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package client
import (
"context"
"io"
"net/url"
)
// ImageSave retrieves one or more images from the docker host as an io.ReadCloser.
//
// Platforms is an optional parameter that specifies the platforms to save from the image.
// This is only has effect if the input image is a multi-platform image.
func (cli *Client) ImageSave(ctx context.Context, imageIDs []string, saveOpts ...ImageSaveOption) (io.ReadCloser, error) {
var opts imageSaveOpts
for _, opt := range saveOpts {
if err := opt.Apply(&opts); err != nil {
return nil, err
}
}
query := url.Values{
"names": imageIDs,
}
if len(opts.apiOptions.Platforms) > 0 {
if err := cli.NewVersionError(ctx, "1.48", "platform"); err != nil {
return nil, err
}
p, err := encodePlatforms(opts.apiOptions.Platforms...)
if err != nil {
return nil, err
}
query["platform"] = p
}
resp, err := cli.get(ctx, "/images/get", query, nil)
if err != nil {
return nil, err
}
return resp.Body, nil
}
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