.gitlab-ci.yml

 stages:
-- generate
-- flake
-- cache
+- build
+- devour
+- cachix
 
-generate-flake-ci:
-  stage: generate
+build:
+  stage: build
   script:
-  - nix run "git+https://gitlab.nixica.dev/haskell/flake-to-gitlab-ci?ref=refs/tags/0.2.4.1" > flake-ci-x86_64-linux.yml
-  artifacts:
-    paths:
-      - flake-ci-x86_64-linux.yml
+  - nix build .#packages.$SYSTEM.$PACKAGE -L
+  parallel:
+    matrix:
+      - SYSTEM:
+         - aarch64-darwin
+         - x86_64-linux
+        PACKAGE:
+         - aeson
+         - beam-postgres
+         - composite-base
+         - dhall
+         - hedgehog
+         - hoauth2-providers
+         - log-effectful
+         - persistent-postgresql
+         - polysemy
+         - servant
+         - souffle-haskell
+         - sydtest
+         - tasty
+         - wai-app-static
+         - warp
+      - SYSTEM:
+         - x86_64-linux
+        PACKAGE:
+         - streamly
 
-x86_64-linux-ci:
-  stage: flake
-  trigger:
-    include:
-      - artifact: flake-ci-x86_64-linux.yml
-        job: generate-flake-ci
-    strategy: depend
+devour:
+  stage: devour
+  script:
+  - nix build github:srid/devour-flake#packages.$SYSTEM.default -L --no-link --print-out-paths --override-input flake . --keep-going
+  parallel:
+    matrix:
+      - SYSTEM:
+         - aarch64-darwin
+         - x86_64-linux
 
 cachix:
-  stage: cache
-  only:
-    refs:
-    - master
-    - cachix
+  stage: cachix
+  rules:
+    - if: $CI_COMMIT_REF_PROTECTED == "true"
   script:
-  - nix-shell -p cachix --command "nix build github:srid/devour-flake -L --no-link --print-out-paths --override-input flake . | xargs cat | cachix push horizon"
+    - nix-shell -p cachix --command "nix build github:srid/devour-flake#packages.$SYSTEM.default -L --no-link --print-out-paths --override-input flake . | xargs cat | cachix push horizon"
+  parallel:
+    matrix:
+      - SYSTEM:
+         - aarch64-darwin
+         - x86_64-linux

README.md

@@ -2,41 +2,48 @@
 
 [horizon-haskell.net](https://horizon-haskell.net).
 
-Horizon is a haskell package set targetting new builds of GHC.
-
-## Package Set Policy
-
-This package set has the following policy.
-
-* GHC will advance as often as possible
-* Nonversioned locations (git, unversioned tarballs) are permitted to allow
-  GHC to advance.
-* The following packages must always build:
-  * aeson
-  * beam-postgres
-  * composite-base
-  * dhall
-  * haskell-language-server
-  * hedgehog
-  * pandoc
-  * persistent-postgresql
-  * polysemy
-  * servant
-  * sydtest
-  * tasty
-  * wai-app-static
-  * warp
+horizon-platform is a haskell package set targetting new builds of GHC. This package set extends [horizon-platform](https://gitlab.horizon-haskell.net/package-sets/horizon-platform).
+
+
+The following things are expected to be here:
+* aeson
+* beam-postgres
+* composite-base
+* dhall
+* hedgehog
+* hoauth2-providers
+* log-effectful
+* persistent-postgresql
+* polysemy
+* servant
+* souffle-haskell
+* streamly
+* sydtest
+* tasty
+* wai-app-static
+* warp
 
 ## Updating the Package Set
 
 Generating the nix expressions for the package set is a two step process.
 
 1. Edit the `horizon.dhall` file.
-2. Generate the nix expressions with `nix run develop/#horizon-gen-nix`.
+2. Generate the nix expressions with
+
+```
+nix run develop/#horizon-gen-nix -- -jN
+```
 
 You can edit the `horizon.dhall` file in one of two ways: manually using a text
 editor, or programatically using `horizon-shell`.
 
+If you want to bumping everything listed in the `horizon.dhall` file to the latest
+bounds, run
+
+```
+nix run develop/#try-to-upgrade-everything
+```
+
 ### Using horizon-shell.
 
 To use `horizon-shell`.
@@ -60,9 +67,6 @@ If you need to do additional manual overrides to the nix code, such as
 `addPkgconfigDepends`, edit the `configuration/common.nix` overlay, which is
 applied over the generated derivations.
 
