% hg debugsub with no remapping
path sub
 source   http://example.net/libfoo
 revision 
% hg debugsub with remapping
path sub
 source   ssh://localhost/libfoo
 revision 
% test bad subpaths pattern
abort: bad subrepository pattern in $HGTMP/test-subrepo-paths/outer/.hg/hgrc:2: invalid group reference