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Wrap some set-auto-mode calls with delay-mode-hooks (bug#39190)

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* lisp/gnus/mm-view.el (mm-display-inline-fontify):
* lisp/vc/diff-mode.el (diff-syntax-fontify-props):
* lisp/vc/vc.el (vc-find-revision-no-save):
Add delay-mode-hooks around set-auto-mode calls
to not run hooks that might assume buffer-file-name
really associates buffer with a file.
This commit is contained in:
Juri Linkov 2020-02-06 00:38:53 +02:00
parent 4a0a114505
commit 09eed01afb
3 changed files with 9 additions and 3 deletions
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4
lisp/gnus/mm-view.el
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@ -497,7 +497,9 @@ If MODE is not set, try to find mode automatically."
(let ((auto-mode-alist
(delq (rassq 'doc-view-mode-maybe auto-mode-alist)
(copy-sequence auto-mode-alist))))
(set-auto-mode)
;; Don't run hooks that might assume buffer-file-name
;; really associates buffer with a file (bug#39190).
(delay-mode-hooks (set-auto-mode))
(setq mode major-mode)))
;; Do not fontify if the guess mode is fundamental.
(unless (eq major-mode 'fundamental-mode)

4
lisp/vc/diff-mode.el
View file

@ -2719,7 +2719,9 @@ hunk text is not found in the source file."
(cl-assert (null buffer-file-name))
(let ((enable-local-variables :safe) ;; to find `mode:'
(buffer-file-name file))
(set-auto-mode)
;; Don't run hooks that might assume buffer-file-name
;; really associates buffer with a file (bug#39190).
(delay-mode-hooks (set-auto-mode))
;; FIXME: Is this really worth the trouble?
(when (and (fboundp 'generic-mode-find-file-hook)
(memq #'generic-mode-find-file-hook

4
lisp/vc/vc.el
View file

@ -2098,7 +2098,9 @@ Unlike `vc-find-revision-save', doesn't save the buffer to the file."
;; For non-interactive, skip any questions
(let ((enable-local-variables :safe) ;; to find `mode:'
(buffer-file-name file))
(ignore-errors (set-auto-mode)))
;; Don't run hooks that might assume buffer-file-name
;; really associates buffer with a file (bug#39190).
(ignore-errors (delay-mode-hooks (set-auto-mode))))
(normal-mode))
(set-buffer-modified-p nil)
(setq buffer-read-only t))