2007-02-06 22:25:36 +01:00
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<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink">
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<title>Development</title>
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<para>This chapter has some random notes on hacking on
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NixOS.</para>
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<section>
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<title>Building specific parts of NixOS</title>
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<para>
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<screen>
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$ nix-build system/system.nix \
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--arg configuration "import /etc/nixos/configuration.nix" \
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-A <replaceable>attr</replaceable></screen>
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where <replaceable>attr</replaceable> is an attribute in
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2007-02-19 23:33:44 +01:00
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<filename>system/system.nix</filename> (e.g.,
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<literal>bootStage1</literal>).</para>
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2007-02-06 22:25:36 +01:00
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</section>
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<section>
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<title>Testing the installer</title>
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<para>Building, burning, and booting from an installation CD is rather
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tedious, so here is a quick way to see if the installer works
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properly:
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<screen>
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$ nix-build .../nixos/configuration/rescue-cd.nix -A system.nixosInstall
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$ dd if=/dev/zero of=diskimage seek=2G count=0 bs=1
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$ yes | mke2fs -j diskimage
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$ mount -o loop diskimage /mnt
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$ ./result/bin/nixos-install</screen>
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</para>
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</section>
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</chapter>
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