-If you need to nullify libraries, use the `configuration/hacking.nix` overlay.
-Try to leave a note as to why this library has been nullified.
-
 ## Feedback
 
 To build all packages, run
@@ -73,8 +77,8 @@ nix run develop/#feedback -- build
 
 ## Hoogle
 
-To run a hoogle server containing the entire package set. Do
+To get a hoogle instance for the entire package set, you can run:
 
 ```
-nix run .#run-hoogle
+nix run .#apps.x86_64-linux.run-hoogle
 ```

configuration/aarch64-darwin.nix

@@ -12,7 +12,11 @@ final: prev: {
 
   libsystemd-journal = null;
 
+  llvm-hs = null;
+
   sdl2-mixer = null;
 
+  streamly = null;
+
 }
 

configuration/aarch64-linux.nix

+{ pkgs, haskellLib }:
+
+with haskellLib;
+
+final: prev: {
+
+  dhall-docs = null;
+
+  hfsevents = null;
+  
+  mmark = null;
+
+  stripeapi = null;
+}

configuration/common.nix

@@ -4,94 +4,18 @@ with haskellLib;
 
 final: prev: {
 
-  Cabal-QuickCheck = null;
+  cheapskate = null;
 
-  Cabal-described = null;
-
-  Cabal-tree-diff = null;
-
-  base64-bytestring-type = null;
-
-  digest = addExtraLibrary prev.digest pkgs.zlib;
-
-  digits = overrideCabal
-    prev.digits
-    (_:
-      {
-        patches = [
-          ./patches/digits-01.patch
-        ];
-      });
-
-  ghcide-bench = null;
-
-  ghcide-test-utils = null;
-
-  hopenssl = prev.hopenssl.override { openssl = pkgs.openssl; };
-
-  libsodium = prev.callPackage ../pkgs/libsodium.nix { inherit (pkgs) libsodium; };
-
-  saltine = addPkgconfigDepend prev.saltine pkgs.libsodium;
+  hasql-explain-tests = null;
 
   sandwich = null;
 
   text-icu = prev.callPackage ../pkgs/text-icu.nix { icu-i18n = pkgs.icu; };
 
-  sdl2-gfx = addSetupDepends
-    (overrideCabal prev.sdl2-gfx
-      { __onlyPropagateKnownPkgConfigModules = true; }
-    )
-    [ pkgs.pkg-config pkgs.SDL2 ];
-
-  sdl2-image =
-    addSetupDepends
-      (overrideCabal prev.sdl2-image
-        { __onlyPropagateKnownPkgConfigModules = true; }
-      )
-      [ pkgs.pkg-config pkgs.SDL2 pkgs.libtiff pkgs.libwebp ];
-
-  sdl2-mixer =
-    addSetupDepends
-      (overrideCabal prev.sdl2-mixer
-        { __onlyPropagateKnownPkgConfigModules = true; }
-      )
-      [ pkgs.pkg-config pkgs.SDL2 pkgs.libsndfile pkgs.libpulseaudio pkgs.alsa-lib pkgs.jack2 pkgs.glib pkgs.pcre2 ];
+  thyme = null;
 
-  sdl2-ttf =
-    addSetupDepends
-      (overrideCabal prev.sdl2-ttf
-        { __onlyPropagateKnownPkgConfigModules = true; }
-      )
-      [ pkgs.pkg-config pkgs.SDL2 pkgs.SDL2_ttf pkgs.harfbuzz pkgs.freetype pkgs.glib pkgs.pcre2 ];
+  tmp-postgres = null;
 
   X11-xft = addPkgconfigDepends prev.X11-xft [ pkgs.expat pkgs.xorg.libXau pkgs.xorg.libXdmcp ];
 
