build: Add GitHub workflow

.github/workflows/early-access.yml

@@ -0,0 +1,70 @@
+name: EarlyAccess
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  precheck:
+    if: github.repository == 'jreleaser/helloworld-ocaml' && startsWith(github.event.head_commit.message, 'Releasing version') != true
+    runs-on: ubuntu-latest
+    outputs:
+      VERSION: ${{ steps.vars.outputs.VERSION }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cancel previous run
+        uses: styfle/cancel-workflow-action@0.12.1
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Version
+        id: vars
+        shell: bash
+        run: |
+          VERSION=$(cat VERSION)
+          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+
+  build:
+    needs: [ precheck ]
+    if: endsWith(${{ needs.precheck.outputs.VERSION }}, '-SNAPSHOT')
+    uses: jreleaser/helloworld-ocaml/.github/workflows/reusable-build.yml@main
+    with:
+      version: ${{ needs.precheck.outputs.VERSION }}
+
+  release:
+    needs: [ precheck, build ]
+    if: endsWith(${{ needs.precheck.outputs.VERSION }}, '-SNAPSHOT')
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: artifact-*
+          merge-multiple: true
+          path: out/jreleaser/assemble/helloworld/archive
+
+      - name: Release
+        uses: jreleaser/release-action@v2
+        with:
+          arguments: release
+        env:
+          JRELEASER_PROJECT_VERSION: ${{ needs.precheck.outputs.VERSION }}
+          JRELEASER_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: JReleaser output
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          retention-days: 1
+          name: jreleaser-release
+          path: |
+            out/jreleaser/trace.log
+            out/jreleaser/output.properties

.github/workflows/release.yml

@@ -0,0 +1,79 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Release version'
+        required: true
+
+jobs:
+  precheck:
+    name: Precheck
+    runs-on: ubuntu-latest
+    outputs:
+      VERSION: ${{ steps.vars.outputs.VERSION }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cancel previous run
+        uses: styfle/cancel-workflow-action@0.12.1
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Version
+        id: vars
+        shell: bash
+        run: |
+          echo "VERSION=${{ github.event.inputs.version }}" >> $GITHUB_OUTPUT
+
+  build:
+    needs: [ precheck ]
+    uses: jreleaser/helloworld-ocaml/.github/workflows/reusable-build.yml@main
+    with:
+      version: ${{ needs.precheck.outputs.VERSION }}
+
+  release:
+    name: Release
+    needs: [ precheck, build ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: artifact-*
+          merge-multiple: true
+          path: out/jreleaser/assemble/helloworld/archive
+
+      - name: Commit version
+        run: |
+          echo ${{ github.event.inputs.version }} > VERSION
+          git add VERSION
+          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git config --global user.name "GitHub Action"
+          git commit -a -m "Releasing version ${{ needs.precheck.outputs.VERSION }}"
+          git push origin main
+
+      - name: Release
+        uses: jreleaser/release-action@v2
+        with:
+          version: early-access
+          arguments: release
+        env:
+          JRELEASER_PROJECT_VERSION: ${{ needs.precheck.outputs.VERSION }}
+          JRELEASER_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: JReleaser output
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: jreleaser-release
+          path: |
+            out/jreleaser/trace.log
+            out/jreleaser/output.properties

.github/workflows/reusable-build.yml

@@ -0,0 +1,51 @@
+name: Build
+
+on:
+  workflow_call:
+    inputs:
+      version:
+        required: true
+        type: string
+
+jobs:
+  build:
+    name: 'Build ${{ matrix.os }}'
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, macos-13]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup OCaml
+        uses: ocaml/setup-ocaml@v3
+        with:
+          ocaml-compiler: 5     
+
+      - name: Assemble
+        uses: jreleaser/release-action@v2
+        with:
+          version: early-access
+          arguments: assemble --select-current-platform
+        env:
+          JRELEASER_PROJECT_VERSION: ${{ inputs.version }}
+          JRELEASER_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: JReleaser output
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: jreleaser-assemble-${{ runner.os }}-${{ runner.arch }}
+          path: |
+            out/jreleaser/trace.log
+            out/jreleaser/output.properties
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          retention-days: 1
+          name: artifact-${{ runner.os }}-${{ runner.arch }}
+          path: |
+            out/jreleaser/assemble/helloworld/archive/*.zip

.gitignore

@@ -1,2 +1,5 @@
 target/
 out/
+*.cmx
+*.cmd
+*.o

README.adoc

@@ -14,7 +14,6 @@ This repository shows how to configure link:https://github.com/features/actions[
    ** osx-aarch_64
    ** osx-x86_64
    ** linux-x86_64
-   ** windows-x86_64
  * assemble zip distributions with JReleaser
  * create rolling early-access releases with JReleaser on every push to `main` branch
 

jreleaser.yml

@@ -7,15 +7,15 @@ matrix:
     - { ext: '',     platform: osx-aarch_64   }
     - { ext: '',     platform: osx-x86_64     }
     - { ext: '',     platform: linux-x86_64   }
-    - { ext: '.exe', platform: windows-x86_64 }
+    #- { ext: '.exe', platform: windows-x86_64 }
 
 hooks:
   script:
     before:
       - run: |
           echo "Compiling {{ matrix.platform }}"
           mkdir -p target/{{ matrix.platform }}
-          ocamlopt -o target/{{ matrix.platform }}/helloworld{{ matrix.ext }} src/helloworld.ml
+          opam exec -- ocamlc -o target/{{ matrix.platform }}/helloworld{{ matrix.ext }} src/helloworld.ml
         verbose: true
         applyDefaultMatrix: true
         verbose: true