Create workflow for builds

Author: f1shy-dev

.github/workflows/build_app.yml

@@ -0,0 +1,46 @@
+name: build_app
+
+on:
+  push:
+    tags: [ develop ]
+
+jobs:
+  master_deploy:
+    runs-on: macos-latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v2
+
+      - name: Find first scheme of default project
+        run: |
+          echo "::set-env name=SCHEME::$(xcodebuild -list -json | jq -r '.project.schemes[0]')"
+          
+      - name: Set environment variables from project settings
+        run: |
+          function set-env-from-proj { 
+            echo "::set-env name=$1::$(xcodebuild -scheme "$SCHEME" -showBuildSettings | grep " $1 " | sed "s/[ ]*$1 = //")"
+          }
+          set-env-from-proj FULL_PRODUCT_NAME
+          set-env-from-proj INSTALL_PATH
+          set-env-from-proj PRODUCT_BUNDLE_IDENTIFIER
+          set-env-from-proj PRODUCT_MODULE_NAME
+          set-env-from-proj PRODUCT_NAME
+          set-env-from-proj PROJECT_NAME
+
+      - name: Build and install app
+        shell: bash
+        run: |
+          xcodebuild -scheme "$SCHEME" install DSTROOT=build/root | xcpretty
+
+      - name: Package app
+        run: |
+          hdiutil create \
+                  -fs HFS+ \
+                  -srcfolder "build/root/$INSTALL_PATH/$FULL_PRODUCT_NAME" \
+                  -volname "$PRODUCT_NAME" "build/$PRODUCT_MODULE_NAME.dmg"
+
+      - name: Upload a Build Artifact
+        uses: actions/[email protected]
+        with:
+          path: build/${{ env.PRODUCT_MODULE_NAME }}.dmg