Re: [GSoC][PATCH v5 0/7] t: port reftable/pq_test.c to the unit testing framework

> Of course, those shims will closely follow the interfaces that we have
> in Git. E.g. there will shims for "strbuf", the tempfile interface, and
> everything else that we currently use in the reftable library. So
> ultimately, I expect that the shim implementations will simply look like
> the following:
>
> ```
> typedef struct strbuf reftable_buf;
>
> static inline void reftable_buf_add(struct strbuf reftable_buf *buf,
>                                     const void *data, size_t len)
> {
>     strbuf_add(buf, data, len);
> }
> ```
>
> While we could also shim out the priority queue, I don't really think
> that it is worth it.