Windows run on GitHub Actions

.github/workflows/main.yml

@@ -8,44 +8,30 @@ on:
     - cron: 0 1 * * MON
 
 jobs:
-  build:
-    strategy:
-      matrix:
-        os:
-          - ubuntu-latest
-          - macos-latest
-        ocaml-compiler:
-          - 5.0.x
-          - ocaml-variants.5.1.0+trunk
-
-    runs-on: ${{ matrix.os }}
+  windows:
+    runs-on: windows-latest
 
     env:
       QCHECK_MSG_INTERVAL: '60'
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Get latest OCaml commit hash
-        id: multicore_hash
-        shell: bash
-        run: |
-          curl -sH "Accept: application/vnd.github.v3+json" \
-          https://api.github.com/repos/ocaml/ocaml/commits/trunk \
-          | jq .commit.tree.sha | xargs printf '::set-output name=commit::%s'
+        uses: actions/checkout@v2
+
       - name: Use OCaml ${{ matrix.ocaml-compiler }}
         uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-compiler: ${{ matrix.ocaml-compiler }}
+          opam-pin: false
+          opam-depext: false
+          ocaml-compiler: ocaml.5.0.0,ocaml-option-mingw
           opam-repositories: |
-            default: https://github.com/ocaml/opam-repository.git
-            alpha: git+https://github.com/kit-ty-kate/opam-alpha-repository
+            dra27: https://github.com/dra27/opam-repository.git#windows-5.0
+            default: https://github.com/ocaml-opam/opam-repository-mingw.git#sunset
+            upstream: https://github.com/ocaml/opam-repository.git
           cache-prefix: ${{ steps.multicore_hash.outputs.commit }}
-          opam-depext: false
 
       - run: opam install . --deps-only --with-test
 
-      - run: opam exec -- make all
+      - run: opam exec -- dune build
 
-      - run: opam exec -- make run_test
+      - run: opam exec -- dune runtest