Improve handling of multiple values in main.cf
In case a list of items (iterable) is passed to the set_parameter function in main.cf, the list of items are joined by a comma. This makes parameters with many items a bit hard to read as it results in long lines. Postfix also supports an alternative declaration where subsequent parameter values are written in a new line that starts with whitespace and thus forms a continuation of the previous line. This makes parsing multiple entry lines easier for humans. Old style: smtpd_milters = { unix:/run/spamass-milter/postfix/sock, connect_timeout=10s, default_action=accept } { inet:localhost:10003, connect_timeout=10s, default_action=accept } { inet:localhost:10004, connect_timeout=10s, default_action=accept } { inet:localhost:10006, connect_timeout=10s, default_action=accept } { inet:localhost:10007, connect_timeout=10s, default_action=accept } New style: smtpd_milters = { unix:/run/spamass-milter/postfix/sock, connect_timeout=10s, default_action=accept } { inet:localhost:10003, connect_timeout=10s, default_action=accept } { inet:localhost:10004, connect_timeout=10s, default_action=accept } { inet:localhost:10006, connect_timeout=10s, default_action=accept } { inet:localhost:10007, connect_timeout=10s, default_action=accept }
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@ -19,7 +19,7 @@
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{%- if value is number or value is string -%}
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{{ parameter }} = {{ value }}
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{%- elif value is iterable -%}
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{{ parameter }} = {{ value | join(', ')}}
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{{ parameter }} = {{ value | join('\n') | indent(parameter | length + 3) }}
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{%- endif -%}
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{%- do processed_parameters.append(parameter) %}
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{%- endif %}
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