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Re: [PATCH 1/4] rebase -i: demonstrate obscure loose object cache bug

On Wed, Mar 13, 2019 at 11:40:54PM +0100, Johannes Schindelin wrote:

> > > +	shift
> > > +	test -z "$*" ||
> > > +	echo "exec $0 $*" >>$GIT_REBASE_TODO
> > 
> > And here we do the same thing. That second redirection is unnecessary.
> It is actually not unnecessary, but to the contrary quite necessary to
> achieve the intended effect: with this command, we append an `exec` line
> to the todo list that is guaranteed to be executed after the `pick`
> command that we added earlier.

Ah, right, I was totally misreading it. We are not execing _now_, but
rather appending an exec. And that explains my confusion about

So your nice explanation below has gone to waste, because I have just
now understood what is going on. ;)

I agree that what you have here is probably the simplest way of
demonstrating the issue.