-  # hls needs to be compiled fairly differently, because it's dynamic we need
-  # to turn off profiling else ghc tries to look for dynamic profiled modules
-  # which cannot exist.
-  haskell-language-server = overrideCabal prev.haskell-language-server {
-    enableLibraryProfiling = false;
-    enableExecutableProfiling = false;
-    enableSharedExecutables = true;
-    preCheck = ''
-      export PATH=$PATH:$PWD/dist/build/haskell-language-server:$PWD/dist/build/haskell-language-server-wrapper
-      export HOME=$TMPDIR
-    '';
-    postInstall = ''
-      RUNPATH=`patchelf --print-rpath $out/bin/haskell-language-server | cut -d: -f2-`
-      GHC_VERSION=`ghc --version | awk '{print $NF;}'`
-      mv "$out/bin/haskell-language-server" "$out/bin/.haskell-language-server-''${GHC_VERSION}-unwrapped"
-      BOOT_PKGS=`ghc-pkg-$GHC_VERSION --global list --simple-output`
-      ${pkgs.gnused}/bin/sed \
-        -e "s!@@EXE_DIR@@!$out/bin!" \
-        -e "s/@@EXE_NAME@@/.haskell-language-server-''${GHC_VERSION}-unwrapped/" \
-        -e "s/@@GHC_VERSION@@/$GHC_VERSION/" \
-        -e "s/@@BOOT_PKGS@@/$BOOT_PKGS/" \
-        -e "s/@@ABI_HASHES@@/$(for dep in $BOOT_PKGS; do printf "%s:" "$dep" && ghc-pkg-$GHC_VERSION field $dep abi --simple-output ; done | tr '\n' ' ' | xargs)/" \
-        -e "s!Consider installing ghc.* via ghcup or build HLS from source.!Visit https://haskell4nix.readthedocs.io/nixpkgs-users-guide.html#how-to-install-haskell-language-server to lear how to correctly install a matching hls for your ghc with nix.!" \
-        bindist/wrapper.in > "$out/bin/haskell-language-server"
-      ln -s "$out/bin/haskell-language-server" "$out/bin/haskell-language-server-$GHC_VERSION"
-      chmod +x "$out/bin/haskell-language-server"
-    '';
-  };
 }

configuration/patches/digits-01.patch

-commit 1217673c07de672edee01d1befb7243ec2de6ca6
-Author: Daniel Firth <dan.firth@homotopic.tech>
-Date:   Sat Nov 4 10:32:11 2023 +0000
-
-    fix build
-
-diff --git a/Setup.lhs b/Setup.lhs
-index 384dfce..76660fd 100644
---- a/Setup.lhs
-+++ b/Setup.lhs
-@@ -2,6 +2,5 @@
- 
- > import Distribution.Simple
- > import System.Cmd
--> tests _ _ _ _ = system "runhaskell src/Tests.hs" >> return ()
--> main = defaultMainWithHooks (simpleUserHooks {runTests = tests})
-+> main = defaultMainWithHooks simpleUserHooks
- 

configuration/x86_64-darwin.nix

@@ -8,11 +8,18 @@ final: prev: {
 
   alsa-mixer = null;
 
+  hfsevents = prev.callPackage ../pkgs/hfsevents.nix {
+    Cocoa = pkgs.darwin.apple_sdk.frameworks.Cocoa;
+    CoreServices = pkgs.darwin.apple_sdk.frameworks.CoreServices;
+  };
+
   iwlib = null;
 
   libsystemd-journal = null;
 
   sdl2-mixer = null;
 
+  hinotify = final.hfsevents;
+
 }
 

configuration/x86_64-linux.nix

@@ -4,4 +4,6 @@ with haskellLib;
 
 final: prev: {
 
+  hfsevents = null;
+
 }

develop/flake.nix

@@ -6,11 +6,8 @@
   };
 
   inputs = {
-    feedback.url = "github:NorfairKing/feedback";
     flake-parts.url = "github:hercules-ci/flake-parts";
-    flake-to-gitlab-ci.url = "git+https://gitlab.nixica.dev/haskell/flake-to-gitlab-ci?ref=refs/tags/0.2.4.2";
-    horizon-gen-nix.url = "git+https://gitlab.horizon-haskell.net/haskell/horizon-gen-nix?ref=refs/tags/0.11.0";
-    horizon-shell.url = "git+https://gitlab.horizon-haskell.net/shells/horizon-shell?ref=refs/tags/0.0.9";
+    horizon-develop-flake.url = "git+https://gitlab.horizon-haskell.net/nix/horizon-develop-flake";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
 
