mirror of
https://github.com/restic/restic.git
synced 2024-12-27 02:08:37 +00:00
c71729dfc4
Package internal/dump has been reworked so its API consists of a single type Dumper that handles tar and zip formats. Tree loading and node writing happen concurrently.
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package dump
|
|
|
|
import (
|
|
"archive/zip"
|
|
"context"
|
|
"path/filepath"
|
|
|
|
"github.com/restic/restic/internal/errors"
|
|
"github.com/restic/restic/internal/restic"
|
|
)
|
|
|
|
func (d *Dumper) dumpZip(ctx context.Context, ch <-chan *restic.Node) (err error) {
|
|
w := zip.NewWriter(d.w)
|
|
|
|
defer func() {
|
|
if err == nil {
|
|
err = w.Close()
|
|
err = errors.Wrap(err, "Close")
|
|
}
|
|
}()
|
|
|
|
for node := range ch {
|
|
if err := d.dumpNodeZip(ctx, node, w); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *Dumper) dumpNodeZip(ctx context.Context, node *restic.Node, zw *zip.Writer) error {
|
|
relPath, err := filepath.Rel("/", node.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
header := &zip.FileHeader{
|
|
Name: filepath.ToSlash(relPath),
|
|
UncompressedSize64: node.Size,
|
|
Modified: node.ModTime,
|
|
}
|
|
header.SetMode(node.Mode)
|
|
|
|
if IsDir(node) {
|
|
header.Name += "/"
|
|
}
|
|
|
|
w, err := zw.CreateHeader(header)
|
|
if err != nil {
|
|
return errors.Wrap(err, "ZipHeader")
|
|
}
|
|
|
|
if IsLink(node) {
|
|
if _, err = w.Write([]byte(node.LinkTarget)); err != nil {
|
|
return errors.Wrap(err, "Write")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
return d.writeNode(ctx, w, node)
|
|
}
|