From 5cd5b5b22aed7e0443cea18d3ea373aaaec021f2 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 30 Aug 2010 16:15:12 -0700
Subject: When _ENABLE_SET_CONFIG is False, disable reading/writing of the
 world_sets file in WorldSelectedSet.

---
 pym/portage/_sets/files.py | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'pym')

diff --git a/pym/portage/_sets/files.py b/pym/portage/_sets/files.py
index 8116d07cd..e880c1eff 100644
--- a/pym/portage/_sets/files.py
+++ b/pym/portage/_sets/files.py
@@ -11,6 +11,7 @@ from portage import _unicode_decode
 from portage import _unicode_encode
 from portage.util import grabfile, write_atomic, ensure_dirs, normalize_path
 from portage.const import USER_CONFIG_PATH, WORLD_FILE, WORLD_SETS_FILE
+from portage.const import _ENABLE_SET_CONFIG
 from portage.localization import _
 from portage.locks import lockfile, unlockfile
 from portage import portage_gid
@@ -229,8 +230,11 @@ class WorldSelectedSet(EditablePackageSet):
 	def write(self):
 		write_atomic(self._filename,
 			"".join(sorted("%s\n" % x for x in self._atoms)))
-		write_atomic(self._filename2, "\n".join(sorted(self._nonatoms))+"\n")
-	
+
+		if _ENABLE_SET_CONFIG:
+			write_atomic(self._filename2,
+				"".join(sorted("%s\n" % x for x in self._nonatoms)))
+
 	def load(self):
 		atoms = []
 		nonatoms = []
@@ -258,6 +262,16 @@ class WorldSelectedSet(EditablePackageSet):
 			atoms_changed = True
 		else:
 			atoms.extend(self._atoms)
+
+		if _ENABLE_SET_CONFIG:
+			changed2, nonatoms = self._load2()
+			atoms_changed |= changed2
+
+		if atoms_changed:
+			self._setAtoms(atoms+nonatoms)
+
+	def _load2(self):
+		changed = False
 		try:
 			mtime = os.stat(self._filename2).st_mtime
 		except (OSError, IOError):
@@ -275,12 +289,12 @@ class WorldSelectedSet(EditablePackageSet):
 				data = {}
 			nonatoms = list(data)
 			self._mtime2 = mtime
-			atoms_changed = True
+			changed = True
 		else:
-			nonatoms.extend(self._nonatoms)
-		if atoms_changed:
-			self._setAtoms(atoms+nonatoms)
-		
+			nonatoms = self._nonatoms
+
+		return changed, nonatoms
+
 	def _ensure_dirs(self):
 		ensure_dirs(os.path.dirname(self._filename), gid=portage_gid, mode=0o2750, mask=0o2)
 
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