# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 1489297759 18000
# Node ID 279430eeefdb76edcbe1f219f5ebb2c274802b71
# Parent  2a18e9e6ca439d08e305769b1f1de841aad7fc13
branchmap: don't use buffer() on Python 3

This is certainly slower than the Python 2 code, but it works, and we
can revisit it later if it's a problem.

diff -r 2a18e9e6ca43 -r 279430eeefdb mercurial/branchmap.py
--- a/mercurial/branchmap.py	Sun Mar 12 03:32:21 2017 -0400
+++ b/mercurial/branchmap.py	Sun Mar 12 00:49:19 2017 -0500
@@ -409,7 +409,7 @@
         # fast path: extract data from cache, use it if node is matching
         reponode = changelog.node(rev)[:_rbcnodelen]
         cachenode, branchidx = unpack(
-            _rbcrecfmt, buffer(self._rbcrevs, rbcrevidx, _rbcrecsize))
+            _rbcrecfmt, util.buffer(self._rbcrevs, rbcrevidx, _rbcrecsize))
         close = bool(branchidx & _rbccloseflag)
         if close:
             branchidx &= _rbcbranchidxmask