Reset failed foreground sync

app/src/main/java/eu/faircode/email/Core.java

@@ -222,7 +222,7 @@ class Core {
                         if (ex instanceof MessageRemovedException ||
                                 ex instanceof FolderNotFoundException ||
                                 ex instanceof IllegalArgumentException) {
-                            Log.w("Unrecoverable", ex);
+                            Log.w("Unrecoverable");
 
                             // There is no use in repeating
                             db.operation().deleteOperation(op.id);
@@ -254,12 +254,18 @@ class Core {
                         } else if (ex instanceof MessagingException) {
                             // Socket timeout is a recoverable condition (send message)
                             if (ex.getCause() instanceof SocketTimeoutException) {
-                                Log.w("Recoverable", ex);
+                                Log.w("Recoverable");
                                 // No need to inform user
                                 return;
                             }
                         }
 
+                        if (EntityOperation.SYNC.equals(op.name) && jargs.getBoolean(3) /* foreground */) {
+                            Log.w("Deleting foreground SYNC");
+                            db.operation().deleteOperation(op.id);
+                            db.folder().setFolderSyncState(folder.id, null);
+                        }
+
                         throw ex;
                     }
                 } finally {

app/src/main/java/eu/faircode/email/EntityOperation.java

@@ -228,11 +228,14 @@ public class EntityOperation {
             if (folder.account != null)
                 account = db.account().getAccount(folder.account);
 
+            JSONArray jargs = folder.getSyncArgs();
+            jargs.put(foreground);
+
             EntityOperation operation = new EntityOperation();
             operation.folder = folder.id;
             operation.message = null;
             operation.name = SYNC;
-            operation.args = folder.getSyncArgs().toString();
+            operation.args = jargs.toString();
             operation.created = new Date().getTime();
             operation.id = db.operation().insertOperation(operation);