Merge pull request #6 from tadashi-aikawa/0.5.2

0.5.2

Author: tadashi-aikawa

README.md

@@ -182,6 +182,6 @@ You have to create PR and merge.
 After you merged PR, then
 
 ```
-$ make release version=x.y.z
+$ make deploy version=x.y.z
 ```
 

args.go

@@ -5,7 +5,7 @@ import (
 	"github.com/pkg/errors"
 )
 
-const version = "0.5.1"
+const version = "0.5.2"
 const usage = `Gowl.
 
 Usage:
@@ -41,19 +41,23 @@ type Args struct {
 }
 
 // CreateArgs creates Args
-func CreateArgs(usage string, argv []string, version string) (Args, error) {
+func CreateArgs(usage string, argv []string, version string) (Args, bool, error) {
 	parser := &docopt.Parser{
 		HelpHandler:  docopt.PrintHelpOnly,
 		OptionsFirst: false,
 	}
 
 	opts, err := parser.ParseArgs(usage, argv, version)
 	if err != nil {
-		return Args{}, errors.Wrap(err, "Fail to parse arguments.")
+		return Args{}, false, errors.Wrap(err, "Fail to parse arguments.")
+	}
+
+	if len(opts) == 0 {
+		return Args{}, true, nil
 	}
 
 	var args Args
 	opts.Bind(&args)
 
-	return args, nil
+	return args, false, nil
 }

main.go

@@ -27,10 +27,13 @@ func getRoot(config Config) string {
 }
 
 func main() {
-	args, err := CreateArgs(usage, os.Args[1:], version)
+	args, appEnd, err := CreateArgs(usage, os.Args[1:], version)
 	if err != nil {
 		log.Fatal(errors.Wrap(err, "Fail to create arguments."))
 	}
+	if appEnd {
+		return
+	}
 
 	config, err := CreateConfig()
 	if err != nil {
@@ -62,5 +65,4 @@ func main() {
 			log.Fatal(errors.Wrap(err, "Fail to command `list`"))
 		}
 	}
-
 }