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

@@ -0,0 +1,55 @@
+We test how opam files with substs fields together with patches fields are translated into
+the dune.lock file. Opam allows substitution to happen before the patches phase, so we
+must do the same.
+ 
+  $ . ./helpers.sh
+  $ mkrepo
+
+Make a package with a substs and patches field field 
+  $ mkpkg with-substs-and-patches <<EOF
+  > substs: ["foo.patch"]
+  > patches: ["foo.patch"]
+  > build: [ "sh" "-c" "[ -e foo.ml ] && cat foo.ml" ]
+  > EOF
+
+  $ opam_repo=$mock_packages/with-substs-and-patches/with-substs-and-patches.0.0.1
+
+  $ solve with-substs-and-patches
+  Solution for dune.lock:
+  - with-substs-and-patches.0.0.1
+  $ cat >>dune.lock/with-substs-and-patches.pkg <<EOF
+  > (source (copy $PWD/source))
+  > EOF
+
+The lockfile should contain the substitute and patch actions.
+
+  $ cat dune.lock/with-substs-and-patches.pkg 
+  (version 0.0.1)
+  
+  (build
+   (progn
+    (substitute foo.patch.in foo.patch)
+    (patch foo.patch)
+    (run sh -c "[ -e foo.ml ] && cat foo.ml")))
+  (source (copy $TESTCASE_ROOT/source))
+
+  $ mkdir source
+
+  $ cat > source/foo.patch.in <<EOF
+  > diff --git a/foo.ml b/foo.ml
+  > index b69a69a5a..ea988f6bd 100644
+  > --- a/foo.ml
+  > +++ b/foo.ml
+  > @@ -1,1 +1,1 @@
+  > -This is wrong
+  > +This is right
+  > EOF
+
+  $ cat > source/foo.ml <<EOF
+  > This is wrong
+  > EOF
+
+The file foo.ml should have been built:
+
+  $ build_pkg with-substs-and-patches
+  This is right