
:init-value nil
|
|
:global nil
|
|
:lighter git-gutter:lighter
|
|
(if git-gutter-mode
|
|
(if (and (git-gutter:check-file-and-directory)
|
|
(git-gutter:in-repository-p))
|
|
(progn
|
|
(when git-gutter:init-function
|
|
(funcall git-gutter:init-function))
|
|
(make-local-variable 'git-gutter:enabled)
|
|
(setq-local git-gutter:has-indirect-buffers nil)
|
|
(make-local-variable 'git-gutter:diffinfos)
|
|
;;(setq-local git-gutter:start-revision nil)
|
|
(add-hook 'kill-buffer-hook 'git-gutter:kill-buffer-hook nil t)
|
|
(add-hook 'pre-command-hook 'git-gutter:pre-command-hook)
|
|
(add-hook 'post-command-hook 'git-gutter:post-command-hook nil t)
|
|
(dolist (hook git-gutter:update-hooks)
|
|
(add-hook hook 'git-gutter nil t))
|
|
(git-gutter)
|
|
(when (and (not git-gutter:update-timer)
|
|
(> git-gutter:update-interval 0))
|
|
(setq git-gutter:update-timer
|
|
(run-with-idle-timer
|
|
git-gutter:update-interval t 'git-gutter:live-update))))
|
|
(when (> git-gutter:verbosity 2)
|
|
(message "Here is not %s work tree" (git-gutter:show-backends)))
|
|
(git-gutter-mode -1))
|
|
(remove-hook 'kill-buffer-hook 'git-gutter:kill-buffer-hook t)
|
|
(remove-hook 'pre-command-hook 'git-gutter:pre-command-hook)
|
|
(remove-hook 'post-command-hook 'git-gutter:post-command-hook t)
|
|
(dolist (hook git-gutter:update-hooks)
|
|
(remove-hook hook 'git-gutter t))
|
|
(git-gutter:clear-gutter)))
|
|
|
|
(defun git-gutter--turn-on ()
|
|
(when (and (buffer-file-name)
|
|
(not (memq major-mode git-gutter:disabled-modes)))
|
|
(git-gutter-mode +1)))
|
|
|
|
;;;###autoload
|
|
(define-global-minor-mode global-git-gutter-mode git-gutter-mode git-gutter--turn-on)
|
|
|
|
(defsubst git-gutter:show-gutter-p (diffinfos)
|
|
(if git-gutter:hide-gutter
|
|
(or diffinfos git-gutter:unchanged-sign)
|
|
(or global-git-gutter-mode git-gutter:unchanged-sign diffinfos)))
|
|
|
|
(defun git-gutter:show-gutter (diffinfos)
|
|
(when (git-gutter:show-gutter-p diffinfos)
|
|
(git-gutter:set-window-margin (git-gutter:window-margin))))
|
|
|
|
(defun git-gutter:view-set-overlays (diffinfos)
|
|
(when (or git-gutter:unchanged-sign git-gutter:separator-sign)
|
|
(git-gutter:view-for-unchanged))
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(cl-loop with curline = 1
|
|
with move-fn = (if git-gutter:visual-line
|
|
#'git-gutter:next-visual-line
|
|
#'forward-line)
|
|
|
|
for info in diffinfos
|
|
for start-line = (git-gutter-hunk-start-line info)
|
|
for end-line = (git-gutter-hunk-end-line info)
|
|
for type = (git-gutter-hunk-type info)
|
|
for sign = (git-gutter:propertized-sign type)
|
|
for points = nil
|
|
do
|
|
(let ((bound (progn
|
|
(forward-line (- end-line curline))
|
|
(point))))
|
|
(forward-line (- start-line end-line))
|
|
(cl-case type
|
|
((modified added)
|
|
(while (and (<= (point) bound) (not (eobp)))
|
|
(push (point) points)
|
|
(funcall move-fn 1))
|
|
(git-gutter:put-signs sign points))
|
|
(deleted
|
|
(git-gutter:put-signs sign (list (point)))
|
|
(forward-line 1)))
|
|
(setq curline (1+ end-line))))))
|
|
|
|
(defun git-gutter:view-diff-infos (diffinfos)
|
|
(when (or diffinfos git-gutter:always-show-separator)
|
|
(git-gutter:view-set-overlays diffinfos))
|
|
(git-gutter:show-gutter diffinfos))
