Move api/client -> cli/command

Using
  gomvpkg
     -from github.com/docker/docker/api/client
     -to github.com/docker/docker/cli/command
     -vcs_mv_cmd 'git mv {{.Src}} {{.Dst}}'

Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: 0640a14b4fcba3715f7cc3bc9444f3c7f4827edd
Component: engine

components/engine/cli/command/stack/opts.go

@@ -0,0 +1,49 @@
+// +build experimental
+
+package stack
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/docker/docker/api/client/bundlefile"
+	"github.com/spf13/pflag"
+)
+
+func addBundlefileFlag(opt *string, flags *pflag.FlagSet) {
+	flags.StringVar(
+		opt,
+		"file", "",
+		"Path to a Distributed Application Bundle file (Default: STACK.dab)")
+}
+
+func addRegistryAuthFlag(opt *bool, flags *pflag.FlagSet) {
+	flags.BoolVar(opt, "with-registry-auth", false, "Send registry authentication details to Swarm agents")
+}
+
+func loadBundlefile(stderr io.Writer, namespace string, path string) (*bundlefile.Bundlefile, error) {
+	defaultPath := fmt.Sprintf("%s.dab", namespace)
+
+	if path == "" {
+		path = defaultPath
+	}
+	if _, err := os.Stat(path); err != nil {
+		return nil, fmt.Errorf(
+			"Bundle %s not found. Specify the path with --file",
+			path)
+	}
+
+	fmt.Fprintf(stderr, "Loading bundle from %s\n", path)
+	reader, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer reader.Close()
+
+	bundle, err := bundlefile.LoadFile(reader)
+	if err != nil {
+		return nil, fmt.Errorf("Error reading %s: %v\n", path, err)
+	}
+	return bundle, err
+}