From 00cf943a1640410a134ac70bf52f85b05a3f2b03 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 11 Dec 2006 21:38:02 +0000
Subject: For bug #157823, ignore blocker collisions between two packages that
 are already installed if no merge is currently scheduled for either of those
 package slots.  These blockers will be handled as necessary the next time
 that a merge of either package is triggered.

svn path=/main/trunk/; revision=5272
---
 bin/emerge | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'bin/emerge')

diff --git a/bin/emerge b/bin/emerge
index 0a35d4907..88c59c53d 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -1520,6 +1520,19 @@ class depgraph:
 								self.blocker_parents[blocker] = myparents
 							myparents.add(myparent)
 
+		modified_slots = {}
+		if self.blocker_parents:
+			for myroot in self.trees:
+				myslots = {}
+				modified_slots[myroot] = myslots
+				final_db = self.mydbapi[myroot]
+				for mycpv, mynode in self.pkg_node_map[myroot].iteritems():
+					mytype, myroot, mycpv, mystatus = mynode
+					if mystatus == "merge":
+						slot_atom = "%s:%s" % (portage.dep_getkey(mycpv),
+							final_db.aux_get(mycpv, ["SLOT"])[0])
+						modified_slots[myroot][slot_atom] = mycpv
+
 		for blocker in self.blocker_parents.keys():
 			mytype, myroot, mydep = blocker
 			initial_db = self.trees[myroot]["vartree"].dbapi
@@ -1544,6 +1557,7 @@ class depgraph:
 				pdbapi = self.trees[proot][self.pkg_tree_map[ptype]].dbapi
 				pslot = pdbapi.aux_get(pcpv, ["SLOT"])[0]
 				pslot_atom = "%s:%s" % (portage.dep_getkey(pcpv), pslot)
+				parent_static = pslot_atom not in modified_slots[proot]
 				unresolved_blocks = False
 				depends_on_order = set()
 				for cpv in blocked_initial:
@@ -1554,6 +1568,11 @@ class depgraph:
 						# node matters.  In any case, this particular block is
 						# automatically resolved.
 						continue
+					if parent_static and \
+						slot_atom not in modified_slots[myroot]:
+						# This blocker will be handled the next time that a
+						# merge of either package is triggered.
+						continue
 					if pstatus == "merge" and \
 						slot_atom not in blocked_slots_final.values():
 						upgrade_matches = final_db.match(slot_atom)
@@ -1573,6 +1592,11 @@ class depgraph:
 						# The parent blocks itself, so the merge order does not
 						# need to be enforced.
 						continue
+					if parent_static and \
+						slot_atom not in modified_slots[myroot]:
+						# This blocker will be handled the next time that a
+						# merge of either package is triggered.
+						continue
 					# None of the above blocker resolutions techniques apply,
 					# so apparently this one is unresolvable.
 					unresolved_blocks = True
-- 
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