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75 lines
1.5 KiB
XML
75 lines
1.5 KiB
XML
<appendix xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xml:id="chap-hacking">
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<title>Hacking</title>
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<para>This section provides some notes on how to hack on Nix. To get
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the latest version of Nix from GitHub:
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<screen>
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$ git clone https://github.com/NixOS/nix.git
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$ cd nix
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</screen>
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</para>
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<para>To build Nix for the current operating system/architecture use
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<screen>
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$ nix-build
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</screen>
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or if you have a flakes-enabled nix:
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<screen>
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$ nix build
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</screen>
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This will build <literal>defaultPackage</literal> attribute defined in the <literal>flake.nix</literal> file.
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To build for other platforms add one of the following suffixes to it: aarch64-linux,
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i686-linux, x86_64-darwin, x86_64-linux.
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i.e.
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<screen>
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nix-build -A defaultPackage.x86_64-linux
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</screen>
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</para>
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<para>To build all dependencies and start a shell in which all
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environment variables are set up so that those dependencies can be
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found:
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<screen>
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$ nix-shell
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</screen>
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To build Nix itself in this shell:
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<screen>
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[nix-shell]$ ./bootstrap.sh
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[nix-shell]$ ./configure $configureFlags
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[nix-shell]$ make -j $NIX_BUILD_CORES
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</screen>
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To install it in <literal>$(pwd)/inst</literal> and test it:
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<screen>
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[nix-shell]$ make install
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[nix-shell]$ make installcheck
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[nix-shell]$ ./inst/bin/nix --version
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nix (Nix) 2.4
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</screen>
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If you have a flakes-enabled nix you can replace:
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<screen>
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$ nix-shell
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</screen>
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by:
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<screen>
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$ nix develop
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</screen>
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</para>
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</appendix>
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