Merge pull request #1 from timvy/patch-2

feat: Add loop to exec_start_pre and exec_start_post

roles/systemd_timer/templates/service.j2

@@ -32,12 +32,24 @@ Environment="{{ item.name }}={{ item.value }}"
 WorkingDirectory={{ timer.working_directory }}
 {% endif %}
 {% if timer.exec_start_pre is defined %}
+{% if timer.exec_start_pre is iterable and timer.exec_start_pre is not string %}
+{% for item in timer.exec_start_pre %}
+ExecStartPre={{ item }}
+{% endfor %}
+{% else %}
 ExecStartPre={{ timer.exec_start_pre }}
 {% endif %}
+{% endif %}
 ExecStart={{ timer.exec_start }}
 {% if timer.exec_start_post is defined %}
+{% if timer.exec_start_post is iterable and timer.exec_start_post is not string %}
+{% for item in timer.exec_start_post %}
+ExecStartPost={{ item }}
+{% endfor %}
+{% else %}
 ExecStartPost={{ timer.exec_start_post }}
 {% endif %}
+{% endif %}
 {% if timer.syslog_identifier is defined %}
 SyslogIdentifier={{ timer.syslog_identifier }}
 {% endif %}