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Re: Git 'gcc-9_1_0-release' tag vs. GCC 9.1 release: 'BASE-VER' difference


On Tue, 11 Jun 2019 at 16:29, Thomas Schwinge <thomas@codesourcery.com> wrote:
>
> Hi!
>
> On Tue, 11 Jun 2019 16:18:51 +0100, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> > On Tue, 11 Jun 2019 at 16:13, Thomas Schwinge <thomas@codesourcery.com> wrote:
> > > We have found that the Git 'gcc-9_1_0-release' tag doesn't correspond to
> > > the actual GCC 9.1 release.  The GCC 9.1 release (as per 'gcc-9.1.0.tar'
> > > as well as 'svn+ssh://gcc.gnu.org/svn/gcc/tags/gcc_9_1_0_release',
> > > r272156)
>
> (Eh, at the end of that 'svn co [...]', it printed that it "Checked out
> revision 272156", but the GCC 9.1 release actually is r270840, and
> r272156 is GCC trunk from a moment ago.)
>
> > > would correspond to Git commit
> > > 3defceaa1a2987fa90296abfbcc85d7e9ad59684 "Update ChangeLog and version
> > > files for release", but the Git 'gcc-9_1_0-release' tag points one commit
> > > further: Git commit 1f54d412a517f3a4b82f3dd77517842fb4de099a "BASE-VER:
> > > Set to 9.1.1".  (That's not a big problem; the 'BASE-VER' update is
> > > indeed the only difference.)
> >
> > That's probably my fault, I think I created the tag.
> >
> > > The Git tag can't be corrected now (would it make sense to push a Git
> > > 'gcc-9_1_0-release-corrected' tag?), but I wanted to post this, to get it
> > > into the mighty Internet archives; may this note help others who stumble
> > > over the same thing.
> >
> > Can't we just delete the tag and add it at the right commit?
>
> I don't think that'll be useful: as far as I remember (but please correct
> me if I'm wrong!), a 'git fetch' will not re-fetch changed tags, so

I think that's right, but 'git fetch --tags' would update it.

> different clones might then have different 'gcc-9_1_0-release' tags.

Which doesn't seem like a problem to me.

I could create a local tag with that name for any arbitrary revision.
It wouldn't match what's in everybody else's clone, but that's fine.


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