Re: [PATCH 00/38] SHA-256, part 3/3

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On 2020-07-10 at 15:14:37, Derrick Stolee wrote:
> On 7/9/2020 10:46 PM, brian m. carlson wrote:
> > This is the final part required for the stage 4 implementation of
> > SHA-256.
> 
> WOOHOO! What a milestone!

I'm also excited about this.  It's been a lot of work, but we're finally
here.

> As usual, your commits are excellently organized and clear. I could
> not find any fault in any of them.

Thanks.

> The proof is really in the pudding: does this pass the test suite
> when GIT_TEST_DEFAULT_HASH=sha256? You add that as a mode to the
> CI scripts, so we will know.

I've seen several cases where we've accidentally regressed things with
SHA-256, so it seemed only prudent to set up CI.  I've run it locally on
my system and it works for me, but we'll see how it fares on the CI
system.

> I made a recommendation for a different model with how to do the CI,
> but it's super minor and can be done later. Basically, if we create
> a new job for SHA-256 mode, then we can more quickly identify when
> a test failure is due to that toggle and not other optional GIT_TEST_*
> variables.

I think that's a good suggestion, and I'm familiar enough with GitHub
Actions that I think I can set up an additional job.  If I reroll, I'll
try to squash such a change in.

> I hope to play around with SHA256-enabled repos a bit later, to see
> if I can find any issues poking around on my own. I doubt I will,
> with how thoroughly you modified the test suite.

For folks who are looking for a more convenient way to get patches,
you're welcome to grab them from the transition-stage-4 branch on
https://github.com/bk2204/git.git or
https://git.crustytoothpaste.net/git/bmc/git.git.  The GitHub URL has
slightly more bandwidth and a generally better uptime, since I don't
live in a datacenter.
-- 
brian m. carlson: Houston, Texas, US

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