Re: [PATCH v2 0/3] improve symbolic-ref robustness

> On Sun, Dec 20, 2015 at 02:26:37AM -0500, Jeff King wrote:
> 
>> I noticed that an interrupt "git symbolic-ref" will not clean up
>> "HEAD.lock". So I started this series as an attempt to convert
>> create_symref() to "struct lock_file" to get the usual tempfile cleanup.
> 
> Here's version 2, based on comments from Michael. The first two patches
> were picked out separately for jk/symbolic-ref-maint, so I've dropped
> them here (so 1+2 here are the original 3+4).
> 
> The other differences from v1 are:
> 
>   - use "refname" instead of "ref" to match surrounding code
> 
>   - drop adjust_shared_perm, as lockfile does it for us
> 
>   - adjust reflog writing order (done in a new patch)
> 
> The patches are:
> 
>   [1/3]: create_symref: modernize variable names
>   [2/3]: create_symref: use existing ref-lock code
>   [3/3]: create_symref: write reflog while holding lock