···

       
2
       
2
       
 
       
this document outlines things that i learned from various sources and some pure guesswork

     

       
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3
       
 
       


     

       
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4
       
 
       
> To learn Nix is to learn to suffer, and to learn the way of numbing the pain

     

       
5
       
5
       
-
       
— Cassie circa. 2023

     

       
5
       
5
       
+
       
>

     

       
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6
       
+
       
> — Cassie circa. 2023

     

       
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7
       
 
       


     

       
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## overriding packages

     

       
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the pill confused me and i thought i had to make overlays to do overrides but no

     
···

       
147
       
148
       
 
       


     

       
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just don't!!!11 remove the pkgs definition. (note that this only applies to `pkgs = import nixpkgs {};`)

     

       
149
       
150
       
 
       


     

       
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150
       
-
       
### explanation

     

       
151
       
151
       
+
       
explanation

     

       
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152
       
+
       


     

       
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> you shouldn't ever really import nixpkgs with an empty attrset either

     

       
152
       
154
       
 
       
>

     

       
153
       
155
       
 
       
> that causes it to fall back on guessing your system using `builtins.currentSystem`,

     

       
154
       
156
       
 
       
> which is impure and so not allowed in pure evaluation mode

     

       
155
       
155
       
-
       
— \@getchoo

     

       
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156
       
-
       
## Useful links

     

       
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157
       
+
       
>

     

       
158
       
158
       
+
       
> — \@getchoo

     

       
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159
       
+
       


     

       
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+
       
# Useful links

     

       
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161
       
 
       


     

       
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Builtin stdlib functions search engine: https://noogle.dev/

     

       
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163