Vendor main dependencies.

vendor/github.com/docker/engine-api/client/container_copy.go

@@ -0,0 +1,97 @@
+package client
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"path/filepath"
+	"strings"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/engine-api/types"
+)
+
+// ContainerStatPath returns Stat information about a path inside the container filesystem.
+func (cli *Client) ContainerStatPath(ctx context.Context, containerID, path string) (types.ContainerPathStat, error) {
+	query := url.Values{}
+	query.Set("path", filepath.ToSlash(path)) // Normalize the paths used in the API.
+
+	urlStr := fmt.Sprintf("/containers/%s/archive", containerID)
+	response, err := cli.head(ctx, urlStr, query, nil)
+	if err != nil {
+		return types.ContainerPathStat{}, err
+	}
+	defer ensureReaderClosed(response)
+	return getContainerPathStatFromHeader(response.header)
+}
+
+// CopyToContainer copies content into the container filesystem.
+func (cli *Client) CopyToContainer(ctx context.Context, container, path string, content io.Reader, options types.CopyToContainerOptions) error {
+	query := url.Values{}
+	query.Set("path", filepath.ToSlash(path)) // Normalize the paths used in the API.
+	// Do not allow for an existing directory to be overwritten by a non-directory and vice versa.
+	if !options.AllowOverwriteDirWithFile {
+		query.Set("noOverwriteDirNonDir", "true")
+	}
+
+	apiPath := fmt.Sprintf("/containers/%s/archive", container)
+
+	response, err := cli.putRaw(ctx, apiPath, query, content, nil)
+	if err != nil {
+		return err
+	}
+	defer ensureReaderClosed(response)
+
+	if response.statusCode != http.StatusOK {
+		return fmt.Errorf("unexpected status code from daemon: %d", response.statusCode)
+	}
+
+	return nil
+}
+
+// CopyFromContainer gets the content from the container and returns it as a Reader
+// to manipulate it in the host. It's up to the caller to close the reader.
+func (cli *Client) CopyFromContainer(ctx context.Context, container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error) {
+	query := make(url.Values, 1)
+	query.Set("path", filepath.ToSlash(srcPath)) // Normalize the paths used in the API.
+
+	apiPath := fmt.Sprintf("/containers/%s/archive", container)
+	response, err := cli.get(ctx, apiPath, query, nil)
+	if err != nil {
+		return nil, types.ContainerPathStat{}, err
+	}
+
+	if response.statusCode != http.StatusOK {
+		return nil, types.ContainerPathStat{}, fmt.Errorf("unexpected status code from daemon: %d", response.statusCode)
+	}
+
+	// In order to get the copy behavior right, we need to know information
+	// about both the source and the destination. The response headers include
+	// stat info about the source that we can use in deciding exactly how to
+	// copy it locally. Along with the stat info about the local destination,
+	// we have everything we need to handle the multiple possibilities there
+	// can be when copying a file/dir from one location to another file/dir.
+	stat, err := getContainerPathStatFromHeader(response.header)
+	if err != nil {
+		return nil, stat, fmt.Errorf("unable to get resource stat from response: %s", err)
+	}
+	return response.body, stat, err
+}
+
+func getContainerPathStatFromHeader(header http.Header) (types.ContainerPathStat, error) {
+	var stat types.ContainerPathStat
+
+	encodedStat := header.Get("X-Docker-Container-Path-Stat")
+	statDecoder := base64.NewDecoder(base64.StdEncoding, strings.NewReader(encodedStat))
+
+	err := json.NewDecoder(statDecoder).Decode(&stat)
+	if err != nil {
+		err = fmt.Errorf("unable to decode container path stat header: %s", err)
+	}
+
+	return stat, err
+}