diff -r 3a03264de3eb -r 426b3d1e82d0 mercurial/commands.py --- a/mercurial/commands.py Mon Mar 06 03:25:44 2017 -0800 +++ b/mercurial/commands.py Mon Mar 06 03:26:30 2017 -0800 @@ -886,7 +886,8 @@ # update state state['current'] = [node] hbisect.save_state(repo, state) - status = ui.system(command, environ={'HG_NODE': hex(node)}) + status = ui.system(command, environ={'HG_NODE': hex(node)}, + blockedtag='bisect_check') if status == 125: transition = "skip" elif status == 0: