ci: add a publish workflow

.github/actions/download-artifact/action.yml

@@ -0,0 +1,19 @@
+
+name: Download artifact
+description: Download artifact.
+inputs:
+  name:
+    description: The artifact name.
+    default: "${{ github.job }}"
+  path:
+    description: The path to download.
+    required: true
+    default: "dist/*"
+runs:
+  using: "composite"
+  steps:
+    - name: Download Artifact
+      uses: actions/download-artifact@v3
+      with:
+        name: ${{ inputs.name }}
+        path: ${{ inputs.path }}

.github/actions/export-game/action.yml

@@ -1,9 +1,18 @@
 name: Export Godot game
 description: Export Godot game.
 inputs:
+  name:
+    description: The game name.
+    required: true
   platform:
     description: The game platform.
     required: true
+    type: choice
+    options: 
+    - windows
+    - linux
+    - mac
+    - web
   output:
     description: The game output.
     required: true
@@ -46,4 +55,11 @@ runs:
       run: |
         [ -d build ] && rm -r build
         mkdir -v -p build/${{ inputs.platform }}
-        timeout 60 godot --export-release "${{ inputs.preset }}" --headless ./build/${{ inputs.platform }}/${{ inputs.output }} || true
+
+        declare -A outputs
+        outputs['windows'] = '${{ inputs.name }}.exe'
+        outputs['linux'] = '${{ inputs.name }}.x86_64'
+        outputs['mac'] = '${{ inputs.name }}.zip'
+        outputs['web'] = 'index.html'
+
+        timeout 60 godot --export-release "${{ inputs.preset }}" --headless ./build/${{ inputs.platform }}/outputs[${{ inputs.platform }}] || true

.github/workflows/release-packaging.yml → .github/workflows/build.yml

@@ -1,12 +1,27 @@
-name: Release Packaging
+name: Build
 
 on:
   push:
     branches: [main]
+    tags: ['*']
   workflow_dispatch:
 
 jobs:
-  release-packaging:
+  pre_check:
+    runs-on: ubuntu-22.04
+
+    name: Pre-check
+    steps:
+      - name: Ensure version is bump for tag
+        run: |
+          game_version=$(cat .version)
+          if [[ "${{ github.ref }}" =~ ^refs/tags/* ]]; then
+            echo "A tag is pushed"
+            [ "$game_version" == "$GITHUB_REF_NAME" ] && echo "The version file is correct" || exit 2
+          fi
+
+  build:
+    needs: pre_check
     runs-on: ubuntu-20.04
     timeout-minutes: 30
 
@@ -15,19 +30,15 @@ jobs:
       matrix:
         include:
           - platform: windows
-            output: Marble.exe
             preset: Windows Desktop
 
           - platform: linux
-            output: Marble.x86_64
             preset: Linux/X11
 
           # - platform: web
-          #   output: index.html
           #   preset: Web
 
           - platform: mac
-            output: Marble.zip
             preset: macOS
 
     name: ${{ matrix.preset }} Export
@@ -43,8 +54,8 @@ jobs:
       - name: Export Marble
         uses: ./.github/actions/export-game
         with:
+          name: Marble
           platform: ${{ matrix.platform }}
-          output: ${{ matrix.output }}
           preset: ${{ matrix.preset }}
           version: ${{ env.game_version }}
           godot_version: ${{ env.godot_version }}

.github/workflows/publish.yml

@@ -0,0 +1,71 @@
+name: Publish
+
+# Only trigger, when the build workflow succeeded
+on:
+  workflow_run:
+    workflows: ["Build"]
+    types: [completed]
+    tags: ['[0-9]+.[0-9]+.[0-9]+']
+
+jobs:
+  create_release:
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-22.04
+
+    name: Create Release
+    steps:
+      - name: Create Draft release
+        run: |
+          gh release create "$GITHUB_REF_NAME" \
+              --repo="$GITHUB_REPOSITORY" \
+              --title="v$GITHUB_REF_NAME" \
+              --draft
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  publish:
+    needs: create_release
+    runs-on: ubuntu-20.04
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - platform: windows
+            preset: Windows Desktop
+
+          - platform: linux
+            preset: Linux/X11
+
+          # - platform: web
+          #   preset: Web
+
+          - platform: mac
+            preset: macOS
+
+    name: ${{ matrix.preset }} Publish
+    steps:
+      - name: Download artifact
+        uses: ./.github/actions/upload-artifact
+        with:
+          name: Marble-${{ matrix.platform }}-v$GITHUB_REF_NAME
+          path: dist/${{ matrix.platform }}
+
+      - name: Upload to release
+        run: |
+          gh release upload "$GITHUB_REF_NAME" \
+              --repo="$GITHUB_REPOSITORY" \
+              --clobber \
+              dist/${{ matrix.platform }}/Marble-${{ matrix.platform }}-v$GITHUB_REF_NAME.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload to itch.io
+        uses: josephbmanley/[email protected]
+        env:
+          BUTLER_CREDENTIALS: ${{ secrets.BUTLER_API_KEY }}
+          CHANNEL: ${{ matrix.platform }}-v$GITHUB_REF_NAME
+          ITCH_GAME: marble
+          ITCH_USER: mechanical-flower
+          PACKAGE: dist/${{ matrix.platform }}/Marble-${{ matrix.platform }}-v$GITHUB_REF_NAME.zip
+          VERSION: $GITHUB_REF_NAME