revlog: add docket method to request new content files
If we want to write content into new files, we need to be able to ask for them.
Differential Revision: https://phab.mercurial-scm.org/D10867
--- a/mercurial/revlogutils/docket.py Thu May 20 21:47:09 2021 +0200
+++ b/mercurial/revlogutils/docket.py Sat May 29 00:11:12 2021 +0200
@@ -173,6 +173,15 @@
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
@@ -180,6 +189,15 @@
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
@@ -187,6 +205,15 @@
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