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[bug#56867] [PATCH] download: Do not wrap TLS port on GnuTLS >= 3.7.7.

From: Ludovic Courtès
Subject: [bug#56867] [PATCH] download: Do not wrap TLS port on GnuTLS >= 3.7.7.
Date: Mon, 01 Aug 2022 11:15:24 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux)

Ludovic Courtès <> skribis:

> The custom input/output port wrapping the TLS session record port would
> introduce overhead, and it would also prevent its uses in a non-blocking
> context--e.g., with Fibers.  The port close mechanism added in GnuTLS
> 3.7.7 allows us to get rid of that wrapper.

And here’s the GnuTLS 3.7.7 package to test it; you need to make sure to
have 3.7.7 on your load path, for instance by running:

  ./pre-inst-env guix shell -D guix guile gnutls@3.7.7


diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index 1ee5400a9c..33c93b7a5b 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -329,6 +329,21 @@ (define-public gnutls
     (properties '((ftp-server . "")
                   (ftp-directory . "/gcrypt/gnutls")))))
+(define-public gnutls-latest
+  (package
+    (inherit gnutls)
+    (version "3.7.7")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://gnupg/gnutls/v"
+                                  (version-major+minor version)
+                                  "/gnutls-" version ".tar.xz"))
+              (patches (search-patches "gnutls-skip-trust-store-test.patch"
+                                       "gnutls-cross.patch"))
+              (sha256
+               (base32
+                "01i1gl15k6qwvxmxx0by1mn9nlmcmym18wdpm7dn9awfsp8474dy"))))))
 (define-public gnutls/guile-2.0
   ;; GnuTLS for Guile 2.0.
   (package/inherit gnutls

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