This patch removes the hard coded temporary directory (which might not exist on the system)
and replaces it using the Perl preferred method.
--- aegis-4.24/script/aebisect.in	2008-03-14 07:19:27.000000000 +0100
+++ aegis-4.24/script/aebisect.in	2014-01-26 11:03:31.000000000 +0100
@@ -34,7 +34,8 @@
 # @configure_input@
 #
 # Configure additions?
-my $TmpDir   = "/var/tmp";
+use File::Temp qw/ tempdir /;
+my $TmpDir   = tempdir();
 my $ProgramName = "aebisect";
 
 require 5.004;
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<tr><td><span title='2021-01-31 21:49:58 +0100'>2021-01-31</span></td><td><a href='/guix/commit/tests/store-database.scm?id=13a7d2a538b00aa0a8cf9b999f1a4ff3e5959af9'>database: Validate #:nar-size and #:time when registering store items.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-15 17:32:11 +0100'>2020-12-15</span></td><td><a href='/guix/commit/tests/store-database.scm?id=3169c93903c20cea000335d59560eac7f28e8f92'>database: Remove 'register-path'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-15 17:32:11 +0100'>2020-12-15</span></td><td><a href='/guix/commit/tests/store-database.scm?id=0682cc593688e7d9a435ca69f05320aa87df06d0'>database: Remove #:deduplicate? and #:reset-timestamps? from 'register-path'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-21 12:39:14 +0100'>2020-11-21</span></td><td><a href='/guix/commit/tests/store-database.scm?id=ac435c14a627f620bf6719efbdd214a12b33716e'>store-database: Add test checking the directory mtime after 'register-path'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-20 15:01:33 +0200'>2018-07-20</span></td><td><a href='/guix/commit/tests/store-database.scm?id=e4752118691e41ae8307649d1abfd4739b3e4bfa'>database: Reset timestamps to one second after the Epoch.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>