Move sql file to temp path when restoring postgres db

otherwise postgres may throw an error, if it can't cd to current workdir

rattail_fabric2/postgresql.py

@@ -259,7 +259,9 @@ def clone_db(c, name, owner, download, user='rattail', force=False, workdir=None
         os.chdir(curdir)
 
     # restore database on target server
-    restore_db(c, name, '{}.sql.gz'.format(name))
+    filename = f'{name}.sql.gz'
+    c.sudo(f'mv {filename} /tmp/')
+    restore_db(c, name, f'/tmp/{filename}')
 
 
 def restore_db(c, name, path):