Compile Latex without Saving, and without Query

I know that I can disable the save query that comes after running TeX-run-TeX with LaTeX, TeX or actually probably any other NAME parameter (this is what happens when you invoke TeX-command-master, usually bound to C-c C-c, and then select LaTeX or TeX or whatever). I did disable it, but what this does, is automatically save, so I can't compile without saving, unless I re-enable the annoying save query, after which I can let it not save.

What I would ideally want, is that when invoking TeX-run-TeX with whatever option on its own it never saves (I would have to manually save), and TeX-command-run-all always saves.

In tex-buf.el, for me it looks like setting TeX-save-query to nil will definitely cause the file to be automatically saved, so it seems kind of annoying for me to solve this problem in a simple way.

The following advice makes TeX-check-files believe that no buffer is modified in TeX-command-master:

"Deactivates `buffer-modified-p` in `TeX-check-files'."
(cl-letf* ((old-TeX-check-files (symbol-function 'TeX-check-files))
((symbol-function 'TeX-check-files)
`(lambda (&rest args)
(cl-letf (((symbol-function 'buffer-modified-p) #'ignore))
(apply ,old-TeX-check-files args)))))
(apply fun args)))