Add 'updateexternals' to synchronize externals with remote repo. To synchronize definitions in working copy .hgexternals with remote svn repository: $ hg svn updateexternals To synchronize them with .hgexternals at revision REV: $ hg svn updateexternals REV Last synchronized externals referenced are stored in .hg/svn/externals (a dump of the synchronized .hgexternals).

--- a/__init__.py
+++ b/__init__.py
@@ -26,6 +26,7 @@ import svncommands
 import tag_repo
 import util
 import wrappers
+import svnexternals
 
 def reposetup(ui, repo):
     if not util.is_svn_repo(repo):