Simplify versioning

Colin Walters (Red Hat)requested to merge
walters2/fedora-bootc-base-images:fix-version into main

The versioning here was originally inherited from the Fedora CoreOS configuration. However...the version numbering was always overridden by coreos-assembler, so it wasn't actually used there!

Conceptually there are two things here:

  • OS version
  • Arbitrary date stamp

For the "OS version"...well, the closest thing we have actually to "version of set of RPMs" is a compose today, which is expressed in a distinct label already - at least for CentOS and RHEL. For Fedora of course post-branching there are no "composes" as such but just a set of floating RPMs post-release.

We have the "arbitrary date stamp" in the container image build time already - and tooling like bootc and rpm-ostree show both the version and the build time.

Let's significantly simplify our version numbers by just going to "OS version".

This especially fixes the bug that we weren't setting releasever anymore which just broke the version anyways.

Closes: #40 (closed)

Signed-off-by: Colin Walters walters@verbum.org

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