Rename portage._sync_disabled_warnings to portage._sync_mode.
diff --git a/pym/_emerge/actions.py b/pym/_emerge/actions.py
index 9bb4774..c401d39 100644
--- a/pym/_emerge/actions.py
+++ b/pym/_emerge/actions.py
@@ -1,4 +1,4 @@
-# Copyright 1999-2013 Gentoo Foundation
+# Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 from __future__ import print_function, unicode_literals
@@ -2073,7 +2073,7 @@
 				return returncode
 
 	# Reload the whole config from scratch.
-	portage._sync_disabled_warnings = False
+	portage._sync_mode = False
 	load_emerge_config(emerge_config=emerge_config)
 	adjust_configs(emerge_config.opts, emerge_config.trees)
 
diff --git a/pym/_emerge/main.py b/pym/_emerge/main.py
index 89413a9..da223a6 100644
--- a/pym/_emerge/main.py
+++ b/pym/_emerge/main.py
@@ -1,4 +1,4 @@
-# Copyright 1999-2013 Gentoo Foundation
+# Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 from __future__ import print_function
@@ -1011,7 +1011,7 @@
 	# Portage needs to ensure a sane umask for the files it creates.
 	os.umask(0o22)
 	if myaction == "sync":
-		portage._sync_disabled_warnings = True
+		portage._sync_mode = True
 	emerge_config = load_emerge_config(
 		action=myaction, args=myfiles, opts=myopts)
 	rval = profile_check(emerge_config.trees, emerge_config.action)
diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index 75d0d64..4c0d9ca 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -1,5 +1,4 @@
-# portage.py -- core Portage functionality
-# Copyright 1998-2013 Gentoo Foundation
+# Copyright 1998-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 from __future__ import unicode_literals
@@ -373,7 +372,7 @@
 # Api consumers included in portage should set this to True.
 _internal_caller = False
 
-_sync_disabled_warnings = False
+_sync_mode = False
 
 def _get_stdin():
 	"""
diff --git a/pym/portage/package/ebuild/_config/LocationsManager.py b/pym/portage/package/ebuild/_config/LocationsManager.py
index 80b6a70..4427f1d 100644
--- a/pym/portage/package/ebuild/_config/LocationsManager.py
+++ b/pym/portage/package/ebuild/_config/LocationsManager.py
@@ -1,4 +1,4 @@
-# Copyright 2010-2013 Gentoo Foundation
+# Copyright 2010-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 from __future__ import unicode_literals
@@ -119,7 +119,7 @@
 				self._addProfile(os.path.realpath(self.profile_path),
 					repositories, known_repos)
 			except ParseError as e:
-				if not portage._sync_disabled_warnings:
+				if not portage._sync_mode:
 					writemsg(_("!!! Unable to parse profile: '%s'\n") % self.profile_path, noiselevel=-1)
 					writemsg("!!! ParseError: %s\n" % str(e), noiselevel=-1)
 				self.profiles = []
diff --git a/pym/portage/package/ebuild/config.py b/pym/portage/package/ebuild/config.py
index 92e6c3f..f5ef982 100644
--- a/pym/portage/package/ebuild/config.py
+++ b/pym/portage/package/ebuild/config.py
@@ -1,4 +1,4 @@
-# Copyright 2010-2013 Gentoo Foundation
+# Copyright 2010-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 from __future__ import unicode_literals
@@ -536,7 +536,7 @@
 			if portdir_overlay:
 				for ov in portdir_overlay:
 					ov = normalize_path(ov)
-					if isdir_raise_eaccess(ov) or portage._sync_disabled_warnings:
+					if isdir_raise_eaccess(ov) or portage._sync_mode:
 						new_ov.append(portage._shell_quote(ov))
 					else:
 						writemsg(_("!!! Invalid PORTDIR_OVERLAY"
@@ -1040,7 +1040,7 @@
 			else:
 				profile_broken = True
 
-		if profile_broken and not portage._sync_disabled_warnings:
+		if profile_broken and not portage._sync_mode:
 			abs_profile_path = None
 			for x in (PROFILE_PATH, 'etc/make.profile'):
 				x = os.path.join(self["PORTAGE_CONFIGROOT"], x)
diff --git a/pym/portage/repository/config.py b/pym/portage/repository/config.py
index b7ee34f..f89f098 100644
--- a/pym/portage/repository/config.py
+++ b/pym/portage/repository/config.py
@@ -169,7 +169,7 @@
 		location = repo_opts.get('location')
 		self.user_location = location
 		if location is not None and location.strip():
-			if os.path.isdir(location) or portage._sync_disabled_warnings:
+			if os.path.isdir(location) or portage._sync_mode:
 				location = os.path.realpath(location)
 		else:
 			location = None
@@ -187,7 +187,7 @@
 				# is empty (bug #484950).
 				if name is not None:
 					self.name = name
-				if portage._sync_disabled_warnings:
+				if portage._sync_mode:
 					missing = False
 
 		elif name == "DEFAULT":
@@ -493,7 +493,7 @@
 					prepos[repo.name] = repo
 				else:
 
-					if not portage._sync_disabled_warnings:
+					if not portage._sync_mode:
 						writemsg(_("!!! Invalid PORTDIR_OVERLAY (not a dir): '%s'\n") % ov, noiselevel=-1)
 
 		return portdir
@@ -647,7 +647,7 @@
 					del prepos[repo_name]
 					continue
 			else:
-				if not portage._sync_disabled_warnings:
+				if not portage._sync_mode:
 					if not isdir_raise_eaccess(repo.location):
 						writemsg_level("!!! %s\n" % _("Section '%s' in repos.conf has location attribute set "
 							"to nonexistent directory: '%s'") %
@@ -713,7 +713,7 @@
 				prepos['DEFAULT'].main_repo = main_repo
 			else:
 				prepos['DEFAULT'].main_repo = None
-				if portdir and not portage._sync_disabled_warnings:
+				if portdir and not portage._sync_mode:
 					writemsg(_("!!! main-repo not set in DEFAULT and PORTDIR is empty.\n"), noiselevel=-1)
 
 		if main_repo is not None and prepos[main_repo].priority is None:
@@ -826,7 +826,7 @@
 				continue
 
 			if repo._masters_orig is None and self.mainRepo() and \
-				repo.name != self.mainRepo().name and not portage._sync_disabled_warnings:
+				repo.name != self.mainRepo().name and not portage._sync_mode:
 				# TODO: Delete masters code in pym/portage/tests/resolver/ResolverPlayground.py when deleting this warning.
 				writemsg_level("!!! %s\n" % _("Repository '%s' is missing masters attribute in '%s'") %
 					(repo.name, os.path.join(repo.location, "metadata", "layout.conf")) +
@@ -880,7 +880,7 @@
 				if r.location is None:
 					writemsg(_("!!! Location not set for repository %s\n") % name, noiselevel=-1)
 				else:
-					if not isdir_raise_eaccess(r.location) and not portage._sync_disabled_warnings:
+					if not isdir_raise_eaccess(r.location) and not portage._sync_mode:
 						self.prepos_order.remove(name)
 						writemsg(_("!!! Invalid Repository Location"
 							" (not a dir): '%s'\n") % r.location, noiselevel=-1)