@@ -28,69 +25,8 @@
           "x86_64-darwin"
           "x86_64-linux"
         ];
-        perSystem = { system, pkgs, ... }:
-          let
-            cachix-push-horizon-ghc-only = pkgs.writers.writeBashBin "cachix-push-horizon-ghc-only" ''
-              nix build -L --json .#packages.x86_64-linux.ghc | ${pkgs.jq}/bin/jq -r '.[].outputs | to_entries[].value' | ${pkgs.cachix}/bin/cachix push horizon
-            '';
-
-            cachix-push-horizon-devour = pkgs.writers.writeBashBin "cachix-push-horizon-devour" ''
-              nix build github:srid/devour-flake -L --no-link --print-out-paths --override-input flake . | xargs cat | ${pkgs.cachix}/bin/cachix push horizon
-            '';
-
-            devour-flake = pkgs.writers.writeBashBin "devour-flake" ''
-              nix build github:srid/devour-flake -L --no-link --print-out-paths --override-input flake . --keep-going
-            '';
-
-            test-template = pkgs.writers.writeBashBin "test-template" ''
-              mkdir temp
-              cd temp
-              nix flake init -t 'git+https://gitlab.horizon-haskell.net/templates/horizon-templates#minimal'
-              git init .
-              git add *
-              nix build github:srid/devour-flake -L --no-link --print-out-paths --override-input flake . --override-input flake/horizon-platform ../ --keep-going
-              cd ..
-              rm temp -rf
-            '';
-
-            run-horizon-gen-nix = pkgs.writers.writeBashBin "run-horizon-gen-nix" ''
-              ${pkgs.cabal-install}/bin/cabal update
-              ${inputs.horizon-gen-nix.packages.${system}.default}/bin/horizon-gen-nix $@;
-            '';
-
-          in
-          {
-
-            apps = {
-              cachix-push-horizon-devour = {
-                type = "app";
-                program = "${cachix-push-horizon-devour}/bin/cachix-push-horizon-devour";
-              };
-              cachix-push-horizon-ghc-only = {
-                type = "app";
-                program = "${cachix-push-horizon-ghc-only}/bin/cachix-push-horizon-ghc-only";
-              };
-              devour-flake = {
-                type = "app";
-                program = "${devour-flake}/bin/devour-flake";
-              };
-              feedback = {
-                type = "app";
-                program = "${inputs.feedback.packages.${system}.default}/bin/feedback";
-              };
-              flake-to-gitlab-ci = inputs.flake-to-gitlab-ci.apps.${system}.default;
-              horizon-gen-nix = inputs.horizon-gen-nix.apps.${system}.default;
-              horizon-shell = inputs.horizon-shell.apps.${system}.default;
-              run-horizon-gen-nix = {
-                program = "${run-horizon-gen-nix}/bin/run-horizon-gen-nix";
-                type = "app";
-              };
-              test-template = {
-                type = "app";
-                program = "${test-template}/bin/test-template";
-              };
-            };
-
-          };
+        imports = [
+          inputs.horizon-develop-flake.flakeModule
+        ];
       };
 }

feedback.yaml

-loops:
-  build:
-    command: nix build github:srid/devour-flake -L --no-link --print-out-paths --override-input flake . --keep-going
-    filter:
-      find: '*.nix'
-  check: nix flake check -L
-  gen:
-    command: dhall format horizon.dhall && nix run 'git+https://gitlab.horizon-haskell.net/haskell/horizon-gen-nix?ref=refs/tags/0.10.0' && git add pkgs && nix flake show 
-    filter:
-      find: horizon.dhall

