[Bug 1335221] [NEW] libvirt builds should include packager information

[Daniel Berrange]

Public bug reported:

The libvirt configure script has a special feature especially for distro
vendors to use when building binary packages which lets them encode a
bit of information about the builds, which then ends up in log files.
This does not appear to be used in Ubuntu builds which makes it
impossible to determine exactly which particular build of libvirt was
used by the bug reporter

For example, on Ubuntu currently if you turn on libvirt logging you'll
see a message like this:

  2014-06-27 15:12:33.274+0000: 20830: info : libvirt version: 1.2.2

By comparison on Fedora / RHEL systems you'd see something like this:

  2014-06-27 16:30:33.837+0000: 2454: info : libvirt version: 1.2.2,
package: 1.fc20 (Unknown, 2014-06-27-15:41:14, mustard.redhat.com)

In particular notice that it includes the precise RPM release number, so
that you can figure out exactly which binary package the bug reporter
used.  eg on Ubuntu this would be the "0ubuntu13" part of the version
number in trusty libvirt builds.

Debian/ubuntu packages  could set this doing something like this

  when=`date +"%%F-%%T"`
  where=`hostname`
  who="Unknown"  (or name of the person or entity doing the build)
  what="0ubuntu13" (or whatever current build is)

  ./configure  --with-packager="$who $when $where" \
                         --with-packager-version="$what" \
                        ...other args to configure...

And then check that this has then propagated to the log messages

** Affects: libvirt (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1335221

Title:
  libvirt builds should include packager information

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