(experiment) github action

.github/workflows/macos.yml

@@ -0,0 +1,50 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: macOS-latest
+    env:
+      TRAVIS_OS_NAME: "osx"
+    steps:
+      - uses: actions/checkout@v2
+        
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v1.4.3
+        with:
+          node-version: 12.14.1
+          
+          
+      - name: Clone VSCode repo
+        run: |
+          . get_repo.sh
+          echo "::set-env name=LATEST_MS_TAG::$LATEST_MS_TAG"
+          echo "::set-env name=LATEST_MS_COMMIT::$LATEST_MS_COMMIT"
+
+      - name: Check existing VSCodium tags/releases
+        run: |
+          . check_tags.sh
+          echo "::set-env name=SHOULD_BUILD::$SHOULD_BUILD"
+          
+      - name: Build
+        run: ./build.sh
+
+      - name: Zip release
+        run: ./create_zip.sh
+      
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: env.SHOULD_BUILD == "yes"
+        with:
+          tag_name: ${{ env.LATEST_MS_TAG }}
+          files: |
+            ./*.zip
+            ./*.dmg
+            ./*.sha256
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+