Separate macOS and Windows build jobs, as it's too conditionalized now

.github/workflows/main.yml

@@ -8,26 +8,12 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build:
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - preset: macOS
-            artifact: mac.zip
-            channel: mac
-            runner: macos-latest
-          - preset: Windows
-            artifact: Windows
-            channel: windows
-            runner: ubuntu-latest
-
-    runs-on: ${{ matrix.config.runner }}
+  build-mac:
+    runs-on: macos-latest
 
     steps:
+      # See https://docs.github.com/en/actions/deployment/deploying-xcode-applications/installing-an-apple-certificate-on-macos-runners-for-xcode-development
       - name: Install Apple codesigning certificate
-        if: ${{ matrix.config.preset == 'macOS' }}
-        # See https://docs.github.com/en/actions/deployment/deploying-xcode-applications/installing-an-apple-certificate-on-macos-runners-for-xcode-development
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.APPLE_CODESIGNING_CERTIFICATE }}
           P12_PASSWORD: ${{ secrets.APPLE_CODESIGNING_P12_PASSWORD }}
@@ -50,6 +36,41 @@ jobs:
           security set-key-partition-list -S apple-tool:,apple: -k "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
           security list-keychain -d user -s $KEYCHAIN_PATH
 
+      - name: Install Godot
+        working-directory: ${{ env.RUNNER_TEMP }}
+        run: |
+          curl -sL https://github.com/godotengine/godot/releases/download/4.2.2-stable/Godot_v4.2.2-stable_macos.universal.zip -o godot.zip
+          unzip godot.zip
+          mv Godot.app "$RUNNER_TEMP/Godot.app"
+
+      - name: Install butler
+        working-directory: ${{ env.RUNNER_TEMP }}
+        run: |
+          curl -sL https://broth.itch.ovh/butler/darwin-amd64/LATEST/archive/default -o butler.zip
+          unzip butler.zip
+          mv butler "$RUNNER_TEMP/butler"
+
+      - uses: actions/checkout@v4
+
+      - name: Prepare export templates
+        run: |
+          mkdir -p ~/.local/share/godot/export_templates/4.2.2.stable
+          mv build/export_templates/* ~/.local/share/godot/export_templates/4.2.2.stable/
+
+      - name: Export build
+        run: |
+          "$RUNNER_TEMP/Godot.app/Contents/MacOS/Godot" --headless --export-release macOS
+
+      - name: Push to itch.io
+        env:
+          BUTLER_API_KEY: ${{ secrets.BUTLER_API_KEY }}
+        run: |
+          "$RUNNER_TEMP/butler" push build/mac.zip "jspahrsummers/Merc:mac"
+
+  build-windows:
+    runs-on: ubuntu-latest
+
+    steps:
       - name: Install Godot
         working-directory: ${{ env.RUNNER_TEMP }}
         run: |
@@ -71,12 +92,12 @@ jobs:
           mkdir -p ~/.local/share/godot/export_templates/4.2.2.stable
           mv build/export_templates/* ~/.local/share/godot/export_templates/4.2.2.stable/
 
-      - name: Export ${{ matrix.config.preset }} build
+      - name: Export build
         run: |
-          "$RUNNER_TEMP/godot" --headless --export-release "${{ matrix.config.preset }}"
+          "$RUNNER_TEMP/godot" --headless --export-release Windows
 
       - name: Push to itch.io
         env:
           BUTLER_API_KEY: ${{ secrets.BUTLER_API_KEY }}
         run: |
-          "$RUNNER_TEMP/butler" push "build/${{ matrix.config.artifact }}" "jspahrsummers/Merc:${{ matrix.config.channel }}"
+          "$RUNNER_TEMP/butler" push build/Windows "jspahrsummers/Merc:windows"