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package client
import (
"context"
"encoding/json"
"errors"
"net/url"
"github.com/distribution/reference"
"github.com/docker/docker/api/types/container"
)
// ContainerCommit applies changes to a container and creates a new tagged image.
func (cli *Client) ContainerCommit(ctx context.Context, containerID string, options container.CommitOptions) (container.CommitResponse, error) {
containerID, err := trimID("container", containerID)
if err != nil {
return container.CommitResponse{}, err
}
var repository, tag string
if options.Reference != "" {
ref, err := reference.ParseNormalizedNamed(options.Reference)
if err != nil {
return container.CommitResponse{}, err
}
if _, isCanonical := ref.(reference.Canonical); isCanonical {
return container.CommitResponse{}, errors.New("refusing to create a tag with a digest reference")
}
ref = reference.TagNameOnly(ref)
if tagged, ok := ref.(reference.Tagged); ok {
tag = tagged.Tag()
}
repository = ref.Name()
}
query := url.Values{}
query.Set("container", containerID)
query.Set("repo", repository)
query.Set("tag", tag)
query.Set("comment", options.Comment)
query.Set("author", options.Author)
for _, change := range options.Changes {
query.Add("changes", change)
}
if !options.Pause {
query.Set("pause", "0")
}
var response container.CommitResponse
resp, err := cli.post(ctx, "/commit", query, options.Config, nil)
defer ensureReaderClosed(resp)
if err != nil {
return response, err
}
err = json.NewDecoder(resp.Body).Decode(&response)
return response, err
}
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