|
|
|
|
(defsubst git-gutter:reset-window-margin-p ()
|
|
(or git-gutter:hide-gutter (not global-git-gutter-mode)))
|
|
|
|
(defun git-gutter:clear-diff-infos ()
|
|
(when (git-gutter:reset-window-margin-p)
|
|
(git-gutter:set-window-margin 0))
|
|
(remove-overlays (point-min) (point-max) 'git-gutter t))
|
|
|
|
(defun git-gutter:clear-gutter ()
|
|
(save-restriction
|
|
(widen)
|
|
(when git-gutter:clear-function
|
|
(funcall git-gutter:clear-function)))
|
|
(setq git-gutter:enabled nil
|
|
git-gutter:diffinfos nil))
|
|
|
|
(defun git-gutter:update-diffinfo (diffinfos)
|
|
(save-restriction
|
|
(widen)
|
|
(git-gutter:clear-gutter)
|
|
(setq git-gutter:diffinfos diffinfos)
|
|
(when (and git-gutter:display-p git-gutter:view-diff-function)
|
|
(funcall git-gutter:view-diff-function diffinfos))))
|
|
|
|
(defun git-gutter:search-near-diff-index (diffinfos is-reverse)
|
|
(cl-loop with current-line = (line-number-at-pos)
|
|
with cmp-fn = (if is-reverse #'> #'<)
|
|
for diffinfo in (if is-reverse (reverse diffinfos) diffinfos)
|
|
for index = 0 then (1+ index)
|
|
for start-line = (git-gutter-hunk-start-line diffinfo)
|
|
when (funcall cmp-fn current-line start-line)
|
|
return (if is-reverse
|
|
(1- (- (length diffinfos) index))
|
|
index)))
|
|
|
|
(defun git-gutter:search-here-diffinfo (diffinfos)
|
|
(save-restriction
|
|
(widen)
|
|
(cl-loop with current-line = (line-number-at-pos)
|
|
for diffinfo in diffinfos
|
|
for start = (git-gutter-hunk-start-line diffinfo)
|
|
for end = (or (git-gutter-hunk-end-line diffinfo) (1+ start))
|
|
when (and (>= current-line start) (<= current-line end))
|
|
return diffinfo
|
|
finally do (error "Here is not changed!!"))))
|
|
|
|
(defun git-gutter:collect-deleted-line (str)
|
|
(with-temp-buffer
|
|
(insert str)
|
|
(goto-char (point-min))
|
|
(cl-loop while (re-search-forward "^-\\(.*?\\)$" nil t)
|
|
collect (match-string 1) into deleted-lines
|
|
finally return deleted-lines)))
|
|
|
|
(defun git-gutter:delete-added-lines (start-line end-line)
|
|
(forward-line (1- start-line))
|
|
(let ((start-point (point)))
|
|
(forward-line (1+ (- end-line start-line)))
|
|
(delete-region start-point (point))))
|
|
|
|
(defun git-gutter:insert-deleted-lines (content)
|
|
(dolist (line (git-gutter:collect-deleted-line content))
|
|
(insert (concat line "\n"))))
|
|
|
|
(defsubst git-gutter:delete-from-first-line-p (start-line end-line)
|
|
(and (not (= start-line 1)) (not (= end-line 1))))
|
|
|
|
(defun git-gutter:do-revert-hunk (diffinfo)
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(let ((start-line (git-gutter-hunk-start-line diffinfo))
|
|
(end-line (git-gutter-hunk-end-line diffinfo))
|
|
(content (git-gutter-hunk-content diffinfo)))
|
|
(cl-case (git-gutter-hunk-type diffinfo)
|
|
(added (git-gutter:delete-added-lines start-line end-line))
|
|
(deleted (when (git-gutter:delete-from-first-line-p start-line end-line)
|
|
(forward-line start-line))
|
|
(git-gutter:insert-deleted-lines content))
|
|
(modified (git-gutter:delete-added-lines start-line end-line)
|
|
(git-gutter:insert-deleted-lines content))))))
|
|
|
|
(defsubst git-gutter:popup-buffer-window ()
|
|
(get-buffer-window (get-buffer git-gutter:popup-buffer)))
|
|
