1026     # prepare metadata

  1026     # prepare metadata

  1027     if metadata is None:

  1027     if metadata is None:

  1028         metadata = {}

  1028         metadata = {}

  1029     if 'user' not in metadata:

  1029     if 'user' not in metadata:

  1030         metadata['user'] = repo.ui.username()

  1030         metadata['user'] = repo.ui.username()

  1031     useoperation = repo.ui.configbool('experimental',

  1033     useoperation = repo.ui.configbool('experimental',

  1032         'stabilization.track-operation')

  1034         'stabilization.track-operation')

  1033     if useoperation and operation:

  1035     if useoperation and operation:

  1034         metadata['operation'] = operation

  1036         metadata['operation'] = operation

  1035     tr = repo.transaction('add-obsolescence-marker')

  1038     tr = repo.transaction('add-obsolescence-marker')

  1036     try:

  1039     try:

  1037         markerargs = []

  1040         markerargs = []

  1038         for rel in relations:

  1041         for rel in relations:

  1039             prec = rel[0]

  1042             prec = rel[0]