39 lines
1.5 KiB
XML
39 lines
1.5 KiB
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-1.4">
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<title>Release 1.4 (2013-02-26)</title>
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<para>This release fixes a security bug in multi-user operation. It
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was possible for derivations to cause the mode of files outside of the
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Nix store to be changed to 444 (read-only but world-readable) by
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creating hard links to those files (<link
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xlink:href="https://github.com/NixOS/nix/commit/5526a282b5b44e9296e61e07d7d2626a79141ac4">details</link>).</para>
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<para>There are also the following improvements:</para>
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<itemizedlist>
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<listitem><para>New built-in function:
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<function>builtins.hashString</function>.</para></listitem>
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<listitem><para>Build logs are now stored in
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<filename>/nix/var/log/nix/drvs/<emphasis>XX</emphasis>/</filename>,
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where <emphasis>XX</emphasis> is the first two characters of
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the derivation. This is useful on machines that keep a lot of build
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logs (such as Hydra servers).</para></listitem>
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<listitem><para>The function <function>corepkgs/fetchurl</function>
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can now make the downloaded file executable. This will allow
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getting rid of all bootstrap binaries in the Nixpkgs source
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tree.</para></listitem>
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<listitem><para>Language change: The expression <literal>"${./path}
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..."</literal> now evaluates to a string instead of a
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path.</para></listitem>
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</itemizedlist>
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</section>
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