chore: clean doerg sources

doerg/default.nix

@@ -16,9 +16,9 @@ let
   mkCljBin' = args: (mkCljBin args).overrideAttrs (final: prev: {
     nativeBuildInputs =
       builtins.filter
-	# A possibly-sketchy predicate, lol.
-	(x: x != fake-git)
-	prev.nativeBuildInputs;
+        # A possibly-sketchy predicate, lol.
+        (x: x != fake-git)
+        prev.nativeBuildInputs;
   });
 
   plex = ibm-plex-web.override {
@@ -32,7 +32,7 @@ let
 in mkCljBin' {
   name = "net.deertopia/doerg";
   version = "0.1.0";
-  projectSrc = ./.;
+  projectSrc = lib.cleanSource ./.;
   lockfile = ../deps-lock.json;
   main-ns = "net.deertopia.doerg.main";
   nativeBuildInputs = [