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Fix links to config.nix in source

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Link to today's permalink at github instead of master. When this was originally written, ~/.nixpkgs/config.nix was loaded by all-packages.nix. But this was moved to pkgs/top-level/default.nix and then to pkgs/top-level/impure.nix
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4af2bf6663
This commit is contained in:
Yonathan Randolph 2022-06-28 13:48:16 -07:00
parent a2a1262326
commit ddd0a63dac
2 changed files with 5 additions and 5 deletions
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4
pills/16-nixpkgs-parameters.xml
View file

@ -63,10 +63,10 @@
<section>
<title>The config parameter</title>
<para>
I'm sure on the wiki or other manuals you've read about <filename>~/.nixpkgs/config.nix</filename> and I'm sure you've wondered whether that's hardcoded in nix. It's not, it's in <link xlink:href="https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/all-packages.nix#L45">nixpkgs</link>.
I'm sure on the wiki or other manuals you've read about <filename>~/.config/nixpkgs/config.nix</filename> (previously <filename>~/.nixpkgs/config.nix</filename>) and I'm sure you've wondered whether that's hardcoded in nix. It's not, it's in <link xlink:href="https://github.com/NixOS/nixpkgs/blob/32c523914fdb8bf9cc7912b1eba023a8daaae2e8/pkgs/top-level/impure.nix#L28">nixpkgs</link>.
</para>
<para>
The <filename>all-packages.nix</filename> expression accepts the <literal>config</literal> parameter. If it's <literal>null</literal>, then it reads the <varname>NIXPKGS_CONFIG</varname> environment variable. If not specified, <literal>nixpkgs</literal> will peek <filename>$HOME/.nixpkgs/config.nix</filename>.
The <filename>all-packages.nix</filename> expression accepts the <literal>config</literal> parameter. If it's <literal>null</literal>, then it reads the <varname>NIXPKGS_CONFIG</varname> environment variable. If not specified, <literal>nixpkgs</literal> will peek <filename>$HOME/.config/nixpkgs/config.nix</filename>.
</para>
<para>
After determining <filename>config.nix</filename>, it will be imported as nix expression, and that will be the value of <literal>config</literal> (in case it hasn't been passed as parameter to import <literal>&lt;nixpkgs&gt;</literal>).

6
pills/17-nixpkgs-overriding-packages.xml
View file

@ -108,12 +108,12 @@
</para>
</section>
<section>
<title>The ~/.nixpkgs/config.nix file</title>
<title>The ~/.config/nixpkgs/config.nix file</title>
<para>
In the previous pill we already talked about this file. The above <filename>config.nix</filename> that we just wrote could be the content of <filename>~/.nixpkgs/config.nix</filename>.
In the previous pill we already talked about this file. The above <filename>config.nix</filename> that we just wrote could be the content of <filename>~/.config/nixpkgs/config.nix</filename> (or the deprecated location <filename>~/.nixpkgs/config.nix</filename>).
</para>
<para>
Instead of passing it explicitly whenever we import <literal>nixpkgs</literal>, it will be automatically <link xlink:href="https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/all-packages.nix#L54">imported by nixpkgs</link>.
Instead of passing it explicitly whenever we import <literal>nixpkgs</literal>, it will be automatically <link xlink:href="https://github.com/NixOS/nixpkgs/blob/32c523914fdb8bf9cc7912b1eba023a8daaae2e8/pkgs/top-level/impure.nix#L28">imported by nixpkgs</link>.
</para>
</section>
<section>