add agru (directly, not from nixpkgs)

flake.nix

@@ -1,30 +1,44 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    agru-src = {
+      url = "github:etkecc/agru";
+      flake = false;
+    };
   };
-  outputs = {
+  outputs =
-    self,
+    {
-    nixpkgs,
+      self,
-    flake-utils,
+      nixpkgs,
-  }:
+      flake-utils,
-    flake-utils.lib.eachDefaultSystem
+      agru-src,
-    (
+    }:
-      system: let
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
         pkgs = import nixpkgs {
           inherit system;
         };
+        agru = pkgs.buildGo125Module {
+          pname = "agru";
+          version = "0.1.19";
+          src = agru-src;
+          vendorHash = null;
+        };
       in
-        with pkgs; {
+      with pkgs;
-          devShells.default = mkShell {
+      {
-            buildInputs = [
+        devShells.default = mkShell {
-              just
+          buildInputs = [
-              ansible
+            just
-            ];
+            ansible
-            shellHook = ''
+            agru
-              echo "$(ansible --version)"
+          ];
-            '';
+          shellHook = ''
-          };
+            echo "$(ansible --version)"
-        }
+          '';
+        };
+      }
     );
 }