[WIP] Better HLS support for GHC 9.2

README.md

@@ -10,6 +10,11 @@ Nix-based project configuration shared between nammayatri repositories
   - Automatic importing of the common flakeModule.
 - The common flakeModule provides:
   - treefmt-based autoformatters: ormolu, hlint, dhall-format, nixpkgs-fmt
+  - Common Haskell configuration
+    - ~~GHC 8.10 package set (matching LTS 16.31 in part)~~ (DEPRECATED, file and references kept for posterity only)
+    - GHC 9.2.8 package set
+    - Avoid global tool caches (`no-global-cache.nix`)
+    - Common `package.yaml` (hpack) configuration
   - `mission-control`
   - `process-compose-flake`
   - pre-commit hooks

flake-module.nix

@@ -9,7 +9,7 @@ common:
     (import ./nix/treefmt.nix common)
     ./nix/haskell
     # ./nix/ghc810.nix
-    ./nix/ghc927.nix
+    ./nix/ghc928.nix
     ./nix/pre-commit.nix
     ./nix/arion.nix
     common.inputs.cachix-push.flakeModule

flake.nix

@@ -29,7 +29,7 @@
     flakeModules = {
       default = import ./flake-module.nix { inherit inputs; };
       # ghc810 = ./nix/ghc810.nix;
-      ghc927 = ./nix/ghc927.nix;
+      ghc928 = ./nix/ghc928.nix;
     };
 
     lib.mkFlake = args: mod:

nix/ghc927.nix → nix/ghc928.nix

@@ -1,31 +1,31 @@
 # To use this package set in your `haskell-flake` projects, set the
 # `basePackages` option as follows:
 #
-# > basePackages = config.haskellProjects.ghc927.outputs.finalPackages;
+# > basePackages = config.haskellProjects.ghc928.outputs.finalPackages;
 #
 {
   perSystem = { pkgs, lib, config, ... }: {
-    haskellProjects.ghc927 = {
+    haskellProjects.ghc928 = {
       projectFlakeName = "nammayatri:common";
 
       # This is not a local project, so disable those options.
       defaults.packages = {};
       devShell.enable = false;
       autoWire = [ ];
 
-      # Uses GHC-9.2.7 package set as base
+      # Uses GHC-9.2.8 package set as base
 
       # We use a versioned package-set instead of the more
       # general `pkgs.haskellPackages` set in order to be
       # more explicit about our intentions to use a
       # specific GHC version and by extension the related
       # packages versions that come with this snapshot
 
-      basePackages = pkgs.haskell.packages.ghc927;
+      basePackages = pkgs.haskell.packages.ghc928;
 
       packages = {
         # Dependencies from Hackage
-
+        persistent.source = "2.14.5.2";
       };
 
       settings = {

nix/haskell/default.nix

@@ -5,7 +5,7 @@
         ./no-global-cache.nix
         ./devtools.nix
       ];
-      basePackages = config.haskellProjects.ghc927.outputs.finalPackages;
+      basePackages = config.haskellProjects.ghc928.outputs.finalPackages;
       defaults.settings.default = { name, package, config, ... }:
         lib.optionalAttrs (package.local.toDefinedProject or false) {
           # Disabling haddock and profiling is mainly to speed up Nix builds.