diff -r e24793fae424 -r 1b734faab67a hgrepo.py
--- a/hgrepo.py	Tue Aug 11 19:12:30 2015 +0300
+++ b/hgrepo.py	Sun Aug 16 10:59:22 2015 +0300
@@ -32,30 +32,26 @@
 from configfile import Config
 
 class HgRepository (object):
-	def __init__ (self, reponame):
-		reponame = reponame.lower()
+	def __init__ (self, name):
+		name = name.lower()
 		repoconfig = Config.get_node ('hg').get_node ('repos')
-		repoinfo = repoconfig.get_node (reponame)
+		repoinfo = repoconfig.get_node (name)
 
 		if not repoinfo:
-			raise ValueError ('Unknown repository "%s"' % reponame)
+			raise ValueError ('Unknown repository "%s"' % name)
 
-		self.name = reponame
+		self.name = name
 		self.published = not bool (repoinfo.get_value ('extrarepo', default=False))
 		self.url = repoinfo.get_value ('url')
 		self.version = repoinfo.get_value ('version', default='')
 		self.color = int (repoinfo.get_value ('colorcode', default=0))
 
 		if not self.url:
-			raise ValueError ('Repository %s has no url!' % reponame)
+			raise ValueError ('Repository %s has no url!' % name)
 
 	def hg (self, *args):
 		output = subprocess.check_output (['hg', '--cwd', self.name] + list (args))
-
-		if sys.version_info >= (3, 0):
-			output = output.decode ('utf-8', 'ignore')
-
-		return output
+		return output.decode ('utf-8', 'ignore')
 
 	def is_valid (self):
 		return os.path.isdir (os.path.join (self.name, '.hg'))
@@ -74,14 +70,17 @@
 		return result
 
 	def get_commit_data (self, rev, **kvargs):
-		if not kvargs:
-			raise ValueError ('template arguments must be provided')
+		try:
+			if not kvargs:
+				raise ValueError ('template arguments must be provided')
 
-		separator = '^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^'
-		template = self.split_template (kvargs, separator)
-		data = self.hg ('log', '--limit', '1', '--rev', rev, '--template', template)
-		data = data.split (separator)
-		return self.merge_template (data, kvargs)
+			separator = '^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^'
+			template = self.split_template (kvargs, separator)
+			data = self.hg ('log', '--limit', '1', '--rev', rev, '--template', template)
+			data = data.split (separator)
+			return self.merge_template (data, kvargs)
+		except subprocess.CalledProcessError:
+			raise ValueError ('''couldn't find changeset %s in %s''' % (node, repo.name))
 
 	def incoming (self, maxcommits=0, **kvargs):
 		if not kvargs:
@@ -105,6 +104,6 @@
 		except subprocess.CalledProcessError:
 			return []
 
-	def clone():
-		print ('Cloning %s...' % repo.name)
-		subprocess.call (['hg', 'clone', repo.url, repo.name])
\ No newline at end of file
+	def clone (self):
+		print ('Cloning %s from %s...' % (self.name, self.url))
+		subprocess.call (['hg', 'clone', self.url, self.name])
\ No newline at end of file