# HG changeset patch
# User Jun Wu <qu...@fb.com>
# Date 1496457296 25200
# Fri Jun 02 19:34:56 2017 -0700
# Node ID d9ed7d0a4373b12c92055dd10718cffe96c98224
# Parent e1d6126ed614db6ec664c79afcb3a141c9a0dfa4
# Available At https://bitbucket.org/quark-zju/hg-draft
# hg pull https://bitbucket.org/quark-zju/hg-draft -r d9ed7d0a4373
obsstore: move marker version reading to a separate function
This allows us to read marker version without reading markers.
diff --git a/mercurial/obsolete.py b/mercurial/obsolete.py
--- a/mercurial/obsolete.py
+++ b/mercurial/obsolete.py
@@ -440,10 +440,12 @@ formats = {_fm0version: (_fm0readmarkers
_fm1version: (_fm1readmarkers, _fm1encodeonemarker)}
+def _readmarkerversion(data):
+ return _unpack('>B', data[0:1])[0]
+
@util.nogc
def _readmarkers(data):
"""Read and enumerate markers from raw data"""
- off = 0
- diskversion = _unpack('>B', data[off:off + 1])[0]
- off += 1
+ diskversion = _readmarkerversion(data)
+ off = 1
if diskversion not in formats:
msg = _('parsing obsolete marker: unknown version %r') % diskversion
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