Add tag check to release draft creation (#3729)

modules/auth/repo_form.go

@@ -371,7 +371,7 @@ func (f *MergePullRequestForm) Validate(ctx *macaron.Context, errs binding.Error
 
 // NewReleaseForm form for creating release
 type NewReleaseForm struct {
-	TagName    string `binding:"Required"`
+	TagName    string `binding:"Required;GitRefName"`
 	Target     string `form:"tag_target" binding:"Required"`
 	Title      string `binding:"Required"`
 	Content    string

modules/validation/binding.go

@@ -19,7 +19,7 @@ const (
 )
 
 var (
-	// GitRefNamePattern is regular expression wirh unallowed characters in git reference name
+	// GitRefNamePattern is regular expression with unallowed characters in git reference name
 	GitRefNamePattern = regexp.MustCompile("[^\\d\\w-_\\./]")
 )