Mercurial > public > mercurial-scm > hg
diff mercurial/revlog.py @ 46857:cc65cea90edb
revlog: move the details of revlog "v1" index inside revlog.utils.constants
The revlog module is quite large and this kind of format information would handy
for other module. So let us start to gather this information about the format in
a more appropriate place.
We update various reference to this information to use the new "source of truth"
in the process.
Differential Revision: https://phab.mercurial-scm.org/D10304
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Mon, 05 Apr 2021 12:21:01 +0200 |
| parents | 34e1fa4b548a |
| children | 85e3a630cad9 |
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--- a/mercurial/revlog.py Mon Apr 05 12:20:52 2021 +0200 +++ b/mercurial/revlog.py Mon Apr 05 12:21:01 2021 +0200 @@ -42,6 +42,7 @@ FLAG_GENERALDELTA, FLAG_INLINE_DATA, INDEX_ENTRY_V0, + INDEX_ENTRY_V1, REVLOGV0, REVLOGV1, REVLOGV1_FLAGS, @@ -326,18 +327,6 @@ return INDEX_ENTRY_V0.pack(*e2) -# index ng: -# 6 bytes: offset -# 2 bytes: flags -# 4 bytes: compressed length -# 4 bytes: uncompressed length -# 4 bytes: base rev -# 4 bytes: link rev -# 4 bytes: parent 1 rev -# 4 bytes: parent 2 rev -# 32 bytes: nodeid -indexformatng = struct.Struct(b">Qiiiiii20s12x") -indexformatng_pack = indexformatng.pack versionformat = struct.Struct(b">I") versionformat_pack = versionformat.pack versionformat_unpack = versionformat.unpack @@ -349,7 +338,7 @@ class revlogio(object): def __init__(self): - self.size = indexformatng.size + self.size = INDEX_ENTRY_V1.size def parseindex(self, data, inline): # call the C implementation to parse the index data @@ -357,7 +346,7 @@ return index, cache def packentry(self, entry, node, version, rev): - p = indexformatng_pack(*entry) + p = INDEX_ENTRY_V1.pack(*entry) if rev == 0: p = versionformat_pack(version) + p[4:] return p