unikernel/duniverse/dune_/test/blackbox-tests/test-cases/github7962.t

@@ -0,0 +1,23 @@
+Repro for #7962: a rule has a dependency on a `(source_tree)` outside the
+workspace. This blows up loudly but should not - we should probably detect that
+the path escapes the build directory and error out or handle that as an
+external directory.
+
+  $ mkdir proj ext
+
+  $ cat > proj/dune-project << EOF
+  > (lang dune 1.0)
+  > EOF
+
+  $ cat > proj/dune << EOF
+  > (alias
+  >  (name runtest)
+  >  (deps (source_tree ../ext)))
+  > EOF
+
+  $ (cd proj; dune runtest)
+  File "dune", line 3, characters 20-26:
+  3 |  (deps (source_tree ../ext)))
+                          ^^^^^^
+  Error: path cannot escape the context root
+  [1]