From d4d3ff3cdf0b48d9f1656c8ebed277ee1a3c3f2a Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 15 Aug 2007 01:38:43 +0000
Subject: For bug #188782, dependencies on packages specified as arguments are
 given higher priority since the currently installed version has been rendered
 useless by ABI breakage. It's okay to increase the priority here even if the
 caller is not revdep-rebuild. (trunk r7604)

svn path=/main/branches/2.1.2/; revision=7605
---
 bin/emerge | 63 ++++++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 39 insertions(+), 24 deletions(-)

diff --git a/bin/emerge b/bin/emerge
index 448608196..3207793a8 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -778,11 +778,11 @@ class DepPriority(object):
 		SOFT     The upper boundary for soft dependencies.
 		MIN      The lower boundary for soft dependencies.
 	"""
-	__slots__ = ("__weakref__", "satisfied", "buildtime", "runtime", "runtime_post")
+	__slots__ = ("__weakref__", "satisfied", "buildtime", "runtime", "runtime_post", "rebuild")
 	MEDIUM = -1
 	MEDIUM_SOFT = -2
 	SOFT   = -3
-	MIN    = -5
+	MIN    = -6
 	def __init__(self, **kwargs):
 		for myattr in self.__slots__:
 			if myattr == "__weakref__":
@@ -797,13 +797,15 @@ class DepPriority(object):
 				return -1
 			if self.runtime_post:
 				return -2
-		if self.buildtime:
+		if self.rebuild:
 			return -3
-		if self.runtime:
+		if self.buildtime:
 			return -4
-		if self.runtime_post:
+		if self.runtime:
 			return -5
-		return -5
+		if self.runtime_post:
+			return -6
+		return -6
 	def __lt__(self, other):
 		return self.__int__() < other
 	def __le__(self, other):
@@ -1244,24 +1246,7 @@ class depgraph:
 		#"no downgrade" emerge
 		"""
 		mytype, myroot, mykey = mybigkey
-		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()
+
 		if mytype == "blocks":
 			if myparent and \
 				"--buildpkgonly" not in self.myopts and \
@@ -1303,6 +1288,36 @@ class depgraph:
 					return 0
 				del e
 
+		# normal arg, not system or world
+		if arg and len(self._sets) == 1 and \
+			"selective" not in self.myparams:
+			# For revdep-rebuild, dependencies on packages specified as
+			# arguments are given higher priority since the currently
+			# installed version has been rendered useless by ABI breakage.
+			# It's okay to increase the priority here even if the caller
+			# is not revdep-rebuild.
+			if priority.satisfied:
+				priority.rebuild = True
+
+		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()
+
 		reinstall_for_flags = None
 		merging=1
 		if mytype == "installed":
-- 
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