cli: fix builder persistent flag

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/github.com/docker/cli-docs-tool/clidocstool.go

@@ -15,38 +15,90 @@
 package clidocstool
 
 import (
+	"errors"
+	"io"
+	"os"
+
 	"github.com/spf13/cobra"
 )
 
-// GenTree creates yaml and markdown structured ref files for this command
-// and all descendants in the directory given. This function will just
-// call GenMarkdownTree and GenYamlTree functions successively.
-func GenTree(cmd *cobra.Command, dir string) error {
+const (
+	// AnnotationExternalUrl specifies an external link annotation
+	AnnotationExternalUrl = "docs.external.url"
+)
+
+// Options defines options for cli-docs-tool
+type Options struct {
+	Root      *cobra.Command
+	SourceDir string
+	TargetDir string
+	Plugin    bool
+}
+
+// Client represents an active cli-docs-tool object
+type Client struct {
+	root   *cobra.Command
+	source string
+	target string
+	plugin bool
+}
+
+// New initializes a new cli-docs-tool client
+func New(opts Options) (*Client, error) {
+	if opts.Root == nil {
+		return nil, errors.New("root cmd required")
+	}
+	if len(opts.SourceDir) == 0 {
+		return nil, errors.New("source dir required")
+	}
+	c := &Client{
+		root:   opts.Root,
+		source: opts.SourceDir,
+		plugin: opts.Plugin,
+	}
+	if len(opts.TargetDir) == 0 {
+		c.target = c.source
+	} else {
+		c.target = opts.TargetDir
+	}
+	if err := os.MkdirAll(c.target, 0755); err != nil {
+		return nil, err
+	}
+	return c, nil
+}
+
+// GenAllTree creates all structured ref files for this command and
+// all descendants in the directory given.
+func (c *Client) GenAllTree() error {
 	var err error
-	if err = GenMarkdownTree(cmd, dir); err != nil {
+	if err = c.GenMarkdownTree(c.root); err != nil {
 		return err
 	}
-	if err = GenYamlTree(cmd, dir); err != nil {
+	if err = c.GenYamlTree(c.root); err != nil {
 		return err
 	}
 	return nil
 }
 
-// VisitAll will traverse all commands from the root.
-// This is different from the VisitAll of cobra.Command where only parents
-// are checked.
-func VisitAll(root *cobra.Command, fn func(*cobra.Command)) {
-	for _, cmd := range root.Commands() {
-		VisitAll(cmd, fn)
+func fileExists(f string) bool {
+	info, err := os.Stat(f)
+	if os.IsNotExist(err) {
+		return false
 	}
-	fn(root)
+	return !info.IsDir()
 }
 
-// DisableFlagsInUseLine sets the DisableFlagsInUseLine flag on all
-// commands within the tree rooted at cmd.
-func DisableFlagsInUseLine(cmd *cobra.Command) {
-	VisitAll(cmd, func(ccmd *cobra.Command) {
-		// do not add a `[flags]` to the end of the usage line.
-		ccmd.DisableFlagsInUseLine = true
-	})
+func copyFile(src string, dst string) error {
+	sf, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer sf.Close()
+	df, err := os.OpenFile(dst, os.O_CREATE|os.O_WRONLY, 0o600)
+	if err != nil {
+		return err
+	}
+	defer df.Close()
+	_, err = io.Copy(df, sf)
+	return err
 }