Software Design X-Rays

Data Mining with Code Maat

Code Maat operates on the level of log files generated from any of several version-control systems (including Subversion, TFS, Git, and others), and the GitHub page contains detailed instructions on how to generate the input data to the tool.

Once you have a log file you feed it to Code Maat, which parses the log file and then performs any of the file- or architectural-level analyses discussed in this book. You specify the type of analysis via a command-line argument. Here’s an example of a change coupling analysis, specified through the -a coupling argument, and using one of the supported Git formats where the version-control log is stored in the file vcs_log.txt:

adam$ java -jar code-maat-standalone.jar -c git2 ...