|
|
(defun git-gutter:query-action (action action-fn update-fn)
|
|
(git-gutter:awhen (git-gutter:search-here-diffinfo git-gutter:diffinfos)
|
|
(save-window-excursion
|
|
(when git-gutter:ask-p
|
|
(git-gutter:popup-hunk it))
|
|
(when (or (not git-gutter:ask-p)
|
|
(yes-or-no-p (format "%s current hunk ? " action)))
|
|
(funcall action-fn it)
|
|
(funcall update-fn))
|
|
(if git-gutter:ask-p
|
|
(delete-window (git-gutter:popup-buffer-window))
|
|
(message "%s current hunk." action)))))
|
|
|
|
(defun git-gutter:revert-hunk ()
|
|
"Revert current hunk."
|
|
(interactive)
|
|
(git-gutter:query-action "Revert" #'git-gutter:do-revert-hunk #'save-buffer))
|
|
|
|
(defun git-gutter:extract-hunk-header ()
|
|
(git-gutter:awhen (git-gutter:base-file)
|
|
(with-temp-buffer
|
|
(when (zerop (git-gutter:execute-command
|
|
"git" t "--no-pager" "-c" "diff.autorefreshindex=0"
|
|
"diff" "--no-color" "--no-ext-diff"
|
|
"--relative" (file-name-nondirectory it)))
|
|
(goto-char (point-min))
|
|
(forward-line 4)
|
|
(buffer-substring-no-properties (point-min) (point))))))
|
|
|
|
(defvar git-gutter:git-hunk-header-regexp
|
|
"^@@ -\\([0-9]+\\),?\\([0-9]*\\) \\+\\([0-9]+\\),?\\([0-9]*\\) @@"
|
|
"Parse git hunk header.")
|
|
|
|
(defun git-gutter:read-hunk-header (header)
|
|
(when (string-match git-gutter:git-hunk-header-regexp header)
|
|
(list (string-to-number (match-string 1 header))
|
|
(git-gutter:changes-to-number (match-string 2 header))
|
|
(string-to-number (match-string 3 header))
|
|
(git-gutter:changes-to-number (match-string 4 header)))))
|
|
|
|
(defun git-gutter:convert-hunk-header (type)
|
|
(let ((header (buffer-substring-no-properties (point) (line-end-position))))
|
|
(delete-region (point) (line-end-position))
|
|
(cl-destructuring-bind
|
|
(orig-line orig-changes new-line new-changes)
|
|
(git-gutter:read-hunk-header header)
|
|
(cl-case type
|
|
(added (setq new-line (1+ orig-line)))
|
|
(t (setq new-line orig-line)))
|
|
(let ((new-header (format "@@ -%d,%d +%d,%d @@"
|
|
orig-line orig-changes new-line new-changes)))
|
|
(insert new-header)))))
|
|
|
|
(defun git-gutter:insert-staging-hunk (hunk type)
|
|
(save-excursion
|
|
(insert hunk "\n"))
|
|
(git-gutter:convert-hunk-header type))
|
|
|
|
(defun git-gutter:apply-directory-option ()
|
|
(let ((root (locate-dominating-file default-directory ".git")))
|
|
(file-name-directory (file-relative-name (git-gutter:base-file) root))))
|
|
|
|
(defun git-gutter:do-stage-hunk (diff-info)
|
|
(let ((content (git-gutter-hunk-content diff-info))
|
|
(type (git-gutter-hunk-type diff-info))
|
|
(header (git-gutter:extract-hunk-header))
|
|
(patch (make-temp-name "git-gutter")))
|
|
(when header
|
|
(with-temp-file patch
|
|
(insert header)
|
|
(git-gutter:insert-staging-hunk content type))
|
|
(let ((dir-option (git-gutter:apply-directory-option))
|
|
(options (list "--cached" patch)))
|
|
(when dir-option
|
|
(setq options (cons "--directory" (cons dir-option options))))
|
|
(unless (zerop (apply #'git-gutter:execute-command
|
|
"git" nil "apply" "--unidiff-zero"
|
|
options))
|
|
(message "Failed: stating this hunk"))
|
|
(delete-file patch)))))
|
|
|
|
(defun git-gutter:stage-hunk ()
|
|
"Stage this hunk like 'git add -p'."
