[PATCH 7 of 7] hook: add hook name information to external hook

[Pierre-Yves David]

On 03/31/2017 07:48 PM, Jun Wu wrote:
> This series looks straightforward to me. I have marked pre-reviewed except
> for Patch 1 where I think using "HG_TXNID" is more consistent.

Good catch in patch 1, the last 2 patch will no apply without the first 
one. I'll go through the re-run and submit a V2. If someone want to take 
all the cleanup patch in between in the mean time. Feel free.

-- 
Pierre-Yves David