bisect: fix traceback when command executable is not found

share: add experimental share extension

add helper function to create shared repos

repo: add internal support for sharing store directories set .hg/sharedpath to point to the .hg to share with

remoteui: properly create dst with copy()

repo: set up ui and extensions earlier

localrepo: remove 'closed' argument to heads(...) function - repository heads are not associated with the closed attribute, so remove it making the code in line with the concept. - Fix functions that were calling heads with the parameter. - Adjust webcommands.branches to include the concept of inactive as well as open and closed branches - Fix code and docstrings in commands to make the correct use of closed branches & branch heads clearer - Improve grammar of 'hg heads' help text (2nd submission) this does not alter the cli for hg branches, that work is still to be done

mq: eliminate warning on qpush with empty series Warning was "DeprecationWarning: use lock.release instead of del lock"

inotify: repowatcher: don't use a watches attribute to count watches The encapsulated watcher alread has a __len__ method for this purpose. Also, repowatcher.watches was never decremented on watch deletions.

inotify: put the "while True: poll()" loop in pollable class