CreateReleaseBranch creates a new branch for the release named release-<version>.

EnsureUniqueVersion verifies that this is a new version by checking the existing tags.

GenerateFiles runs make release/gen-files passing the appropriate channel options based on the version.

UpdateChangelog ensures that the release is setup correctly in the changelog and that a new [Unreleased] section is added appropriately.

UpdateVersion sets the version in version.txt.

ValidateVersion ensures the supplied version matches our expected version regexp.

Step defines an action to be taken during the release process.

CmdFn describes a function that runs a Cmd.

ExecFn describes a function that executes shell commands.

FileFn describes a function that reads a file and returns it's contents.

StepFn is a function that implements Step.