Re: [PATCH 24/29] ref_transaction_update(): check refname_is_safe() at a minimum

> On 04/27/2016 10:14 PM, Junio C Hamano wrote:
>> Michael Haggerty <mhagger@alum.mit.edu> writes:
>> 
>>> If the user has asked that a new value be set for a reference, we use
>>> check_refname_format() to verify that the reference name satisfies all
>>> of the rules. But in other cases, at least check that refname_is_safe().
>> 
>> It isn't clear to me what "in other cases" exactly refers to.  A
>> request to delete a ref would obviously one of those that do not
>> "ask that a new value be set", but are there other cases?
>
> The other case is `verify`, which can be used to check the old value of
> a reference without modifying it. `verify` is exposed via `git
> update-ref --stdin`