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-rw-r--r--guix/download.scm8
1 files changed, 5 insertions, 3 deletions
diff --git a/guix/download.scm b/guix/download.scm
index d5351d0673..4e219c9f49 100644
--- a/guix/download.scm
+++ b/guix/download.scm
@@ -472,6 +472,8 @@ download by itself using its own dependencies."
;; - #f, to use the normal download methods, not trying to exercise the
;; fallback mechanism;
;;
+ ;; - 'none, to disable all the fallback mechanisms;
+ ;;
;; - 'content-addressed-mirrors, to purposefully attempt to download from
;; a content-addressed mirror;
;;
@@ -517,9 +519,9 @@ name in the store."
(error "'guix-daemon' is too old, please upgrade" builtins))
(built-in-download (or name file-name)
- (if (%download-fallback-test)
- "https://example.org/does-not-exist"
- url)
+ (match (%download-fallback-test)
+ ((or #f 'none) url)
+ (_ "https://example.org/does-not-exist"))
#:guile guile
#:system system
#:hash-algo hash-algo