Generate Unsigned APK on External PR

Author: fatalcoder524

.github/workflows/build.yml

@@ -76,6 +76,7 @@ jobs:
 
       - uses: r0adkll/sign-android-release@v1.0.4
         name: Sign app APK
+        if: github.repository == github.event.pull_request.head.repo.full_name
         id: sign_app
         with:
           releaseDirectory: app/build/outputs/apk/release
@@ -87,11 +88,18 @@ jobs:
           BUILD_TOOLS_VERSION: "35.0.0"
 
       - name: Rename APK
+        if: github.repository == github.event.pull_request.head.repo.full_name
         run: |
           ls -al app/build/outputs/apk/release
           echo "Signed APK: ${{steps.sign_app.outputs.signedReleaseFile}}"
           cp ${{steps.sign_app.outputs.signedReleaseFile}} KernelFlasher_${{ env.NEW_VERSION_CODE }}.apk
 
+      - name: Rename APK
+        if: github.repository != github.event.pull_request.head.repo.full_name
+        run: |
+          ls -al app/build/outputs/apk/release
+          cp ./app/build/outputs/apk/release/app-release-unsigned.apk KernelFlasher_${{ env.NEW_VERSION_CODE }}.apk
+
       - name: Upload APK
         uses: actions/upload-artifact@v4.3.5
         with: