feat: add all options

Signed-off-by: Xinwei Xiong(cubxxw-openim) <3293172751nss@gmail.com>

tools/imctl/cmd/genman/genman.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"k8s.io/kubernetes/cmd/genutils"
+)
+
+func main() {
+	// use os.Args instead of "flags" because "flags" will mess up the man pages!
+	path := "docs/man/man1"
+	module := ""
+	if len(os.Args) == 3 {
+		path = os.Args[1]
+		module = os.Args[2]
+	} else {
+		fmt.Fprintf(os.Stderr, "usage: %s [output directory] [module] \n", os.Args[0])
+		os.Exit(1)
+	}
+
+	outDir, err := genutils.OutDir(path)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to get output directory: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Set environment variables used by command so the output is consistent,
+	// regardless of where we run.
+	os.Setenv("HOME", "/home/username")
+}