fix: abs/rel path for data file

application/source/command.go

@@ -109,20 +109,24 @@ func (d *Definition) PrepareTemplate(s *xflags.Settings[Definition]) {
 		s.AddError(err)
 	} else {
 
-		if d.Template.Prepare.DataFile == "" {
-			d.Template.Prepare.DataFile = "data.yaml"
+		o := d.Template.Prepare.DataFile
+		if o == "" {
+			o = "data.yaml"
 		}
 
-		o := path.Join(d.Template.Prepare.Output, d.Template.Prepare.DataFile)
-		os.WriteFile(o, data, os.ModePerm)
+		if !path.IsAbs(o) {
+			o = path.Join(d.Template.Prepare.Output, o)
 		}
 
+		err = os.WriteFile(o, data, os.ModePerm)
 		if err != nil {
 			s.AddError(err)
 		}
 
 	}
 
+}
+
 func (d *Definition) PrintHelp(s *xflags.Settings[Definition]) {
 	fmt.Println(s.Help())
 }