Re: [PATCH] ld-version: fix it on Fedora

From	"Maciej W. Rozycki" <macro@imgtec.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] ld-version: fix it on Fedora
Date	2016-01-31 16:10 +0100
Message-ID	<qX1Nw-54B-19@gated-at.bofh.it> (permalink)
References	(2 earlier) <qQxyP-300-49@gated-at.bofh.it> <qUMSD-2CU-41@gated-at.bofh.it> <qUMSD-2CU-37@gated-at.bofh.it> <qUThq-7r7-53@gated-at.bofh.it> <qWDUR-3BO-5@gated-at.bofh.it>
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On Sat, 30 Jan 2016, Maciej W. Rozycki wrote:

> > % echo 2.24.51.20140217 | ld-version.sh
> > 22451000
> 
>  So the above version is a non-release snapshot from the development tree 
> as the repository trunk is switched to x.y+1.51 once a release branch for 
> x.y has been made.  Then the release branch is switched to x.y-1.90 for 
> prereleases, before settling on x.y or x.y.0 (this hasn't been consistent) 
> for the actual base release.  Any subsequent maintenance releases will 
> then have their version set to x.y.1, x.y.2, and so on.  We shouldn't ever 
> rely on versions that are not proper releases.

 I need to correct myself here for unclear notation or off-by-one errors, 
the flow is of course as follows:

    trunk
   x.y-1.51
      |
      |
      |
release branchpoint
      |      \
    x.y.51 x.y-1.90
      |   prerelease
      |       |
      |       |
      v    x.y-1.91
      .   prerelease
      .       |
      .       |
              |
           x.y-1.92
          prerelease
              .
              .
              .
            x.y.0
         base release
              |
              |
              |
            x.y.1
      maintenance release
              |
              |
              |
            x.y.2
      maintenance release
              |
              v
              .
              .
              .

 The revision number is sometimes bumped up on trunk as well, to 52, 53, 
etc., though the criteria are not completely clear to me; perhaps to make 
a trunk snapshot "release".

 And last but not least for non-release builds the snapshot date is 
automatically appended to the version number reported, as seen above.

  Maciej

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Re: [PATCH] ld-version: fix it on Fedora "Maciej W. Rozycki" <macro@imgtec.com> - 2016-01-30 14:40 +0100
  Re: [PATCH] ld-version: fix it on Fedora "Maciej W. Rozycki" <macro@imgtec.com> - 2016-01-31 16:10 +0100

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