Fixes for hydra eval

flake.nix

@@ -76,7 +76,7 @@
                       "ghc902"
                       "ghc928"
                       "ghc947"
-                      "ghc962"
+                      "ghc963"
                       "ghc981"
                       "ghc99"] (compiler-nix-name:
                    pkgs.haskell-nix.compiler.${

tool-map.nix

@@ -1,14 +1,14 @@
 # see https://haskell-language-server.readthedocs.io/en/latest/support/ghc-version-support.html
 # so we assume "latest" for all hls.
 # for hlint however, we need hlint-3.3 for ghc-8.10.7.
-let fixed-versions = { "hlint" = { "ghc8107" = { version = "3.3"; }; }; }; in
+let fixed-versions = { "hlint" = { "ghc8107" = { version = "3.4.1"; }; "ghc902" = { version = "3.5"; }; }; }; in
 compiler-nix-name: tool: {
   # for HLS, we rely on the cabal.project configuration from the upstream project to have the correct configuration.
   # Building HLS from hackage requires setting all those constraints as well, and just isn't practical to do for each
   # HLS release. Therefore we rely on the HLS upstream repository to provide the proper configuration information.
   haskell-language-server = {pkgs, ...}: rec {
       # Use the github source of HLS that is tested with haskell.nix CI
-      src = pkgs.haskell-nix.sources."hls-2.4";
+      src = { "ghc8107" = pkgs.haskell-nix.sources."hls-2.2"; }.${compiler-nix-name} or pkgs.haskell-nix.sources."hls-2.4";
       # `tool` normally ignores the `cabal.project` (if there is one in the hackage source).
       # We need to use the github one (since it has settings to make hls build).
       cabalProject = __readFile (src + "/cabal.project");