Mercurial > hg-stable
changeset 51187:ddf2b33ee388
debugformat: speedup the "plain-cl-delta" check
Checking every single revision is too slow, let's use a sampling approach.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Mon, 27 Nov 2023 15:22:05 -0500 |
| parents | 9ff3d5395d6b |
| children | 976403c95ba3 |
| files | mercurial/upgrade_utils/actions.py |
| diffstat | 1 files changed, 11 insertions(+), 2 deletions(-) [+] |
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--- a/mercurial/upgrade_utils/actions.py Tue Nov 14 22:47:17 2023 +0100 +++ b/mercurial/upgrade_utils/actions.py Mon Nov 27 15:22:05 2023 -0500 @@ -5,6 +5,7 @@ # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. +import random from ..i18n import _ from .. import ( @@ -409,9 +410,17 @@ def fromrepo(repo): # Mercurial 4.0 changed changelogs to not use delta chains. Search for # changelogs with deltas. - cl = repo.changelog + cl = repo.unfiltered().changelog + if len(cl) <= 1000: + some_rev = list(cl) + else: + # do a random sampling to speeds things up Scanning the whole + # repository can get really slow on bigger repo. + some_rev = sorted( + {random.randint(0, len(cl) - 1) for x in range(1000)} + ) chainbase = cl.chainbase - return all(rev == chainbase(rev) for rev in cl) + return all(rev == chainbase(rev) for rev in some_rev) @staticmethod def fromconfig(repo):