use actions-gh-release

Author: jepler

.github/workflows/githubci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arduino-platform: ["cpb"]
+        arduino-platform: ["cpc", "ledglasses_nrf52840"]
     runs-on: ubuntu-18.04
 
     steps:
@@ -46,3 +46,20 @@ jobs:
             build/*.hex
             build/*.bin
             build/*.uf2
+
+    - name: where am I
+      run: find -name \*.uf2 -or -name \*.bin
+
+    - name: Zip release files
+      if: startsWith(github.ref, 'refs/tags/')
+      run: |
+        if [ -d build ]; then
+            cd build && zip -9 -o ${{ matrix.arduino-platform }}.zip *.hex *.bin *.uf2
+        fi
+
+    - name: Create release
+      if: startsWith(github.ref, 'refs/tags/')
+      uses: softprops/action-gh-release@v1
+      with:
+        files: build/${{ matrix.arduino-platform }}.zip
+        fail_on_unmatched_files: false