| Alphare |
| hg-reviewers |
We already know how to serialize and de-serialize and enty. So lets just do that
and modify the entry tuple directly.
This avoid having to duplicated binary operation in complicated code.
| No Linters Available |
| No Unit Test Coverage |
| Path | Packages | |||
|---|---|---|---|---|
| M | mercurial/pure/parsers.py (18 lines) |
| Commit | Parents | Author | Summary | Date |
|---|---|---|---|---|
| 14538a180393 | 29d7fa794778 | Pierre-Yves David | May 3 2021, 6:02 PM |
| Replace an existing index entry's sidedata offset and length with new | Replace an existing index entry's sidedata offset and length with new | ||||
| ones. | ones. | ||||
| This cannot be used outside of the context of sidedata rewriting, | This cannot be used outside of the context of sidedata rewriting, | ||||
| inside the transaction that creates the revision `rev`. | inside the transaction that creates the revision `rev`. | ||||
| """ | """ | ||||
| if rev < 0: | if rev < 0: | ||||
| raise KeyError | raise KeyError | ||||
| self._check_index(rev) | self._check_index(rev) | ||||
| sidedata_format = b">Qi" | if rev < self._lgt: | ||||
| packed_size = struct.calcsize(sidedata_format) | |||||
| if rev >= self._lgt: | |||||
| packed = _pack(sidedata_format, sidedata_offset, sidedata_length) | |||||
| old = self._extra[rev - self._lgt] | |||||
| offset_flags = struct.pack(b">Q", offset_flags) | |||||
| new = offset_flags + old[8:64] + packed + old[64 + packed_size :] | |||||
| self._extra[rev - self._lgt] = new | |||||
| else: | |||||
| msg = b"cannot rewrite entries outside of this transaction" | msg = b"cannot rewrite entries outside of this transaction" | ||||
| raise KeyError(msg) | raise KeyError(msg) | ||||
| else: | |||||
| entry = list(self[rev]) | |||||
| entry[0] = offset_flags | |||||
| entry[8] = sidedata_offset | |||||
| entry[9] = sidedata_length | |||||
| entry = tuple(entry) | |||||
| new = self._pack_entry(entry) | |||||
| self._extra[rev - self._lgt] = new | |||||
| def _unpack_entry(self, data): | def _unpack_entry(self, data): | ||||
| return self.index_format.unpack(data) | return self.index_format.unpack(data) | ||||
| def _pack_entry(self, entry): | def _pack_entry(self, entry): | ||||
| return self.index_format.pack(*entry) | return self.index_format.pack(*entry) | ||||
| def entry_binary(self, rev): | def entry_binary(self, rev): | ||||