Patchwork D7846: nodemap: all check that revision and nodes match in the nodemap

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Submitter phabricator
Date Feb. 11, 2020, 1:25 a.m.
Message ID <624e55155b724826f81855e99784ede7@localhost.localdomain>
Download mbox | patch
Permalink /patch/45131/
State Not Applicable
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phabricator - Feb. 11, 2020, 1:25 a.m.
Closed by commit rHGd58206b70199: nodemap: all check that revision and nodes match in the nodemap (authored by marmoute).
This revision was automatically updated to reflect the committed changes.
This revision was not accepted when it landed; it landed in state "Needs Review".

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D7846?vs=19894&id=20114

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7846/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7846

AFFECTED FILES
  mercurial/revlogutils/nodemap.py

CHANGE DETAILS




To: marmoute, #hg-reviewers
Cc: mercurial-devel

Patch

diff --git a/mercurial/revlogutils/nodemap.py b/mercurial/revlogutils/nodemap.py
--- a/mercurial/revlogutils/nodemap.py
+++ b/mercurial/revlogutils/nodemap.py
@@ -356,6 +356,19 @@ 
             ret = 1
         else:
             all_revs.remove(r)
+        nm_rev = _find_node(root, nodemod.hex(index[r][7]))
+        if nm_rev is None:
+            msg = b"  revision node does not match any entries: %d\n" % r
+            ui.write_err(msg)
+            ret = 1
+        elif nm_rev != r:
+            msg = (
+                b"  revision node does not match the expected revision: "
+                b"%d != %d\n" % (r, nm_rev)
+            )
+            ui.write_err(msg)
+            ret = 1
+
     if all_revs:
         for r in sorted(all_revs):
             msg = b"  extra revision in  nodemap: %d\n" % r
@@ -371,3 +384,11 @@ 
             if v is None or isinstance(v, Block):
                 continue
             yield v
+
+
+def _find_node(block, node):
+    """find the revision associated with a given node"""
+    entry = block.get(_to_int(node[0:1]))
+    if isinstance(entry, dict):
+        return _find_node(entry, node[1:])
+    return entry