27 lines
1.3 KiB
Go
27 lines
1.3 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package migrate is responsible for converting to and from the various API
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// type versions that are in use in Pulumi. This package can migrate "up" for
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// every versioned API that needs to be migrated between versions. Today, there
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// are three versionable entities that can be migrated
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// with this package:
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// * Checkpoint, the on-disk format for Fire-and-Forget stack state,
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// * Deployment, the wire format for service-managed stacks,
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// * Resource, the wire format for resources saved in deployments,
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//
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// The migrations in this package are designed to preserve semantics between
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// versions. It is always safe to migrate an entity up from one version to another.
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package migrate
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