From 29036c4bfc548426b85bae0ab7f373e986aca9fe Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 21 Sep 2008 16:53:31 +0000
Subject: Add a new --list-sets action, as requested by jmbsvicetto.

svn path=/main/trunk/; revision=11531
---
 pym/_emerge/__init__.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

(limited to 'pym/_emerge/__init__.py')

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 6cfe7eb66..b0d675594 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -197,12 +197,12 @@ def userquery(prompt, responses=None, colours=None):
 		print "Interrupted."
 		sys.exit(1)
 
-actions=[
+actions = frozenset([
 "clean", "config", "depclean",
-"info", "metadata",
+"info", "list-sets", "metadata",
 "prune", "regen",  "search",
 "sync",  "unmerge",
-]
+])
 options=[
 "--ask",          "--alphabetical",
 "--buildpkg",     "--buildpkgonly",
@@ -13518,10 +13518,15 @@ def emerge_main():
 			print colorize("BAD", "\n*** emerging by path is broken and may not always work!!!\n")
 			break
 
+	root_config = trees[settings["ROOT"]]["root_config"]
+	if myaction == "list-sets":
+		sys.stdout.write("".join("%s\n" % s for s in sorted(root_config.sets)))
+		sys.stdout.flush()
+		return os.EX_OK
+
 	# only expand sets for actions taking package arguments
 	oldargs = myfiles[:]
 	if myaction in ("clean", "config", "depclean", "info", "prune", "unmerge", None):
-		root_config = trees[settings["ROOT"]]["root_config"]
 		setconfig = root_config.setconfig
 		# display errors that occured while loading the SetConfig instance
 		for e in setconfig.errors:
@@ -13763,8 +13768,6 @@ def emerge_main():
 				"not support '--pretend'.\n") % myaction)
 			return 1
 
-	root_config = trees[settings["ROOT"]]["root_config"]
-
 	if "sync" == myaction:
 		return action_sync(settings, trees, mtimedb, myopts, myaction)
 	elif "metadata" == myaction:
-- 
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