Add branchtags function with cache
- cache stores tipmost node and rev and node,label pairs
- if cache is out of date, scan new changesets
- write new cache out after scan
#!/bin/shecho 'syntax error' > badext.pyabspath=`pwd`/badext.pyecho '[extensions]' >> $HGRCPATHecho "badext = $abspath" >> $HGRCPATHhg -q help help