Mercurial > public > mercurial-scm > hg-stable
comparison mercurial/revlog.py @ 49877:152d9c011bcd
changegroup: add `delta_base_reuse_policy` argument
The argument available through function from changegroup.apply to
`revlog.apply` allow to override the revlog configuration in terms of
delta-base-reuse policy when searching for a delta to store a revision.
It will be put to use in the next changesets.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Sat, 03 Dec 2022 01:31:23 +0100 |
| parents | 05db41701ece |
| children | 9854a9adc466 |
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| 49876:4188e75af983 | 49877:152d9c011bcd |
|---|---|
| 2661 transaction, | 2661 transaction, |
| 2662 alwayscache=False, | 2662 alwayscache=False, |
| 2663 addrevisioncb=None, | 2663 addrevisioncb=None, |
| 2664 duplicaterevisioncb=None, | 2664 duplicaterevisioncb=None, |
| 2665 debug_info=None, | 2665 debug_info=None, |
| 2666 delta_base_reuse_policy=None, | |
| 2666 ): | 2667 ): |
| 2667 """ | 2668 """ |
| 2668 add a delta group | 2669 add a delta group |
| 2669 | 2670 |
| 2670 given a set of deltas, add them to the revision log. the | 2671 given a set of deltas, add them to the revision log. the |
| 2675 this revlog and the node that was added. | 2676 this revlog and the node that was added. |
| 2676 """ | 2677 """ |
| 2677 | 2678 |
| 2678 if self._adding_group: | 2679 if self._adding_group: |
| 2679 raise error.ProgrammingError(b'cannot nest addgroup() calls') | 2680 raise error.ProgrammingError(b'cannot nest addgroup() calls') |
| 2681 | |
| 2682 # read the default delta-base reuse policy from revlog config if the | |
| 2683 # group did not specify one. | |
| 2684 if delta_base_reuse_policy is None: | |
| 2685 if self._generaldelta and self._lazydeltabase: | |
| 2686 delta_base_reuse_policy = DELTA_BASE_REUSE_TRY | |
| 2687 else: | |
| 2688 delta_base_reuse_policy = DELTA_BASE_REUSE_NO | |
| 2680 | 2689 |
| 2681 self._adding_group = True | 2690 self._adding_group = True |
| 2682 empty = True | 2691 empty = True |
| 2683 try: | 2692 try: |
| 2684 with self._writing(transaction): | 2693 with self._writing(transaction): |
| 2756 transaction, | 2765 transaction, |
| 2757 link, | 2766 link, |
| 2758 p1, | 2767 p1, |
| 2759 p2, | 2768 p2, |
| 2760 flags, | 2769 flags, |
| 2761 (baserev, delta), | 2770 (baserev, delta, delta_base_reuse_policy), |
| 2762 alwayscache=alwayscache, | 2771 alwayscache=alwayscache, |
| 2763 deltacomputer=deltacomputer, | 2772 deltacomputer=deltacomputer, |
| 2764 sidedata=sidedata, | 2773 sidedata=sidedata, |
| 2765 ) | 2774 ) |
| 2766 | 2775 |