Updated doc, default path on conf file

README.rst

@@ -108,30 +108,30 @@ You can start the process as follows::
 
 Then follow the step on the console.
 
-There are also two non-interactive mode:
+There are also a non-interactive mode:
 
-1. Silent batch mode
+1. Silent mode
 
 Command::
 
-  $ sudo ./run.py --backup --sbatch <your domain>
+  $ sudo ./run.py --silent-backup <your domain>
 
-This mode is the silent batch mode, when executed, it will create /modoboa_backup/backup{time} and each time you execute it, it will create a new backup directory with current time.
+This mode is the silent batch mode, when executed, it will create /modoboa_backup/ and each time you execute it, it will create a new backup directory with current time.
 
-2. Path batch mode
+You can supply a custom path.
 
 Command::
 
-  $ sudo ./run.py --backup --batch /path/of/backup/directory <your domain>
+  $ sudo ./run.py --silent-backup --backup-path /path/of/backup/directory <your domain>
 
 This mode is the same as silent batch mode, but you provide the path to the backup directory you want.
 
 
 If you want to disable mail backup::
 
-  $ sudo ./run.py --backup --no-mail <your domain>
+  $ sudo ./run.py {--backup|--silent-backup} --no-mail-backup <your domain>
  
-This can be useful for larger instance
+This can be useful for larger instance.
 
 Restore mode
 ------------

modoboa_installer/scripts/backup.py

@@ -4,7 +4,6 @@ import os
 import pwd
 import shutil
 import stat
-import datetime
 import sys
 
 from .. import database
@@ -78,8 +77,10 @@ class Backup:
         """Setup backup directory."""
         if self.silent_backup:
             if self.backup_path is None:
-                date = datetime.datetime.now().strftime("%m_%d_%Y_%H_%M")
-                path = f"./modoboa_backup/backup_{date}/"
+                if self.config.has_option("backup", "default_path"):
+                    path = self.config.get("backup", "default_path")
+                else:
+                    path = f"./modoboa_backup/"
                 self.validate_path(path)
             else:
                 if not self.validate_path(self.backup_path):