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-rw-r--r--guix/store.scm18
1 files changed, 12 insertions, 6 deletions
diff --git a/guix/store.scm b/guix/store.scm
index 89a719bcfc..7388953d15 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -1349,11 +1349,14 @@ on the build output of a previous derivation."
(things unresolved-things)
(continuation unresolved-continuation))
-(define (build-accumulator continue store things mode)
- "This build handler accumulates THINGS and returns an <unresolved> object."
- (if (= mode (build-mode normal))
- (unresolved things continue)
- (continue #t)))
+(define (build-accumulator expected-store)
+ "Return a build handler that accumulates THINGS and returns an <unresolved>
+object, only for build requests on EXPECTED-STORE."
+ (lambda (continue store things mode)
+ (if (and (eq? store expected-store)
+ (= mode (build-mode normal)))
+ (unresolved things continue)
+ (continue #t))))
(define* (map/accumulate-builds store proc lst
#:key (cutoff 30))
@@ -1366,13 +1369,16 @@ CUTOFF is the threshold above which we stop accumulating unresolved nodes."
;; stumbling upon the same .drv build requests with many incoming edges.
;; See <https://bugs.gnu.org/49439>.
+ (define accumulator
+ (build-accumulator store))
+
(define-values (result rest)
(let loop ((lst lst)
(result '())
(unresolved 0))
(match lst
((head . tail)
- (match (with-build-handler build-accumulator
+ (match (with-build-handler accumulator
(proc head))
((? unresolved? obj)
(if (>= unresolved cutoff)