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Fixing usage CLI instructions #3

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Fixing usage CLI instructions #3

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a7e1095
Add README.md
Lucus16 Oct 10, 2018
8010039
Fixing usage CLI instructions
spacekookie Jan 29, 2019
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35 changes: 35 additions & 0 deletions README.md
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`mix-to-nix` is a small tool for generating nix packages from `mix.lock` files.

## Usage

You can create an overlay, add `mix-to-nix` and use it to generate your nix
packages.

```nix
self: super:
{
foobar =
let
src = fetchGit {
url = https://github.com/example/foobar;
rev = "examplerev000000000000000000000000000000";
ref = "v1.0.0";
};
in
self.callPackage (self.mixToNix src) {};

mixToNix = self.callPackage (fetchGit {
url = "https://github.com/serokell/mix-to-nix";
rev = "examplerev000000000000000000000000000000";
ref = "v1.0.0";
}) {};
}
```

You can also use it to manually generate a `default.nix`:

```sh
mix deps.get
mix escript.build
./mix2nix /path/to/mix.lock > /path/to/default.nix
```