use the set-up ocaml

Author: jfrolich

.github/workflows/pipeline.yml

@@ -10,6 +10,7 @@ jobs:
       matrix:
         node-version: [16.x]
         os: [ubuntu-latest]
+        ocaml-compiler: ["5.1"]
 
     container:
       image: alexfedoseev/alpine-node-yarn-esy:0.0.4
@@ -21,30 +22,17 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
-      - name: Add tar
-        run: apk add --no-cache tar
-      - name: Install
-        run: esy install
-
-      - name: Print esy cache
-        id: print_esy_cache
-        run: node .github/workflows/print_esy_cache.js
-
-      - name: Try to restore dependencies cache
-        uses: actions/cache@v2
-        id: deps-cache
+      - name: Set-up OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@v2
         with:
-          path: ${{ steps.print_esy_cache.outputs.esy_cache }}
-          key: ${{ matrix.os }}-${{ hashFiles('**/index.json') }}
-          restore-keys: |
-            ${{ matrix.os }}-
+          ocaml-compiler: ${{ matrix.ocaml-compiler }}
 
-      - name: build
-        run: esy b
+      - run: opam install . --deps-only --with-test
+
+      - run: opam exec -- dune build
 
       - name: native tests
-        run: |
-          esy b dune runtest -f
+        run: opam exec -- dune runtest -f
         env:
           CI: true
 
@@ -53,9 +41,12 @@ jobs:
           GRAPHQL_CI: true
         run: |
           npm ci --no-optional --ignore-scripts
-          esy test
+          ./tests.sh
           esy release-static
 
+      - name: Release build
+        run: opam exec -- dune build --root . --only-packages 'graphql-ppx' --ignore-promoted-rules --no-config --profile release-static
+
       - name: (only on release) Upload artifacts ${{ matrix.os }}
         uses: actions/upload-artifact@master
         with: