From 07f4b1d86ea6e21395a9349c975d22405ca4d76b Mon Sep 17 00:00:00 2001
From: Pierre Villemot <pierre.villemot@ocamlpro.com>
Date: Mon, 30 Oct 2023 10:47:31 +0100
Subject: [PATCH] Use the prelease of opam

We use the new flag `allow-prelease-opam` of the GitHub action
`setup-ocaml` to use the prelease version `2.2` of opam.
---
 .github/workflows/build.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d583d93e31..b4e16f705b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,6 +41,7 @@ jobs:
       - name: Use OCaml ${{ matrix.ocaml-compiler }}
         uses: ocaml/setup-ocaml@v2
         with:
+          allow-prelease-opam: true
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
           dune-cache: true