feat: factor out gomod2nix

default.nix

@@ -1,21 +1,38 @@
-{ pkgs ? (
-    let
-      inherit (builtins) fetchTree fromJSON readFile;
-      inherit ((fromJSON (readFile ./flake.lock)).nodes) nixpkgs gomod2nix;
-    in
-    import (fetchTree nixpkgs.locked) {
-      overlays = [
-        (import "${fetchTree gomod2nix.locked}/overlay.nix")
-      ];
-    }
-  )
-, buildGoApplication ? pkgs.buildGoApplication
-}:
-
-buildGoApplication {
-  pname = "ess";
-  version = "2.14.1";
-  pwd = ./.;
-  src = ./.;
-  modules = ./gomod2nix.toml;
+{pkgs ? import <nixpkgs> {}}: let
+  build = pkgs.buildGoModule {
+    pname = "ess";
+    version = "2.14.1";
+    src = ./.;
+    pwd = ./.;
+    vendorHash = "sha256-oIA1LTBvkA26ferZI+uOipLE2/wZr2XKjGfESuD/cPk=";
+    meta = {
+      description = "ess (env-sample-sync): automatically and safely synchronize env.sample files with .env";
+      license = pkgs.lib.licenses.bsd2;
+    };
+  };
+in {
+  darwin = build.overrideAttrs (old:
+    old
+    // {
+      GOOS = "darwin";
+      GOARCH = "amd64";
+    });
+  linux32 = build.overrideAttrs (old:
+    old
+    // {
+      GOOS = "linux";
+      GOARCH = "386";
+    });
+  x86_64-linux = build.overrideAttrs (old:
+    old
+    // {
+      GOOS = "linux";
+      GOARCH = "amd64";
+    });
+  windows64 = build.overrideAttrs (old:
+    old
+    // {
+      GOOS = "windows";
+      GOARCH = "amd64";
+    });
 }

flake.nix

@@ -3,29 +3,22 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
     systems.url = "github:nix-systems/default";
     devenv.url = "github:cachix/devenv";
-
-    gomod2nix = {
-      url = "github:nix-community/gomod2nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs = {
     self,
     nixpkgs,
     devenv,
     systems,
-    gomod2nix,
     ...
   } @ inputs: let
     forEachSystem = nixpkgs.lib.genAttrs (import systems);
   in {
     packages = forEachSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
       callPackage = nixpkgs.darwin.apple_sdk_11_0.callPackage or nixpkgs.legacyPackages.${system}.callPackage;
     in {
-      default = callPackage ./. {
-        inherit (gomod2nix.legacyPackages.${system}) buildGoApplication;
-      };
+      default = (callPackage ./default.nix {}).${system};
     });
 
     devShells = forEachSystem (system: let
@@ -38,22 +31,14 @@
             packages = with pkgs; [
               automake
               go_1_23
-              gomod2nix.legacyPackages.${system}.gomod2nix
               gotools
               golangci-lint
               go-tools
               gopls
+              nix-update
               pre-commit
               svu
             ];
-
-            pre-commit.hooks.gomod2nix = {
-              enable = true;
-              pass_filenames = false;
-              name = "gomod2nix";
-              description = "Run gomod2nix before commit";
-              entry = "${gomod2nix.legacyPackages.${system}.gomod2nix}/bin/gomod2nix";
-            };
           }
         ];
       };

go.mod

@@ -1,7 +1,5 @@
 module github.com/acaloiaro/ess
 
-go 1.21
+go 1.23.1
 
-replace github.com/hashicorp/go-envparse v0.1.0 => github.com/acaloiaro/go-envparse v0.3.0
-
-require github.com/hashicorp/go-envparse v0.1.0
+require github.com/acaloiaro/go-envparse v0.4.0

go.sum

@@ -1,2 +1,2 @@
-github.com/acaloiaro/go-envparse v0.3.0 h1:TGHMQ6VK8ABhqalxaRTU2gj75dCDorQq6YTxGVI5X+4=
-github.com/acaloiaro/go-envparse v0.3.0/go.mod h1:OHheN1GoygLlAkTlXLXvAdnXdZxy8JUweQ1rAXx1xnc=
+github.com/acaloiaro/go-envparse v0.4.0 h1:QmiRB66+dYTbOxDIZ9qGvA3PdzOddBZFgpe1J/vFr/U=
+github.com/acaloiaro/go-envparse v0.4.0/go.mod h1:0l65juEw9L8yTwKGdhoNBLtxeaSGGNr26DZXmWB7MsU=

main.go

@@ -15,7 +15,7 @@ import (
 	"strings"
 	"text/template"
 
-	"github.com/hashicorp/go-envparse"
+	"github.com/acaloiaro/go-envparse"
 )
 
 const VERSION = "2.14.1"