# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2021-05-20 19:48:53
# Node ID 3f218413696dadef89a795d03a8aabc1174c269e
# Parent  5035d31e764bd2882860a688a95f1083a4df8e49

revlogv2: simplify and clarify the processing of each entry

As we add more entries and some of them has non trivial processing it seems
useful to make the processing leaner and clearly separated to simplify futures
patches.

Differential Revision: https://phab.mercurial-scm.org/D10773

diff --git a/mercurial/revlogutils/docket.py b/mercurial/revlogutils/docket.py
--- a/mercurial/revlogutils/docket.py
+++ b/mercurial/revlogutils/docket.py
@@ -238,18 +238,29 @@ def parse_docket(revlog, data, use_pendi
     """given some docket data return a docket object for the given revlog"""
     header = S_HEADER.unpack(data[: S_HEADER.size])
     offset = S_HEADER.size
-    version_header = header[0]
-    index_uuid_size = header[1]
+
+    iheader = iter(header)
+
+    version_header = next(iheader)
+
+    index_uuid_size = next(iheader)
     index_uuid = data[offset : offset + index_uuid_size]
     offset += index_uuid_size
-    data_uuid_size = header[2]
+
+    data_uuid_size = next(iheader)
     data_uuid = data[offset : offset + data_uuid_size]
     offset += data_uuid_size
-    index_size = header[3]
-    pending_index_size = header[4]
-    data_size = header[5]
-    pending_data_size = header[6]
-    default_compression_header = header[7]
+
+    index_size = next(iheader)
+
+    pending_index_size = next(iheader)
+
+    data_size = next(iheader)
+
+    pending_data_size = next(iheader)
+
+    default_compression_header = next(iheader)
+
     docket = RevlogDocket(
         revlog,
         use_pending=use_pending,