|
|
(interactive)
|
|
(git-gutter:query-action "Stage" #'git-gutter:do-stage-hunk #'git-gutter))
|
|
|
|
(defsubst git-gutter:line-point (line)
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(forward-line (1- line))
|
|
(point)))
|
|
|
|
(defun git-gutter:mark-hunk ()
|
|
(interactive)
|
|
(git-gutter:awhen (git-gutter:search-here-diffinfo git-gutter:diffinfos)
|
|
(let ((start (git-gutter:line-point (git-gutter-hunk-start-line it)))
|
|
(end (git-gutter:line-point (1+ (git-gutter-hunk-end-line it)))))
|
|
(goto-char start)
|
|
(push-mark end nil t))))
|
|
|
|
(defun git-gutter:update-popuped-buffer (diffinfo)
|
|
(with-current-buffer (get-buffer-create git-gutter:popup-buffer)
|
|
(view-mode -1)
|
|
(setq buffer-read-only nil)
|
|
(erase-buffer)
|
|
(insert (git-gutter-hunk-content diffinfo))
|
|
(insert "\n")
|
|
(goto-char (point-min))
|
|
(diff-mode)
|
|
(view-mode +1)
|
|
(current-buffer)))
|
|
|
|
(defun git-gutter:popup-hunk (&optional diffinfo)
|
|
"Popup current diff hunk."
|
|
(interactive)
|
|
(git-gutter:awhen (or diffinfo
|
|
(git-gutter:search-here-diffinfo git-gutter:diffinfos))
|
|
(save-selected-window
|
|
(pop-to-buffer (git-gutter:update-popuped-buffer it)))))
|
|
|
|
(defun git-gutter:next-hunk (arg)
|
|
"Move to next diff hunk"
|
|
(interactive "p")
|
|
(if (not git-gutter:diffinfos)
|
|
(when (> git-gutter:verbosity 3)
|
|
(message "There are no changes!!"))
|
|
(save-restriction
|
|
(widen)
|
|
(let* ((is-reverse (< arg 0))
|
|
(diffinfos git-gutter:diffinfos)
|
|
(len (length diffinfos))
|
|
(index (git-gutter:search-near-diff-index diffinfos is-reverse))
|
|
(real-index (if index
|
|
(let ((next (if is-reverse (1+ index) (1- index))))
|
|
(mod (+ arg next) len))
|
|
(if is-reverse (1- len) 0)))
|
|
(diffinfo (nth real-index diffinfos)))
|
|
(goto-char (point-min))
|
|
(forward-line (1- (git-gutter-hunk-start-line diffinfo)))
|
|
(when (> git-gutter:verbosity 0)
|
|
(message "Move to %d/%d hunk" (1+ real-index) len))
|
|
(when (buffer-live-p (get-buffer git-gutter:popup-buffer))
|
|
(git-gutter:update-popuped-buffer diffinfo))))))
|
|
|
|
(defun git-gutter:previous-hunk (arg)
|
|
"Move to previous diff hunk"
|
|
(interactive "p")
|
|
(git-gutter:next-hunk (- arg)))
|
|
|
|
(defun git-gutter:end-of-hunk ()
|
|
"Move to end of current diff hunk"
|
|
(interactive)
|
|
(git-gutter:awhen (git-gutter:search-here-diffinfo git-gutter:diffinfos)
|
|
(let ((lines (- (git-gutter-hunk-end-line it) (line-number-at-pos))))
|
|
(forward-line lines))))
