erp5: exclude mariadb backup-incremental folder

This folder contains binlogs, which are written on every transaction
commited in mariadb. As it is not an immutable file, it shouldn't be
part of the backup, even if its path is confusing...

stack/erp5/buildout.hash.cfg

@@ -26,7 +26,7 @@ md5sum = d95e8500bdc72d1f40b97cc414656e7e
 
 [template-mariadb]
 filename = instance-mariadb.cfg.in
-md5sum = b27b034e7c9ab13e446e4ac59cda9f38
+md5sum = 2d687117150528fb5aad503874a1ad33
 
 [template-kumofs]
 filename = instance-kumofs.cfg.in

stack/erp5/instance-mariadb.cfg.in

@@ -273,7 +273,7 @@ slowquery = ${monitor-directory:private}/slowquery_digest
 [{{ section('resiliency-exclude-file') }}]
 # Generate rdiff exclude file in case of resiliency
 < = jinja2-template-base
-template = {{ 'inline:{{ "${directory:mariadb-data}/**\\n${directory:log}/**\\n${directory:tmp}/**\\n" }}' }}
+template = {{ 'inline:{{ "${directory:mariadb-data}/**\\n${directory:mariadb-backup-incremental}/**\\n${directory:log}/**\\n${directory:tmp}/**\\n" }}' }}
 rendered = ${directory:srv}/exporter.exclude
 
 [{{ section("resiliency-identity-signature-script")}}]