Mercurial > hg

changeset 653:94cdd02792b5

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Fix corruption resulting from skipping parts of a revision group -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Fix corruption resulting from skipping parts of a revision group We were occassionally losing track of what revision a delta applied to when we skipped over deltas we already had and applying the delta against the wrong base. This could result in coredumps from mpatch, consistency errors, or failed verify. manifest hash: fcf20a8abfd81f08fae2398136b2ed66216b2083 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCzu5SywK+sNU5EO8RAi10AJ9cqIfQzOzbcdH36t1LR/rY+UMtHwCeM79p Dtv+Jh0McLZr6nf4iJyhDgI= =5o6U -----END PGP SIGNATURE-----
author Matt Mackall <mpm@selenic.com>
date Fri, 08 Jul 2005 13:21:22 -0800
parents a54a1c101a9a
children fafc16f705b6
files mercurial/revlog.py
diffstat 1 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/revlog.py	Fri Jul 08 00:14:47 2005 -0800
+++ b/mercurial/revlog.py	Fri Jul 08 13:21:22 2005 -0800
@@ -475,8 +475,8 @@
         t = r - 1
         node = nullid
 
-        base = prev = -1
-        start = end = 0
+        base = -1
+        start = end = measure = 0
         if r:
             start = self.start(self.base(t))
             end = self.end(t)
@@ -491,6 +491,7 @@
 
         # loop through our set of deltas
         chain = None
+        prev = self.tip()
         for chunk in revs:
             node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80])
             link = linkmapper(cs)
@@ -498,6 +499,7 @@
                 # this can happen if two branches make the same change
                 if unique:
                     raise "already have %s" % hex(node[:4])
+                chain = node
                 continue
             delta = chunk[80:]