Junio C Hamano <gitster@xxxxxxxxx> writes: > Brandon Williams <bmwill@xxxxxxxxxx> writes: > >> One simple idea would be to convert the single 'flag' into various bit >> fields themselves, that way if you need to add a new flag you would just >> make a new bit field. I'm unaware of any downsides of doing so (though >> i may be missing something) but doing so would probably cause a bit of >> code churn. > > The reason why people want to have their own bit in the flags word > is because they want to use DIFF_OPT_{SET,CLR,TST,TOUCHED} but they > do not want to do the work to extend them beyond a single word. > > I think it is doable by making everything a 1-bit wide bitfield > without affecting existing users. ... but the "touched" thing may be harder---I haven't thought it through.