squid: remove obsolete variable on Squid 4

CHANGELOG.md

@@ -22,6 +22,8 @@ The **patch** part changes incrementally at each release.
 * listupgrade: upstream release 21.06.3
 * mysql: mariadb-client-10.5 on Debian 11
 * mysql: use python3 with Debian 11 and later
+* ntpd: Add leapfile configuration setting to ntpd on debian 10+
+* squid: remove obsolete variable on Squid 4
 
 ### Fixed
 

squid/tasks/main.yml

@@ -22,6 +22,13 @@
       - squidclient
     state: present
 
+- name: Fetch packages
+  package_facts:
+    manager: auto  
+
+- debug:
+    var: ansible_facts.packages[squid_daemon_name]
+
 - name: "Set alternative config file (Debian 9 or later)"
   copy:
     src: default_squid

squid/templates/evolinux-custom.conf.j2

@@ -1,4 +1,4 @@
 http_port 8888 transparent
 cache deny all
-ignore_expect_100 on
+{% if ansible_facts.packages[squid_daemon_name][0]['version'] is version (4, '<') %}ignore_expect_100 on{% endif %}
 tcp_outgoing_address {{ squid_address }}