From 7a33618e8189384861b412176a3ddbef240b6777 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Fri, 2 Apr 2010 10:22:38 -0700
Subject: Handle missing $PORTDIR/metadata/herds.xml. Thanks to Arfrever for
 reporting.

---
 bin/repoman              |  9 ++++++---
 pym/repoman/herdbase.py  | 12 ++++++++++--
 pym/repoman/utilities.py |  3 ++-
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/bin/repoman b/bin/repoman
index ffc4c948b..a76bc8de5 100755
--- a/bin/repoman
+++ b/bin/repoman
@@ -68,10 +68,9 @@ import portage.checksum
 import portage.const
 import portage.dep
 portage.dep._dep_check_strict = True
-import portage.exception
 from portage import cvstree, normalize_path
 from portage import util
-from portage.exception import ParseError
+from portage.exception import FileNotFound, ParseError, PermissionDenied
 from portage.manifest import Manifest
 from portage.process import find_binary, spawn
 from portage.output import bold, create_color_func, darkgreen, \
@@ -984,8 +983,12 @@ thirdpartymirrors = portage.flatten(list(repoman_settings.thirdpartymirrors().va
 
 try:
 	herd_base = make_herd_base(os.path.join(repoman_settings["PORTDIR"], "metadata/herds.xml"))
-except (EnvironmentError, ParseError) as e:
+except (EnvironmentError, ParseError, PermissionDenied) as e:
 	err(str(e))
+except FileNotFound:
+	# TODO: Download as we do for metadata.dtd, but add a way to
+	# disable for non-gentoo repoman users who may not have herds.
+	herd_base = None
 
 for x in scanlist:
 	#ebuilds and digests added to cvs respectively.
diff --git a/pym/repoman/herdbase.py b/pym/repoman/herdbase.py
index 924839a61..6f92abfb8 100644
--- a/pym/repoman/herdbase.py
+++ b/pym/repoman/herdbase.py
@@ -3,9 +3,10 @@
 # Copyright 2010 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+import errno
 import xml.etree.ElementTree as ET
 from xml.parsers.expat import ExpatError
-from portage.exception import ParseError
+from portage.exception import FileNotFound, ParseError, PermissionDenied
 
 __all__ = [
 	"make_herd_base"
@@ -44,7 +45,14 @@ def make_herd_base(filename):
 		xml_tree = ET.parse(filename)
 	except ExpatError as e:
 		raise ParseError("metadata.xml: " + str(e))
-	
+	except EnvironmentError as e:
+		func_call = "open('%s')" % filename
+		if e.errno == errno.EACCES:
+			raise PermissionDenied(func_call)
+		elif e.errno == errno.ENOENT:
+			raise FileNotFound(filename)
+		raise
+
 	herds = xml_tree.findall('herd')
 	for h in herds:
 		_herd_name = h.find('name')
diff --git a/pym/repoman/utilities.py b/pym/repoman/utilities.py
index cd7f5ea87..719e910d7 100644
--- a/pym/repoman/utilities.py
+++ b/pym/repoman/utilities.py
@@ -176,7 +176,8 @@ def check_metadata(metadata_xml_content, herd_base):
 	except (ExpatError, ) as e:
 		raise exception.ParseError("metadata.xml: " + str(e))
 
-	check_metadata_herds(xml_tree, herd_base)
+	if herd_base is not None:
+		check_metadata_herds(xml_tree, herd_base)
 
 
 def FindPackagesToScan(settings, startdir, reposplit):
-- 
cgit v1.2.3-1-g7c22