[PATCH 1 of 6] localrepo: add auditor attribute which knows about subrepos

[Martin Geisler]

# HG changeset patch
# User Martin Geisler <mg at lazybytes.net>
# Date 1283205545 -7200
# Node ID 2075384560dc39a9ffa340473a9abd2abda57a96
# Parent  cd895084a4cd80abd241060705090aa7c3d9f39a
localrepo: add auditor attribute which knows about subrepos

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -28,6 +28,7 @@
         self.root = os.path.realpath(util.expandpath(path))
         self.path = os.path.join(self.root, ".hg")
         self.origroot = path
+        self.auditor = util.path_auditor(self.root, self._checknested)
         self.opener = util.opener(self.path)
         self.wopener = util.opener(self.root)
         self.baseui = baseui
@@ -111,6 +112,15 @@
         self._datafilters = {}
         self._transref = self._lockref = self._wlockref = None
 
+    def _checknested(self, path):
+        """Determine if path is a legal nested repository."""
+        # XXX: which revision to use?
+        ctx = self['.']
+        if not path.startswith(self.root):
+            return False
+        sub = path[len(self.root) + 1:]
+        return sub in ctx.substate
+
     @propertycache
     def changelog(self):
         c = changelog.changelog(self.sopener)