Re: [Xen-devel] [PATCH] automation: introduce a script for build test

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Jul 25, 2018 at 11:48:36AM +0100, Anthony PERARD wrote:
> On Tue, Jul 24, 2018 at 01:01:52PM -0500, Doug Goldstein wrote:
> > On Tue, Jul 24, 2018 at 05:56:51PM +0100, Wei Liu wrote:
> > > Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> > > ---
> > > This is a script I wrote previously for build test.
> > 
> > Goal here is to bisect a series to find the build failure? We could
> > allow git bisect to do the work and just build and return success or
> > failure instead of having to walk it by hand. I don't have one
> > specifically for Xen but on other projects I've got something like:
> > 
> 
> Actually, it's a script that those a similair job to:
>     git rebase --exec ./scripts/basic-build.sh <base>

To expound this a bit:

That's what I used and told others to use before, but it is far more
dangerous than this script because git-rebase _rewrites_ history.

A failed command also doesn't restore original head, so it is less
convenient -- you have to check the status of the tree every time
something breaks.

Wei.

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