[Development] [FYI] the new way to retarget gerrit changes

[Shawn Rutledge]

> On 8 Jan 2018, at 14:40, Oswald Buddenhagen <oswald.buddenhagen at qt.io> wrote:
> 
> On Mon, Sep 12, 2016 at 02:39:57PM +0300, Orgad Shaneh wrote:
>>   Either extend the sanity bot, or create a new bot, which listens on
>>   gerrit's event stream.
>>   If the change's owner (or an approver?) posts a comment reading "Please
>>   retarget <branch>", run your script on the server side. You need some
>>   sanity test that ensures this branch exists etc...
>> 
> ... which he implemented, and it's deployed now.
> 
> for simplicity, only the change owner may issue the command. for other
> cases, you still need to go through an admin. the same is advisable for
> batch requests, but do as you wish.
> 
> the regex is 
> 
>  /^(?:gerrit-)?bot:\h*(?:please\h+)?move\h+(?:back\h+)?to\h+(?:branch\h+)?([\w.]*\w)\b/im
> 
> which boils down to "bot: move to <branch>" at the start of any line of
> a gerrit cover message.

It seems to work too.  Awesome.