Re: [PATCH 5/6] builtin/stash: provide a way to import stashes from a ref

> > +static int do_import_stash(const char *rev)
> > +{
> > +	struct object_id oid;
> > +	size_t nitems = 0, nalloc = 0;
> > +	struct stash_info *items = NULL;
> > +	int res = 0;
> > +
> > +	if (get_oid(rev, &oid))
> > +		return error(_("not a valid revision: %s"), rev);
> > +
> > +	/*
> > +	 * Walk the commit history, finding each stash entry, and load data into
> > +	 * the array.
> > +	 */
> > +	for (size_t i = 0;; i++, nitems++) {
> > +		int ret;
> > +
> > +		if (nalloc <= i) {
> > +			size_t new = nalloc * 3 / 2 + 5;
> > +			items = xrealloc(items, new * sizeof(*items));
> > +			nalloc = new;
> > +		}
> > +		memset(&items[i], 0, sizeof(*items));
> > +		/* We want this to be quiet because it might not exist. */
> > +		ret = get_stash_info_for_import(&items[i], &oid);
> 
> The new helper function is not necessary; we can use vanilla
> get_stash_info() on the second parent to get the same information,
> and we do not really need to keep it in core.  We can sanity check
> the shape of the imported stash entry right away and discard
> everything except for the commit object name.