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Differential D9618

actions: introduce function to calculate downgrades
ClosedPublic

Authored by pulkit on Dec 16 2020, 5:14 AM.

Details

Reviewers
marmoute
mharbison72
Group Reviewers
hg-reviewers
Commits
rHGc97d8e0406a6: actions: introduce function to calculate downgrades
Summary

An ugrade operation can also downgrade/remove some format variants. Before this
patch there was no clean way to find out all such variants which will be
removed. This patch adds a function for that.

It will be used in next patch.

Diff Detail

Repository
rHG Mercurial
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Revision Contents
Changeset List

PathPackages
Mmercurial/upgrade_utils/actions.py (15 lines)

Diff 24756

mercurial/upgrade_utils/actions.py

for fv in allformatvariant: for fv in allformatvariant:
if not fv.fromrepo(repo): if not fv.fromrepo(repo):
upgrades.append(fv) upgrades.append(fv)
return upgrades return upgrades
def find_format_downgrades(repo):
"""returns a list of format downgrades which will be performed on the repo
because of disabled config option for them"""
downgrades = []
for fv in allformatvariant:
# format variant exist in repo but does not exist in new repository
# config
if fv.fromrepo(repo) and not fv.fromconfig(repo):
downgrades.append(fv)
return downgrades
ALL_OPTIMISATIONS = [] ALL_OPTIMISATIONS = []
def register_optimization(obj): def register_optimization(obj):
ALL_OPTIMISATIONS.append(obj) ALL_OPTIMISATIONS.append(obj)
return obj return obj