1 files changed, 45 insertions, 0 deletions
diff --git a/cmd/crane/help/main.go b/cmd/crane/help/main.go
new file mode 100644
index 0000000..e086a55
--- /dev/null
+++ b/cmd/crane/help/main.go
@@ -0,0 +1,45 @@
+// Copyright 2018 Google LLC All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/google/go-containerregistry/cmd/crane/cmd"
+	"github.com/spf13/cobra"
+	"github.com/spf13/cobra/doc"
+)
+
+var dir string
+var root = &cobra.Command{
+	Use:   "gendoc",
+	Short: "Generate crane's help docs",
+	Args:  cobra.NoArgs,
+	RunE: func(*cobra.Command, []string) error {
+		return doc.GenMarkdownTree(cmd.Root, dir)
+	},
+}
+
+func init() {
+	root.Flags().StringVarP(&dir, "dir", "d", ".", "Path to directory in which to generate docs")
+}
+
+func main() {
+	if err := root.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}