flake.lock

@@ -5,11 +5,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1698882062,
-        "narHash": "sha256-HkhafUayIqxXyHH1X8d9RDl1M2CkFgZLjKD3MzabiEo=",
+        "lastModified": 1738453229,
+        "narHash": "sha256-7H9XgNiGLKN1G1CgRh0vUL4AheZSYzPm+zmZ7vxbJdo=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "8c9fa2545007b49a5db5f650ae91f227672c3877",
+        "rev": "32ea77a06711b758da0ad9bd6a844c5740a87abd",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         "nixpkgs-lib": "nixpkgs-lib_2"
       },
       "locked": {
-        "lastModified": 1698882062,
-        "narHash": "sha256-HkhafUayIqxXyHH1X8d9RDl1M2CkFgZLjKD3MzabiEo=",
+        "lastModified": 1717285511,
+        "narHash": "sha256-iKzJcpdXih14qYVcZ9QC9XuZYnPc6T8YImb6dX166kw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "8c9fa2545007b49a5db5f650ae91f227672c3877",
+        "rev": "2a55567fcf15b1b1c7ed712a2c6fadaec7412ea8",
         "type": "github"
       },
       "original": {
@@ -36,186 +36,268 @@
         "type": "github"
       }
     },
-    "flake-utils": {
+    "flake-parts_3": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib_3"
+      },
       "locked": {
-        "lastModified": 1644229661,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "lastModified": 1717285511,
+        "narHash": "sha256-iKzJcpdXih14qYVcZ9QC9XuZYnPc6T8YImb6dX166kw=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "2a55567fcf15b1b1c7ed712a2c6fadaec7412ea8",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
         "type": "github"
       }
     },
-    "flake-utils_2": {
+    "horizon-advance": {
+      "inputs": {
+        "flake-parts": [
+          "horizon-advance",
+          "horizon-core",
+          "flake-parts"
+        ],
+        "horizon-core": "horizon-core",
+        "horizon-hoogle": "horizon-hoogle_2",
+        "nixpkgs": "nixpkgs_4"
+      },
       "locked": {
-        "lastModified": 1644229661,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
-        "type": "github"
+        "lastModified": 1719751316,
+        "narHash": "sha256-exJ80zZPyiSxiYQb4IreK7LDpjfBLOCPb77QUn3TGR8=",
+        "ref": "lts/ghc-9.10.x",
+        "rev": "36784235da4dd828b3e139a855dc8410fff91376",
+        "revCount": 259,
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-advance"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
+        "ref": "lts/ghc-9.10.x",
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-advance"
+      }
+    },
+    "horizon-build-packages": {
+      "inputs": {
+        "flake-parts": [
+          "horizon-advance",
+          "horizon-core",
+          "horizon-build-packages",
+          "horizon-ghc",
+          "flake-parts"
+        ],
+        "horizon-ghc": "horizon-ghc",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1718969469,
+        "narHash": "sha256-0Q8v/yNwcLZy0znegLXx/SQmbfd2d/4TBSrFYh7g7+0=",
+        "ref": "refs/heads/master",
+        "rev": "23fa82740dc197706a3737c8830b724ccabafac4",
+        "revCount": 96,
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-build-packages"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-build-packages"
       }
     },
     "horizon-core": {
       "inputs": {
         "flake-parts": "flake-parts_2",
-        "lint-utils": "lint-utils",
-        "nixpkgs": "nixpkgs_2"
+        "horizon-build-packages": "horizon-build-packages",
+        "horizon-hoogle": "horizon-hoogle",
+        "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1699044695,
-        "narHash": "sha256-1PrOuOa1U+b6eJy7cB76Wt1UU4x312QM7YxQ/eKAfTY=",
-        "ref": "lts/ghc-9.4.x",
-        "rev": "f57ca82b03c477708644b26bae9fac2607ae6c6d",
-        "revCount": 1182,
+        "lastModified": 1718977916,
+        "narHash": "sha256-sssWF/XjZga4asgwvovPLAbg8E2EyLDQOYSFgUbKg6c=",
+        "ref": "refs/heads/master",
+        "rev": "81674e75e63548341ebe0cb94127044255affb55",
+        "revCount": 1375,
         "type": "git",
         "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-core"
       },
       "original": {
-        "ref": "lts/ghc-9.4.x",
         "type": "git",
         "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-core"
       }
     },
-    "lint-utils": {
+    "horizon-ghc": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "flake-parts": "flake-parts_3",
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1681737193,
-        "narHash": "sha256-c+0eLyF/VWZWGeB1DA88aDUZ3BjO6+jnsJpVW4wxs4w=",
+        "lastModified": 1718969245,
+        "narHash": "sha256-eeMsOK3Hmm23SH45GdbuWRtpEcMWZPC/JCYvKL2LOos=",
         "ref": "refs/heads/master",
-        "rev": "efaf89d12a6811f0e00034444904b8d169f0fa34",
-        "revCount": 48,
+        "rev": "0bcfe994903359aef81338915706bf6b2f38aaa4",
+        "revCount": 109,
         "type": "git",
-        "url": "https://gitlab.nixica.dev/nix/lint-utils"
+        "url": "https://gitlab.horizon-haskell.net/ghc/horizon-ghc"
       },
       "original": {
         "type": "git",
-        "url": "https://gitlab.nixica.dev/nix/lint-utils"
+        "url": "https://gitlab.horizon-haskell.net/ghc/horizon-ghc"
       }
     },
-    "lint-utils_2": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nixpkgs": "nixpkgs_3"
+    "horizon-hoogle": {
+      "locked": {
+        "lastModified": 1701521742,
+        "narHash": "sha256-huf/95jYL7mY0AHSziJYXx4m/sP+G+YAbJb+Q5Ph/Jg=",
+        "ref": "refs/heads/master",
+        "rev": "ddf3b08c6458c1a9e0d881f968c050bc828b9b8e",
+        "revCount": 2,
