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Merge pull request #46 from alexlarsson/dm-plugin-dummy-use-cp

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Dummy driver: Use cp --reflink=auto to copy directories
This commit is contained in:
Michael Crosby 2013-11-19 10:16:56 -08:00
commit 9af1b07086
1 changed files with 10 additions and 2 deletions
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12
graphdriver/dummy/driver.go
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@ -2,9 +2,9 @@ package dummy
import (
"fmt"
"github.com/dotcloud/docker/archive"
"github.com/dotcloud/docker/graphdriver"
"os"
"os/exec"
"path"
)
@ -35,6 +35,14 @@ func (d *Driver) Cleanup() error {
return nil
}
func copyDir(src, dst string) error {
cmd := exec.Command("cp", "-aT", "--reflink=auto", src, dst)
if err := cmd.Run(); err != nil {
return err
}
return nil
}
func (d *Driver) Create(id string, parent string) error {
dir := d.dir(id)
if err := os.MkdirAll(path.Dir(dir), 0700); err != nil {
@ -50,7 +58,7 @@ func (d *Driver) Create(id string, parent string) error {
if err != nil {
return fmt.Errorf("%s: %s", parent, err)
}
if err := archive.CopyWithTar(parentDir, dir); err != nil {
if err := copyDir(parentDir, dir); err != nil {
return err
}
return nil