dev-langify
Matthew Butterick 6 years ago
parent 0051034553
commit 4c642a9c3b

@ -93,19 +93,19 @@
(define-values (cache-dir private-cache-dir) (make-cache-dirs dest-path))
(define-values (dest-path-dir dest-path-filename _) (split-path dest-path))
(define dest-file (build-path cache-dir (format "~a.rktd" dest-path-filename)))
(define (fetch-dest-file)
(define (generate-dest-file)
(write-to-file (path-hash-thunk) dest-file #:exists 'replace))
;; `cache-file` looks for a file in private-cache-dir previously cached with key
;; (which in this case carries modification dates and POLLEN env).
;; If a cached file is found, copies it to dest-file (which must not exist already, unless exists-ok? is true)
;; Otherwise, fetch-dest-file is called; if dest-file exists after calling fetch-dest-file,
;; Otherwise, generate-dest-file is called; if dest-file exists after calling fetch-dest-file,
;; it is copied to private-cache-dir and recorded with key.
(cache-file dest-file
#:exists-ok? #true
key
private-cache-dir
fetch-dest-file
generate-dest-file
#:notify-cache-use notify-proc
#:max-cache-size (setup:compile-cache-max-size))
(file->value dest-file))
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