package client // import "github.com/docker/docker/client" import ( "encoding/json" "fmt" "github.com/docker/docker/api/types" "golang.org/x/net/context" ) // BuildCachePrune requests the daemon to delete unused cache data func (cli *Client) BuildCachePrune(ctx context.Context) (*types.BuildCachePruneReport, error) { if err := cli.NewVersionError("1.31", "build prune"); err != nil { return nil, err } report := types.BuildCachePruneReport{} serverResp, err := cli.post(ctx, "/build/prune", nil, nil, nil) if err != nil { return nil, err } defer ensureReaderClosed(serverResp) if err := json.NewDecoder(serverResp.body).Decode(&report); err != nil { return nil, fmt.Errorf("Error retrieving disk usage: %v", err) } return &report, nil }