From b3c784d8337857ebfabdde854cff263ac8505135 Mon Sep 17 00:00:00 2001
From: Arun Raghavan <ford_prefect@gentoo.org>
Date: Sun, 28 Dec 2008 00:04:38 +0530
Subject: Add support for gentoo-portage

Needed to change get_lag() to take a url instead of a path relative
to self.url so that the rsync based checkers can just pass it a
'file://' type URL.
---
 check.py | 42 ++++++++++++++++++++++++++++++++++++------
 1 file changed, 36 insertions(+), 6 deletions(-)

diff --git a/check.py b/check.py
index df71db3..3c81eeb 100644
--- a/check.py
+++ b/check.py
@@ -5,6 +5,9 @@ import urllib2
 import time
 import rfc822
 import re
+import tempfile
+import subprocess
+import os
 
 class GardCheck:
 	# Base class which provides some helper functions
@@ -34,6 +37,18 @@ class GardCheck:
 
 		return ret
 
+	# Gets a file over rsync and puts it in a temporary directory,
+	# if specified
+	def get_file_rsync(self, path, dir='.'):
+		target = '%s::%s' % (self.url, path)
+
+		retcode = subprocess.call(['rsync', '-aqP', '--no-motd', 
+					'--contimeout=30', target, dir])
+		if retcode > 0:
+			logging.error('return value of rsync during \
+				gentoo-portage check was ' + str(retcode))
+			return None
+
 	# Takes the URL to a timestamp.{chk|x} file and returns the
 	# corresponding time stamp in seconds
 	def _get_timestamp_from_url(self, url):
@@ -55,8 +70,8 @@ class GardCheck:
 
 		return ts
 
-	def get_lag(self, path):
-		ts = self._get_timestamp_from_url(self.url + path)
+	def get_lag(self, url):
+		ts = self._get_timestamp_from_url(url)
 		now = time.mktime(time.gmtime())
 		if ts is None or now < ts:
 			return None
@@ -97,26 +112,27 @@ class GardCheck:
 # Check distfiles mirrors
 class DistfilesCheck(GardCheck):
 	def lag(self):
+		
 		path = '/distfiles/timestamp.chk'
-		return self.get_lag(path)
+		return self.get_lag(self.url + path)
 
 # Check experimental mirrors
 class ExperimentalCheck(GardCheck):
 	def lag(self):
 		path = '/experimental/.timestamp-experimental.x'
-		return self.get_lag(path)
+		return self.get_lag(self.url + path)
 
 # Check snapshot mirrors
 class SnapshotsCheck(GardCheck):
 	def lag(self):
 		path = '/snapshots/.timestamp-snapshots.x'
-		return self.get_lag(path)
+		return self.get_lag(self.url + path)
 
 # Check releases mirrors
 class ReleasesCheck(GardCheck):
 	def lag(self):
 		path = '/releases/.test/timestamp.x'
-		return self.get_lag(path)
+		return self.get_lag(self.url + path)
 
 	def check(self, maxlag):
 		# Call the superclass first if exists
@@ -132,3 +148,17 @@ class ReleasesCheck(GardCheck):
 
 		return ret
 
+class PortageCheck(GardCheck):
+	def lag(self):
+		file = 'timestamp.chk'
+		path = 'gentoo-portage/metadata/' + file
+
+		self.get_file_rsync(path)
+
+		# This is Linux-specific, but who's going to run this on
+		# Windows anyway? :D
+		url = 'file://%s/%s' % (os.path.abspath(''), file)
+		lag = self.get_lag(url)
+
+		os.remove(file)
+		return lag
-- 
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