Tbh it makes no difference - you've told the man he gets the sack in a month's time anyway, what he does in the mean time is essentially none of your business and entirely his. If they wanted him to focus on City they shouldn't have screwed him over like that.
For all we know this was Moshiri's plan all along and he's signed last month, or has been in talks for months.
I won't blame Pellegrini if he puts Hart as a striker and Aguero in goal against Madrid in the next game anyway. They treated him like a nobody in the first place, hope they get smashed and he comes out just laughing in the press conferences and kicks at least one of the owners, or Txiki Begiristain, or someone really, and keeps laughing on his way out.