build hoogle on ci

.github/workflows/nix-build.yml

@@ -30,6 +30,18 @@ jobs:
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: nix-build ci.nix -A shell
 
+  hoogle:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3.0.2
+    - uses: cachix/install-nix-action@v17
+    - uses: cachix/cachix-action@v10
+      with:
+        name: feedback
+        extraPullNames: validity,sydtest,autodocodec
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    - run: nix-build ci.nix -A hoogle
+
   tests:
     runs-on: ubuntu-latest
     steps:

ci.nix

@@ -7,6 +7,10 @@ in
 {
   release = pkgs.feedbackRelease;
   pre-commit-check = pre-commit.run;
+  hoogle = pkgs.buildEnv {
+    name = "feedback-hoogle";
+    paths = [ (pkgs.haskellPackages.ghcWithHoogle (ps: pkgs.lib.attrValues pkgs.feedbackPackages)) ];
+  };
   shell = pkgs.symlinkJoin {
     name = "shell";
     paths = (import ./shell.nix { inherit sources pkgs pre-commit; }).buildInputs;

nix/sources.json

@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "hercules-ci",
         "repo": "gitignore.nix",
-        "rev": "f2ea0f8ff1bce948ccb6b893d15d5ea3efaf1364",
-        "sha256": "02q2yvakyh9x9h9x9az2rr3h6h0zymhrl0z2xflc6blvz6zzqkf2",
+        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "sha256": "07vg2i9va38zbld9abs9lzqblz193vc5wvqd6h7amkmwf66ljcgh",
         "type": "tarball",
-        "url": "https://github.com/hercules-ci/gitignore.nix/archive/f2ea0f8ff1bce948ccb6b893d15d5ea3efaf1364.tar.gz",
+        "url": "https://github.com/hercules-ci/gitignore.nix/archive/a20de23b925fd8264fd7fad6454652e142fd7f73.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "niv": {
@@ -41,10 +41,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "478f3cbc8448b5852539d785fbfe9a53304133be",
-        "sha256": "1xdr33l7hg7v81dm4m5a8hysa33z6gqisq0hyrdkds3yrnnxfp2w",
+        "rev": "a82127cea64fd801c5e138ae23dfd444ec1e06d1",
+        "sha256": "07i03bwpk5s6daqc5s1v02zfjzmvl5sz8s3xccg9akcbn9phyn2s",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/478f3cbc8448b5852539d785fbfe9a53304133be.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a82127cea64fd801c5e138ae23dfd444ec1e06d1.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pre-commit-hooks": {