horizon-gen-nix: use branch make-package-set

flake.lock

@@ -64,15 +64,16 @@
     "horizon-gen-nix": {
       "flake": false,
       "locked": {
-        "lastModified": 1667577671,
-        "narHash": "sha256-rDbpc4sbCmcT7oP+eD557zrlCYCrYumyiDJucOTNsTs=",
-        "ref": "refs/heads/master",
-        "rev": "9d3a1f027f2852dbc896d06c089556134035ddba",
-        "revCount": 31,
+        "lastModified": 1667758926,
+        "narHash": "sha256-p4IdceVV3gAlBP1AcLL4UwufapWjcs9zIAFSVEVSWX0=",
+        "ref": "make-package-set",
+        "rev": "f24f5cfb9c2629f9b456e47aedafdf8e909dadda",
+        "revCount": 36,
         "type": "git",
         "url": "https://gitlab.homotopic.tech/horizon/horizon-gen-nix"
       },
       "original": {
+        "ref": "make-package-set",
         "type": "git",
         "url": "https://gitlab.homotopic.tech/horizon/horizon-gen-nix"
       }

flake.nix

@@ -8,7 +8,7 @@
     lint-utils.url = "git+https://gitlab.homotopic.tech/nix/lint-utils";
     horizon-gen-nix = {
       flake = false;
-      url = "git+https://gitlab.homotopic.tech/horizon/horizon-gen-nix";
+      url = "git+https://gitlab.homotopic.tech/horizon/horizon-gen-nix?ref=make-package-set";
     };
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
   };
@@ -37,7 +37,7 @@
       in
       {
         apps = {
-          horizon-gen-nix = horizon-gen-nix-app.outputs.apps.${system}.default;
+          horizon-gen-nix = horizon-gen-nix-app.outputs.apps.${system}.horizon-gen-nix;
           horizon-gen-gitlab-ci = {
             type = "app";
             program = "${horizon-gen-gitlab-ci}/bin/gen-gitlab-ci";