#8 add init msg

cmd/pkgdashcli/main.go

@@ -40,6 +40,24 @@ import (
 
 // https://docs.github.com/ru/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
 
+var initMsg = `
+	Pkgdashcli allows you to define a version update for a dependency and start 
+	merge requests in version control systems.
+	
+	Usage:
+		pkgdashcli --method {{method}} --path {{name of dep}}
+
+	Commands:
+		checkupdate													       | CheckUpdate collects a list of dependencies with the latest updates.
+		list 														       | Returns a list of PR for this repository with update dependencies.
+		update      --path {{name of one dep or empty for update all dep}} | Creates a PR with the specified dependency update in path or creates a PR with dependency updates for all modules if path is empty.
+		close       --path {{name of one dep or empty for close all pr}}   | Closes the PR for the specified dependency or closes all PRs with dependency updates if path is empty .
+
+	Flags:
+		--command | The command to execute
+		--path	  | The name of the module to create/close the PR, if empty, the command is executed for all modules.
+`
+
 var (
 	DefaultPullRequestTitle = `Bump {{.Name}} from {{.VersionOld}} to {{.VersionNew}}`
 	DefaultPullRequestBody  = `Bumps {{.Name}} from {{.VersionOld}} to {{.VersionNew}}`
@@ -146,6 +164,11 @@ func main() {
 		logger.Fatal(ctx, fmt.Sprintf("load cli cfg failed: %v", err))
 	}
 
+	if cliCfg.Path == "" && cliCfg.Method == "" {
+		logger.Info(ctx, initMsg)
+		return
+	}
+
 	path := "."
 	if len(os.Args) > 1 {
 		path = os.Args[1]