factor out sources from flake stuff

as per Fediversity/Fediversity#419 (comment)

Reviewed-on: Fediversity/Fediversity#422
Co-authored-by: Kiara Grouwstra <kiara@procolix.eu>
Co-committed-by: Kiara Grouwstra <kiara@procolix.eu>

default.nix

@@ -58,6 +58,11 @@ in
       in
       [
         pkgs.npins
+        pkgs.nil
+        (pkgs.callPackage "${sources.agenix}/pkgs/agenix.nix" { })
+        pkgs.openssh
+        pkgs.httpie
+        pkgs.jq
         pkgs.nix-unit
         test-loop
         nixops4.packages.${system}.default

flake.nix

@@ -11,7 +11,7 @@
     let
       sources = import ./npins;
       inherit (import sources.flake-inputs) import-flake;
-      inherit (sources) git-hooks agenix;
+      inherit (sources) git-hooks;
       # XXX(@fricklerhandwerk): this atrocity is required to splice in a foreign Nixpkgs via flake-parts
       # XXX - this is just importing a flake
       nixpkgs = import-flake { src = sources.nixpkgs; };
@@ -57,7 +57,6 @@
             {
               pkgs,
               lib,
-              inputs',
               ...
             }:
             {
@@ -76,21 +75,6 @@
                   trim-trailing-whitespace.enable = true;
                   shellcheck.enable = true;
                 };
-
-              devShells.default = pkgs.mkShell {
-                packages = [
-                  pkgs.npins
-                  pkgs.nil
-                  (pkgs.callPackage "${agenix}/pkgs/agenix.nix" { })
-                  pkgs.openssh
-                  pkgs.httpie
-                  pkgs.jq
-                  # exposing this env var as a hack to pass info in from form
-                  (inputs'.nixops4.packages.default.overrideAttrs {
-                    impureEnvVars = [ "DEPLOYMENT" ];
-                  })
-                ];
-              };
             };
         }
       );