Jun Wu a16c1c3e28 changelog2: preserve laziness of 'ancestors' ... Summary: This is important for performance. Especially, `copies.py` uses it, and a non-lazy `ancestors` would slow down common operations like rebase or histedit or `log -p` because they all use `copies.py`. Before, `log -pr. -T. --profile>/dev/null`: ``` 2859 \ pathcopies copies.py:234 2858 | _forwardcopies copies.py:202 2858 | _committedforwardcopies copies.py:166 11 \ computeforwardmissing remotefilelog/__init__.py:508 3 \ _computeforwardmissing copies.py:156 7 \ prefetch fileserverclient.py:237 5 | __get__ util.py:982 5 | fileslog shallowrepo.py:47 5 | __init__ remotefilelog.py:465 5 | makeruststore remotefilelog.py:519 * 2836 \ ancestors changelog2.py:462 3 \ difffn patch.py:2696 3 | trydiff remotefilelog/__init__.py:667 3 | prefetch fileserverclient.py:237 Total time: 3114 ms ``` After: ``` 11 \ pathcopies copies.py:234 10 | _forwardcopies copies.py:202 10 | _committedforwardcopies copies.py:166 10 | computeforwardmissing remotefilelog/__init__.py:508 3 \ _computeforwardmissing copies.py:156 7 \ prefetch fileserverclient.py:237 5 | __get__ util.py:982 5 | fileslog shallowrepo.py:47 5 | __init__ remotefilelog.py:465 5 | makeruststore remotefilelog.py:519 3 \ difffn patch.py:2696 3 | trydiff remotefilelog/__init__.py:667 2 | prefetch fileserverclient.py:237 ``` Reviewed By: sfilipco Differential Revision: D23036057 fbshipit-source-id: 815cb167d38d0e5d1640ea6156b0891c72253933		2020-08-21 13:00:45 -07:00
..
hgdemandimport	demanedimportpy3: fix demandimport for ipdb	2020-06-22 08:59:14 -07:00
hgext	commands: add debugchangelog command	2020-08-21 13:00:45 -07:00
mercurial	changelog2: preserve laziness of 'ancestors'	2020-08-21 13:00:45 -07:00
__init__.py	start adding type annotations for the cext code	2020-02-21 13:54:19 -08:00
__main__.py	edenscm: add a main module	2020-01-30 18:09:14 -08:00
traceimport.py	Replace whitelist/blacklist term	2020-06-15 15:01:19 -07:00