unikernel/duniverse/dune_/test/blackbox-tests/test-cases/cram/git-access.t

@@ -0,0 +1,23 @@
+Check that actions don't have access to the outer git repository.
+
+  $ mkdir git
+  $ cd git
+  $ git init -q
+  $ echo '(lang dune 3.0)' > dune-project
+  $ cat >test.t <<"EOF"
+  >   $ git rev-parse --show-toplevel
+  > EOF
+
+  $ dune runtest --auto-promote
+  File "test.t", line 1, characters 0-0:
+  Error: Files _build/default/test.t and _build/default/test.t.corrected
+  differ.
+  Promoting _build/default/test.t.corrected to test.t.
+  [1]
+
+The inner call to git shouldn't be able to access the outer git repo:
+
+  $ cat test.t
+    $ git rev-parse --show-toplevel
+    fatal: invalid gitfile format: $TESTCASE_ROOT/git/_build/.sandbox/.git
+    [128]