This patch is taken from Debian and modified slightly

Description: Phoning-home version checks should be disabled in Debian packages
Author: Sandro Knauß <bugs@ssandroknauss.de>
Origin: debian
Bug-debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=721341
Forwarded: not-needed
Last-Update: 2014-02-17
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/src/libsync/configfile.cpp
+++ b/src/libsync/configfile.cpp
@@ -522,11 +522,14 @@ bool ConfigFile::skipUpdateCheck(const Q
     if (connection.isEmpty())
         con = defaultConnection();
 
-    QVariant fallback = getValue(QLatin1String(skipUpdateCheckC), con, false);
+    QVariant fallback = getValue(QLatin1String(skipUpdateCheckC), con, true);
     fallback = getValue(QLatin1String(skipUpdateCheckC), QString(), fallback);
 
     QVariant value = getPolicySetting(QLatin1String(skipUpdateCheckC), fallback);
-    return value.toBool();
+    if ( !value.toBool() )
+        qDebug() << "Guix has disabled the UpdateCheck mechanism.";
+
+    return true;
 }
 
 void ConfigFile::setSkipUpdateCheck(bool skip, const QString &connection)
--- a/src/gui/generalsettings.cpp
+++ b/src/gui/generalsettings.cpp
@@ -146,6 +149,7 @@ void GeneralSettings::loadMiscSettings()
 
 void GeneralSettings::slotUpdateInfo()
 {
+    /* Guix doesn't want an autoupdater
     if (ConfigFile().skipUpdateCheck() || !Updater::instance()) {
         // updater disabled on compile
         _ui->updaterWidget->setVisible(false);
@@ -174,6 +178,9 @@ void GeneralSettings::slotUpdateInfo()
     _ui->updateChannel->setCurrentIndex(ConfigFile().updateChannel() == "beta" ? 1 : 0);
     connect(_ui->updateChannel, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
         this, &GeneralSettings::slotUpdateChannelChanged, Qt::UniqueConnection);
+    */
+    //hide the update group box for Guix.
+    _ui->updaterWidget->setVisible(false);
 }
 
 void GeneralSettings::slotUpdateChannelChanged(int index)

<div class='path'>path: <a href='/guix/log/?id=bd70425a713acdeb76a0b033f5d58c3a06b247ea'>root</a>/<a href='/guix/log/build-aux?id=bd70425a713acdeb76a0b033f5d58c3a06b247ea'>build-aux</a>/<a href='/guix/log/build-aux/test-env.in?id=bd70425a713acdeb76a0b033f5d58c3a06b247ea'>test-env.in</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/build-aux/test-env.in?id=bd70425a713acdeb76a0b033f5d58c3a06b247ea&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-04-20 12:13:16 +0200'>2021-04-20</span></td><td><a href='/guix/commit/build-aux/test-env.in?id=d95168321f4a9bf6857b598da0a183b45a868d54'>import: Remove Nix importer.</a><span class='msg-avail'>...<span class='msg-tooltip'>This importer has suffered from bitrot and no longer works with current
Nix and Nixpkgs.  See &lt;https://bugs.gnu.org/32339&gt; and
&lt;https://bugs.gnu.org/36255&gt;.

* guix/import/snix.scm, guix/scripts/import/nix.scm,
tests/snix.scm: Remove.
* Makefile.am (MODULES, SCM_TESTS): Remove them.
* guix/scripts/import.scm (importers): Remove "nix".
* build-aux/test-env.in: Remove NIXPKGS variable.
* configure.ac: Remove '--with-nixpkgs' option.
* doc/guix.texi (Invoking guix import): Remove bit about "guix import
nix".
* etc/completion/fish/guix.fish: Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-10-16 22:53:40 +0200'>2019-10-16</span></td><td><a href='/guix/commit/build-aux/test-env.in?id=a1aaca314ca94700ebe3449d6bd73522f2d243bc'>build: Remove references to 'NIX_LOCALSTATE_DIR'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/test-env.in: Remove references to 'NIX_LOCALSTATE_DIR'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-10-16 22:53:40 +0200'>2019-10-16</span></td><td><a href='/guix/commit/build-aux/test-env.in?id=47e99e626b46b2fc433506a822d251de68ad6241'>daemon: Remove traces of 'NIX_ROOT_FINDER'.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 2e3e5d21988fc2cafb2a9eaf4b00976ea425629d.

* build-aux/test-env.in: Remove mentions of 'NIX_ROOT_FINDER'.
* nix/libstore/gc.cc (LocalStore::collectGarbage): Adjust comment
accordingly.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-02-04 00:03:30 +0100'>2019-02-04</span></td><td><a href='/guix/commit/build-aux/test-env.in?id=a87d66f371da2a84d7bba1cae58b71c9c9af73aa'>daemon: Rename 'NIX_STATE_DIR' and 'NIX_DB_DIR' environment variables.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/22459&gt;.
Reported by Jeff Mickey &lt;j@codemac.net&gt;.

* guix/config.scm.in (%state-directory): Change NIX_STATE_DIR to
GUIX_STATE_DIRECTORY.
(%store-database-directory): Change NIX_DB_DIR to
GUIX_DATABASE_DIRECTORY.
* nix/libstore/globals.cc (Settings::processEnvironment): Likewise.
* guix/self.scm (make-config.scm): Likewise.
* build-aux/build-self.scm (make-config.scm): Likewise.
* build-aux/test-env.in: Likewise.
* tests/derivations.scm ("derivation #:leaked-env-vars"): Likewise.
* tests/guix-build.sh (GUIX_DAEMON_SOCKET): Likewise.
* tests/guix-daemon.sh (socket): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>