Testing and automation. These two are key to ensuring high quality of software releases.
Ever since I worked briefly in the team at MySQL AB that is responsible for creating the binary (and source) packages of MySQL releases, I have had the vision of a fully automated release procedure. Whenever someone pushes a new commit to the release branch revision control tree, the continuous integration test framework should kick in and do all the steps needed for producing release packages:
- Checkout the new revision.
- Build a source tarball, and save it.
- For each platform, build a binary package from the source tarball. The build should be done in a freshly installed machine without any revision control checkouts, previous build trees, or extra installed software, to ensure that no unwanted