storage/drivers/chroot_unix.go

22 lines
534 B
Go

// +build linux darwin freebsd solaris
package graphdriver
import (
"fmt"
"os"
"syscall"
)
// chrootOrChdir() is either a chdir() to the specified path, or a chroot() to the
// specified path followed by chdir() to the new root directory
func chrootOrChdir(path string) error {
if err := syscall.Chroot(path); err != nil {
return fmt.Errorf("error chrooting to %q: %v", path, err)
}
if err := syscall.Chdir(string(os.PathSeparator)); err != nil {
return fmt.Errorf("error changing to %q: %v", path, err)
}
return nil
}