ci(GitHub): build ZIP release archives

[skip ci]

.github/workflows/release.yml

@@ -58,21 +58,36 @@ jobs:
           pio upgrade --dev
           pio pkg update --global
 
+      - name: Update build command (non-Windows)
+        run: |
+          sed -i '/\[env\]/p; s/\[env\]/upload_protocol = custom/' platformio.ini
+          sed -i '/\[env\]/p; s/\[env\]/upload_command = \$PYTHONEXE .\/scripts\/ci\/create-archive.py \$FLASH_EXTRA_IMAGES \$ESP32_APP_OFFSET \$SOURCE/' platformio.ini
+
       - name: Build
         run: |
-          pio run --environment ${{matrix.target}}
+          mkdir build
+
+          echo "::group::platformio.ini"
+          cat platformio.ini
+          echo "::endgroup::"
+
+          echo "::group::pio run"
+          pio run --environment ${{matrix.target}} --target upload
+          echo "::endgroup::"
+
+          unzip -l ./build/firmware.zip
 
       - name: Upload Artifact
         uses: actions/upload-artifact@v3
         with:
-          name: ${{matrix.target}}
-          path: ./.pio/build/${{matrix.target}}/firmware.bin
+          name: firmware-${{matrix.target}}
+          path: ./build/firmware.zip
           retention-days: 5
 
       - name: Upload binaries to release
         uses: svenstaro/upload-release-action@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
-          asset_name: ${{matrix.target}}.bin
-          file: ./.pio/build/${{matrix.target}}/firmware.bin
+          asset_name: ${{matrix.target}}.zip
+          file: ./build/firmware.zip
           tag: ${{github.ref}}

.gitignore

@@ -12,4 +12,7 @@
 .piolibdeps
 .clang_complete
 .gcc-flags.json
-/lib/
+/lib/
+
+# CI
+/build/

scripts/ci/create-archive.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+import sys
+from os import getcwd
+from ntpath import basename
+from zipfile import ZipFile
+import json
+
+n = 2
+partitions_arg = sys.argv[1:]
+partitions = final = [partitions_arg[i * n:(i + 1) * n] for i in range((len(partitions_arg) + n - 1) // n )]
+
+with ZipFile('build/firmware.zip', 'w') as archive:
+    print('Creating "' + archive.filename + '"', end='\n')
+    parts = []
+
+    for [offset, path] in partitions:
+        filename = basename(path)
+        archive.write(path, filename)
+        partition = {
+            'path': filename,
+            'offset': int(offset, 16),
+        }
+        parts.append(partition)
+
+    manifest = {
+        'chipFamily': 'ESP32',
+        'parts': parts,
+    }
+    archive.writestr('manifest.json', json.dumps(manifest))
+