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/nix/horizon-hoogle"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/nix/horizon-hoogle"
+      }
+    },
+    "horizon-hoogle_2": {
+      "locked": {
+        "lastModified": 1701521742,
+        "narHash": "sha256-huf/95jYL7mY0AHSziJYXx4m/sP+G+YAbJb+Q5Ph/Jg=",
+        "ref": "refs/heads/master",
+        "rev": "ddf3b08c6458c1a9e0d881f968c050bc828b9b8e",
+        "revCount": 2,
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/nix/horizon-hoogle"
       },
+      "original": {
+        "type": "git",
+        "url": "https://gitlab.horizon-haskell.net/nix/horizon-hoogle"
+      }
+    },
+    "horizon-hoogle_3": {
       "locked": {
-        "lastModified": 1681737193,
-        "narHash": "sha256-c+0eLyF/VWZWGeB1DA88aDUZ3BjO6+jnsJpVW4wxs4w=",
+        "lastModified": 1701521742,
+        "narHash": "sha256-huf/95jYL7mY0AHSziJYXx4m/sP+G+YAbJb+Q5Ph/Jg=",
         "ref": "refs/heads/master",
-        "rev": "efaf89d12a6811f0e00034444904b8d169f0fa34",
-        "revCount": 48,
+        "rev": "ddf3b08c6458c1a9e0d881f968c050bc828b9b8e",
+        "revCount": 2,
         "type": "git",
-        "url": "https://gitlab.nixica.dev/nix/lint-utils"
+        "url": "https://gitlab.horizon-haskell.net/nix/horizon-hoogle"
       },
       "original": {
         "type": "git",
-        "url": "https://gitlab.nixica.dev/nix/lint-utils"
+        "url": "https://gitlab.horizon-haskell.net/nix/horizon-hoogle"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1644525281,
-        "narHash": "sha256-D3VuWLdnLmAXIkooWAtbTGSQI9Fc1lkvAr94wTxhnTU=",
+        "lastModified": 1718928808,
+        "narHash": "sha256-MjVGflb3qXOrJRTJ5siQZHYuMCsRHaqYgTSKSik+/sE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "48d63e924a2666baf37f4f14a18f19347fbd54a2",
+        "rev": "564000ae34c6af8549f3729051bbae33403e298c",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "haskell-updates",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-lib": {
       "locked": {
-        "dir": "lib",
-        "lastModified": 1698611440,
-        "narHash": "sha256-jPjHjrerhYDy3q9+s5EAsuhyhuknNfowY6yt6pjn9pc=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "0cbe9f69c234a7700596e943bfae7ef27a31b735",
-        "type": "github"
+        "lastModified": 1738452942,
+        "narHash": "sha256-vJzFZGaCpnmo7I6i416HaBLpC+hvcURh/BQwROcGIp8=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/072a6db25e947df2f31aab9eccd0ab75d5b2da11.tar.gz"
       },
       "original": {
-        "dir": "lib",
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/072a6db25e947df2f31aab9eccd0ab75d5b2da11.tar.gz"
       }
     },
     "nixpkgs-lib_2": {
       "locked": {
-        "dir": "lib",
-        "lastModified": 1698611440,
-        "narHash": "sha256-jPjHjrerhYDy3q9+s5EAsuhyhuknNfowY6yt6pjn9pc=",
+        "lastModified": 1717284937,
+        "narHash": "sha256-lIbdfCsf8LMFloheeE6N31+BMIeixqyQWbSr2vk79EQ=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
+      }
+    },
+    "nixpkgs-lib_3": {
+      "locked": {
+        "lastModified": 1717284937,
+        "narHash": "sha256-lIbdfCsf8LMFloheeE6N31+BMIeixqyQWbSr2vk79EQ=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1718928808,
+        "narHash": "sha256-MjVGflb3qXOrJRTJ5siQZHYuMCsRHaqYgTSKSik+/sE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0cbe9f69c234a7700596e943bfae7ef27a31b735",
+        "rev": "564000ae34c6af8549f3729051bbae33403e298c",
         "type": "github"
       },
       "original": {
-        "dir": "lib",
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "haskell-updates",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs_2": {
+    "nixpkgs_3": {
       "locked": {
-        "lastModified": 1698973113,
-        "narHash": "sha256-pRYf/geKwHDvaqw+0ldTfGZM5Y5XX/Bw5st+Fxs/4+I=",
-        "owner": "nixos",
+        "lastModified": 1718928808,
+        "narHash": "sha256-MjVGflb3qXOrJRTJ5siQZHYuMCsRHaqYgTSKSik+/sE=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8a8ec371fe6bd092d180e12a0112a37448b4cb30",
+        "rev": "564000ae34c6af8549f3729051bbae33403e298c",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "owner": "NixOS",
         "ref": "haskell-updates",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
       "locked": {
-        "lastModified": 1644525281,
-        "narHash": "sha256-D3VuWLdnLmAXIkooWAtbTGSQI9Fc1lkvAr94wTxhnTU=",
+        "lastModified": 1719706517,
+        "narHash": "sha256-ynXAAr5AJgTQHQAJW4GH3i8auqnZVzcjCokZMdEKjcs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "48d63e924a2666baf37f4f14a18f19347fbd54a2",
+        "rev": "01da4c59cc4879540b7a5d73230475b4616a0dc8",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "haskell-updates",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_5": {
       "locked": {
-        "lastModified": 1699094435,
-        "narHash": "sha256-YLZ5/KKZ1PyLrm2MO8UxRe4H3M0/oaYqNhSlq6FDeeA=",
+        "lastModified": 1739138025,
+        "narHash": "sha256-M4ilIfGxzbBZuURokv24aqJTbdjPA9K+DtKUzrJaES4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9d5d25bbfe8c0297ebe85324addcb5020ed1a454",
+        "rev": "b2243f41e860ac85c0b446eadc6930359b294e79",
         "type": "github"
       },
       "original": {
@@ -228,9 +310,9 @@
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "horizon-core": "horizon-core",
-        "lint-utils": "lint-utils_2",
-        "nixpkgs": "nixpkgs_4"
+        "horizon-advance": "horizon-advance",
+        "horizon-hoogle": "horizon-hoogle_3",
+        "nixpkgs": "nixpkgs_5"
       }
     }
   },

