try running dune build inside a script

Author: tsnobip

.github/workflows/ci.yml

@@ -185,6 +185,9 @@ jobs:
       - name: Install deps
         run: opam install . --deps-only --with-test
 
+      - name: Build running a bash script
+        run: opam exec -- bash ./dune_build.sh
+
       - name: Build
         run: opam exec -- dune build
 

packages/sury-ppx/src/dune_build.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+echo "current directory: $(pwd)"
+
+echo "start building with dune"
+dune build