On 03/01/2016 01:52 AM, David Turner wrote:
> Refactor resolve_ref_1 in terms of a new function read_raw_ref, which
> is responsible for reading ref data from the ref storage.
>
> Later, we will make read_raw_ref a pluggable backend function, and make
> resolve_ref_unsafe common.
>
> Testing done: Hacked in code to run both old and new version of
> resolve_ref_1 and compare all outputs, failing dramatically if outputs
> differed. Ran test suite.
I like that you are splitting up resolve_ref_1(), which was too
complicated and convoluted before.
This is a textually large change and I'm still auditing it, but
meanwhile I have a question...
> [...]
> - if (--depth < 0) {
> - errno = ELOOP;
> - return NULL;
> - }
The old version set errno to ELOOP if there were too many layers of
symrefs. The new version doesn't seem to set errno at all in that case.
I think that is a regression, though I might be misunderstanding something.
Michael
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