buildversion-plugin
· This is a maven plugin that extracts current build information from git
projects, including: the latest commit hash, timestamp, most recent tag,
number of commits since most recent tag. It also implements a "follow first
parent" flavor of git describe.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window buildversion-plugin-1.0.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.