Powerful Command-Line Applications in Go

Exercises

Try these exercises to improve the skills you learned:

• Add another step to the pipeline: code linting using golangci-lint. For more information consult its home page.^[38]

• Add gocyclo to the pipeline. Capture its output and return an error if gocyclo returns any functions with a complexity score of 10 or greater. For more information about this tool, consult its GitHub page.^[39]

• Add environment variables to handle Git authentication with remote repositories that require it.

• Add another command-line flag to your tool asking for the Git branch to push. Update the Git step to accept a configurable branch instead of master.

• Get the Pipeline configuration from a file instead of hard-coding it in the run function.