Problem: gomod2nix is not in nix develop shell

Solution:
- add gomod2nix to default devShell
- build gomod2nix with the same go version

no rocksdb in default shell

fix develop shell

.github/workflows/build.yml

@@ -111,7 +111,7 @@ jobs:
  access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
  if: steps.changed-files.outputs.any_changed == 'true'
  - name: gomod2nix
- run: nix run -f ./nix gomod2nix
+ run: nix develop -c gomod2nix
  if: steps.changed-files.outputs.any_changed == 'true'
  - name: check working directory is clean
  id: changes

flake.nix

@@ -9,7 +9,7 @@
  gomod2nix = {
  url = "github:nix-community/gomod2nix";
  inputs.nixpkgs.follows = "nixpkgs";
- inputs.utils.follows = "flake-utils";
+ inputs.flake-utils.follows = "flake-utils";
  };
  };
 
@@ -45,14 +45,20 @@
  defaultPackage = packages.cronosd;
  defaultApp = apps.cronosd;
  devShells = {
- cronosd = pkgs.mkShell {
- buildInputs = with pkgs; [
- go_1_22
- rocksdb
+ default = pkgs.mkShell {
+ buildInputs = [
+ defaultPackage.go
+ pkgs.gomod2nix
+ ];
+ };
+ rocksdb = pkgs.mkShell {
+ buildInputs = [
+ defaultPackage.go
+ pkgs.gomod2nix
+ pkgs.rocksdb
  ];
  };
  };
- devShell = devShells.cronosd;
  legacyPackages = pkgs;
  }
  )