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| author | Jasper Ras <jaspert.ras@gmail.com> | 2025-04-26 13:13:58 +0200 |
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| committer | Jasper Ras <jaspert.ras@gmail.com> | 2025-04-26 13:13:58 +0200 |
| commit | f0a7d563a385663513f24aecad92219ecfc83bd8 (patch) | |
| tree | d3b201241bd8934a63646d26a94c9b2730775ca0 /Basic building blocks of Nix.md | |
| parent | 80325cced8485df9d87c1b5d9f5d123d85b01336 (diff) | |
vault backup: 2025-04-26 13:13:58
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diff --git a/Basic building blocks of Nix.md b/Basic building blocks of Nix.md new file mode 100644 index 0000000..17f3ea0 --- /dev/null +++ b/Basic building blocks of Nix.md @@ -0,0 +1,21 @@ +--- +tags: + - nix +--- +It's easy to forget the basic building blocks of [[Nix]], because mostly time is spent configuring settings that make it feel like it's just some kind of JSON. + +Then, what are those building blocks? +- Derivations +- Store derivation (.drv) +- Store +- The language + +Derivation = Description of how to build a package, specifying its exact inputs. Following this recipe should result in exactly the same package no matter when we run it. + +Derivation -> instantiate -> Store derivation. (`nix derivation show`) + + +### Flake +Armed with this knowledge it should be easier to recognize what a Flake actually is. We can specify inputs that we can use to build stuff which we specify in outputs. + +The outputs thus have to be derivations. These can be tested as described in [[A nice way to test flake output]].
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