dotcloud/docker

//go:build !windows

package daemon // import "github.com/docker/docker/daemon"

import (
    "github.com/docker/docker/container"
    "github.com/docker/docker/pkg/archive"
    "github.com/docker/docker/pkg/idtools"
)

func (daemon *Daemon) tarCopyOptions(container *container.Container, noOverwriteDirNonDir bool) (*archive.TarOptions, error) {
    if container.Config.User == "" {
        return daemon.defaultTarCopyOptions(noOverwriteDirNonDir), nil
    }

    user, err := idtools.LookupUser(container.Config.User)
    if err != nil {
        return nil, err
    }

    identity := idtools.Identity{UID: user.Uid, GID: user.Gid}

    return &archive.TarOptions{
        NoOverwriteDirNonDir: noOverwriteDirNonDir,
        ChownOpts:            &identity,
    }, nil
}