2014-09-16 12:29:00 +00:00
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<section xmlns="http://docbook.org/ns/docbook"
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2014-08-27 16:41:09 +00:00
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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="ch-relnotes-0.7">
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<title>Release 0.7 (January 12, 2005)</title>
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<itemizedlist>
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<listitem><para>Binary patching. When upgrading components using
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pre-built binaries (through nix-pull / nix-channel), Nix can
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automatically download and apply binary patches to already installed
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components instead of full downloads. Patching is “smart”: if there
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is a <emphasis>sequence</emphasis> of patches to an installed
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component, Nix will use it. Patches are currently generated
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automatically between Nixpkgs (pre-)releases.</para></listitem>
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<listitem><para>Simplifications to the substitute
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mechanism.</para></listitem>
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<listitem><para>Nix-pull now stores downloaded manifests in
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<filename>/nix/var/nix/manifests</filename>.</para></listitem>
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<listitem><para>Metadata on files in the Nix store is canonicalised
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after builds: the last-modified timestamp is set to 0 (00:00:00
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1/1/1970), the mode is set to 0444 or 0555 (readable and possibly
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executable by all; setuid/setgid bits are dropped), and the group is
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set to the default. This ensures that the result of a build and an
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installation through a substitute is the same; and that timestamp
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dependencies are revealed.</para></listitem>
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</itemizedlist>
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2014-09-16 12:29:00 +00:00
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</section>
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