Mercurial > public > mercurial-scm > hg-stable
diff mercurial/store.py @ 47245:616b8f412676
revlogv2: introduce a very basic docket file
This is the first stone toward using a docket file in revlogv2. Right now the
docket is very basic and only store the version number (which is -also- stored
into the index file?) and the other files have fixed name. This new
implementation break transactionally? but they are no test checking
transactionally for revlogv2? So I take this as an opportunity to start small.
They are no usage of revlogv2 outside of tests anyway.
The docket keeps the `.i` naming used by previous version index to preserve a
unique entry point. We could decide to use a different name and look it up
first, or to fully rework this in a future "store" version. However that does
not seems necessary right now.
We will re-introduces transactionality (and associated testing?) in a later
changesets.
A long list of TODOs have been added to the relevant comment.
Differential Revision: https://phab.mercurial-scm.org/D10624
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Mon, 03 May 2021 12:34:11 +0200 |
| parents | 8f6165c90163 |
| children | 0a3fa41fa719 |
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--- a/mercurial/store.py Mon May 17 15:05:24 2021 +0200 +++ b/mercurial/store.py Mon May 03 12:34:11 2021 +0200 @@ -389,7 +389,7 @@ ] REVLOG_FILES_MAIN_EXT = (b'.i', b'i.tmpcensored') -REVLOG_FILES_OTHER_EXT = (b'.d', b'.n', b'.nd', b'd.tmpcensored') +REVLOG_FILES_OTHER_EXT = (b'.idx', b'.d', b'.n', b'.nd', b'd.tmpcensored') # files that are "volatile" and might change between listing and streaming # # note: the ".nd" file are nodemap data and won't "change" but they might be @@ -397,7 +397,7 @@ REVLOG_FILES_VOLATILE_EXT = (b'.n', b'.nd') # some exception to the above matching -EXCLUDED = re.compile(b'.*undo\.[^/]+\.nd?$') +EXCLUDED = re.compile(b'.*undo\.[^/]+\.(nd?|i)$') def is_revlog(f, kind, st): @@ -407,7 +407,7 @@ def revlog_type(f): - if f.endswith(REVLOG_FILES_MAIN_EXT): + if f.endswith(REVLOG_FILES_MAIN_EXT) and EXCLUDED.match(f) is None: return FILEFLAGS_REVLOG_MAIN elif f.endswith(REVLOG_FILES_OTHER_EXT) and EXCLUDED.match(f) is None: t = FILETYPE_FILELOG_OTHER