Add version flag

.github/workflows/test.yml

@@ -2,9 +2,6 @@ name: Test
 
 on:
   pull_request:
-  push:
-    branches:
-      - main
 
 jobs:
   test:

README.md

@@ -12,6 +12,9 @@ https://user-images.githubusercontent.com/16137809/129535113-e5c9447a-0171-4056-
 brew install hatsu38/postman-tui/postman-tui
 ```
 
+<img width="704" alt="usage postman-tui" src="https://user-images.githubusercontent.com/16137809/130349991-781f28d6-c1ec-46dd-b474-a11fd6664d11.png">
+
+
 ## Lint
 
 ```sh
@@ -46,4 +49,4 @@ If you have any concerns, please contact us at ↓.
 https://twitter.com/hatsu_38
 
 ## License
-This code is free to use under the terms of the MIT license.
+This code is free to use under the terms of the MIT license.

main.go

@@ -15,19 +15,23 @@ var (
 )
 
 func usage() {
-	format := `
-	                 _                               _         _
-	_ __   ___  ___| |_ _ __ ___   __ _ _ __       | |_ _   _(_)
-       | '_ \ / _ \/ __| __| '_ ' _ \ / _' | '_ \ _____| __| | | | |
-       | |_) | (_) \__ \ |_| | | | | | (_| | | | |_____| |_| |_| | |
-       | .__/ \___/|___/\__|_| |_| |_|\__,_|_| |_|      \__|\__,_|_|
-       |_|  Version: %s-%s
-
-	Usage:
-	  postman-tui
-	Author:
-	  hatsu38<hajiwata0308@gmail.com>
-	`
+	format :=
+`		_                                _         _
+_ __   ___  ___| |_ _ __ ___   __ _ _ __        | |_ _   _(_)
+| '_ \ / _ \/ __| __| '_ ' _ \ / _' | '_ \ _____| __| | | | |
+| |_) | (_) \__ \ |_| | | | | | (_| | | | |_____| |_| |_| | |
+| .__/ \___/|___/\__|_| |_| |_|\__,_|_| |_|      \__|\__,_|_|
+|_|  Version: %s-%s
+
+Usage:
+  postman-tui
+
+  Flags:
+    -version: Print the current version
+
+Author:
+  hatsu38<hajiwata0308@gmail.com>
+`
 	fmt.Fprintln(os.Stderr, fmt.Sprintf(format, Version, Revision))
 }
 
@@ -41,8 +45,16 @@ func run() int {
 }
 
 func main() {
+	var withVersion bool
+	flag.BoolVar(&withVersion, "version", false, "Print the current version")
+
 	flag.Usage = usage
 	flag.Parse()
 
+	if withVersion {
+		fmt.Println("Version ", Version)
+		return
+	}
+
 	run()
 }