diff --git a/users/edef/depot-scan.nix b/users/edef/depot-scan.nix
index faa91855e..ce0f8d979 100644
--- a/users/edef/depot-scan.nix
+++ b/users/edef/depot-scan.nix
@@ -3,10 +3,10 @@
 pkgs.writeShellScriptBin "depot-scan" ''
   set -euo pipefail
 
-  path=$(git rev-parse --show-prefix)
+  path="''${1:-$(git rev-parse --show-prefix)}"
   path="''${path%%/}"
   attr="''${path//\//.}"
   root="$(git rev-parse --show-toplevel)"
   echo "scanning //$path" >&2
-  nix-instantiate "$root" -A "$attr" -vv 2> >(${pkgs.perl}/bin/perl sources.pl) >&2
+  nix-instantiate "$root" -A "$attr" -vv 2> >(${pkgs.perl}/bin/perl ${./depot-scan.pl}) >&2
 ''
diff --git a/users/edef/sources.pl b/users/edef/depot-scan.pl
similarity index 100%
rename from users/edef/sources.pl
rename to users/edef/depot-scan.pl