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Each project team decides on when version numbers of repos under it’s its control are incremented and artifacts are place in a Nexus Release repo. In particular the version numbers do not have to be in sync across projects and do not have to be aligned with the release version number.
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Note that the Artifact Release have different version number and do embed components that also have different version mumbernumber.
The version number numbers are documented in the o-parent manifest.
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To make this happens, we branch out from Master, create a delivery branch (Amsterdam, BiejingBeijing, Casablanca,...), and lock the delivery branch to strictly control what goes into delivery branch. Developers continue their non delivery branch work in Master.
At the end of each Release, artifacts are tag in Gerrit, according to above versioning principles.
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