flake.nix

@@ -9,63 +9,40 @@
 
   inputs = {
     flake-parts.url = "github:hercules-ci/flake-parts";
-    horizon-core.url = "git+https://gitlab.horizon-haskell.net/package-sets/horizon-core?ref=lts/ghc-9.4.x";
-    lint-utils.url = "git+https://gitlab.nixica.dev/nix/lint-utils";
+    horizon-advance.url = "git+https://gitlab.horizon-haskell.net/package-sets/horizon-advance?ref=lts/ghc-9.10.x";
+    horizon-hoogle.url = "git+https://gitlab.horizon-haskell.net/nix/horizon-hoogle";
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
   };
 
-  outputs =
-    inputs@
-    { self
-    , flake-parts
-    , horizon-core
-    , lint-utils
-    , nixpkgs
-    , ...
-    }:
-    flake-parts.lib.mkFlake { inherit inputs; } {
+  outputs = inputs:
+    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
       systems = [
         "aarch64-darwin"
+        "aarch64-linux"
         "x86_64-darwin"
         "x86_64-linux"
       ];
-      perSystem = { config, system, ... }:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-
-        in
+      imports = [
+        inputs.horizon-hoogle.flakeModule
+      ];
+      perSystem = { pkgs, config, system, ... }:
         with pkgs.lib;
         let
           haskellLib = pkgs.haskell.lib;
-
+          modifiers = import ./modifiers.nix { inherit pkgs; };
           overrides = composeManyExtensions [
-            (import ./overlay.nix { inherit pkgs; })
+            (import ./overlay.nix { inherit pkgs; f = modifiers; })
             (import ./configuration/common.nix { inherit pkgs haskellLib; })
             (import (./configuration + "/${system}.nix") { inherit pkgs haskellLib; })
           ];
 
-          legacyPackages = horizon-core.legacyPackages.${system}.extend overrides;
+          legacyPackages = inputs.horizon-advance.legacyPackages.${system}.extend overrides;
 
           packages = filterAttrs (_: isDerivation) legacyPackages;
 
-          horizon-hoogle = pkgs.writers.writeBashBin "horizon-hoogle" ''
-            ${legacyPackages.ghcWithHoogle (p: attrValues (packages // { hoogle = null; }))}/bin/hoogle server --local
-          '';
         in
         {
 
