hg: update to use vfs functions in shared destination repository

This patch uses destvfs with base as .hg directory in shared destination
repository to update filesystem function with vfs. Some methods are changed to
use vfs functions with destvfs.

branch 'default' HG: bookmark '@' HG: changed mercurial/hg.py

mercurial/hg.py

@@ -175,13 +175,14 b' def share(ui, source, dest=None, update='
     root = os.path.realpath(dest)
     roothg = os.path.join(root, '.hg')
     destwvfs = scmutil.vfs(dest, realpath=True)
+    destvfs = scmutil.vfs(os.path.join(destwvfs.base, '.hg'), realpath=True)
 
-    if os.path.exists(roothg):
+    if destvfs.lexists():
         raise util.Abort(_('destination already exists'))
 
     if not destwvfs.isdir():
         destwvfs.mkdir()
-    util.makedir(roothg, notindexed=True)
+    destvfs.makedir()
 
     requirements = ''
     try: