bump hs-flake-utils and use the new write-cabal-project helper

flake.lock

@@ -216,11 +216,11 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1692187439,
-        "narHash": "sha256-m7c4EPFWmB1OmV3dSYQk2qtXR53xOjZdLCjMtzHSK34=",
+        "lastModified": 1696619796,
+        "narHash": "sha256-4PjNRfnk22EuGCu7mF2sAb3JtaWKuBdgew4frd+Xpts=",
         "ref": "main",
-        "rev": "408f3deab2e2f6ae60349776dde02c44f71fb386",
-        "revCount": 16,
+        "rev": "8887555c96886d81d671fb68a3a2d000e578c4e0",
+        "revCount": 19,
         "type": "git",
         "url": "https://whetstone.private.storage/jcalderone/hs-flake-utils.git"
       },

flake.nix

@@ -46,7 +46,7 @@
       checks = hslib.checks {};
       devShells = hslib.devShells {
         shellHook = ''
-          nix run .#generate-cabal-project
+          nix run .#write-cabal-project
         '';
         extraBuildInputs = pkgs:
           with pkgs; [
@@ -56,27 +56,11 @@
       packages = hslib.packages {};
       apps.hlint = hslib.apps.hlint {};
 
-      apps.generate-cabal-project = {
-        type = "app";
-        program = "${
-          pkgs.writeShellApplication {
-            name = "generate-cabal-project";
-            text = ''
-              cat >cabal.project.local <<EOF
-              -- This file is auto-generated by the flake devShell's shellHook.  Do
-              -- not edit this file.  Make changes in flake.nix.
-              tests: true
-              packages:
-                -- These aren't released on hackage yet so we have to get them
-                -- another way.  Here, we get them from the Nix store.
-                -- tahoe-chk
-                ${tahoe-chk}
-                -- tahoe-capabilities
-                ${tahoe-capabilities}
-              EOF
-            '';
-          }
-        }/bin/generate-cabal-project";
+      apps.write-cabal-project = hslib.apps.write-cabal-project {
+        localPackages = {
+          "tahoe-chk" = tahoe-chk.sourceInfo.outPath;
+          "tahoe-capabilities" = tahoe-capabilities.sourceInfo.outPath;
+        };
       };
 
       apps.cabal-test = hslib.apps.cabal-test {