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='2019-06-17 16:13:36 +0200'>2019-06-17</span></td><td><a href='/guix/commit/gnu/build/bootloader.scm?id=45d46223f92b0933aaf9b1392a21d09eaa1e2881'>utils: Add 'invoke/quiet'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/bootloader.scm (G_): Remove.
(open-pipe-with-stderr, invoke/quiet): Move to...
* guix/build/utils.scm: ... here.  Use 'let-values' instead of
'define-values' because Guile 2.0 (the bootstrap Guile) doesn't know
about 'define-values'.
* po/guix/POTFILES.in: Remove gnu/build/bootloader.scm, and add
guix/build/utils.scm.
* tests/build-utils.scm: Remove import of (gnu build bootloader).
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-16 18:15:13 +0100'>2019-03-16</span></td><td><a href='/guix/commit/gnu/build/bootloader.scm?id=f0cc5e7e1e4c03af29c5d4855dc5962502c49147'>booloader: Add 'invoke/quiet'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/bootloader.scm (G_): New macro.
(open-pipe-with-stderr, invoke/quiet): New procedures.
* tests/build-utils.scm ("invoke/quiet, success")
("invoke/quiet, failure")
("invoke/quiet, failure, message on stderr"): New tests.
* po/guix/POTFILES.in: Add bootloader.scm.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-12-15 11:52:38 +0100'>2017-12-15</span></td><td><a href='/guix/commit/gnu/build/bootloader.scm?id=e22482038611a53a9d2b25df20363664cd91be2e'>bootloader: Factorize write-file-on-device.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader/extlinux.scm (install-extlinux): Factorize bootloader
writing in a new procedure write-file-on-device defined in (gnu build
bootloader).
* gnu/build/bootloader.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add new file.
* gnu/system/vm.scm (qemu-img): Adapt to import and use (gnu build bootloader)
module during derivation building.
* gnu/scripts/system.scm (bootloader-installer-derivation): Ditto.
</span></span></td><td>Mathieu Othacehe</td></tr>