From 7123514c5bda43457183326308dc14ded0d978d8 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 6 Nov 2006 19:05:22 +0000
Subject: For bug #154223, bridge new-style virtuals into old-style virtuals in
 order to prevent old-style virtuals from making new-style virtuals invisible.

svn path=/main/trunk/; revision=4955
---
 bin/emerge     | 13 +++++++++----
 pym/portage.py | 24 +++++++++++++++++++++++-
 2 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/bin/emerge b/bin/emerge
index e6db286ed..4cdab4b84 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -721,10 +721,15 @@ class depgraph:
 			self.edebug = 1
 		self.spinner = spinner
 		self.pkgsettings = {}
-		self.pkgsettings[self.target_root] = portage.config(clone=settings)
-		if self.target_root != "/":
-			self.pkgsettings["/"] = \
-				portage.config(clone=trees["/"]["vartree"].settings)
+		for myroot in self.trees:
+			self.pkgsettings[myroot] = portage.config(
+				clone=trees[myroot]["vartree"].settings)
+			mydbapis = []
+			if "--usepkgonly" not in self.myopts:
+				mydbapis.append(trees[myroot]["porttree"].dbapi)
+			if "--usepkg" in self.myopts:
+				mydbapis.append(trees[myroot]["bintree"].dbapi)
+			self.pkgsettings[myroot].add_new_virtuals(mydbapis)
 		self.useFlags = {}
 		self.useFlags[self.target_root] = {}
 		if self.target_root != "/":
diff --git a/pym/portage.py b/pym/portage.py
index d6c5ec0be..fd11dc22e 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -849,6 +849,7 @@ class config:
 		self.virtuals = {}
 		self.virts_p = {}
 		self.dirVirtuals = None
+		self._new_virtuals = {}
 		self.v_count  = 0
 
 		# Virtuals obtained from the vartree
@@ -914,6 +915,7 @@ class config:
 			self.prevmaskdict = copy.deepcopy(clone.prevmaskdict)
 			self.pprovideddict = copy.deepcopy(clone.pprovideddict)
 			self.dirVirtuals = copy.deepcopy(clone.dirVirtuals)
+			self._new_virtuals = copy.deepcopy(clone._new_virtuals)
 			self.treeVirtuals = copy.deepcopy(clone.treeVirtuals)
 			self.features = copy.deepcopy(clone.features)
 
@@ -1621,6 +1623,9 @@ class config:
 		virts = flatten(portage_dep.use_reduce(portage_dep.paren_reduce(provides), uselist=myuse.split()))
 
 		cp = dep_getkey(mycpv)
+		if cp.startswith("virtual/"):
+			# Bridge new-style virtual into old-style.
+			virts.append(cp)
 		for virt in virts:
 			virt = dep_getkey(virt)
 			if not self.treeVirtuals.has_key(virt):
@@ -1859,7 +1864,19 @@ class config:
 					ptVirtuals.setdefault(virt, [])
 					ptVirtuals[virt].append(cp)
 
-		return stack_dictlist([ptVirtuals, self.treeVirtuals, self.dirVirtuals])
+		return stack_dictlist([ptVirtuals, self.treeVirtuals, self.dirVirtuals,
+			self._new_virtuals])
+
+	def add_new_virtuals(self, mydbapis):
+		"""Scan for new-style virtuals and bridge them into the old-style."""
+		new_virtuals = {}
+		for mydbapi in mydbapis:
+			for cpv in mydbapi.cpv_all():
+				if cpv.startswith("virtual/"):
+					cp = dep_getkey(cpv)
+					new_virtuals[cp] = [cp]
+		self._new_virtuals = new_virtuals
+		self.virtuals = self.getvirtuals()
 
 	def __delitem__(self,mykey):
 		self.modifying()
@@ -4738,6 +4755,9 @@ class vartree(packagetree):
 					if not mys:
 						mys = string.split(myprovide, "/")
 					myprovides += [mys[0] + "/" + mys[1]]
+			if mycpv.startswith("virtual/"):
+				# Bridge new-style virtual into old-style.
+				myprovides.append(dep_getkey(mycpv))
 			return myprovides
 		except SystemExit, e:
 			raise
@@ -5318,6 +5338,8 @@ class portdbapi(dbapi):
 		l.sort()
 		return l
 
+	cpv_all = cp_all
+
 	def p_list(self,mycp):
 		d={}
 		for oroot in self.porttrees:
-- 
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