unikernel/duniverse/dune_/test/blackbox-tests/test-cases/subst/opam-files/at-root.t

@@ -0,0 +1,30 @@
+  $ . ../../git-helpers.sh
+
+This test checks that `dune subst` adds a `version:` field to opam files.
+
+  $ cat > dune-project << EOF
+  > (lang dune 3.0)
+  > (name pkg)
+  > EOF
+
+  $ cat > pkg.opam << EOF
+  > opam-version: "2.0"
+  > EOF
+
+Git setup is required for dune subst:
+
+  $ git init -q
+  $ git add dune-project pkg.opam
+  $ git commit -m message|grep -v root-commit
+   2 files changed, 3 insertions(+)
+   create mode 100644 dune-project
+   create mode 100644 pkg.opam
+  $ git tag -a 1.2.3 -m 'tag message'
+
+  $ dune subst
+
+Subst adds a version number based on the git commit:
+
+  $ cat pkg.opam
+  version: "1.2.3"
+  opam-version: "2.0"

unikernel/duniverse/dune_/test/blackbox-tests/test-cases/subst/opam-files/in-opam-subdir.t

@@ -0,0 +1,34 @@
+  $ . ../../git-helpers.sh
+
+`dune subst` should work for opam files in opam subdirectory.
+See #9862.
+
+  $ cat > dune-project << EOF
+  > (lang dune 3.8)
+  > (name pkg)
+  > (opam_file_location inside_opam_directory)
+  > (package (name pkg))
+  > EOF
+
+  $ mkdir opam
+  $ cat > opam/pkg.opam << EOF
+  > opam-version: "2.0"
+  > EOF
+
+Git setup is required for dune subst:
+
+  $ git init -q
+  $ git add dune-project opam/pkg.opam
+  $ git commit -m message|grep -v root-commit
+   2 files changed, 5 insertions(+)
+   create mode 100644 dune-project
+   create mode 100644 opam/pkg.opam
+  $ git tag -a 1.2.3 -m 'tag message'
+
+  $ dune subst
+
+Subst adds a version number based on the git commit:
+
+  $ cat opam/pkg.opam
+  version: "1.2.3"
+  opam-version: "2.0"