unikernel/duniverse/dune_/test/blackbox-tests/test-cases/pkg/patch.t

@@ -0,0 +1,34 @@
+Applying patches
+
+  $ . ./helpers.sh
+
+  $ mkdir test-source
+  $ make_lockdir
+  $ cat >dune.lock/test.pkg <<EOF
+  > (version 0.0.1)
+  > (source (copy $PWD/test-source))
+  > (build
+  >  (progn
+  >   (patch foo.patch)
+  >   (system "cat foo.ml")))
+  > EOF
+
+  $ mkdir dune.lock/test.files
+  $ cat >dune.lock/test.files/foo.patch <<EOF
+  > diff --git a/foo.ml b/foo.ml
+  > new file mode 100644
+  > index 0000000..557db03
+  > --- /dev/null
+  > +++ b/foo.ml
+  > @@ -0,0 +1 @@
+  > +Hello World
+  > EOF
+
+  $ build_pkg test
+  Hello World
+
+Demonstrate that the original source shouldn't be modified:
+
+  $ cat _build/_private/default/.pkg/test/source/foo.ml
+  cat: _build/_private/default/.pkg/test/source/foo.ml: No such file or directory
+  [1]