From 671c5ed1596fd69a832a126c2efb5eaea17cf10f Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Fri, 21 May 2021 20:28:30 +0100
Subject: Return #f from datastore-find-derivation-outputs if none are found

As this is clearer than '().
---
 guix-build-coordinator/datastore/sqlite.scm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/guix-build-coordinator/datastore/sqlite.scm b/guix-build-coordinator/datastore/sqlite.scm
index 0f5ffd6..fd75d2e 100644
--- a/guix-build-coordinator/datastore/sqlite.scm
+++ b/guix-build-coordinator/datastore/sqlite.scm
@@ -2984,7 +2984,9 @@ WHERE derivation_id = :derivation_id"
                statement)))
          (sqlite-reset statement)
 
-         result)))))
+         (if (null? result)
+             #f
+             result))))))
 
 (define-method (datastore-list-unbuilt-derivation-outputs
                 (datastore <sqlite-datastore>)
-- 
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