mirror of
https://github.com/privatevoid-net/nix-super.git
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93 lines
2.9 KiB
XML
93 lines
2.9 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-2.3">
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<title>Release 2.3 (2019-08-??)</title>
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<para>This is primarily a bug fix release. However, it makes some
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incompatible changes:</para>
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<itemizedlist>
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<listitem>
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<para>Nix now uses BSD file locks instead of POSIX file
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locks. Since previous releases used POSIX file locks, you should
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not use Nix 2.2 and previous releases at the same time on a Nix
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store.</para>
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</listitem>
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</itemizedlist>
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<para>It also has the following changes:</para>
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<itemizedlist>
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<listitem>
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<para><function>builtins.fetchGit</function>'s <varname>ref</varname>
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argument now allows specifying an absolute remote ref.
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Nix will automatically prefix <varname>ref</varname> with
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<literal>refs/heads</literal> only if <varname>ref</varname> doesn't
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already begin with <literal>refs/</literal>.
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</para>
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</listitem>
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<listitem>
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<para>The installer now enables sandboxing by default on
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Linux. The <literal>max-jobs</literal> setting now defaults to
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1.</para>
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</listitem>
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<listitem>
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<para>New builtin functions:
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<literal>builtins.isPath</literal>,
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<literal>builtins.hashFile</literal>.
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</para>
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</listitem>
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<listitem>
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<para><command>nix</command>: Add
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<option>--print-build-logs</option> (<option>-L</option>) flag to
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print build log output to stderr rather than showing the last log
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line in the progress bar. To distinguish between concurrent
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builds, log lines are prefixed by the name of the package.
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</para>
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</listitem>
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<listitem>
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<para>Builds are now executed in a pseudo-terminal, and the
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<envar>TERM</envar> evnironment variable is set to
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<literal>xterm-256color</literal>. This allows many programs
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(e.g. <command>gcc</command>, <command>clang</command>,
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<command>cmake</command>) to print colorized log output.</para>
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</listitem>
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<listitem>
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<para>Add <option>--no-net</option> convenience flag. This flag
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disables substituters; sets the <literal>tarball-ttl</literal>
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setting to infinity (ensuring that any previously downloaded files
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are considered current); and disables retrying downloads and sets
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the connection timeout to the minimum. This flag is enabled
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automatically if there are no configured non-loopback network
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interfaces.</para>
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</listitem>
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<listitem>
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<para>Add a <literal>post-build-hook</literal> setting to run a
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program after a build has succeeded.</para>
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</listitem>
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<listitem>
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<para>Add a <literal>trace-function-calls</literal> setting to log
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the duration of Nix function calls to stderr.</para>
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</listitem>
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<listitem>
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<para>On Linux, sandboxing is now disabled by default on systems
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that don’t have the necessary kernel support.</para>
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</listitem>
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</itemizedlist>
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</section>
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