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Enable Hoogle for local packages #5914

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8 changes: 8 additions & 0 deletions nix/README.md
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Expand Up @@ -31,6 +31,14 @@ and run `sudo nixos-rebuild switch` afterward.

It is _not_ recommended to add your user to `trusted-users`. This _can_ make enabling flake configurations simpler (like the Unison Nix cache here), but [it is equivalent to giving that user root access (without need for sudo)](https://nix.dev/manual/nix/2.23/command-ref/conf-file.html#conf-trusted-users).

## exploring the project

``` bash
nix develop --command hoogle server --local
```

will run a [Hoogle](github.com/ndmitchell/hoogle#readme) server at http://127.0.0.1:8080 with all of the Unison code & dependencies available.

## Building package components with nix

### Build the unison executable
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14 changes: 2 additions & 12 deletions nix/haskell-nix-flake.nix
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Expand Up @@ -92,18 +92,8 @@ in
defaultPackage = haskell-nix-flake.packages."unison-cli-main:exe:unison";

devShells = let
mkDevShell = pkg:
shellFor {
packages = _hpkgs: [pkg];
## Enabling Hoogle causes us to rebuild GHC.
withHoogle = false;
};
mkDevShell = pkg: shellFor {packages = _hpkgs: [pkg];};
in
{
local = shellFor {
packages = _hpkgs: builtins.attrValues localPackages;
withHoogle = false;
};
}
{local = shellFor {packages = _hpkgs: builtins.attrValues localPackages;};}
// pkgs.lib.mapAttrs (_name: mkDevShell) localPackages;
}
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