[gnuastro-devel] [task #13991] Automatically generate Gnuastro's version number from Git

[Mohammad Akhlaghi]

URL:
  <http://savannah.gnu.org/task/?13991>

                 Summary: Automatically generate Gnuastro's version number
from Git
                 Project: GNU Astronomy Utilities
            Submitted by: makhlaghi
            Submitted on: Fri 06 May 2016 06:22:10 PM JST
         Should Start On: Fri 06 May 2016 12:00:00 AM JST
   Should be Finished on: Fri 06 May 2016 12:00:00 AM JST
                Category: Development
                Priority: 5 - Normal
              Item Group: Enhancement
                  Status: In Progress
                 Privacy: Public
        Percent Complete: 80%
             Assigned to: makhlaghi
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00

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Details:

Once Gnuastro is released, an astronomer might clone Gnuastro, and use the
most recent version in their research which they want to publish. To be
reproducible, they have to report the Gnuastro version number in their paper
and with the current system, they will have to report the last available
version which is not correct since they have been using the most recently
pulled master branch (which might have undergone significant updates)
eversince the last tagged commit.

Therefore we have to allow Autoconf to build the version number from the Git
repository automatically. Fortunately Gnulib has the perfect tool for the job:
the `build-aux/git-version-gen' script. This script will use the output of
`git describe' to generate a version number. The great thing is that if
anything is not commited, it will also add a `-dirty' string to the version
number (reminding the author to commit their work)!




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