Upgrade Haskell.nix and switch to GHC 9.2.5 (#107)

.github/workflows/nix-build.yml

@@ -1,17 +1,23 @@
-name: "Test"
+name: Build
-on:
+on: [push, pull_request, release]
-  pull_request:
-  push:
 jobs:
-  tests:
+  build:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2.3.4
-    - uses: cachix/install-nix-action@v16
+      with:
+          persist-credentials: false
+          submodules: true
+
+    - uses: cachix/install-nix-action@v14.1
       with:
         nix_path: nixpkgs=channel:nixos-unstable
+        extra_nix_config: |
+          trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
+          substituters = https://cache.nixos.org/ https://cache.iog.io
     - uses: cachix/cachix-action@v10
       with:
         name: weeder
-        signingKey: 7Pn6R7tF95HC2INHlVsphnqzZNT8Zmx3GBoqtwIvvH5F1SYlqVocPnR8aDds2qw4aYbNFGpMhpyY8G79e2OXcg==
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+
     - run: nix-build -A hsPkgs.weeder.components.exes

default.nix

@@ -1,4 +1,4 @@
-{ compiler-nix-name ? "ghc922" }:
+{ compiler-nix-name ? "ghc925" }:
 let
   haskellNix = import (import ./nix/sources.nix)."haskell.nix" {};
 

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "https://input-output-hk.github.io/haskell.nix",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "a226667e1a2a77b50baa2481a5bc3e51a6fee792",
+        "rev": "e339ff5b2862443f19971c524a09169c10706aaa",
-        "sha256": "1kyhxg4iy3sx021d8da84xdal6a9q109ff96fi3kg2j8n2jcgi2k",
+        "sha256": "0r6sjxl89i297ibvqx4zs5dvkjd9hhp4zyspalva94mbzaxl8404",
         "type": "tarball",
-        "url": "https://github.com/input-output-hk/haskell.nix/archive/a226667e1a2a77b50baa2481a5bc3e51a6fee792.tar.gz",
+        "url": "https://github.com/input-output-hk/haskell.nix/archive/e339ff5b2862443f19971c524a09169c10706aaa.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "niv": {

nix/sources.nix

@@ -31,8 +31,28 @@ let
           if spec ? branch then "refs/heads/${spec.branch}" else
             if spec ? tag then "refs/tags/${spec.tag}" else
               abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
+      submodules = if spec ? submodules then spec.submodules else false;
+      submoduleArg =
+        let
+          nixSupportsSubmodules = builtins.compareVersions builtins.nixVersion "2.4" >= 0;
+          emptyArgWithWarning =
+            if submodules == true
+            then
+              builtins.trace
+                (
+                  "The niv input \"${name}\" uses submodules "
+                  + "but your nix's (${builtins.nixVersion}) builtins.fetchGit "
+                  + "does not support them"
+                )
+                {}
+            else {};
+        in
+          if nixSupportsSubmodules
+          then { inherit submodules; }
+          else emptyArgWithWarning;
     in
-      builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
+      builtins.fetchGit
+        ({ url = spec.repo; inherit (spec) rev; inherit ref; } // submoduleArg);
 
   fetch_local = spec: spec.path;