From dbd4d9f56ef7695e7568f79ef26c6e0c6eaeb2bb Mon Sep 17 00:00:00 2001
From: Andreas Koenig <andk@cpan.org>
Date: Sun, 27 Aug 2017 21:12:15 +0200
Subject: [PATCH] Only upgrade to 2.18, never downgrade or overwrite same
 version

---
 bin/makeperl.pl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bin/makeperl.pl b/bin/makeperl.pl
index 5dde68d7..b839e79b 100755
--- a/bin/makeperl.pl
+++ b/bin/makeperl.pl
@@ -3,6 +3,7 @@
 # use 5.010;
 use strict;
 use warnings;
+use CPAN::Version;
 
 =head1 NAME
 
@@ -439,7 +440,8 @@ if ($Opt{report} || @$m) {
     $ENV{HARNESS_OPTIONS} = "j".$Opt{jobs} if $Opt{jobs} > 1;
     if ($Opt{report}) {
         my @script;
-        if (1) { # need something like isots(), metacpan() or parse_version()
+        my $opcv = `$prefix/bin/perl -MCPAN -e print\\\$CPAN::VERSION;`; # other perl cpan version
+        if (CPAN::Version->vlt($opcv,"2.18")) {
             push @script, qq{install('ANDK/CPAN-2.18-TRIAL.tar.gz');
                 die unless
                     CPAN::Shell->expand(
-- 
2.11.4.GIT