[llvm-dev] mini RFC: adding a tag for the SVN -> github migration

[Richard Smith via llvm-dev]

On Fri, 25 Oct 2019 at 13:39, Hans Wennborg via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> As an end to that debate, I added a "llvmorg-10-init" tag just now,
> see http://lists.llvm.org/pipermail/llvm-dev/2019-October/136188.html
>
> Richard, does that address your use case?
>

Mostly, yes. One problem (that my suggestion didn't have) is that we now
have two different names for the same linear revision (eg, r375477
== llvmorg-10-init-8134-gd602e0d0cab), but that's only a short-term issue.

On Thu, Oct 24, 2019 at 7:59 PM James Y Knight via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> >
> > I really don't like that....I'd much prefer to resurrect the previous
> discussion about tagging master after each release branch-point. Which I
> think was generally agreed upon, except for a debate about what to CALL
> those tags.
> >
> > E.g., if we called `git merge-base origin/release/9.x origin/master`
> "10_dev", then
> >
> > $ git describe
> > 10_dev-8276-g9671d1dc1764
> >
> > On Thu, Oct 24, 2019 at 7:00 PM Richard Smith via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
> >>
> >> Proposal:
> >>
> >> $ git tag -a r375505 186155b89c2d2a2f62337081e3ca15f676c9434b -m "Last
> SVN commit before switchover to github."
> >> $ git push origin r375505
> >>
> >> Why?
> >>
> >> This makes "git describe" produce usable linear revision numbers that
> are a natural continuation of the SVN revision numbering. For example, a
> git describe on HEAD from earlier today gives:
> >>
> >> $ git describe
> >> r375505-115-g9b8dd004034
> >>
> >> (That is: r375505 plus 115 git commits = 9b8dd004034)
> >>
> >> This isn't intended to be an official revision number, nor a long-term
> solution to the numbering problem, but seems useful in the short term.
> >>
> >> Thoughts?
> >> _______________________________________________
> >> LLVM Developers mailing list
> >> llvm-dev at lists.llvm.org
> >> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
> >
> > _______________________________________________
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> > llvm-dev at lists.llvm.org
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