From f90df89f9053bdad96d61935d704f33239f3fed5 Mon Sep 17 00:00:00 2001 From: Zac Medico Date: Fri, 4 Feb 2011 09:41:30 -0800 Subject: depgraph: make downgrades trigger complete graph It's common for downgrades to break dependencies, as in bug #353613, so automatically trigger complete graph mode when a downgrade is found. --- pym/_emerge/depgraph.py | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) (limited to 'pym') diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py index 4334a3308..f13188939 100644 --- a/pym/_emerge/depgraph.py +++ b/pym/_emerge/depgraph.py @@ -3456,8 +3456,27 @@ class depgraph(object): return 1 if "complete" not in self._dynamic_config.myparams: - # Skip this to avoid consuming enough time to disturb users. - return 1 + # Automatically enable complete mode if there are any + # downgrades, since they often break dependencies + # (like in bug #353613). + have_downgrade = False + for node in self._dynamic_config.digraph: + if not isinstance(node, Package) or \ + node.operation != "merge": + continue + vardb = self._frozen_config.roots[ + node.root].trees["vartree"].dbapi + inst_pkg = vardb.match_pkgs(node.slot_atom) + if inst_pkg and inst_pkg[0] > node: + have_downgrade = True + break + + if have_downgrade: + self._dynamic_config.myparams["complete"] = True + else: + # Skip complete graph mode, in order to avoid consuming + # enough time to disturb users. + return 1 self._load_vdb() -- cgit v1.2.3-1-g7c22