On Oct 17, 2025, at 16:19, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I agree. I don't think the buildfarm should consider git tags at all
> in this behavior. One reason is that our release process dictates
> applying tags at very specific times that aren't necessarily relevant
> to deciding that an ABI break is or is not okay. I think we want
> moving the baseline to be a considered reaction to an observed ABI
> report, and not an action that is automatic according to some other
> process.
Okay, so the rule is:
* If there is no .abi-compliance-history file, baseline from the latest tag
* Otherwise, baseline from the first SHA to appear in the file
Easy peasy.
D