|
|
|
|
(defalias 'git-gutter:next-diff 'git-gutter:next-hunk)
|
|
(make-obsolete 'git-gutter:next-diff 'git-gutter:next-hunk "0.60")
|
|
(defalias 'git-gutter:previous-diff 'git-gutter:previous-hunk)
|
|
(make-obsolete 'git-gutter:previous-diff 'git-gutter:previous-hunk "0.60")
|
|
(defalias 'git-gutter:popup-diff 'git-gutter:popup-hunk)
|
|
(make-obsolete 'git-gutter:popup-diff 'git-gutter:popup-hunk "0.60")
|
|
|
|
(defun git-gutter:update-indirect-buffers (orig-file)
|
|
(cl-loop with diffinfos = git-gutter:diffinfos
|
|
for win in (window-list)
|
|
for buf = (window-buffer win)
|
|
for base = (buffer-base-buffer buf)
|
|
when (and base (string= (buffer-file-name base) orig-file))
|
|
do
|
|
(with-current-buffer buf
|
|
(git-gutter:update-diffinfo diffinfos))))
|
|
|
|
;;;###autoload
|
|
(defun git-gutter ()
|
|
"Show diff information in gutter"
|
|
(interactive)
|
|
(when (or git-gutter:vcs-type (git-gutter:in-repository-p))
|
|
(let* ((file (git-gutter:base-file))
|
|
(proc-buf (git-gutter:diff-process-buffer file)))
|
|
(when (and (called-interactively-p 'interactive) (get-buffer proc-buf))
|
|
(kill-buffer proc-buf))
|
|
(when (and file (file-exists-p file) (not (get-buffer proc-buf)))
|
|
(git-gutter:start-diff-process (file-name-nondirectory file)
|
|
(get-buffer-create proc-buf))))))
|
|
|
|
(defadvice make-indirect-buffer (before git-gutter:has-indirect-buffers activate)
|
|
(when (and git-gutter-mode (not (buffer-base-buffer)))
|
|
(setq git-gutter:has-indirect-buffers t)))
|
|
|
|
(defadvice vc-revert (after git-gutter:vc-revert activate)
|
|
(when git-gutter-mode
|
|
(run-with-idle-timer 0.1 nil 'git-gutter)))
|
|
|
|
(defadvice toggle-truncate-lines (after git-gutter:toggle-truncate-lines activate)
|
|
(when (and git-gutter-mode git-gutter:visual-line)
|
|
(run-with-idle-timer 0.1 nil 'git-gutter)))
|
|
|
|
;; `quit-window' and `switch-to-buffer' are called from other
|
|
;; commands. So we should use `defadvice' instead of `post-command-hook'.
|
|
(defadvice quit-window (after git-gutter:quit-window activate)
|
|
(when git-gutter-mode
|
|
(git-gutter)))
|
|
|
|
(defadvice switch-to-buffer (after git-gutter:switch-to-buffer activate)
|
|
(when git-gutter-mode
|
|
(git-gutter)))
|
|
|
|
(defun git-gutter:clear ()
|
|
"Clear diff information in gutter."
|
|
(interactive)
|
|
(git-gutter-mode -1))
|
|
(make-obsolete 'git-gutter:clear #'git-gutter-mode "0.86")
|
|
|
|
;;;###autoload
|
|
(defun git-gutter:toggle ()
|
|
"Toggle to show diff information."
