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sync.go
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sync.go
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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package store
import (
"fmt"
"os"
"os/exec"
"path"
"time"
"github.com/pingcap/tiup/pkg/utils"
)
// Syncer sync diff files to target
type Syncer interface {
Sync(srcDir string) error
}
type combinedSyncer struct {
syncers []Syncer
}
func (s *combinedSyncer) Sync(srcDir string) error {
for _, sy := range s.syncers {
if err := sy.Sync(srcDir); err != nil {
return err
}
}
return nil
}
func combine(syncers ...Syncer) Syncer {
return &combinedSyncer{syncers}
}
type fsSyncer struct {
root string
}
func newFsSyncer(root string) Syncer {
return &fsSyncer{root}
}
func (s *fsSyncer) Sync(srcDir string) error {
unix := time.Now().UnixNano()
dstDir := path.Join(s.root, fmt.Sprintf("commit-%d", unix))
if err := os.MkdirAll(dstDir, 0755); err != nil {
return err
}
files, err := os.ReadDir(srcDir)
if err != nil {
return err
}
for _, f := range files {
if err := utils.Copy(path.Join(srcDir, f.Name()), path.Join(dstDir, f.Name())); err != nil {
return err
}
}
return nil
}
type externalSyncer struct {
script string
}
func newExternalSyncer(scriptPath string) Syncer {
return &externalSyncer{scriptPath}
}
func (s *externalSyncer) Sync(srcDir string) error {
cmd := exec.Command(s.script, srcDir)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}