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feat(confix): allow customization of migration plan (backport #21202) #21268

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merged 3 commits into from
Aug 13, 2024
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feat(confix): allow customization of migration plan (backport #21202) #21268

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feat(confix): allow customization of migration plan (#21202)
GAtom22 Aug 13, 2024
563b06e
conflicts
julienrbrt Aug 13, 2024
531bd26
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julienrbrt Aug 13, 2024
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4 changes: 4 additions & 0 deletions tools/confix/CHANGELOG.md
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Expand Up @@ -31,6 +31,10 @@ Ref: https://keepachangelog.com/en/1.0.0/

## [Unreleased]

## [v0.1.2](https://github.com/cosmos/cosmos-sdk/releases/tag/tools/confix/v0.1.2) - 2024-08-13

* (confix) [#21202](https://github.com/cosmos/cosmos-sdk/pull/21202) Allow customization of migration `PlanBuilder`.

## [v0.1.1](https://github.com/cosmos/cosmos-sdk/releases/tag/tools/confix/v0.1.1) - 2023-12-11

* [#18496](https://github.com/cosmos/cosmos-sdk/pull/18496) Remove invalid non SDK config from app.toml migration templates.
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18 changes: 13 additions & 5 deletions tools/confix/migrations.go
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Expand Up @@ -19,20 +19,28 @@ const (
// MigrationMap defines a mapping from a version to a transformation plan.
type MigrationMap map[string]func(from *tomledit.Document, to string) transform.Plan

// loadDestConfigFile is the function signature to load the destination version
// configuration toml file.
type loadDestConfigFile func(to string) (*tomledit.Document, error)

var Migrations = MigrationMap{
"v0.45": NoPlan, // Confix supports only the current supported SDK version. So we do not support v0.44 -> v0.45.
"v0.46": PlanBuilder,
"v0.47": PlanBuilder,
"v0.50": PlanBuilder,
"v0.46": defaultPlanBuilder,
"v0.47": defaultPlanBuilder,
"v0.50": defaultPlanBuilder,
// "v0.xx.x": PlanBuilder, // add specific migration in case of configuration changes in minor versions
}

func defaultPlanBuilder(from *tomledit.Document, to string) transform.Plan {
return PlanBuilder(from, to, LoadLocalConfig)
}

// PlanBuilder is a function that returns a transformation plan for a given diff between two files.
func PlanBuilder(from *tomledit.Document, to string) transform.Plan {
func PlanBuilder(from *tomledit.Document, to string, loadFn loadDestConfigFile) transform.Plan {
plan := transform.Plan{}
deletedSections := map[string]bool{}

target, err := LoadLocalConfig(to)
target, err := loadFn(to)
if err != nil {
panic(fmt.Errorf("failed to parse file: %w. This file should have been valid", err))
}
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