626 

   626 # NOW IN CORE f85816af6294

   627 def createmarkers(repo, relations, metadata=None, flag=0):

   627 try:

   628     """Add obsolete markers between changeset in a repo

   628     createmarkers = obsolete.createmarkers

   629 

   629 except AttributeError:

   630     <relations> must be an iterable of (<old>, (<new>, ...)) tuple.

   630     def createmarkers(repo, relations, metadata=None, flag=0):

   631     `old` and `news` are changectx.

   631         """Add obsolete markers between changeset in a repo

   632 

   632 

   633     Current user and date are used except if specified otherwise in the

   633         <relations> must be an iterable of (<old>, (<new>, ...)) tuple.

   634     metadata attribute.

   634         `old` and `news` are changectx.

   635 

   635 

   636     /!\ assume the repo have been locked by the user /!\

   636         Current user and date are used except if specified otherwise in the

   637     """

   637         metadata attribute.

   638     # prepare metadata

   638 

   639     if metadata is None:

   639         /!\ assume the repo have been locked by the user /!\

   640         metadata = {}

   640         """

   641     if 'date' not in metadata:

   641         # prepare metadata

   642         metadata['date'] = '%i %i' % util.makedate()

   642         if metadata is None:

   643     if 'user' not in metadata:

   643             metadata = {}

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

   644         if 'date' not in metadata:

   645     # check future marker

   645             metadata['date'] = '%i %i' % util.makedate()

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

   646         if 'user' not in metadata:

   647     try:

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

   648         for prec, sucs in relations:

   648         # check future marker

   649             if not prec.mutable():

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

   650                 raise util.Abort("Cannot obsolete immutable changeset: %s" % prec)

   650         try:

   651             nprec = prec.node()

   651             for prec, sucs in relations:

   652             nsucs = tuple(s.node() for s in sucs)

   652                 if not prec.mutable():

   653             if nprec in nsucs:

   653                     raise util.Abort("cannot obsolete immutable changeset: %s" % prec)

   654                 raise util.Abort("Changeset %s cannot obsolete himself" % prec)

   654                 nprec = prec.node()

   655             repo.obsstore.create(tr, nprec, nsucs, flag, metadata)

   655                 nsucs = tuple(s.node() for s in sucs)

   656             clearobscaches(repo)

   656                 if nprec in nsucs:

   657         tr.close()

   657                     raise util.Abort("changeset %s cannot obsolete himself" % prec)

   658     finally:

   658                 repo.obsstore.create(tr, nprec, nsucs, flag, metadata)

   659         tr.release()

   659                 clearobscaches(repo)

   660             tr.close()

   661         finally:

   662             tr.release()