Move deps from _workspace/ to vendor/

godep restore
pushd $GOPATH/src/github.com/appc/spec
git co master
popd
go get go4.org/errorutil
rm -rf Godeps
godep save ./...
git add vendor
git add -f $(git ls-files --other vendor/)
git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS

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

@@ -0,0 +1,48 @@
+package client
+
+import (
+	"io"
+	"net/url"
+	"time"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/engine-api/types"
+	timetypes "github.com/docker/engine-api/types/time"
+)
+
+// ContainerLogs returns the logs generated by a container in an io.ReadCloser.
+// It's up to the caller to close the stream.
+func (cli *Client) ContainerLogs(ctx context.Context, container string, options types.ContainerLogsOptions) (io.ReadCloser, error) {
+	query := url.Values{}
+	if options.ShowStdout {
+		query.Set("stdout", "1")
+	}
+
+	if options.ShowStderr {
+		query.Set("stderr", "1")
+	}
+
+	if options.Since != "" {
+		ts, err := timetypes.GetTimestamp(options.Since, time.Now())
+		if err != nil {
+			return nil, err
+		}
+		query.Set("since", ts)
+	}
+
+	if options.Timestamps {
+		query.Set("timestamps", "1")
+	}
+
+	if options.Follow {
+		query.Set("follow", "1")
+	}
+	query.Set("tail", options.Tail)
+
+	resp, err := cli.get(ctx, "/containers/"+container+"/logs", query, nil)
+	if err != nil {
+		return nil, err
+	}
+	return resp.body, nil
+}