flouthoc

@Dexus Could you squash commits into one I don't think additional commits are needed you can keep the only first original commit. Adding a small test for this should be...

> I think this flag would be buildah only but it will also get parsed for `dockerclient` as well but would not be recognized by docker daemon, maybe we should...

I'll check this thanks.

Ackd. Not yet, will start working on this.

Picking this up thanks, will report updates here.

I started work on this a while ago but got delayed due to other stuff, I think we can reuse parts from buildkit https://github.com/moby/buildkit/blob/c717d6aa7543d4b83395e0552ef2eb311f563aab/frontend/dockerfile/parser/parser.go#L477 and implement this. I'll get back...

> Would you mind pointing me to the branch where you started the work ? i wouldn't mind taking a look and possibly help. I don't have any presentable branch...

@malikumaliku I think i understand problem a bit you are trying to run `arm32` binary on `x86` using `binfmt_misc` right ? as @rhatdan suggested simple reproducer script would be helpful...

cc @nalind just for info.

@Dexus Commit title for `dc90aed5127822f6b210bf2ed0e2742e98a5e797` is too long could you move PR link in commit title to description please and also please sign the commits in-order to make DCO check...