From 4ecd3597067cf059b72aa4ade156fc9905604357 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Tue, 29 Apr 2008 18:33:35 +0000
Subject: [PATCH] Make unmerge() group packages by cat/pn when the order
 doesn't matter, so the display appears like earlier versions of portage.
 (trunk r10037)

svn path=/main/branches/2.1.2/; revision=10038
---
 bin/emerge | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

diff --git a/bin/emerge b/bin/emerge
index e2c20582c..9753386ed 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -5706,7 +5706,7 @@ class MergeTask(object):
 		return os.EX_OK
 
 def unmerge(settings, myopts, vartree, unmerge_action, unmerge_files,
-	ldpath_mtimes, autoclean=0, clean_world=1):
+	ldpath_mtimes, autoclean=0, clean_world=1, ordered=0):
 	candidate_catpkgs=[]
 	global_unmerge=0
 	xterm_titles = "notitles" not in settings.features
@@ -5933,6 +5933,25 @@ def unmerge(settings, myopts, vartree, unmerge_action, unmerge_files,
 	finally:
 		if vdb_lock:
 			portage_locks.unlockdir(vdb_lock)
+
+	# Unmerge order only matters in some cases
+	if not ordered:
+		unordered = {}
+		for d in pkgmap:
+			selected = d["selected"]
+			if not selected:
+				continue
+			cp = portage.cpv_getkey(iter(selected).next())
+			cp_dict = unordered.get(cp)
+			if cp_dict is None:
+				cp_dict = {}
+				unordered[cp] = cp_dict
+				for k in d:
+					cp_dict[k] = set()
+			for k, v in d.iteritems():
+				cp_dict[k].update(v)
+		pkgmap = [unordered[cp] for cp in sorted(unordered)]
+
 	for x in xrange(len(pkgmap)):
 		selected = pkgmap[x]["selected"]
 		if not selected:
@@ -7449,11 +7468,12 @@ def action_depclean(settings, trees, ldpath_mtimes,
 						if cpv in clean_set:
 							graph.add(cpv, node, priority=priority)
 
+		ordered = True
 		if len(graph.order) == len(graph.root_nodes()):
 			# If there are no dependencies between packages
-			# then just unmerge them alphabetically.
-			cleanlist = graph.order[:]
-			cleanlist.sort()
+			# let unmerge() group them by cat/pn.
+			ordered = False
+			cleanlist = graph.all_nodes()
 		else:
 			# Order nodes from lowest to highest overall reference count for
 			# optimal root node selection.
@@ -7484,7 +7504,7 @@ def action_depclean(settings, trees, ldpath_mtimes,
 					cleanlist.append(node)
 
 		unmerge(settings, myopts, trees[settings["ROOT"]]["vartree"],
-			"unmerge", cleanlist, ldpath_mtimes)
+			"unmerge", cleanlist, ldpath_mtimes, ordered=ordered)
 
 	if action == "prune":
 		return
@@ -8369,8 +8389,11 @@ def emerge_main():
 		(myaction == "prune" and "--nodeps" in myopts):
 		validate_ebuild_environment(trees)
 		vartree = trees[settings["ROOT"]]["vartree"]
+		# When given a list of atoms, unmerge
+		# them in the order given.
+		ordered = myaction == "unmerge"
 		if 1 == unmerge(settings, myopts, vartree, myaction, myfiles,
-			mtimedb["ldpath"]):
+			mtimedb["ldpath"], ordered=ordered):
 			if not (buildpkgonly or fetchonly or pretend):
 				post_emerge(settings, mtimedb, 0)
 
-- 
2.26.2