Guix libarchive no support xar.

--- ark-20.04.1.orig/autotests/kerfuffle/loadtest.cpp	2020-12-23 08:46:15.780782601 +0800
+++ ark-20.04.1/autotests/kerfuffle/loadtest.cpp	2020-12-23 11:13:17.101724042 +0800
@@ -181,13 +181,6 @@
         qDebug() << "lz4 executable not found in path. Skipping lz4 test.";
     }
 
-    QTest::newRow("xar archive")
-            << QFINDTESTDATA("data/simplearchive.xar")
-            << QStringLiteral("simplearchive")
-            << true << false << false << false << false << 0 << Archive::Unencrypted
-            << QStringLiteral("simplearchive")
-            << QString();
-
     QTest::newRow("mimetype child of application/zip")
             << QFINDTESTDATA("data/test.odt")
             << QStringLiteral("test")
--- ark-20.04.1.orig/autotests/kerfuffle/extracttest.cpp	2020-12-23 08:46:15.780782601 +0800
+++ ark-20.04.1/autotests/kerfuffle/extracttest.cpp	2020-12-23 11:14:02.801809620 +0800
@@ -350,23 +350,6 @@
         qDebug() << "lz4 executable not found in path. Skipping lz4 test.";
     }
 
-    archivePath = QFINDTESTDATA("data/simplearchive.xar");
-    QTest::newRow("extract selected entries from a xar archive without path")
-            << archivePath
-            << QVector<Archive::Entry*> {
-                   new Archive::Entry(this, QStringLiteral("dir1/file11.txt"), QString()),
-                   new Archive::Entry(this, QStringLiteral("file4.txt"), QString())
-               }
-            << optionsNoPaths
-            << 2;
-
-    archivePath = QFINDTESTDATA("data/simplearchive.xar");
-    QTest::newRow("extract all entries from a xar archive with path")
-            << archivePath
-            << QVector<Archive::Entry*>()
-            << optionsPreservePaths
-            << 6;
-
     archivePath = QFINDTESTDATA("data/hello-1.0-x86_64.AppImage");
     QTest::newRow("extract all entries from an AppImage with path")
             << archivePath
ubmit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=a58734e7fea0015ba113be068d0aebf67dd8afdb'>root</a>/<a href='/guix/log/tests?id=a58734e7fea0015ba113be068d0aebf67dd8afdb'>tests</a>/<a href='/guix/log/tests/system.scm?id=a58734e7fea0015ba113be068d0aebf67dd8afdb'>system.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/tests/system.scm?id=a58734e7fea0015ba113be068d0aebf67dd8afdb&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-08-29 01:05:26 -0400'>2021-08-29</span></td><td><a href='/guix/commit/tests/system.scm?id=da4e40948326387d5bcda58783914d5f9ce8b095'>Migrate to the new 'targets' field of bootloader-configuration.</a><span class='msg-avail'>...<span class='msg-tooltip'>The old 'target' field is deprecated; adjust the sources to use the new
'targets' one instead.

* doc/guix-cookbook.texi&lt;target&gt;: Replace by 'targets'.
* gnu/bootloader/grub.scm: Likewise.
* gnu/installer/parted.scm: Likewise.
* gnu/machine/digital-ocean.scm: Likewise.
* gnu/system/examples/asus-c201.tmpl: Likewise
* gnu/system/examples/bare-bones.tmpl: Likewise
* gnu/system/examples/bare-hurd.tmpl: Likewise
* gnu/system/examples/beaglebone-black.tmpl: Likewise
* gnu/system/examples/desktop.tmpl: Likewise
* gnu/system/examples/docker-image.tmpl: Likewise
* gnu/system/examples/lightweight-desktop.tmpl: Likewise
* gnu/system/examples/vm-image.tmpl: Likewise
* gnu/system/examples/yggdrasil.tmpl: Likewise
* gnu/system/hurd.scm: Likewise
* gnu/system/images/hurd.scm: Likewise
* gnu/system/images/novena.scm: Likewise
* gnu/system/images/pine64.scm: Likewise
* gnu/system/images/pinebook-pro.scm: Likewise
* gnu/system/images/rock64.scm: Likewise
* gnu/system/install.scm: Likewise
* gnu/system/vm.scm: Likewise
* gnu/tests.scm: Likewise
* gnu/tests/ganeti.scm: Likewise
* gnu/tests/install.scm: Likewise
* gnu/tests/nfs.scm: Likewise
* gnu/tests/telephony.scm: Likewise
* tests/boot-parameters.scm: Likewise
* tests/system.scm: Likewise
</span></span></td><td>Maxim Cournoyer</td></tr>