From 61262d1c27e372abb3dc9ba914b1640d2ba65a7f Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 7 Oct 2012 09:59:41 -0700
Subject: action_uninstall: use PollScheduler not Scheduler

The PollScheduler class suffices here, if we just add a small amount of
logic to calculate the _background attribute from the emerge opts.
---
 pym/_emerge/Scheduler.py |  6 +-----
 pym/_emerge/actions.py   | 29 +++++++++++++++--------------
 2 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py
index 1814344de..c5779cb9a 100644
--- a/pym/_emerge/Scheduler.py
+++ b/pym/_emerge/Scheduler.py
@@ -135,8 +135,7 @@ class Scheduler(PollScheduler):
 			portage.exception.PortageException.__init__(self, value)
 
 	def __init__(self, settings, trees, mtimedb, myopts,
-		spinner, mergelist=None, favorites=None, graph_config=None,
-		uninstall_only=False):
+		spinner, mergelist=None, favorites=None, graph_config=None):
 		PollScheduler.__init__(self, main=True)
 
 		if mergelist is not None:
@@ -152,7 +151,6 @@ class Scheduler(PollScheduler):
 		self._spinner = spinner
 		self._mtimedb = mtimedb
 		self._favorites = favorites
-		self._uninstall_only = uninstall_only
 		self._args_set = InternalPackageSet(favorites, allow_repo=True)
 		self._build_opts = self._build_opts_class()
 
@@ -327,8 +325,6 @@ class Scheduler(PollScheduler):
 		ignore_built_slot_operator_deps = self.myopts.get(
 			"--ignore-built-slot-operator-deps", "n") == "y"
 		for root in self.trees:
-			if self._uninstall_only:
-				continue
 			if graph_config is None:
 				fake_vartree = FakeVartree(self.trees[root]["root_config"],
 					pkg_cache=self._pkg_cache, dynamic_deps=dynamic_deps,
diff --git a/pym/_emerge/actions.py b/pym/_emerge/actions.py
index c384dd479..2707d22c1 100644
--- a/pym/_emerge/actions.py
+++ b/pym/_emerge/actions.py
@@ -61,6 +61,7 @@ from _emerge.emergelog import emergelog
 from _emerge.is_valid_package_atom import is_valid_package_atom
 from _emerge.MetadataRegen import MetadataRegen
 from _emerge.Package import Package
+from _emerge.PollScheduler import PollScheduler
 from _emerge.ProgressHandler import ProgressHandler
 from _emerge.RootConfig import RootConfig
 from _emerge.Scheduler import Scheduler
@@ -2680,20 +2681,19 @@ def action_uninstall(settings, trees, ldpath_mtimes,
 	if action == 'deselect':
 		return action_deselect(settings, trees, opts, valid_atoms)
 
-	# Create a Scheduler for calls to unmerge(), in order to cause
-	# redirection of ebuild phase output to logs as required for
-	# options such as --quiet.
-	sched = Scheduler(settings, trees, None, opts,
-		spinner, uninstall_only=True)
-	sched._background = sched._background_mode()
-	sched._status_display.quiet = True
+	# Use the same logic as the Scheduler class to trigger redirection
+	# of ebuild pkg_prerm/postrm phase output to logs as appropriate
+	# for options such as --jobs, --quiet and --quiet-build.
+	sched = PollScheduler(main=True)
+	max_jobs = opts.get("--jobs", 1)
+	sched._background = (max_jobs is True or max_jobs > 1 or
+		"--quiet" in opts or opts.get("--quiet-build") == "y")
 
 	if sched._background:
-		sched.settings.unlock()
-		sched.settings["PORTAGE_BACKGROUND"] = "1"
-		sched.settings.backup_changes("PORTAGE_BACKGROUND")
-		sched.settings.lock()
-		sched.pkgsettings[eroot] = portage.config(clone=sched.settings)
+		settings.unlock()
+		settings["PORTAGE_BACKGROUND"] = "1"
+		settings.backup_changes("PORTAGE_BACKGROUND")
+		settings.lock()
 
 	if action in ('clean', 'unmerge') or \
 		(action == 'prune' and "--nodeps" in opts):
@@ -2701,10 +2701,11 @@ def action_uninstall(settings, trees, ldpath_mtimes,
 		ordered = action == 'unmerge'
 		rval = unmerge(trees[settings['EROOT']]['root_config'], opts, action,
 			valid_atoms, ldpath_mtimes, ordered=ordered,
-			scheduler=sched._sched_iface)
+			scheduler=sched.sched_iface)
 	else:
 		rval = action_depclean(settings, trees, ldpath_mtimes,
-			opts, action, valid_atoms, spinner, scheduler=sched._sched_iface)
+			opts, action, valid_atoms, spinner,
+			scheduler=sched.sched_iface)
 
 	return rval
 
-- 
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