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authorLudovic Courtès <ludo@gnu.org>2020-08-28 15:05:17 +0200
committerLudovic Courtès <ludo@gnu.org>2020-08-28 23:27:53 +0200
commit3d9ea605c8dfb7fc43689e12975218b032b3175a (patch)
tree5bd465a5cfa605ff65125db071e62f80246d16dd
parentb6308409206af78356ea7d1b2c4613ca1ee4315c (diff)
store: 'with-store' returns as many values as its body.
Fixes <https://bugs.gnu.org/42912>. Reported by Ricardo Wurmus <rekado@elephly.net>. * guix/store.scm (call-with-store)[thunk]: Wrap call to PROC in 'call-with-values'. * tests/store.scm ("with-store, multiple values"): New test.
-rw-r--r--guix/store.scm7
-rw-r--r--tests/store.scm9
2 files changed, 13 insertions, 3 deletions
diff --git a/guix/store.scm b/guix/store.scm
index 683e125b20..495dc1692c 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -628,9 +628,10 @@ connection. Use with care."
(define (thunk)
(parameterize ((current-store-protocol-version
(store-connection-version store)))
- (let ((result (proc store)))
- (close-connection store)
- result)))
+ (call-with-values (lambda () (proc store))
+ (lambda results
+ (close-connection store)
+ (apply values results)))))
(cond-expand
(guile-3
diff --git a/tests/store.scm b/tests/store.scm
index ee3e01f33b..e168d3dcf6 100644
--- a/tests/store.scm
+++ b/tests/store.scm
@@ -141,6 +141,15 @@
(string-append (%store-prefix) "/"
(make-string 32 #\e) "-foobar"))))
+(test-equal "with-store, multiple values" ;<https://bugs.gnu.org/42912>
+ '(1 2 3)
+ (call-with-values
+ (lambda ()
+ (with-store s
+ (add-text-to-store s "foo" "bar")
+ (values 1 2 3)))
+ list))
+
(test-assert "valid-path? error"
(with-store s
(guard (c ((store-protocol-error? c) #t))