Copied from Debian.

From: Santiago Vila <sanvila@debian.org>
Subject: zipinfo.c: Do not crash when hostver byte is >= 100

--- a/zipinfo.c
+++ b/zipinfo.c
@@ -2114,7 +2114,7 @@
             else
                 attribs[9] = (xattr & UNX_ISVTX)? 'T' : '-';  /* T==undefined */
 
-            sprintf(&attribs[12], "%u.%u", hostver/10, hostver%10);
+            sprintf(&attribs[11], "%2u.%u", hostver/10, hostver%10);
             break;
 
     } /* end switch (hostnum: external attributes format) */
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<div class='path'>path: <a href='/guix/log/?id=5583301fddbbf978bf7e6cd52eaaede8a2f704f4'>root</a>/<a href='/guix/log/etc?id=5583301fddbbf978bf7e6cd52eaaede8a2f704f4'>etc</a>/<a href='/guix/log/etc/time-travel-manifest.scm?id=5583301fddbbf978bf7e6cd52eaaede8a2f704f4'>time-travel-manifest.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/etc/time-travel-manifest.scm?id=5583301fddbbf978bf7e6cd52eaaede8a2f704f4&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-08-17 15:42:56 +0200'>2022-08-17</span></td><td><a href='/guix/commit/etc/time-travel-manifest.scm?id=845c841e21379e64a4215ee6d3d60da343e7fb93'>time-travel-manifest: Use a separate cache per system.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/time-travel-manifest.scm (&lt;guix-instance-compiler&gt;): Use a separate
cache per system so that parallel system evaluations do no step on each
other's toes.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-07-10 23:57:14 +0200'>2022-07-10</span></td><td><a href='/guix/commit/etc/time-travel-manifest.scm?id=5d0437ea8ce0147b47b9df866fa2413b48f71a1a'>time-travel-manifest: Use a separate Git checkout cache.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/time-travel-manifest.scm (guix-instance-compiler): Parameterize
%REPOSITORY-CACHE-DIRECTORY.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-07-08 23:58:11 +0200'>2022-07-08</span></td><td><a href='/guix/commit/etc/time-travel-manifest.scm?id=e80f0cda96181d90604c44f69094f2499036b3f6'>etc: Add 'time-travel-manifest.scm'.</a><span class='msg-avail'>...<span class='msg-tooltip'>This manifest makes it easy to test travels from the current revision
back to the revision of a past Guix release.

Suggested by zimoun &lt;zimon.toutoune@gmail.com&gt;.

* etc/time-travel-manifest.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
</span></span></td><td>Ludovic Courtès</td></tr>