client/checkpoint_list.go
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 package client // import "github.com/docker/docker/client"
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 import (
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 	"context"
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 	"encoding/json"
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 	"net/url"
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 	"github.com/docker/docker/api/types"
 )
 
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 // CheckpointList returns the checkpoints of the given container in the docker host
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 func (cli *Client) CheckpointList(ctx context.Context, container string, options types.CheckpointListOptions) ([]types.Checkpoint, error) {
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 	var checkpoints []types.Checkpoint
 
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 	query := url.Values{}
 	if options.CheckpointDir != "" {
 		query.Set("dir", options.CheckpointDir)
 	}
 
 	resp, err := cli.get(ctx, "/containers/"+container+"/checkpoints", query, nil)
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 	defer ensureReaderClosed(resp)
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 	if err != nil {
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 		return checkpoints, wrapResponseError(err, resp, "container", container)
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 	}
 
 	err = json.NewDecoder(resp.body).Decode(&checkpoints)
 	return checkpoints, err
 }