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Freeform modules release notes #95932

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jonringer merged 2 commits into from
Aug 21, 2020
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Freeform modules release notes #95932

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b4cd0b8
release-notes: Mention freeform modules
infinisil Aug 21, 2020
80567e9
release-notes: Mention stricter option evaluation
infinisil Aug 21, 2020
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12 changes: 12 additions & 0 deletions nixos/doc/manual/release-notes/rl-2009.xml
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Expand Up @@ -190,6 +190,11 @@ GRANT ALL PRIVILEGES ON *.* TO 'mysql'@'localhost' WITH GRANT OPTION;
</programlisting>
</para>
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<listitem>
<para>
The NixOS module system now supports freeform modules as a mix between <literal>types.attrsOf</literal> and <literal>types.submodule</literal>. These allow you to explicitly declare a subset of options while still permitting definitions without an associated option. See <xref linkend='sec-freeform-modules'/> for how to use them.
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</section>

Expand Down Expand Up @@ -731,6 +736,13 @@ CREATE ROLE postgres LOGIN SUPERUSER;
The USBGuard module now removes options and instead hardcodes values for <literal>IPCAccessControlFiles</literal>, <literal>ruleFiles</literal>, and <literal>auditFilePath</literal>. Audit logs can be found in the journal.
</para>
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<listitem>
<para>
The NixOS module system now evaluates option definitions more strictly, allowing it to detect a larger set of problems.
As a result, what previously evaluated may not do so anymore.
See <link xlink:href="https://github.com/NixOS/nixpkgs/pull/82743#issuecomment-674520472">the PR that changed this</link> for more info.
</para>
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</section>

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