Ensure that the pleroma config doesn't get overwritten during upgrades

src/freedombone-app-pleroma

@@ -700,6 +700,9 @@ function upgrade_pleroma {
         return
     fi
 
+    # make a copy of the configuration
+    cp $PLEROMA_DIR/priv/static/static/config.json $PLEROMA_DIR/priv/static/static/config_prev.json
+
     function_check set_repo_commit
     set_repo_commit $PLEROMA_DIR "pleroma commit" "$PLEROMA_COMMIT" $PLEROMA_REPO
     chown -R pleroma:pleroma $PLEROMA_DIR
@@ -709,6 +712,12 @@ function upgrade_pleroma {
 
     expire_pleroma_posts $PLEROMA_DOMAIN_NAME $PLEROMA_EXPIRE_MONTHS
     create_pleroma_blocklist
+
+    # restore the configuration
+    cp $PLEROMA_DIR/priv/static/static/config_prev.json $PLEROMA_DIR/priv/static/static/config.json
+    chown pleroma:pleroma $PLEROMA_DIR/priv/static/static/config.json
+
+    systemctl restart pleroma
 }
 
 function backup_local_pleroma {