# HG changeset patch
# User Boris Feld <boris.feld@octobus.net>
# Date 2017-07-15 21:05:15
# Node ID 54b36d3ff7f6cf9d5081b6e205f992cc325be8d6
# Parent  709dde1c5dd583a11f8a57ccd7f424be1822e3a9

cachevfs: add a devel warning for cache access though 'vfs'

This will help third party extensions to migrate to the new 'cachevfs'.

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -487,6 +487,9 @@ class localrepository(object):
             if path.startswith(repo.path):
                 # truncate name relative to the repository (.hg)
                 path = path[len(repo.path) + 1:]
+            if path.startswith('cache/'):
+                msg = 'accessing cache with vfs instead of cachevfs: "%s"'
+                repo.ui.develwarn(msg % path, stacklevel=2, config="cache-vfs")
             if path.startswith('journal.'):
                 # journal is covered by 'lock'
                 if repo._currentlock(repo._lockref) is None: