diff options
| -rwxr-xr-x | guix/scripts/substitute.scm | 11 | ||||
| -rw-r--r-- | tests/substitute.scm | 25 |
2 files changed, 34 insertions, 2 deletions
diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm index de7b77b0bf..8b1f7d6fda 100755 --- a/guix/scripts/substitute.scm +++ b/guix/scripts/substitute.scm @@ -38,7 +38,7 @@ #:use-module (guix cache) #:use-module (gcrypt pk-crypto) #:use-module (guix pki) - #:use-module ((guix build utils) #:select (mkdir-p)) + #:autoload (guix build utils) (mkdir-p delete-file-recursively) #:use-module ((guix build download) #:select (uri-abbreviation nar-uri-abbreviation (open-connection-for-uri @@ -445,6 +445,11 @@ server certificates." "Bind PORT with EXP... to a socket connected to URI." (call-with-cached-connection uri (lambda (port) exp ...))) +(define-syntax-rule (catch-system-error exp) + (catch 'system-error + (lambda () exp) + (const #f))) + (define* (download-nar narinfo destination #:key status-port deduplicate? print-build-trace?) @@ -503,6 +508,10 @@ STATUS-PORT." (narinfo-path narinfo) (narinfo-uri-base narinfo))))) + ;; Delete DESTINATION first--necessary when starting over after a failed + ;; download. + (catch-system-error (delete-file-recursively destination)) + (let ((choices (narinfo-preferred-uris narinfo #:fast-decompression? %prefer-fast-decompression?))) diff --git a/tests/substitute.scm b/tests/substitute.scm index 8df3938b59..7246ed82d5 100644 --- a/tests/substitute.scm +++ b/tests/substitute.scm @@ -1,6 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2014 Nikita Karetnikov <nikita@karetnikov.org> -;;; Copyright © 2014-2015, 2017-2019, 2021-2022 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2014-2015, 2017-2019, 2021-2023 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -639,6 +639,29 @@ System: mips64el-linux\n"))) (lambda () (false-if-exception (delete-file "substitute-retrieved"))))))) +(test-equal "substitute, previous partial download around" + "Substitutable data." + (with-narinfo* (string-append %narinfo "Signature: " (signature-field %narinfo)) + %main-substitute-directory + + (with-http-server `((200 ,(string-append %narinfo "Signature: " + (signature-field %narinfo))) + (200 ,(call-with-input-file + (string-append %main-substitute-directory + "/example.nar") + get-bytevector-all))) + (dynamic-wind + (const #t) + (lambda () + (parameterize ((substitute-urls (list (%local-url)))) + (mkdir-p "substitute-retrieved/a/b/c/d") ;add stale data + (request-substitution (string-append (%store-prefix) + "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo") + "substitute-retrieved")) + (call-with-input-file "substitute-retrieved" get-string-all)) + (lambda () + (false-if-exception (delete-file "substitute-retrieved"))))))) + (test-quit "substitute, narinfo is available but nar is missing" "failed to find alternative substitute" (with-narinfo* |