diff --git a/mercurial/exchangev2.py b/mercurial/exchangev2.py --- a/mercurial/exchangev2.py +++ b/mercurial/exchangev2.py @@ -147,6 +147,9 @@ def _processchangesetdata(repo, tr, objs for mark in cset.get(b'bookmarks', []): remotebookmarks[mark] = node + # TODO add mechanism for extensions to examine records so they + # can siphon off custom data fields. + # Some entries might only be metadata only updates. if b'revisionsize' not in cset: continue diff --git a/mercurial/wireprotov2server.py b/mercurial/wireprotov2server.py --- a/mercurial/wireprotov2server.py +++ b/mercurial/wireprotov2server.py @@ -397,6 +397,8 @@ def _capabilitiesv2(repo, proto): 'framingmediatypes': [FRAMINGTYPE], } + # TODO expose available changesetdata fields. + for command, entry in COMMANDS.items(): caps['commands'][command] = { 'args': entry.args, @@ -474,6 +476,8 @@ def capabilitiesv2(repo, proto): def changesetdata(repo, proto, noderange=None, nodes=None, fields=None): fields = fields or set() + # TODO look for unknown fields and abort when they can't be serviced. + if noderange is None and nodes is None: raise error.WireprotoCommandError( 'noderange or nodes must be defined') @@ -563,6 +567,9 @@ def changesetdata(repo, proto, noderange revisiondata = cl.revision(node, raw=True) d[b'revisionsize'] = len(revisiondata) + # TODO make it possible for extensions to wrap a function or register + # a handler to service custom fields. + yield d if revisiondata is not None: