Unrar contains security vulnerabilities and has thus been removed from Guix.
From a16f97b02bd8afd0ec05c471e156f631f2cc6eec Mon Sep 17 00:00:00 2001
From: Brendan Tildesley <mail@brendan.scot>
Date: Tue, 26 Mar 2019 22:17:03 +1100
Subject: [PATCH] Remove test_unrar.

---
 src/calibre/test_build.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/calibre/test_build.py b/src/calibre/test_build.py
index d67afd20a6..709132ef17 100644
--- a/src/calibre/test_build.py
+++ b/src/calibre/test_build.py
@@ -220,10 +220,6 @@ class BuildTest(unittest.TestCase):
         from calibre.gui2.win_file_dialogs import test
         test()
 
-    def test_unrar(self):
-        from calibre.utils.unrar import test_basic
-        test_basic()
-
     @unittest.skipUnless(iswindows, 'WPD is windows only')
     def test_wpd(self):
         wpd = plugins['wpd'][0]
-- 
2.21.0

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<div class='path'>path: <a href='/guix/log/?id=551167d00803c5361bc9c152ae46de6730a2fbaf'>root</a>/<a href='/guix/log/gnu?id=551167d00803c5361bc9c152ae46de6730a2fbaf'>gnu</a>/<a href='/guix/log/gnu/services?id=551167d00803c5361bc9c152ae46de6730a2fbaf'>services</a>/<a href='/guix/log/gnu/services/messaging.scm?id=551167d00803c5361bc9c152ae46de6730a2fbaf'>messaging.scm</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/gnu/services/messaging.scm?id=551167d00803c5361bc9c152ae46de6730a2fbaf&am<tr><td><span title='2019-06-07 21:50:18 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/build/locale.scm?id=0e6cee21a48294b81a5e57e00602728fe7f7075f'>gnu: glibc-locales: Install symlinks using the normalized codeset.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/36076&gt;.
Reported by Jack Hill &lt;jackhill@jackhill.us&gt;
and Giovanni Biscuolo &lt;g@xelera.eu&gt;

* gnu/build/locale.scm (locale-&gt;name+codeset): New file.
* gnu/packages/base.scm (make-glibc-locales): Add #:modules
and #:imported-modules.  Add a 'symlink-normalized-codesets' phase.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-07 21:50:18 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/build/locale.scm?id=15ec93a7832ae7dde747ccd9bb2bb2776be9f199'>Add (gnu build locale).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/locale.scm: New file.
* gnu/local.mk (MODULES_NOT_COMPILED): Add it.
* gnu/installer/locale.scm (normalize-codeset): Remove.
* gnu/system/locale.scm (localedef-command): Remove.
(single-locale-directory): Use (gnu build locale).
(glibc-supported-locales)[build]: Likewise, and remove
'read-supported-locales'.
</span></span></td><td>Ludovic Courtès</td></tr>