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Use less confusing syntax (#85)

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Julian Antonielli 2023-04-09 11:30:52 +01:00 committed by GitHub
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README.md
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@ -12,19 +12,27 @@ flakes.
## Usage
### `system -> (<system> -> <system>)`
### `system :: { system = system, ... }`
A map from system to system built from `allSystems`. It's mainly useful to
detect typos and auto-complete if you use
[rnix-lsp](https://github.com/nix-community/rnix-lsp).
A map from system to system built from `allSystems`:
```nix
system = {
x86_64-linux = "x86_64-linux";
x86_64-darwin = "x86_64-darwin";
...
}
```
It's mainly useful to
detect typos and auto-complete if you use [rnix-lsp](https://github.com/nix-community/rnix-lsp).
Eg: instead of typing `"x86_64-linux"`, use `system.x86_64-linux`
Eg: instead of typing `"x86_64-linux"`, use `system.x86_64-linux`.
### `allSystems -> [<system>]`
A list of all systems defined in nixpkgs. For a smaller list see `defaultSystems`
### `allSystems :: [<system>]`
### `defaultSystems -> [<system>]`
A list of all systems defined in nixpkgs. For a smaller list see `defaultSystems`.
### `defaultSystems :: [<system>]`
The list of systems supported by nixpkgs and built by hydra.
Useful if you want add additional platforms:
@ -33,7 +41,7 @@ Useful if you want add additional platforms:
eachSystem (defaultSystems ++ [system.armv7l-linux]) (system: { hello = 42; })
```
### `eachSystem -> [<system>] -> (<system> -> attrs)`
### `eachSystem :: [<system>] -> (<system> -> attrs)`
A common case is to build the same structure for each system. Instead of
building the hierarchy manually or per prefix, iterate over each systems and
@ -56,7 +64,7 @@ eachSystem allSystems (system: { hello = 42; })
}
```
### `eachDefaultSystem -> (<system> -> attrs)`
### `eachDefaultSystem :: (<system> -> attrs)`
`eachSystem` pre-populated with `defaultSystems`.
@ -91,7 +99,7 @@ eachSystem allSystems (system: { hello = 42; })
A small utility that builds the structure expected by the special `apps` and `defaultApp` prefixes.
### `flattenTree -> attrs -> attrs`
### `flattenTree :: attrs -> attrs`
Nix flakes insists on having a flat attribute set of derivations in
various places like the `packages` and `checks` attributes.
@ -115,7 +123,7 @@ Returns:
}
```
### `simpleFlake -> attrs -> attrs`
### `simpleFlake :: attrs -> attrs`
This function should be useful for most common use-cases where you have a
simple flake that builds a package. It takes nixpkgs and a bunch of other