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migrate: Report why an migration cannot be applied

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Just returning that `Migration upgrade cannot be applied: check failed`
is not too useful when running `migrate upgrade_repo_v2`.
This commit is contained in:
Michael Eischer 2022-09-03 11:49:31 +02:00
parent 6c69f08a7b
commit 8b4dd70013
5 changed files with 20 additions and 13 deletions
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8
internal/migrations/s3_layout.go
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@ -38,19 +38,19 @@ func toS3Backend(repo restic.Repository) *s3.Backend {
}
// Check tests whether the migration can be applied.
func (m *S3Layout) Check(ctx context.Context, repo restic.Repository) (bool, error) {
func (m *S3Layout) Check(ctx context.Context, repo restic.Repository) (bool, string, error) {
be := toS3Backend(repo)
if be == nil {
debug.Log("backend is not s3")
return false, nil
return false, "backend is not s3", nil
}
if be.Layout.Name() != "s3legacy" {
debug.Log("layout is not s3legacy")
return false, nil
return false, "not using the legacy s3 layout", nil
}
return true, nil
return true, "", nil
}
func (m *S3Layout) RepoCheck() bool {