Increase BT revision according to upstream revision, if possible

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44045 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessTemplate.py

@@ -4567,6 +4567,9 @@ Business Template is a set of definitions, such as skins, portal types and categ
       # Make sure that everything is sane.
       self.clean()
 
+      try:
+        self.setRevision(self.getVcsTool().newRevision())
+      except NotAWorkingCopyError:
         self.updateRevisionNumber()
       self._setTemplateFormatVersion(1)
       self.storeTemplateItemData()

product/ERP5VCS/WorkingCopy.py

@@ -200,6 +200,7 @@ class WorkingCopy(Implicit):
       file.write(str(revision))
     finally:
       file.close()
+    return revision
 
   def getLastChangelog(self):
     """Return last changelog of a business template