unikernel/duniverse/dune_/test/blackbox-tests/test-cases/map-workspace-root-enabled.t

@@ -0,0 +1,21 @@
+Check that Dune does not do rewriting of build directory to /workspace_root
+if inhibited.
+
+  $ cat > dune-project << EOF
+  > (lang dune 3.7)
+  > (map_workspace_root true)
+  > EOF
+  $ cat > dune << "EOF"
+  > (rule
+  >  (target x)
+  >  (action (system "dune_cmd rewrite-path $PWD | grep -c /workspace_root; touch x")))
+  > EOF
+
+  $ dune build
+  1
+
+It works with sandboxing as well:
+
+  $ dune clean
+  $ dune build --sandbox copy
+  1