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lisp/files.el (require-with-check): Fix bug#74091.

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Stefan Monnier 2024-11-10 16:50:36 -05:00
parent 90c97d3fac
commit 3496234c8e
1 changed files with 6 additions and 5 deletions
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11
lisp/files.el
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@ -1280,7 +1280,7 @@ NOERROR is equal to `reload'), or otherwise emit a warning."
(let* ((fn (locate-file (or filename (symbol-name feature))
load-path (get-load-suffixes) nil
)) ;; load-prefer-newer
;; We used to look for `fn' in `load-history' with `assoc'
;; We used to look for `fn' in `load-history' with `assoc'
;; which works in most cases, but in some cases (e.g. when
;; `load-prefer-newer' is set) `locate-file' can return a
;; different file than the file that `require' would load,
@ -1288,10 +1288,11 @@ NOERROR is equal to `reload'), or otherwise emit a warning."
;; we did load "it". (bug#74040)
;; So use a "permissive" search which doesn't pay attention to
;; differences between file extensions.
(prefix (if (string-match
(concat (regexp-opt (get-load-suffixes)) "\\'") fn)
(concat (substring fn 0 (match-beginning 0)) ".")
fn))
(prefix (when fn
(if (string-match
(concat (regexp-opt (get-load-suffixes)) "\\'") fn)
(concat (substring fn 0 (match-beginning 0)) ".")
fn)))
(lh load-history))
(while (and lh (let ((file (car-safe (car lh))))
(not (and file (string-prefix-p prefix file)))))