The Kaptain on … stuff

The Goal Using the GitHub API, Groovy and GraphViz to determine, interpret and render a graph of the relationships between GitHub users based on the watchers of their repositories. The end result can look something like this. The GitHub V3 API You can find the full documentation for the GitHub V3 API here. They do [...]

The point of this article is to show you how to parse data from an Excel spreadsheet that looks like this: and turn it into a series of graphs that look like this: Recently I was looking for an opportunity to get some practice with JFreeChart and ended up looking at a dataset released by [...]

It’s been almost a year, but I finally had some time to revisit some code I wrote for interacting with the Jenkins api. I’ve used parts of this work to help manage a number of Jenkins build servers, mostly in terms of keeping plugins in sync and moving jobs from one machine to another. For [...]

1. Ensure all of your Jenkins builds are building the correct branch from source control I manage a large number of builds at work, spread across several build servers. When we release a new version all of the builds need to be updated to point to new working branches. This script takes advantage of the [...]

Gradle provides several different ways to leverage your existing investment in Ant, both in terms of accumulated knowledge and the time you’ve already put into build files. This can greatly facilitate the process of porting Ant built projects over to Gradle, and can give you a path for incrementally doing so. The Gradle documentation does [...]

This article originally appeared in the January 2011 issue of GroovyMag. Gradle is a build system in which builds are described using a declarative and concise DSL written in the Groovy language. This article describes how you can wrap proven Apache Ant Tasks in a Gradle Plugin to make using them as effortless as possible. [...]