quantum-integration.org

Notes on Release, Build and CI Engineering

Once you get exposed to the Cloud, DevOps and Everything As A Service world, you realize that almost every piece of software you might need has already been written by someone (or provided as a service).

Why is it not all rainbows and unicorns then?

Because you do not need a tool, a software or a service. You need an infrastructure.

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In this article we address another topic which appeared in multiple discussions recently. We take a look at the difference between the SRPM and the so called dist-git repository of a package. And why do we indeed prefer the dist-git.

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I know people who imagine distribution development as the process of piling up the code in the git repository for 6 months and then building it all in one go at the end of those 6 months, so that it can finally be shipped. This is very far from reality. And it is impossible to explain things like CentOS Stream without addressing this confusion.

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The Ultimate Source of Truth, Wikipedia, defines continuous integration as the practice of merging all developer working copies to a shared mainline several times a day.

My version goes a bit deeper.

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Disclaimer: I am a Senior Principal Engineer in Red Hat. I was a member of the RHEL 9/CentOS Stream 9 Bootstrap team. Opinions are my own.

Tl;dr

The chase for “bug-to-bug compatibility” hurts community, hurts RHEL customers and hurts the industry as a whole. The real innovation behind the CentOS Stream is the attempt to change it.

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