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https://github.com/clearlinux/rkt.git
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9685f37575
Inspired by a similar change in the Kubernetes project [1], this changes the copyright header to the more generic "The rkt Authors" rather than "CoreOS, Inc.", which is only sometimes correct. https://github.com/GoogleCloudPlatform/kubernetes/commit/6b3a6e6b983f967c88d14d26542ec6e30c49ebd3
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
// Copyright 2015 The rkt Authors
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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 store
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import (
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"database/sql"
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"fmt"
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)
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type migrateFunc func(*sql.Tx) error
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var (
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// migrateTable is a map of migrate functions. The key is the db
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// version to migrate to.
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migrateTable = map[int]migrateFunc{
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1: migrateToV1,
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}
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)
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func migrate(tx *sql.Tx, finalVersion int) error {
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if finalVersion > dbVersion {
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return fmt.Errorf("required migrate final version greater than the last supported db version")
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}
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version, err := getDBVersion(tx)
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if err != nil {
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return err
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}
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for v := version + 1; v <= finalVersion; v++ {
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f, ok := migrateTable[v]
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if !ok {
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return fmt.Errorf("missing migrate function for version %d", v)
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}
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err := f(tx)
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if err == nil {
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updateDBVersion(tx, v)
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}
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if err != nil {
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return fmt.Errorf("failed to migrate db to version %d: %v", v, err)
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}
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}
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return nil
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}
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func migrateToV1(tx *sql.Tx) error {
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return nil
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}
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