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package client // import "github.com/docker/docker/client"
import (
"context"
"encoding/json"
"fmt"
"net/url"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/pkg/errors"
)
// BuildCachePrune requests the daemon to delete unused cache data
func (cli *Client) BuildCachePrune(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error) {
if err := cli.NewVersionError("1.31", "build prune"); err != nil {
return nil, err
}
report := types.BuildCachePruneReport{}
query := url.Values{}
if opts.All {
query.Set("all", "1")
}
query.Set("keep-storage", fmt.Sprintf("%d", opts.KeepStorage))
filters, err := filters.ToJSON(opts.Filters)
if err != nil {
return nil, errors.Wrap(err, "prune could not marshal filters option")
}
query.Set("filters", filters)
serverResp, err := cli.post(ctx, "/build/prune", query, 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
}