unikernel/duniverse/dune_/test/blackbox-tests/test-cases/github4345.t

@@ -0,0 +1,15 @@
+This is a reproduction case from issue #4345.
+This was a bug where using (copy_files ...) to depend on files from a parent
+directory would cause in internal error in dune due to a dependency cycle. The
+bug is now fixed, so this project should build without error.
+
+  $ DIR="gh4345"
+  $ mkdir $DIR && cd $DIR
+  $ echo "(lang dune 2.8)" > dune-project
+  $ mkdir lib
+  $ touch lib.opam file lib/lib.ml
+  $ cat >lib/dune <<EOF
+  > (library (name lib) (public_name lib))
+  > (copy_files (files ../file))
+  > EOF
+  $ dune build --root .