[Buildroot] [PATCH] support/downlaod: fix the Hg backend for tags
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Aug 23 09:29:49 UTC 2015
Arnout, All,
On 2015-08-23 00:47 +0200, Arnout Vandecappelle spake thusly:
> On 08/18/2015 11:35 PM, Yann E. MORIN wrote:
> > When the version of a package is a Mercurial tag, the download fails,
> > with:
> > abort: unknown revision 'X.Y.Z'!
> >
> > This is because, in Mercurial, tags are commits like the others, and
> > when we clone, we actively request a tag. But then, the server
> > "dereferences" that tag and sends us the revision pointed to by that
> > tag. Of course, since the tag is a commit after the revision we got,
> > we do not have the revision adding the tag.
> >
> > So, we just have to download the full repository to be sure we have
> > the tags in our local clone.
> >
> > Reported-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> > Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> > ---
> > support/download/hg | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/support/download/hg b/support/download/hg
> > index d6654a1..ac1e9b9 100755
> > --- a/support/download/hg
> > +++ b/support/download/hg
> > @@ -25,7 +25,7 @@ repo="${2}"
> > cset="${3}"
> > basename="${4}"
> >
> > -${HG} clone ${verbose} --noupdate --rev "${cset}" "${repo}" "${basename}"
> > +${HG} clone ${verbose} --noupdate "${repo}" "${basename}"
> >
> > ${HG} archive ${verbose} --repository "${basename}" --type tgz \
> > --prefix "${basename}" --rev "${cset}" \
>
> Wouldn't it be better to stick to the original way of cloning, and instead
> specify the equivalent of HEAD as --rev here? I think that would even be the
> default, no?
OK, I tried using "--rev tip" and it does work.
There's a very slight difference when cloning eigen; they have a
.hgarchival.txt file that contains some info about the repo, and that
file slightly differs in both cases. Since it is a file generated by
Mercurial, and it is not in the repository, it's not a big problem.
Still, I think the cleanest is the patch I proposed.
Regards,
Yann E. MORIN.
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