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From Dennis Lundberg <denn...@apache.org>
Subject Re: [VOTE] Release Apache Maven Model Converter version 2.3
Date Thu, 15 Aug 2013 19:57:15 GMT
On Thu, Aug 15, 2013 at 9:27 PM, sebb <sebbaz@gmail.com> wrote:

> On 15 August 2013 14:16, Jason van Zyl <jason@tesla.io> wrote:
> > What Sebb is doing is perfectly reasonable.
>

I agree. Checking that the source bundle is correct is good release review
practice.

Thank you!
>
> > He's trying to assert that everything in the source ball actually comes
> from source control and that no errant files have made their way into the
> distribution. Right now we cannot assert that the assembly plugin has not
> wandered outside the checkout and pulled something else in, or that someone
> didn't accidentally put something else in the distribution. I think this
> unlikely but we can't assert otherwise right now which I believe is Sebb's
> point.
>
> It *has* already happened several times that I am aware of.
>
> The last few releases of the War plugin (various RMs & voters)
> included at least one spurious file.
> So it was not just a one-off packaging - and review - failure.
> [See separate thread(s) for all the details; they are not germane here.]
>
> The message is that mistakes happen even in automated processes.
> Which is why independent comparison of input and output is valuable.
>
> > If we can embed the revision from which the assembly was made in the
> assembly itself (and maybe the build number plugin is doing this already),
> then a tool can be made to unpack the assembly, checkout the revision and
> assert that everything in the source distribution comes from source control.
> >
> > If we can also assert that as part of each build all the license files
> are intact and headers are in place then I believe we're done with
> provenance.
> > Licenses are present, all files have valid license headers, all files
> present in the source distribution come from source control, all
> contributions to source control are from bonafide CLA carrying Apache
> committers because you don't get access to commit until the CLA is on file.
> >
> > Sebb, reasonably accurate?
>
> Yes.
>
> One other point I made already is that I think the vote e-mail needs
> to be transparent to all, not just those on the PMC.
> Links to the output from the release process are obviously already in
> the mail; what is missing is the input to the process, e.g.. SCM
> coords.
> Yes, it may be possible to dig out the details from the archive, but
> that's not trivial.
>

I disagree.

If we focus first on a "normal" release, one that succeeds on the first
attempt, without a respin or deleting of tags.
To check provenance you would do this:

1. download the source bundle
2. unpack the source bundle
3. checkout the corresponding source code from the SCM
4. compare the two trees

Right so far?

What you want, if I understand you correctly, is to have the SCM URL in the
vote email. So that you can give that to your SCM client in step 3.

With the process we use here at the Maven project, the SCM URL is in the
pom.xml file that sits in the root directory of the unpacked source bundle.
All you need to do is open the file and copy the URL from there. I still
fail to see how that is so much harder than to copy the URL from an email.

That is if you don't know the conventions that we use, by way of the
Release Plugin. The tag will always be in the format
${project.artifactId}-${project.version}

Now, for a respun release thing are trickier. Here it might be a good idea
to include the revision number or hash, or whatever is unique in the SCM
being used. Even though the code under review will always be under the
latest tag in the above format (at least for Subversion).


> Publishing the SCM coordinates in the mail is trivial to do, and shows
> that the input is an important part of the review process.
> Having the information in the mail thread is also useful for the archives.
>

As others have said before, we aim to automate the release process as much
as possible. Therefor even a seemingly minor addition will be questioned,
as you have noticed, before it is included in our process.

Can you explain why the information is useful for the archives? I've seen
you mentioned that before. Isn't that moot once the release is approved?
The tag will be in Subversion for the forseable future and noone will touch
it. What am I missing?


>
> > On Aug 15, 2013, at 9:01 AM, Chris Graham <chrisgwarp@gmail.com> wrote:
> >
> >>
> >>
> >> Sent from my iPhone
> >>
> >> On 15/08/2013, at 10:05 PM, sebb <sebbaz@gmail.com> wrote:
> >>
> >>> On 15 August 2013 10:08, Chris Graham <chrisgwarp@gmail.com> wrote:
> >>>> What sebb does not appear to have understood or accepted, as Stephen
> has
> >>>> endlessly pointed out, is that we vote on the source bundle, not a scm
> >>>> revision, and that, strictly speaking a SCM is not even required
> (however
> >>>> sensible it is to use one).
> >>>>
> >>>> He wants a tree and a revision so that we can compare between
> releases,
> >>>> where what he should be doing, strictly speaking, is comparing source
> tar
> >>>> balls, as that is what we really are voting on.
> >>>
> >>> I agree that what is released (and voted on) are the source tarballs.
> >>> And any such tarballs should be identical (barring possibly different
> >>> EOL settings for text files).
> >>>
> >>> However, that is only one of the checks that need to be made.
> >>>
> >>> The PMC also needs to ensure that the files are being released under
> >>> the correct license.
> >>
> >> Are not the licenses in the source that is in the source tarball?
> >>
> >> If so, can not the rat plugin or similar be used to check the
> compliance?
> >>
> >>> I contend that the only practical way to check the licences is to
> >>> compare the source tarball(s) with the files in SCM.
> >>>
> >>> [The files should only be added to SCM if the license is OK, so the
> >>> SCM tag acts as a database of validated source files.]
> >>>
> >>> The SVN revision / Git hash are needed to ensure uniqueness.
> >>>
> >>> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: dev-unsubscribe@maven.apache.org
> >>> For additional commands, e-mail: dev-help@maven.apache.org
> >>>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: dev-unsubscribe@maven.apache.org
> >> For additional commands, e-mail: dev-help@maven.apache.org
> >>
> >
> > Thanks,
> >
> > Jason
> >
> > ----------------------------------------------------------
> > Jason van Zyl
> > Founder,  Apache Maven
> > http://twitter.com/jvanzyl
> > ---------------------------------------------------------
> >
> > There's no sense in being precise when you don't even know what you're
> talking about.
> >
> >  -- John von Neumann
> >
> >
> >
> >
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@maven.apache.org
> For additional commands, e-mail: dev-help@maven.apache.org
>
> --
> Dennis Lundberg <dev-help@maven.apache.org>
>

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