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;;; gitconfig-mode.el --- Major mode for editing .gitconfig files -*- lexical-binding:t -*-
;; Copyright (c) 2012-2013 Sebastian Wiesner
;; Copyright (C) 2012-2025 The Magit Project Contributors
;; Author: Sebastian Wiesner <lunaryorn@gmail.com>
;; Maintainer: Jonas Bernoulli <emacs.git-modes@jonas.bernoulli.dev>
;; Homepage: https://github.com/magit/git-modes
;; Version: 1.4.5
;; Keywords: convenience vc git
;; SPDX-License-Identifier: GPL-3.0-or-later
;; This file is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published
;; by the Free Software Foundation, either version 3 of the License,
;; or (at your option) any later version.
;;
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this file. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; A major mode for editing .gitconfig files.
;;; Code:
(require 'compat)
(require 'conf-mode)
(require 'rx)
(defun gitconfig-line-indented-p ()
"Return t if the current line is indented correctly."
(save-excursion
(beginning-of-line)
(or (looking-at (rx line-start "["
symbol-start
(minimal-match (zero-or-more not-newline))
symbol-end "]"))
(looking-at (concat (rx line-start)
(gitconfig-indentation-string)
(rx symbol-start (or (syntax word)
(syntax symbol)))))
(looking-at (rx (zero-or-one "\t") (or "#" ";"))))))
(defun gitconfig-point-in-indentation-p ()
"Return if the point is in the indentation of the current line."
(save-excursion
(let ((pos (point)))
(back-to-indentation)
(<= pos (point)))))
(defun gitconfig-indent-line ()
"Indent the current line."
(interactive)
(if (gitconfig-line-indented-p)
(when (gitconfig-point-in-indentation-p)
(back-to-indentation))
(let ((old-point (point-marker))
(was-in-indent (gitconfig-point-in-indentation-p)))
(beginning-of-line)
(delete-horizontal-space)
(unless (equal (char-after) ?\[)
(insert (gitconfig-indentation-string)))
(if was-in-indent
(back-to-indentation)
(goto-char (marker-position old-point)))
(set-marker old-point nil))))
(defun gitconfig-indentation-string ()
(if indent-tabs-mode "\t" (make-string tab-width ?\ )))
(defvar gitconfig-mode-syntax-table
(let ((table (make-syntax-table conf-unix-mode-syntax-table)))
;; ; is a comment in .gitconfig
(modify-syntax-entry ?\; "<" table)
;; ' is not used for string quoting
(modify-syntax-entry ?\' "." table)
table)
"Syntax table to use in .gitconfig buffers.")
(defvar gitconfig-mode-font-lock-keywords
`(
;; Highlight section and subsection gitconfig headers, and override
;; syntactic fontification in these.
(,(rx line-start (zero-or-more (syntax whitespace))
"[" symbol-start
(group (one-or-more (or (syntax word) (syntax symbol))))
symbol-end
(optional (one-or-more (syntax whitespace))
(group (syntax string-quote)
(minimal-match (one-or-more not-newline))
(syntax string-quote)))
"]" (zero-or-more not-newline) line-end)
(1 'font-lock-type-face t nil)
(2 'font-lock-function-name-face t t))
(,(rx line-start (zero-or-more (syntax whitespace)) symbol-start
(group alphanumeric
(zero-or-more (or (syntax word) (syntax symbol))))
symbol-end (zero-or-more (syntax whitespace))
(optional "=" (zero-or-more not-newline)) line-end)
(1 'font-lock-variable-name-face))
;; Highlight booleans and numbers
(,(rx "="
(zero-or-more (syntax whitespace)) word-start
(group (or "yes" "no" "true" "false" "on" "off"))
word-end (zero-or-more (syntax whitespace)) line-end)
(1 'font-lock-keyword-face))
(,(rx "="
(zero-or-more (syntax whitespace)) word-start
(group (one-or-more digit))
word-end (zero-or-more (syntax whitespace)) line-end)
(1 'font-lock-constant-face))))
;;;###autoload
(define-derived-mode gitconfig-mode conf-unix-mode "Gitconfig"
"A major mode for editing .gitconfig files."
;; .gitconfig is indented with tabs only
(conf-mode-initialize "#" gitconfig-mode-font-lock-keywords)
(setq indent-tabs-mode t)
(setq-local indent-line-function 'gitconfig-indent-line))
;;;###autoload
(dolist (pattern '("/\\.gitconfig\\'" "/\\.git/config\\'"
"/modules/.*/config\\'" "/git/config\\'"
"/\\.gitmodules\\'" "/etc/gitconfig\\'"))
(add-to-list 'auto-mode-alist (cons pattern 'gitconfig-mode)))
;;; _
(provide 'gitconfig-mode)
;; Local Variables:
;; indent-tabs-mode: nil
;; End:
;;; gitconfig-mode.el ends here
|
