6014a416b3
Magit would refuse to abort/commit rebases due to delete-trailing-whitespace in write-file-functions, placed there by editorconfig.
66 lines
2.9 KiB
EmacsLisp
66 lines
2.9 KiB
EmacsLisp
;;; tools/editorconfig/config.el -*- lexical-binding: t; -*-
|
|
|
|
;; editorconfig cannot procure the correct settings for extension-less files.
|
|
;; Executable scripts with a shebang line, for example. So why not use Emacs'
|
|
;; major mode to drop editorconfig a hint? This is accomplished by temporarily
|
|
;; appending an extension to `buffer-file-name' when we talk to editorconfig.
|
|
(defvar +editorconfig-mode-alist
|
|
'((sh-mode . "sh")
|
|
(python-mode . "py")
|
|
(ruby-mode . "rb")
|
|
(perl-mode . "pl")
|
|
(php-mode . "php"))
|
|
"An alist mapping major modes to extensions. Used by
|
|
`doom*editorconfig-smart-detection' to give editorconfig filetype hints.")
|
|
|
|
|
|
;; Handles whitespace (tabs/spaces) settings externally. This way projects can
|
|
;; specify their own formatting rules.
|
|
(def-package! editorconfig
|
|
:defer 2
|
|
:after-call (doom-before-switch-buffer after-find-file)
|
|
:config
|
|
;; Register missing indent variables
|
|
(unless (assq 'mips-mode editorconfig-indentation-alist)
|
|
(setq editorconfig-indentation-alist
|
|
(append '((mips-mode mips-tab-width)
|
|
(haxor-mode haxor-tab-width)
|
|
(nasm-mode nasm-basic-offset))
|
|
editorconfig-indentation-alist)))
|
|
|
|
(defun doom*editorconfig-smart-detection (orig-fn &rest args)
|
|
"Retrieve the properties for the current file. If it doesn't have an
|
|
extension, try to guess one."
|
|
(let ((buffer-file-name
|
|
(if (and (not (bound-and-true-p org-src-mode))
|
|
(file-name-extension buffer-file-name))
|
|
buffer-file-name
|
|
(format "%s%s" buffer-file-name
|
|
(if-let* ((ext (cdr (assq major-mode +editorconfig-mode-alist))))
|
|
(concat "." ext)
|
|
"")))))
|
|
(apply orig-fn args)))
|
|
(advice-add #'editorconfig-call-editorconfig-exec :around #'doom*editorconfig-smart-detection)
|
|
|
|
(defun +editorconfig|disable-indent-detection (props)
|
|
(when (or (gethash 'indent_style props)
|
|
(gethash 'indent_size props))
|
|
(setq doom-inhibit-indent-detection t)))
|
|
(add-hook 'editorconfig-custom-hooks #'+editorconfig|disable-indent-detection)
|
|
|
|
;; Editorconfig makes indentation too rigid in Lisp modes, so tell
|
|
;; editorconfig to ignore indentation there. I prefer dynamic indentation
|
|
;; support built into Emacs.
|
|
(dolist (mode '(emacs-lisp-mode lisp-mode))
|
|
(delq (assq mode editorconfig-indentation-alist)
|
|
editorconfig-indentation-alist))
|
|
|
|
(defun +editorconfig|disable-trim-whitespace-in-read-only-buffers (props)
|
|
"`delete-trailing-whitespace' can cause disruptive read-only errors. Prevent
|
|
it from being added to read-only buffers."
|
|
(when (and buffer-read-only (gethash 'trim_trailing_whitespace props))
|
|
(remove-hook 'write-file-functions #'delete-trailing-whitespace :local)))
|
|
(add-hook 'editorconfig-custom-hooks #'+editorconfig|disable-trim-whitespace-in-read-only-buffers)
|
|
|
|
;;
|
|
(editorconfig-mode +1))
|