[llvm-dev] [RFC] One or many git repositories?

[Robinson, Paul via llvm-dev]

> -----Original Message-----
> From: Renato Golin [mailto:renato.golin at linaro.org]
> Sent: Monday, July 25, 2016 7:11 AM
> To: Daniel Sanders
> Cc: Robinson, Paul; llvm-dev at lists.llvm.org
> Subject: Re: [llvm-dev] [RFC] One or many git repositories?
> 
> On 25 July 2016 at 14:55, Daniel Sanders <Daniel.Sanders at imgtec.com>
> wrote:
> > I know of a way but it's not very nice. The gist of it is to checkout
> the
> > downstream branch just before the bad merge and then merge the first
> > 100 commits from upstream. If the result is good then merge the next
> > 100, but if it's bad then 'git reset --hard' and merge 10 instead.
> You'll
> > eventually find the commit that made it bad. Essentially, the idea is to
> > make a throwaway branch that merges more frequently. I do something
> > similar to rebase my work to master since gradually rebasing often
> > causes all the conflicts to go away.
> 
> This is essentially what git-imerge does, you only need to define
> "good merge" in the form of a script or CI job.
> 
> cheers,
> -renato

Except I understood git-imerge to be looking for physical conflicts,
not "when did this test start failing."  If it does the latter also,
that would be awesome.
--paulr