tabbed DNC card, machine-numbered downloads, themed backup history

plugins/backups/api/routes.py

@@ -208,10 +208,16 @@ def download_revision(backuprevisionid):
     except ValueError as exc:
         return error_response(ErrorCodes.VALIDATION_ERROR, str(exc))
 
-    filename = revision.sourcefilename or '{}-{}{}'.format(
-        assetnumber, kind.key, ext)
+    # Named for the MACHINE, not the revision or the kind: a tech restoring bay
+    # 3204 wants 3204.reg, matching how the per-machine backups on the share
+    # have always been named. sourcefilename is deliberately not reused here -
+    # a seeded revision carries "3204.reg" already and appending an extension
+    # to it produced "3204.reg.reg".
+    filename = '{}{}'.format(assetnumber, ext)
     if formatid == 'wow6432node':
-        filename = '{}-{}-wow6432node{}'.format(assetnumber, kind.key, ext)
+        # The two dialects must not collide in a downloads folder, and the
+        # suffix says which one will import correctly outside NTLARS.
+        filename = '{}-wow6432node{}'.format(assetnumber, ext)
 
     return Response(
         raw,