sops: concentrate shell and config generation in one file

flake/dev-shell.nix

@@ -0,0 +1,13 @@
+_: {
+  perSystem =
+    { inputs', pkgs, ... }:
+    {
+      devShells.default = pkgs.mkShellNoCC {
+        packages = [
+          pkgs.just
+          pkgs.nh
+          inputs'.deploy-rs.packages.default
+        ];
+      };
+    };
+}

flake/dev-shells.nix

@@ -1,25 +0,0 @@
-{ inputs, self, ... }:
-{
-  perSystem =
-    { pkgs, system, ... }:
-    {
-      devShells = {
-        default = pkgs.mkShell {
-          packages = [
-            pkgs.just
-            pkgs.nh
-            inputs.deploy-rs.packages.${system}.default
-          ];
-        };
-
-        sops = pkgs.mkShell {
-          SOPS_CONFIG = self.packages.${system}.sops-config;
-          packages = [
-            pkgs.sops
-            pkgs.age
-            pkgs.ssh-to-age
-          ];
-        };
-      };
-    };
-}

flake/sops.nix

@@ -1,7 +1,12 @@
 { self, ... }:
 {
   perSystem =
-    { pkgs, lib, ... }:
+    {
+      self',
+      pkgs,
+      lib,
+      ...
+    }:
     {
       packages.sops-config =
         let
@@ -32,5 +37,14 @@
         pkgs.runCommand "sops.yaml" { buildInputs = [ pkgs.yj ]; } ''
           echo '${jsonConfig}' | yj -jy > $out
         '';
+
+      devShells.sops = pkgs.mkShellNoCC {
+        SOPS_CONFIG = self'.packages.sops-config;
+        packages = [
+          pkgs.sops
+          pkgs.age
+          pkgs.ssh-to-age
+        ];
+      };
     };
 }