Mercurial > hg
changeset 46212:c97d8e0406a6
actions: introduce function to calculate downgrades
An upgrade 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.
Differential Revision: https://phab.mercurial-scm.org/D9618
| author | Pulkit Goyal <7895pulkit@gmail.com> |
|---|---|
| date | Wed, 16 Dec 2020 15:04:17 +0530 |
| parents | 2dbe6053d49a |
| children | 30310886d423 |
| files | mercurial/upgrade_utils/actions.py |
| diffstat | 1 files changed, 15 insertions(+), 0 deletions(-) [+] |
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--- a/mercurial/upgrade_utils/actions.py Wed Dec 16 14:55:27 2020 +0530 +++ b/mercurial/upgrade_utils/actions.py Wed Dec 16 15:04:17 2020 +0530 @@ -428,6 +428,21 @@ 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 = []