Patchwork D10867: revlog: add docket method to request new content files

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Submitter phabricator
Date June 11, 2021, 10:55 a.m.
Message ID <differential-rev-PHID-DREV-bovutvkqouqgar3n7ard-req@mercurial-scm.org>
Download mbox | patch
Permalink /patch/49188/
State Superseded
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phabricator - June 11, 2021, 10:55 a.m.
marmoute created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REVISION SUMMARY
  If we want to write content into new files, we need to be able to ask for them.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D10867

AFFECTED FILES
  mercurial/revlogutils/docket.py

CHANGE DETAILS




To: marmoute, #hg-reviewers
Cc: mercurial-patches, mercurial-devel

Patch

diff --git a/mercurial/revlogutils/docket.py b/mercurial/revlogutils/docket.py
--- a/mercurial/revlogutils/docket.py
+++ b/mercurial/revlogutils/docket.py
@@ -171,6 +171,15 @@ 
             self._index_uuid = make_uid()
         return b"%s-%s.idx" % (self._radix, self._index_uuid)
 
+    def new_index_file(self):
+        """switch index file to a new UID
+
+        The previous index UID is moved to the "older" list."""
+        old = (self._index_uuid, self._index_end)
+        self._older_index_uuids.insert(0, old)
+        self._index_uuid = make_uid()
+        return self.index_filepath()
+
     def data_filepath(self):
         """file path to the current data file associated to this docket"""
         # very simplistic version at first
@@ -178,6 +187,15 @@ 
             self._data_uuid = make_uid()
         return b"%s-%s.dat" % (self._radix, self._data_uuid)
 
+    def new_data_file(self):
+        """switch data file to a new UID
+
+        The previous data UID is moved to the "older" list."""
+        old = (self._data_uuid, self._data_end)
+        self._older_data_uuids.insert(0, old)
+        self._data_uuid = make_uid()
+        return self.data_filepath()
+
     def sidedata_filepath(self):
         """file path to the current sidedata file associated to this docket"""
         # very simplistic version at first
@@ -185,6 +203,15 @@ 
             self._sidedata_uuid = make_uid()
         return b"%s-%s.sda" % (self._radix, self._sidedata_uuid)
 
+    def new_sidedata_file(self):
+        """switch sidedata file to a new UID
+
+        The previous sidedata UID is moved to the "older" list."""
+        old = (self._sidedata_uuid, self._sidedata_end)
+        self._older_sidedata_uuids.insert(0, old)
+        self._sidedata_uuid = make_uid()
+        return self.sidedata_filepath()
+
     @property
     def index_end(self):
         return self._index_end