|
|
(interactive)
|
|
(if git-gutter-mode
|
|
(git-gutter-mode -1)
|
|
(git-gutter-mode +1)))
|
|
(make-obsolete 'git-gutter:toggle #'git-gutter-mode "0.86")
|
|
|
|
(defun git-gutter:revision-valid-p (revision)
|
|
(zerop (cl-case git-gutter:vcs-type
|
|
(git (git-gutter:execute-command "git" nil
|
|
"rev-parse" "--quiet" "--verify"
|
|
revision))
|
|
(svn (git-gutter:execute-command "svn" nil "info" "-r" revision
|
|
(file-relative-name (buffer-file-name))))
|
|
(hg (git-gutter:execute-command "hg" nil "id" "-r" revision))
|
|
(bzr (git-gutter:execute-command "bzr" nil
|
|
"revno" "-r" revision)))))
|
|
|
|
(defun git-gutter:set-start-revision (start-rev)
|
|
"Set start revision. If `start-rev' is nil or empty string then reset
|
|
start revision."
|
|
(interactive
|
|
(list (read-string "Start Revision: "
|
|
nil 'git-gutter:revision-history)))
|
|
(when (and start-rev (not (string= start-rev "")))
|
|
(unless (git-gutter:revision-valid-p start-rev)
|
|
(error "Revision '%s' is not valid." start-rev)))
|
|
(setq git-gutter:start-revision start-rev)
|
|
(git-gutter))
|
|
|
|
(defun git-gutter:update-all-windows ()
|
|
"Update git-gutter information for all visible buffers."
|
|
(interactive)
|
|
(dolist (win (window-list))
|
|
(let ((buf (window-buffer win)))
|
|
(with-current-buffer buf
|
|
(when git-gutter-mode
|
|
(git-gutter))))))
|
|
|
|
(defun git-gutter:start-update-timer ()
|
|
(interactive)
|
|
(when git-gutter:update-timer
|
|
(error "Update timer is already running."))
|
|
(setq git-gutter:update-timer
|
|
(run-with-idle-timer git-gutter:update-interval t 'git-gutter:live-update)))
|
|
|
|
(defun git-gutter:cancel-update-timer ()
|
|
(interactive)
|
|
(unless git-gutter:update-timer
|
|
(error "Timer is no running."))
|
|
(cancel-timer git-gutter:update-timer)
|
|
(setq git-gutter:update-timer nil))
|
|
|
|
(defsubst git-gutter:write-current-content (tmpfile)
|
|
(let ((content (buffer-substring-no-properties (point-min) (point-max))))
|
|
(with-temp-file tmpfile
|
|
(insert content))))
|
|
|
|
(defsubst git-gutter:original-file-content (file)
|
|
(with-temp-buffer
|
|
(when (zerop (process-file "git" nil t nil "show" (concat ":" file)))
|
|
(buffer-substring-no-properties (point-min) (point-max)))))
|
|
|
|
(defun git-gutter:write-original-content (tmpfile filename)
|
|
(git-gutter:awhen (git-gutter:original-file-content filename)
|
|
(with-temp-file tmpfile
|
|
(insert it)
|
|
t)))
|
|
|
|
(defsubst git-gutter:start-raw-diff-process (proc-buf original now)
|
|
(start-file-process "git-gutter:update-timer" proc-buf
|
|
"diff" "-U0" original now))
|
|
|
|
(defun git-gutter:start-live-update (file original now)
|
|
(let ((proc-bufname (git-gutter:diff-process-buffer file)))
|
|
(when (get-buffer proc-bufname)
|
|
(kill-buffer proc-bufname))
|
|
(let* ((curbuf (current-buffer))
|
|
(proc-buf (get-buffer-create proc-bufname))
|
|
(process (git-gutter:start-raw-diff-process proc-buf original now)))
|
|
(set-process-query-on-exit-flag process nil)
|
|
(set-process-sentinel
|
|
process
|
|
(lambda (proc _event)
|
|
(when (eq (process-status proc) 'exit)
|
|
