nixpkgs/doc/manual/development.xml
Eelco Dolstra 17cc5ecc47 * Add OpenSSH and pciutils to the boot environment.
svn path=/nixos/trunk/; revision=7918
2007-02-19 22:33:44 +00:00

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