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-rw-r--r--build-aux/hydra/gnu-system.scm17
1 files changed, 8 insertions, 9 deletions
diff --git a/build-aux/hydra/gnu-system.scm b/build-aux/hydra/gnu-system.scm
index c3cb9cc7fa..fb22396da9 100644
--- a/build-aux/hydra/gnu-system.scm
+++ b/build-aux/hydra/gnu-system.scm
@@ -253,15 +253,14 @@ valid."
(case subset
((all)
;; Build everything.
- (fold-packages (lambda (package result)
- (let ((job (package->job store package
- system)))
- (if job
- (cons job result)
- result)))
- (append (qemu-jobs store system)
- (tarball-jobs store system)
- (cross-jobs system))))
+ (let ((all (fold-packages cons '()))
+ (job (lambda (package)
+ (package->job store package
+ system))))
+ (append (filter-map job all)
+ (qemu-jobs store system)
+ (tarball-jobs store system)
+ (cross-jobs system))))
((core)
;; Build core packages only.
(append (map (lambda (package)