Always provide the same date and time in 'Py_GetBuildInfo'.
This is the information shown at the REPL and in 'sys.version'.
We cannot pass it in CPPFLAGS due to whitespace in the DATE string.

--- a/Modules/getbuildinfo.c
+++ b/Modules/getbuildinfo.c
@@ -4,6 +4,10 @@
 #include <stdio.h>
 #endif
 
+/* Deterministic date and time.  */
+#define DATE "Jan  1 1970"
+#define TIME "00:00:01"
+
 #ifndef DATE
 #ifdef __DATE__
 #define DATE __DATE__
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<tr><td><span title='2022-05-25 09:28:43 +0200'>2022-05-25</span></td><td><a href='/guix/commit/tests/guix-pack.sh?id=d276a7dd6162d101b7790cc8ea902abfec1eafcb'>tests: Fix wrong target triplets.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/gexp.scm (ungexp + ungexp-native,
input list + ungexp-native,
input list splicing + ungexp-native-splicing,
gexp list splicinng + ungexp-splicing,
gexp-&gt;derivation, cross-compilation,
gexp-&gt;derivation, ungexp-native,
gexp-&gt;derivation, ungexp + ungexp-native,
gexp-&gt;derivation, ungexp-native + composed gexps): Change
mips64el-linux to mips64el-linux-gnu.
* tests/guix-pack.sh: Change arm-unknown-linux-gnueabihf to
arm-linux-gnueabihf.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-02-18 14:14:38 +0100'>2022-02-18</span></td><td><a href='/guix/commit/tests/guix-pack.sh?id=5a57313918a5c1bd5cf8238c2dcae64a03523952'>profiles: 'profile-derivation' rejects unsupported packages.</a><span class='msg-avail'>...<span class='msg-tooltip'>Previously user-facing commands would happily start building packages
even if they do not support that system.  With this change, all the
user-facing commands reject unsupported packages without going further.

* guix/profiles.scm (profile-derivation): Add #:allow-unsupported-packages?.
Define 'check-supported-packages' and honor #:allow-unsupported-packages?.
* tests/guix-pack.sh, tests/guix-package.sh, tests/guix-shell.sh: Ensure
that unsupported packages are rejected.
* tests/guix-system.sh: Pass "--system=armhf-linux" when attempting to
build gnu/system/examples/asus-c201.tmpl.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-28 21:06:36 -0500'>2020-09-28</span></td><td><a href='/guix/commit/tests/guix-pack.sh?id=d8934360d2453a403b5433e71d09188e4ed23b57'>tests: Simplify shell exit status negation;</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-lint.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh: Use the shell '!' keyword to negate command exit status
in place of 'if ...; then false; else true; fi'
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2020-05-14 17:21:27 +0200'>2020-05-14</span></td><td><a href='/guix/commit/tests/guix-pack.sh?id=80963744a242257921917df5a901dc343d3a93db'>store: 'mapm/accumulate-builds' preserves '%current-target-system'.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/41182&gt;.

* guix/store.scm (mapm/accumulate-builds): Pass #:system and #:target to
'run-with-store'.
* tests/store.scm ("mapm/accumulate-builds, %current-target-system"):
New test.
* tests/guix-pack.sh: Add 'guix pack -d --target' test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-31 00:06:36 +0200'>2020-03-31</span></td><td><a href='/guix/commit/tests/guix-pack.sh?id=b771e0176a9cafaaf5fc279a7f3e5e3033b5fb4f'>pack: Adjust test to '--dry-run' changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 131f50cdc9dbb7183023f4dae759876a9e700bef.

* tests/guix-pack.sh: Use '--no-grafts' in conjunction with '-n' and '-d'.
</span></span></td><td>Ludovic Courtès</td></tr>