104e55bb7f
So you can now do things like: $ nix-env -qa '.*zip.*' $ nix-env -qa '.*(firefox|chromium).*'
31 lines
949 B
XML
31 lines
949 B
XML
<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="ssec-relnotes-1.8">
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<title>Release 1.8 (TBA)</title>
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<itemizedlist>
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<listitem><para><command>nix-env</command> selectors are now regular
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expressions. For instance, you can do
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<screen>
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$ nix-env -qa '.*zip.*'
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</screen>
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to query all packages with a name containing
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<literal>zip</literal>.</para></listitem>
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<listitem><para>Derivations can specify the new special attribute
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<varname>allowedRequisites</varname>, which has a similar meaning to
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<varname>allowedReferences</varname>. But instead of only enforcing
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to explicitly specify the immediate references, it requires the
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derivation to specify all the dependencies recursively (hence the
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name, requisites) that are used by the resulting
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output.</para></listitem>
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</itemizedlist>
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</section>
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