Fix compare for real

Author: Pururun

.github/workflows/android-reproducible-builds.yml

@@ -107,9 +107,14 @@ jobs:
           echo "Fdroid build checksum"
           md5sum server/app-oss-prod-fdroid-unsigned.apk
 
+      - name: Copy files
+        run: |
+          cp container/app-oss-prod-fdroid-unsigned.apk container.apk
+          cp server/app-oss-prod-fdroid-unsigned.apk server.apk
+
       - name: Compare files
         run: >
-          if [[ "$(md5sum container/app-oss-prod-fdroid-unsigned.apk)" = "$(md5sum server/app-oss-prod-fdroid-unsigned.apk)" ]]
+          if [[ "$(md5sum container.apk)" = "$(md5sum server.apk)" ]]
           then echo "Equal checksums";
           else echo "Checksums are different";
           exit 1; fi