-          apps = {
-            run-hoogle = {
-              type = "app";
-              program = "${horizon-hoogle}/bin/horizon-core-hoogle";
-            };
-          };
-
-          checks = with lint-utils.linters.${system}; {
-            dhall-format = dhall-format { src = self; };
-            nixpkgs-fmt = nixpkgs-fmt { src = self; find = "flake.nix"; };
-          };
-
           inherit legacyPackages;
 
           inherit packages;

modifiers.nix

+{ pkgs, ... }:
+
+with pkgs.lib;
+
+_: prev: name: v: if hasAttr name prev then warn "${name} exists in parent set" v else v

pkgs/Chart-diagrams.nix

-{ mkDerivation, Chart, SVGFonts, base, blaze-markup, bytestring
-, colour, containers, data-default-class, diagrams-core
-, diagrams-lib, diagrams-postscript, diagrams-svg, lens, lib, mtl
-, old-locale, operational, svg-builder, text, time
-}:
-mkDerivation {
-  pname = "Chart-diagrams";
-  version = "1.9.5.1";
-  sha256 = "f8dcd91926e6f46b47a21a131650f1dc026e410a63f276ff52ba092aab7662de";
-  isLibrary = true;
-  isExecutable = false;
-  enableSeparateDataOutput = true;
-  libraryHaskellDepends = [
-    base blaze-markup bytestring Chart colour containers
-    data-default-class diagrams-core diagrams-lib diagrams-postscript
-    diagrams-svg lens mtl old-locale operational svg-builder SVGFonts
-    text time
-  ];
-  enableLibraryProfiling = true;
-  enableExecutableProfiling = true;
-  doHaddock = true;
-  jailbreak = true;
-  doCheck = false;
-  doBenchmark = false;
-  hyperlinkSource = false;
-  homepage = "https://github.com/timbod7/haskell-chart/wiki";
-  description = "Diagrams backend for Charts";
-  license = lib.licenses.bsd3;
-  broken = false;
-}
\ No newline at end of file

pkgs/Chart.nix

-{ mkDerivation, array, base, colour, data-default-class, lens, lib
-, mtl, old-locale, operational, time, vector
-}:
-mkDerivation {
-  pname = "Chart";
-  version = "1.9.5";
-  sha256 = "0c1e2fb865093eb9456d5b05a4974abcba149c96d83678b39ddb949b9e6adf5b";
-  isLibrary = true;
-  isExecutable = false;
-  enableSeparateDataOutput = false;
-  libraryHaskellDepends = [
-    array base colour data-default-class lens mtl old-locale
-    operational time vector
-  ];
-  enableLibraryProfiling = true;
-  enableExecutableProfiling = true;
-  doHaddock = true;
-  jailbreak = true;
-  doCheck = false;
-  doBenchmark = false;
-  hyperlinkSource = false;
-  homepage = "https://github.com/timbod7/haskell-chart/wiki";
-  description = "A library for generating 2D Charts and Plots";
-  license = lib.licenses.bsd3;
-  broken = false;
-}
\ No newline at end of file

pkgs/HTF.nix

-{ mkDerivation, Cabal, Diff, HUnit, QuickCheck, aeson, aeson-pretty
-, array, base, base64-bytestring, bytestring, containers, cpphs
-, directory, filepath, haskell-src, lib, lifted-base, monad-control
-, mtl, old-time, pretty, process, random, regex-compat
-, template-haskell, temporary, text, time, unix
-, unordered-containers, vector, xmlgen
-}:
-mkDerivation {
-  pname = "HTF";
-  version = "0.15.0.1";
-  sha256 = "bc16a958bd36b03f673388470eed7fea01daaa1604677bb08dfb910598d39856";
-  isLibrary = true;
-  isExecutable = true;
-  enableSeparateDataOutput = false;
-  setupHaskellDepends = [ base Cabal process ];
-  libraryHaskellDepends = [
-    aeson array base base64-bytestring bytestring containers cpphs Diff
-    directory haskell-src HUnit lifted-base monad-control mtl old-time
-    pretty process QuickCheck random regex-compat text time unix vector
-    xmlgen
-  ];
-  libraryToolDepends = [ cpphs ];
-  executableHaskellDepends = [
-    array base cpphs directory HUnit mtl old-time random text
-  ];
-  executableToolDepends = [ cpphs ];
-  testHaskellDepends = [
-    aeson aeson-pretty base bytestring directory filepath HUnit mtl
-    process random regex-compat template-haskell temporary text
-    unordered-containers
-  ];
-  enableLibraryProfiling = true;
-  enableExecutableProfiling = true;
-  doHaddock = true;
-  jailbreak = true;
-  doCheck = false;
-  doBenchmark = false;
-  hyperlinkSource = false;
-  homepage = "https://github.com/skogsbaer/HTF/";
-  description = "The Haskell Test Framework";
-  license = lib.licenses.lgpl21Only;
-  broken = false;
-}
\ No newline at end of file