Tweak CI

Let's see how this one works.

Author: Daaaav

.github/workflows/ci.yml

@@ -41,12 +41,30 @@ jobs:
       run: ninja -C ${SRC_DIR_PATH}/build
 
 
-    - name: Upload binary
+    - name: Upload binary (Linux)
+      if: startsWith(matrix.os, 'ubuntu')
       uses: actions/upload-artifact@v1
       with:
-        name: VVVVVV-${{ matrix.os }}Binary
+        name: VVVVVV-MP-Linux-binary-$(date -Idate)
         path: desktop_version/build/VVVVVV
 
+
+    - name: Build .app (macOS)
+      if: startsWith(matrix.os, 'macos')
+      run: |
+        mkdir -pv ${SRC_DIR_PATH}/build/VVVVVV-app/VVVVVV-MP.app/Contents/MacOS/
+        mkdir -pv ${SRC_DIR_PATH}/build/VVVVVV-app/VVVVVV-MP.app/Contents/Resources
+        mv -v ${SRC_DIR_PATH}/build/VVVVVV ${SRC_DIR_PATH}/build/VVVVVV-app/VVVVVV-MP.app/Contents/MacOS/VVVVVV
+        tar -czvf VVVVVV-MP-macOS-$(date -Idate).tgz ${SRC_DIR_PATH}/build/VVVVVV-app/VVVVVV-MP.app
+
+    - name: Upload .app (macOS)
+      if: startsWith(matrix.os, 'macos')
+      uses: actions/upload-artifact@v1
+      with:
+        name: VVVVVV-MP-macOS-$(date -Idate)
+        path: VVVVVV-MP-macOS-$(date -Idate).tgz
+
+
   build-win:
     name: Build (windows-latest)
 
@@ -75,5 +93,5 @@ jobs:
     - name: Upload artifacts
       uses: actions/upload-artifact@v1
       with:
-        name: VVVVVV-Windows
-        path: desktop_version/build/VVVVVV.exe
+        name: VVVVVV-MP-Windows-$(date -Idate)
+        path: desktop_version/Debug/VVVVVV.exe