[PATCH 14 of 22] vfs: use 'vfs' module directly in 'hgext.shelve'

[Pierre-Yves David]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at ens-lyon.org>
# Date 1488457892 -3600
#      Thu Mar 02 13:31:32 2017 +0100
# Node ID 8810c5318e8ff7b7cce4fb339e71b11ab05963f1
# Parent  1e7bd49c3b75b4a4ffaacc21f545394f7af52f73
# EXP-Topic vfs.cleanup
# Available At https://www.mercurial-scm.org/repo/users/marmoute/mercurial/
#              hg pull https://www.mercurial-scm.org/repo/users/marmoute/mercurial/ -r 8810c5318e8f
vfs: use 'vfs' module directly in 'hgext.shelve'

Now that the 'vfs' classes moved in their own module, lets use the new module
directly. We update code iteratively to help with possible bisect needs in the
future.

diff --git a/hgext/shelve.py b/hgext/shelve.py
--- a/hgext/shelve.py
+++ b/hgext/shelve.py
@@ -46,6 +46,7 @@ from mercurial import (
     scmutil,
     templatefilters,
     util,
+    vfs as vfsmod,
 )
 
 from . import (
@@ -78,8 +79,8 @@ class shelvedfile(object):
     def __init__(self, repo, name, filetype=None):
         self.repo = repo
         self.name = name
-        self.vfs = scmutil.vfs(repo.join(shelvedir))
-        self.backupvfs = scmutil.vfs(repo.join(backupdir))
+        self.vfs = vfsmod.vfs(repo.join(shelvedir))
+        self.backupvfs = vfsmod.vfs(repo.join(backupdir))
         self.ui = self.repo.ui
         if filetype:
             self.fname = name + '.' + filetype
@@ -220,7 +221,7 @@ class shelvedstate(object):
         util.unlinkpath(repo.join(cls._filename), ignoremissing=True)
 
 def cleanupoldbackups(repo):
-    vfs = scmutil.vfs(repo.join(backupdir))
+    vfs = vfsmod.vfs(repo.join(backupdir))
     maxbackups = repo.ui.configint('shelve', 'maxbackups', 10)
     hgfiles = [f for f in vfs.listdir()
                if f.endswith('.' + patchextension)]