SIGINT is ignored in the Guix build environment.

--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -399,6 +399,8 @@
         output = self.run_tests('--fromfile', filename)
         self.check_executed_tests(output, tests)
 
+    @unittest.skipIf(True,
+        "KeyboardInterrupts do not work in the build environment")
     def test_interrupted(self):
         code = TEST_INTERRUPTED
         test = self.create_test('sigint', code=code)
@@ -416,6 +418,8 @@
                  % (self.TESTNAME_REGEX, len(tests)))
         self.check_line(output, regex)
 
+    @unittest.skipIf(True,
+        "KeyboardInterrupts do not work in the build environment")
     def test_slow_interrupted(self):
         # Issue #25373: test --slowest with an interrupted test
         code = TEST_INTERRUPTED
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<div class='path'>path: <a href='/guix/log/?id=49810367af318662a5fd1253ca6db503f534ac36'>root</a>/<a href='/guix/log/gnu?id=49810367af318662a5fd1253ca6db503f534ac36'>gnu</a>/<a href='/guix/log/gnu/ci.scm?id=49810367af318662a5fd1253ca6db503f534ac36'>ci.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/ci.scm?id=49810367af318662a5fd1253ca6db503f534ac36&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-09-20 09:38:36 +0200'>2023-09-20</span></td><td><a href='/guix/commit/gnu/ci.scm?id=e5ed1712da049b1c3dcf01e0a7e02e48a8aff012'>image: Introduce the mbr-hybrid-raw image type.</a><span class='msg-avail'>...<span class='msg-tooltip'>Until 209204e23b39af09e0ea92540b6fa00a60e6a0ae and
d57cab764122af69d52d8cc9c843456044e5d7bc, the default image type used by "guix
system image" was an MBR image with an ESP partition.

Having both an MBR image and an ESP partition is handy because the image will
boot on most x86 based systems using legacy BIOS and/or UEFI.

We now have a distinction between MBR images and EFI images. Introduce a new
MBR hybrid image type and default to it to restore the default behaviour.

This also fixes the images section of (gnu ci) that was trying to install a
BIOS bootloader on an EFI, GPT image and failing to do so.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2023-08-21 19:16:05 +0200'>2023-08-21</span></td><td><a href='/guix/commit/gnu/ci.scm?id=4fb9d524357958f765763d5816af55f234b026d5'>ci: Really honor system type for manifests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/ci.scm (manifests-&gt;jobs): Pass SYSTEM to 'lower-object'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-08-21 16:16:47 +0200'>2023-08-21</span></td><td><a href='/guix/commit/gnu/ci.scm?id=97f062f33c4243fb1fcb53e0806bdf6cd08ac9d6'>ci: Honor user-specific systems for manifests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/ci.scm (manifests-&gt;jobs): Add 'systems' argument.
[manifest-entry-&gt;job]: Add 'system' and honor it.
Honor it.
(cuirass-jobs): Pass SYSTEMS to 'manifests-&gt;jobs'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-08-18 16:02:34 +0200'>2023-08-18</span></td><td><a href='/guix/commit/gnu/ci.scm?id=560cb51e7b37e2c6f6fe4b72a3781185c57fdf83'>gnu: commencement: Use system in %final-inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>Otherwise this causes odd issues, I presume arising from when %current-system
differs from the system argument passed to %final-inputs.

* gnu/packages/commencement.scm (%final-inputs): Set %current-system to
system.
* gnu/packages/base.scm (%final-inputs): Add optional system parameter.
* gnu/ci.scm (base-packages): New procedure to memoize the base packages
depending on system.
(package-&gt;job): Pass system to base-packages.

Co-authored-by: Josselin Poiret &lt;dev@jpoiret.xyz&gt;
Signed-off-by: Josselin Poiret &lt;dev@jpoiret.xyz&gt;
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2023-04-18 15:59:34 +0200'>2023-04-18</span></td><td><a href='/guix/commit/gnu/ci.scm?id=c8bc58a9e705bb4c37d2c4386d1c6050ab324cb1'>ci: Add 'gdb-minimal' to the "core" package set.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/ci.scm (%core-packages): Add GDB-MINIMAL.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-03-09 18:14:25 +0100'>2023-03-09</span></td><td><a href='/guix/commit/gnu/ci.scm?id=768b7705977aa951c36bd37e48956bf91dcc7719'>ci: Update the list of GCC versions for the 'core' subset.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/ci.scm (%core-packages): Remove GCC-8 and GCC-9.  Add GCC-12.
</span></span></td><td>Ludovic Courtès</td></tr>