Patchwork D4020: pure: create type for revlog v0 index

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Submitter phabricator
Date Aug. 4, 2018, 4:06 a.m.
Message ID <cd114dae6ae61b19d328b7d6b113a586@localhost.localdomain>
Download mbox | patch
Permalink /patch/33215/
State Not Applicable
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phabricator - Aug. 4, 2018, 4:06 a.m.
This revision was automatically updated to reflect the committed changes.
Closed by commit rHGda5a666f0f78: pure: create type for revlog v0 index (authored by martinvonz, committed by ).

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D4020?vs=9779&id=9883

REVISION DETAIL
  https://phab.mercurial-scm.org/D4020

AFFECTED FILES
  mercurial/revlog.py

CHANGE DETAILS




To: martinvonz, indygreg, #hg-reviewers
Cc: yuja, mercurial-devel

Patch

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -790,6 +790,14 @@ 
 indexformatv0_pack = indexformatv0.pack
 indexformatv0_unpack = indexformatv0.unpack
 
+class revlogoldindex(list):
+    def __len__(self):
+        return list.__len__(self) + 1
+    def __getitem__(self, i):
+        if i == -1 or i == len(self) - 1:
+            return (0, 0, 0, -1, -1, -1, -1, nullid)
+        return list.__getitem__(self, i)
+
 class revlogoldio(object):
     def __init__(self):
         self.size = indexformatv0.size
@@ -811,10 +819,7 @@ 
             nodemap[e[6]] = n
             n += 1
 
-        # add the magic null revision at -1
-        index.append((0, 0, 0, -1, -1, -1, -1, nullid))
-
-        return index, nodemap, None
+        return revlogoldindex(index), nodemap, None
 
     def packentry(self, entry, node, version, rev):
         if gettype(entry[0]):