restore

Author: ospencer

.github/workflows/opam.yml

@@ -27,6 +27,16 @@ jobs:
 
       - name: Setup OCaml ${{ matrix.ocaml-compiler }}
         uses: ocaml/setup-ocaml@0b8b8c6f352bfdd12fa56b6727eed5990aa22859 # v3.2.10
+        if: ${{ startsWith(matrix.os, 'windows-') }}
+        with:
+          ocaml-compiler: ${{ matrix.ocaml-compiler }}
+          opam-repositories: |
+            opam-repository-mingw: https://github.com/ocaml-opam/opam-repository-mingw.git#sunset
+            default: https://github.com/ocaml/opam-repository.git
+
+      - name: Setup OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@0b8b8c6f352bfdd12fa56b6727eed5990aa22859 # v3.2.10
+        if: ${{ !startsWith(matrix.os, 'windows-') }}
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}