From 563d3a0c4f08e7f9c485e8b776350e0fd62f238b Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Thu, 16 Aug 2007 06:39:55 +0000
Subject: Combine 2 locations in depgraph.create() where nodes are added to the
 digraph. This ensures that dependencies on "rebuild" nodes always have their
 priority increased. (trunk r7626:7628)

svn path=/main/branches/2.1.2/; revision=7629
---
 bin/emerge | 60 +++++++++++++++++++++++++-----------------------------------
 1 file changed, 25 insertions(+), 35 deletions(-)

diff --git a/bin/emerge b/bin/emerge
index 4282dc897..f9d381297 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -1245,6 +1245,11 @@ class depgraph:
 		#IUSE-aware emerge -> USE DEP aware depgraph
 		#"no downgrade" emerge
 		"""
+
+		# unused parameters
+		rev_dep = False
+		myuse = None
+
 		mytype, myroot, mykey = mybigkey
 
 		if mytype == "blocks":
@@ -1288,22 +1293,6 @@ class depgraph:
 					return 0
 				del e
 
-		existing_node = None
-		if addme:
-			existing_node = self.pkg_node_map[myroot].get(mykey)
-		if existing_node:
-			self._parent_child_digraph.add(existing_node, myparent)
-			if existing_node != myparent:
-				# Refuse to make a node depend on itself so that the we don't
-				# don't create a bogus circular dependency in self.altlist().
-				if rev_dep and myparent:
-					self.digraph.addnode(myparent, existing_node,
-						priority=priority)
-				else:
-					self.digraph.addnode(existing_node, myparent,
-						priority=priority)
-			return 1
-		
 		if "--nodeps" not in self.myopts:
 			self.spinner.update()
 
@@ -1355,6 +1344,19 @@ class depgraph:
 					mydbapi.aux_get(mykey, self._mydbapi_keys)))
 				myuse = metadata["USE"].split()
 			slot_atom = "%s:%s" % (portage.dep_getkey(mykey), metadata["SLOT"])
+			if merging and \
+				"empty" not in self.myparams and \
+				vardbapi.match(slot_atom):
+				# Increase the priority of dependencies on packages that
+				# are being rebuilt. This optimizes merge order so that
+				# dependencies are rebuilt/updated as soon as possible,
+				# which is needed especially when emerge is called by
+				# revdep-rebuild since dependencies may be affected by ABI
+				# breakage that has rendered them useless. Don't adjust
+				# priority here when in "empty" mode since all packages
+				# are being merged in that case.
+				priority.rebuild = True
+
 			existing_node = self._slot_node_map[myroot].get(
 				slot_atom, None)
 			slot_collision = False
@@ -1362,16 +1364,17 @@ class depgraph:
 				e_type, myroot, e_cpv, e_status = existing_node
 				if mykey == e_cpv:
 					# The existing node can be reused.
-					self._parent_child_digraph.add(existing_node, myparent)
-					if rev_dep and myparent:
-						ptype, proot, pkey, pstatus = myparent
-						self.digraph.addnode(myparent, existing_node,
-							priority=priority)
-					else:
+					if existing_node != myparent:
+						# Refuse to make a node depend on itself so that
+						# we don't create a bogus circular dependency
+						# in self.altlist().
+						self._parent_child_digraph.add(existing_node, myparent)
 						self.digraph.addnode(existing_node, myparent,
 							priority=priority)
 					return 1
 				else:
+					if jbigkey in self._slot_collision_nodes:
+						return 1
 					# A slot collision has occurred.  Sometimes this coincides
 					# with unresolvable blockers, so the slot collision will be
 					# shown later if there are no unresolvable blockers.
@@ -1404,19 +1407,6 @@ class depgraph:
 				if reinstall_for_flags:
 					self._reinstall_nodes[jbigkey] = reinstall_for_flags
 
-			if merging and \
-				"empty" not in self.myparams and \
-				vardbapi.match(slot_atom):
-				# Increase the priority of dependencies on packages that
-				# are being rebuilt. This optimizes merge order so that
-				# dependencies are rebuilt/updated as soon as possible,
-				# which is needed especially when emerge is called by
-				# revdep-rebuild since dependencies may be affected by ABI
-				# breakage that has rendered them useless. Don't adjust
-				# priority here when in "empty" mode since all packages
-				# are being merged in that case.
-				priority.rebuild = True
-
 			if rev_dep and myparent:
 				self.digraph.addnode(myparent, jbigkey,
 					priority=priority)
-- 
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