Fix

cmd/cmd.go

@@ -74,10 +74,13 @@ func NewConfig() (Config, error) {
 	pflag.StringP("check-before-create-issue", "", "", "")
 
 	viper.AutomaticEnv()
-	viper.BindPFlags(pflag.CommandLine)
+	err := viper.BindPFlags(pflag.CommandLine)
+	if err != nil {
+		return Config{}, errors.WithStack(err)
+	}
 
 	var cfg Config
 	pflag.Parse()
-	err := viper.Unmarshal(&cfg)
+	err = viper.Unmarshal(&cfg)
 	return cfg, errors.WithStack(err)
 }

cmd/schedule/apply.go

@@ -20,7 +20,7 @@ func NewApplyCommand(ctx context.Context, templateFilePath string, srv schedule.
 		RunE: func(_ *cobra.Command, args []string) error {
 			b, err := os.ReadFile(templateFilePath)
 			if err != nil {
-				errors.WithStack(err)
+				return errors.WithStack(err)
 			}
 
 			templateFile := string(b)

cmd/schedule/render.go

@@ -20,7 +20,7 @@ func NewRenderCommand(ctx context.Context, templateFilePath string, srv schedule
 			zap.L().Debug("template path", zap.String("templateFilePath", templateFilePath))
 			b, err := os.ReadFile(templateFilePath)
 			if err != nil {
-				errors.WithStack(err)
+				return errors.WithStack(err)
 			}
 
 			templateFile := string(b)

domain/issue/domain.go

@@ -80,14 +80,14 @@ func (is *issueServiceImpl) render(ctx context.Context, templateIssueURL string)
 	if err != nil {
 		return types.Issue{}, errors.Wrap(err, "Failed to render title")
 	}
-	title := string(tw.Bytes())
+	title := tw.String()
 
 	bw := bytes.NewBufferString("")
 	err = bodyTmpl.Execute(bw, TemplateData{CurrentTime: is.ct, LastIssue: lastIssue, AddDay: func(d int) time.Time { return is.ct.AddDate(0, 0, d) }})
 	if err != nil {
 		return types.Issue{}, errors.Wrap(err, "Failed to render body")
 	}
-	body := string(bw.Bytes())
+	body := bw.String()
 
 	if lastIssue.URL == nil {
 		return types.Issue{}, errors.New("Invalid last issue passed(empty URL)")
@@ -126,7 +126,10 @@ func (is *issueServiceImpl) Create(ctx context.Context, templateURL string) (typ
 		if err != nil {
 			return types.Issue{}, errors.WithStack(err)
 		}
-		f.Chmod(0755)
+		err = f.Chmod(0755)
+		if err != nil {
+			return types.Issue{}, errors.WithStack(err)
+		}
 		f.Close()
 
 		out, err := exec.Command("sh", f.Name()).Output()

repo/issue.go

@@ -135,7 +135,6 @@ func (ir *issueRepositoryImpl) FindLastIssue(ctx context.Context, templateIssue
 var (
 	// State
 	closed = "closed"
-	open   = "open"
 )
 
 func (ir *issueRepositoryImpl) CloseByURL(ctx context.Context, issueURL string) error {