[dmd-internals] Fixing github pull requests that I borked up

[Brad Roberts]

On 10/8/13 12:06 AM, Jacob Carlborg wrote:
> On Oct 07, 2013, at 09:44 PM, Walter Bright <walter at digitalmars.com> wrote:
>
>> An example:
>>
>> https://github.com/D-Programming-Language/dmd/pull/2615
>>
>> See all those extra commits in there? That's because I did a:
>>
>> git push -f
>
> Why did you do a force push in the first place? If you can't push, you shouldn't just blindly add
> "-f" to force the push. You should stop and think of why you can't push it without force in the
> first place. You need to stop doing this. No offense, but you obviously can not completely handle
> git. Either learn how to handle it or ask some one, BEFORE you're doing something like this.

Completely agreed.

>> from the wrong branch. Git, miserable program that it is, has no:
>>
>> git undo
>>
>> which it so desperately needs. Anyhow, this royally borked up github. Brad
>> Roberts came riding the rescue, and got the damage to the main repo undone.
>> However, the PR's did not fix themselves.
>
> I don't know what exactly had happened or how Brad "fixed" this, but I'm pretty sure it's possible
> to correctly fix this without breaking the pull requests. Just reset back the history to the sate it
> was before the force push. Since you already made a push force, another push force is needed to fix
> the problem. Then correctly make the changes you wanted to make.

The fix was merely repushing the commit id of the previously head of master back as the current head 
of master.  Something internal to github's management of pulls got confused at that point.  So far, 
no response to my support request.