flake: filter src

Signed-off-by: Paul Meyer <katexochen0@gmail.com>

flake.nix

@@ -29,7 +29,23 @@
         uplosi = pkgs.buildGoModule {
           pname = "uplosi";
           version = "devel";
-          src = ./.;
+
+          src =
+            let
+              inherit (pkgs.lib) fileset path hasSuffix;
+              root = ./.;
+            in
+            fileset.toSource {
+              inherit root;
+              fileset = fileset.unions [
+                (fileset.fileFilter (file: hasSuffix ".go" file.name) root)
+                (path.append root "go.mod")
+                (path.append root "go.sum")
+                (path.append root "config/validation.rego")
+                (path.append root "measured-boot/internal/testdata/uki.efi")
+              ];
+            };
+
           # this needs to be updated together with go.mod / go.sum
           vendorHash = "sha256-2lJmPNLpI1ksFb0EtcjPjyTy7eX1DKeX0F80k9FtGno=";
 
@@ -45,16 +61,6 @@
               --fish <($out/bin/uplosi completion fish) \
               --zsh <($out/bin/uplosi completion zsh)
           '';
-
-          meta = with pkgs.lib; {
-            description = "Upload OS images to cloud provider";
-            homepage = "https://github.com/edgelesssys/uplosi";
-            maintainers = with maintainers; [
-              katexochen
-              malt3
-            ];
-            license = licenses.asl20;
-          };
         };
 
         treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;