diff --git a/flake.nix b/flake.nix
index 2916413..645a7e9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,18 +1,26 @@
-# Standalone build for the published repo. Generated by
+# Standalone build for this project, as the monorepo sees it. Generated by
 # platform/tangled/publish/gen-project.nu; edit that template, not this file.
 #
-# The build, the devshell and its hooks, the formatter and the nixpkgs this
-# resolves against are shared with every other repo published from the
-# monorepo, and live in the nix-project flake. It is callable, so what is
-# particular to this project is all that is left to say.
+# nix-workspace is a path here, so the monorepo can evaluate its own change to
+# it without publishing first, and so the root flake can take this as an
+# input and check that it still builds. The published repo gets the same file
+# with a Tangled URL, mapped over this one by josh.
+#
+# The relative path only resolves when this flake is reached through the repo
+# root: as a root input, or `nix eval '.?dir=<this directory>#...'`.
 {
   description = "A GNU diffutils-compatible suite of file comparison tools written in Rust";
 
-  inputs.project.url = "git+https://tangled.org/overby.me/nix-project";
+  inputs.workspace.url = "path:../../../platform/nix/workspace";
 
   outputs = inputs:
-    inputs.project ./. {
+    inputs.workspace ./. {
       name = "oxidized-diffutils";
       description = "A GNU diffutils-compatible suite of file comparison tools written in Rust";
+      aliases = {
+        "cmp" = "diff";
+        "sdiff" = "diff";
+        "diff3" = "diff";
+      };
     };
 }