view tests/test-revlog-raw.py.out @ 46296:eec8899407f4

shelve: also create class representing whole directory of shelves

It's a little annoying to have to create and pass in a vfs into
`listshelves()`. This patch attempts to start addressing that by
creating a class that represents a directory containing shelves (the
directory can be either `.hg/shelved/` or `.hg/shelve-backup/`).

Differential Revision: https://phab.mercurial-scm.org/D9743

local test passed
addgroupcopy test passed
clone test passed
lowlevelcopy test passed
slicing test passed
issnapshot test passed
findsnapshot test passed