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Correctly check buffer mtime when displaying xref matches

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This was just a typo: we were checking the modification time of
current-buffer instead of checking the modification time of the
passed-in buffer.

This caused matches to not be shown if they weren't present in
the current in-Emacs state of the buffer.

This was easily reproduced by writing a string to a file outside
Emacs, then searching for that string with
e.g. project-find-regexp.  The string would seemingly not be
found, although in reality it was found, just not displayed.

* lisp/progmodes/xref.el (xref--find-file-buffer):
Check buf, not current-buffer (bug#70008).
This commit is contained in:
Spencer Baugh 2024-03-26 08:44:25 -04:00 committed by Dmitry Gutov
parent 5a7c46355b
commit 5efa2ddf62
1 changed files with 1 additions and 1 deletions
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lisp/progmodes/xref.el
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@ -2176,7 +2176,7 @@ Such as the current syntax table and the applied syntax properties."
(or
(buffer-modified-p buf)
(unless xref--hits-remote-id
(not (verify-visited-file-modtime (current-buffer))))))
(not (verify-visited-file-modtime buf)))))
;; We can't use buffers whose contents diverge from disk (bug#54025).
(setq buf nil))
(setq xref--last-file-buffer (cons file buf))))