This test fails because it expects a MIME type "Content-Type: image/gif"
whereas that provided by libmagic is "Content-Type: image/gif; charset=binary"
Presumably the test was written against a different version.
--- aegis-4.24/test/02/t0228a-matt.sh	2008-03-14 07:19:27.000000000 +0100
+++ aegis-4.24/test/02/t0228a-matt.sh	2014-01-27 09:43:44.000000000 +0100
@@ -147,7 +147,8 @@
 SCRIPT_NAME=/cgi-bin/aeget \
 PATH_INFO=icon/rss.gif \
 QUERY_STRING= \
-$bin/aeget > rss.served.gif 2>&1
+$bin/aeget \
+| sed -e 's%^Content-Type: image/gif; charset=binary%Content-Type: image/gif%' > rss.served.gif 2>&1
 if test $? -ne 0 ; then fail; fi
 
 # Compare the expected and the actual received file.
ge='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
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<div class='path'>path: <a href='/guix/log/?id=a6280c80ebaa798fb208b15da970eb3a61f3b888'>root</a>/<a href='/guix/log/gnu?id=a6280c80ebaa798fb208b15da970eb3a61f3b888'>gnu</a>/<a href='/guix/log/gnu/system.scm?id=a6280c80ebaa798fb208b15da970eb3a61f3b888'>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/gnu/system.scm?id=a6280c80ebaa798fb208b15da970eb3a61f3b888&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-11-11 07:28:33 +0100'>2024-11-11</span></td><td><a href='/guix/commit/gnu/system.scm?id=a16c94446e81c65715825853b19e9dccf39225dc'>system: hurd: Add swap-services to hurd-default-essential-services.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/base.scm (swap-service-type): Do not include 'udev' requirement
for the Hurd.  Use system* with "swapon", "swapoff" for the Hurd.
* gnu/system.scm (hurd-default-essential-services): Add swap-services.
* gnu/services/base.scm (swap-service-type):

Change-Id: I1d4d445c614921752dc84aa0dd6ff42cdbf62aa8
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2024-11-03 22:54:00 +0100'>2024-11-03</span></td><td><a href='/guix/commit/gnu/system.scm?id=e5d64e87d4759d62c035dad203e9975de3b621a6'>system: %default-privileged-programs: Set ping capabilities</a><span class='msg-avail'>...<span class='msg-tooltip'>Ping and ping6 don't need setuid, they can work with
cap_net_raw capability only. This means that even if
ping or ping6 had a vulnerability that could be
used for execution as root, it can't anymore if
the program is not setuid.

* gnu/system.scm (%default-privileged-programs): Remove ping, ping6 setuid
programs, add ping, ping6 programs with cap_net_raw=ep capabilities

Change-Id: Ie409b477f548dbff3318eec33d0d2ca16a1b3209
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Rutherther</td></tr>
<tr><td><span title='2024-10-24 14:50:09 +0200'>2024-10-24</span></td><td><a href='/guix/commit/gnu/system.scm?id=cc67a0b71d4a7d98a3732c3edf2eb340c2799697'>gnu: system: Privilege programs after creating accounts.</a><span class='msg-avail'>...<span class='msg-tooltip'>Ensure that users and groups are already created when the privileging script
runs. The order these scripts appear in the folded activation-service depends
on the order these services are instantiated in the operating-system.

Fixes &lt;https://issues.guix.gnu.org/73680&gt;.

* gnu/system.scm (operating-system-default-essential-services): Move
privileged-program-service above account-service.
(hurd-default-essential-services): Likewise.
* gnu/tests/base.scm (%activation-os): New variable.
(run-activation-test): New procedure.
(%test-activation): New variable.

Change-Id: I59a191c5519475f256e81bdf2dc4cb01b96c31fe
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Dariqq</td></tr>
<tr><td><span title='2024-08-11 02:00:00 +0200'>2024-08-11</span></td><td><a href='/guix/commit/gnu/system.scm?id=4e58dfee6c7456d1e662f66041b8a157efe8710a'>system: Add privileged-programs to &lt;operating-system&gt;.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system.scm (&lt;operating-system&gt;): Add new privileged-programs
field, that defaults to…
(%default-privileged-programs): …this new variable, renamed from…
(%setuid-programs): …this, which is now defined as the empty list.
* doc/guix.texi (Setuid Programs): Rename this…
(Privileged Programs): …to this.  Adjust all refs.  Update all mentions
of ‘setuid’ (whether in prose, variable names, or code samples) to use
the new ‘privilege[d]’ terminology instead.
(operating-system Reference, X Window, Invoking guix system)
(Service Reference): Adjust likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2024-08-11 02:00:00 +0200'>2024-08-11</span></td><td><a href='/guix/commit/gnu/system.scm?id=beb37ea4ad9999c28cfb60aca5d021851f9a1176'>system: Use privileged-program-service-type by default.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system.scm (operating-system-default-essential-services)
(hurd-default-essential-services): Substitute
privileged-program-service-type for setuid-program-service-type.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2024-08-11 02:00:00 +0200'>2024-08-11</span></td><td><a href='/guix/commit/gnu/system.scm?id=e364d1a494140c26f95a90176b3216428bbaf944'>system: Use /run/privileged/bin in search paths.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system.scm (operating-system-etc-service):
Substitute /run/privileged/bin for deprecated /run/setuid-programs.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2024-08-11 02:00:00 +0200'>2024-08-11</span></td><td><a href='/guix/commit/gnu/system.scm?id=0dffb851e0feced94742ad024f245b925c503fa2'>system: Disallow file-like setuid-programs.</a><span class='msg-avail'>...<span class='msg-tooltip'>It has been a warning for well over a year now.  Now, with
privileged-programs coming, don't let's support nested deprecation
hacks.

* gnu/system.scm (&lt;operating-system&gt;):
Don't ‘sanitize’ the setuid-programs field.
(ensure-setuid-program-list): Delete syntax.
(%ensure-setuid-program-list): Delete variable.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>