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packages: Use separate package/graft cache. 

* guix/packages.scm (%package-graft-cache): New variable.
(input-graft): Add (=> %package-graft-cache).
This commit is contained in:
Ludovic Courtès 2022-05-13 09:01:16 +02:00
parent ba6ba1a5af
commit 001f4afd07
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1 changed files with 8 additions and 4 deletions
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guix/packages.scm
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@ -1618,6 +1618,11 @@ and return it."
(&package-error
(package package))))))))))))
(define %package-graft-cache
;; Cache mapping <package> records to <graft> records, for packages that
;; have a replacement.
(allocate-store-connection-cache 'package-graft-cache))
(define (input-graft system)
"Return a monadic procedure that, given a package with a graft, returns a
graft, and #f otherwise."
@ -1626,9 +1631,8 @@ graft, and #f otherwise."
(((? package? package) output)
(let ((replacement (package-replacement package)))
(if replacement
;; XXX: We should use a separate cache instead of abusing the
;; object cache.
(mcached (mlet %store-monad ((orig (package->derivation package system
(mcached eq? (=> %package-graft-cache)
(mlet %store-monad ((orig (package->derivation package system
#:graft? #f))
(new (package->derivation replacement system
#:graft? #t)))
@ -1637,7 +1641,7 @@ graft, and #f otherwise."
(origin-output output)
(replacement new)
(replacement-output output))))
package 'graft output system)
package output system)
(return #f))))
(_
(return #f)))))