From ea6594e08e2724c64bc07724a07479fc1633dede Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <m.othacehe@gmail.com>
Date: Sun, 19 Apr 2020 11:41:40 +0200
Subject: installer: connman: Fix Wifi connection.

Issue reported by SergioBG here:
https://lists.gnu.org/archive/html/bug-guix/2020-04/msg00432.html.

Due to default buffering mode, the installer was reading from the pipe without
having actually written a command before.

* gnu/installer/connman.scm (connman-connect-with-auth): Set pipe buffering
mode to 'line.
---
 gnu/installer/connman.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/installer/connman.scm b/gnu/installer/connman.scm
index 7f47b9af77..386f431ced 100644
--- a/gnu/installer/connman.scm
+++ b/gnu/installer/connman.scm
@@ -393,6 +393,7 @@ interactive connmanctl process."
     (dynamic-wind
       (const #t)
       (lambda ()
+        (setvbuf pipe 'line)
         (run-connection-sequence pipe)
         #t)
       (lambda ()
-- 
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