add --no-header option for moon-tags

Author: leafo

bin/moon-tags

@@ -18,6 +18,7 @@ parser = argparse "moon-tags", "Generate ctags style tags file for MoonScript fi
 parser\argument("files", "MoonScript files to generate tags for")\args "+"
 parser\flag "--include-line", "Include line number field for each tag"
 parser\flag "--lapis", "Support extracting lapis routes"
+parser\flag "--no-header", "Don't print the header"
 
 args = parser\parse [v for _, v in ipairs _G.arg]
 
@@ -190,7 +191,9 @@ for fname in *args.files
  table.concat fields, " "
  }
 
-print HEADER
+unless args.no_header
+ print HEADER
+
 tag_lines = [table.concat(t, "\t") for t in *TAGS]
 table.sort tag_lines
 print table.concat tag_lines, "\n"