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[fixed] avoid index-file being locked due to recursive calling #230

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[fixed] avoid index-file being locked due to recursive calling #230

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25 changes: 17 additions & 8 deletions quicklisp/local-projects.lisp
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Original file line number Diff line number Diff line change
Expand Up @@ -91,14 +91,23 @@ and has a newer timestamp than PATHNAME."
(defun find-system-in-index (system index-file)
"If any system pathname in INDEX-FILE has a pathname-name matching
SYSTEM, return its full pathname."
(with-open-file (stream index-file)
(loop for namestring = (read-line stream nil)
while namestring
when (string= system (pathname-name namestring))
return (or (probe-file (merge-pathnames namestring index-file))
;; If the indexed .asd file doesn't exist anymore
;; then regenerate the index and restart the search.
(find-system-in-index system (make-system-index (directory-namestring index-file)))))))
(let ((matched-file
(with-open-file (stream index-file)
(loop for namestring = (let ((content (read-line stream nil)))
(if content
(string-trim '(#\Return #\Newline)
content)
content))
while namestring
when (string= system (pathname-name namestring))
return (merge-pathnames namestring index-file)))))
(when matched-file
(or (probe-file matched-file)
;; If the indexed .asd file doesn't exist anymore
;; then regenerate the index and restart the search.
(find-system-in-index
system
(make-system-index (uiop:pathname-directory-pathname index-file)))))))

(defun local-projects-searcher (system-name)
"This function is added to ASDF:*SYSTEM-DEFINITION-SEARCH-FUNCTIONS*
Expand Down