# Updating nix package config

1. Install `nix`, `gawk` and `jq`.

2. Start nix-shell from repo root:

```sh
nix-shell -p nix-prefetch-git
```

3. Run in nix shell:

```sh
gawk -f ./scripts/nix/update-sha256.awk cabal.project > ./scripts/nix/sha256map.nix
```