clfilter: ensure that filecache on localrepo is unfiltered

clfilter: ensure that filecache on localrepo is unfiltered

All filecache usage on repo is for logic that should be unfiltered. The
caches should be common to all filtered instances, and computation must
be done unfiltered.  A dedicated storecache subclass is created for
this purpose.

--- a/mercurial/bundlerepo.py	Mon Oct 08 20:02:20 2012 +0200
+++ b/mercurial/bundlerepo.py	Mon Oct 08 19:34:04 2012 +0200
@@ -214,7 +214,7 @@
         # dict with the mapping 'filename' -> position in the bundle
         self.bundlefilespos = {}
 
-    @util.propertycache
+    @localrepo.unfilteredpropertycache
     def changelog(self):
         # consume the header if it exists
         self.bundle.changelogheader()
@@ -222,7 +222,7 @@
         self.manstart = self.bundle.tell()
         return c
 
-    @util.propertycache
+    @localrepo.unfilteredpropertycache
     def manifest(self):
         self.bundle.seek(self.manstart)
         # consume the header if it exists
@@ -231,12 +231,12 @@
         self.filestart = self.bundle.tell()
         return m
 
-    @util.propertycache
+    @localrepo.unfilteredpropertycache
     def manstart(self):
         self.changelog
         return self.manstart
 
-    @util.propertycache
+    @localrepo.unfilteredpropertycache
     def filestart(self):
         self.manifest
         return self.filestart

--- a/mercurial/localrepo.py	Mon Oct 08 20:02:20 2012 +0200
+++ b/mercurial/localrepo.py	Mon Oct 08 19:34:04 2012 +0200
@@ -18,7 +18,18 @@
 propertycache = util.propertycache
 filecache = scmutil.filecache
 
-class storecache(filecache):
+class repofilecache(filecache):
+    """All filecache usage on repo are done for logic that should be unfiltered
+    """
+
+    def __get__(self, repo, type=None):
+        return super(repofilecache, self).__get__(repo.unfiltered(), type)
+    def __set__(self, repo, value):
+        return super(repofilecache, self).__set__(repo.unfiltered(), value)
+    def __delete__(self, repo):
+        return super(repofilecache, self).__delete__(repo.unfiltered())
+
+class storecache(repofilecache):
     """filecache for files in the store"""
     def join(self, obj, fname):
         return obj.sjoin(fname)
@@ -292,11 +303,11 @@
         Intended to be ovewritten by filtered repo."""
         return self
 
-    @filecache('bookmarks')
+    @repofilecache('bookmarks')
     def _bookmarks(self):
         return bookmarks.bmstore(self)
 
-    @filecache('bookmarks.current')
+    @repofilecache('bookmarks.current')
     def _bookmarkcurrent(self):
         return bookmarks.readcurrent(self)
 
@@ -355,7 +366,7 @@
     def manifest(self):
         return manifest.manifest(self.sopener)
 
-    @filecache('dirstate')
+    @repofilecache('dirstate')
     def dirstate(self):
         warned = [0]
         def validate(node):