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-rw-r--r--guix/store.scm15
1 files changed, 13 insertions, 2 deletions
diff --git a/guix/store.scm b/guix/store.scm
index efba07bdcd..6bdd071b48 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -1337,7 +1337,17 @@ object, only for build requests on EXPECTED-STORE."
(if (and (eq? (store-connection-socket store)
(store-connection-socket expected-store))
(= mode (build-mode normal)))
- (unresolved things continue)
+ (begin
+ ;; Preserve caches accumulated up to this handler invocation.
+ (set-store-connection-caches! expected-store
+ (store-connection-caches store))
+
+ (unresolved things
+ (lambda (new-store value)
+ ;; Borrow caches from NEW-STORE.
+ (set-store-connection-caches!
+ store (store-connection-caches new-store))
+ (continue value))))
(continue #t))))
(define default-cutoff
@@ -1397,7 +1407,8 @@ CUTOFF is the threshold above which we stop accumulating unresolved nodes."
(if (unresolved? obj)
;; Pass #f because 'build-things' is now
;; unnecessary.
- ((unresolved-continuation obj) #f)
+ ((unresolved-continuation obj)
+ store #f)
obj))
result #:cutoff cutoff)
(map/accumulate-builds store proc rest #:cutoff cutoff)))))