(setq git-gutter:enabled nil)
|
|
(let ((diffinfos (git-gutter:process-diff-output (process-buffer proc))))
|
|
(when (buffer-live-p curbuf)
|
|
(with-current-buffer curbuf
|
|
(git-gutter:update-diffinfo diffinfos)
|
|
(setq git-gutter:enabled t)))
|
|
(kill-buffer proc-buf)
|
|
(delete-file original)
|
|
(delete-file now))))))))
|
|
|
|
(defun git-gutter:should-update-p ()
|
|
(let ((sha1 (secure-hash 'sha1 (current-buffer))))
|
|
(unless (equal sha1 git-gutter:last-sha1)
|
|
(setq git-gutter:last-sha1 sha1))))
|
|
|
|
(defun git-gutter:git-root ()
|
|
(with-temp-buffer
|
|
(when (zerop (process-file "git" nil t nil "rev-parse" "--show-toplevel"))
|
|
(goto-char (point-min))
|
|
(file-name-as-directory
|
|
(buffer-substring-no-properties (point) (line-end-position))))))
|
|
|
|
(defun git-gutter:live-update ()
|
|
(git-gutter:awhen (git-gutter:base-file)
|
|
(when (and git-gutter:enabled
|
|
(buffer-modified-p)
|
|
(git-gutter:should-update-p))
|
|
(let ((file (file-name-nondirectory it))
|
|
(root (file-truename (git-gutter:git-root)))
|
|
(now (make-temp-file "git-gutter-cur"))
|
|
(original (make-temp-file "git-gutter-orig")))
|
|
(if (git-gutter:write-original-content original (file-relative-name it root))
|
|
(progn
|
|
(git-gutter:write-current-content now)
|
|
(git-gutter:start-live-update file original now))
|
|
(delete-file now)
|
|
(delete-file original))))))
|
|
|
|
;; for linum-user
|
|
(when (and global-linum-mode (not (boundp 'git-gutter-fringe)))
|
|
(git-gutter:linum-setup))
|
|
|
|
(defun git-gutter:all-hunks ()
|
|
"Cound unstaged hunks in all buffers"
|
|
(let ((sum 0))
|
|
(dolist (buf (buffer-list))
|
|
(with-current-buffer buf
|
|
(when git-gutter-mode
|
|
(cl-incf sum (git-gutter:buffer-hunks)))))
|
|
sum))
|
|
|
|
(defun git-gutter:buffer-hunks ()
|
|
"Count unstaged hunks in current buffer."
|
|
(length git-gutter:diffinfos))
|
|
|
|
(defun git-gutter:stat-hunk (hunk)
|
|
(cl-case (git-gutter-hunk-type hunk)
|
|
(modified (with-temp-buffer
|
|
(insert (git-gutter-hunk-content hunk))
|
|
(goto-char (point-min))
|
|
(let ((added 0)
|
|
(deleted 0))
|
|
(while (not (eobp))
|
|
(cond ((looking-at-p "\\+") (cl-incf added))
|
|
((looking-at-p "\\-") (cl-incf deleted)))
|
|
(forward-line 1))
|
|
(cons added deleted))))
|
|
(added (cons (- (git-gutter-hunk-end-line hunk)
|
|
(git-gutter-hunk-start-line hunk))
|
|
0))
|
|
(deleted (cons 0
|
|
(- (git-gutter-hunk-end-line hunk)
|
|
(git-gutter-hunk-start-line hunk))))))
|
|
|
|
(defun git-gutter:statistic ()
|
|
"Return statistic unstaged hunks in current buffer."
|
|
(interactive)
|
|
(cl-loop for hunk in git-gutter:diffinfos
|
|
for (add . del) = (git-gutter:stat-hunk hunk)
|
|
sum add into added
|
|
sum del into deleted
|
|
finally
|
|
return (progn
|
|
(when (called-interactively-p 'interactive)
|
|
(message "Added %d lines, Deleted %d lines" added deleted))
|
|
(cons added deleted))))
|
|
|
|
(provide 'git-gutter)
|
|
|
|
;;; git-gutter.el ends here
|
|
|
|
;; Local Variables:
|
|
;; fill-column: 85
|
|
;; indent-tabs-mode: nil
|
|
;; elisp-lint-indent-specs: ((git-gutter:awhen . 1))
|
|
;; End:
|