From 0b72475301e20521e0dd9fc22881eaab4a7fe170 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Thu, 1 Dec 2016 21:49:16 +0100 Subject: offload: Warn about the lack of zlib support. * guix/scripts/offload.scm (guix-offload): Print a warning when 'zlib-support?' returns false. --- guix/scripts/offload.scm | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/guix/scripts/offload.scm b/guix/scripts/offload.scm index 1d60f65b16..4f6de0b7a6 100644 --- a/guix/scripts/offload.scm +++ b/guix/scripts/offload.scm @@ -24,6 +24,7 @@ (define-module (guix scripts offload) #:use-module (ssh popen) #:use-module (ssh dist) #:use-module (ssh dist node) + #:use-module (ssh version) #:use-module (guix config) #:use-module (guix records) #:use-module (guix store) @@ -634,6 +635,12 @@ (define not-coma (and=> (passwd:dir (getpw (getuid))) (cut setenv "HOME" <>)) + ;; We rely on protocol-level compression from libssh to optimize large data + ;; transfers. Warn if it's missing. + (unless (zlib-support?) + (warning (_ "Guile-SSH lacks zlib support")) + (warning (_ "data transfers will *not* be compressed!"))) + (match args ((system max-silent-time print-build-trace? build-timeout) (let ((max-silent-time (string->number max-silent-time)) -- cgit v1.2.3