This project uses Git to manage its source code. Instructions on Git use can be found at https://git-scm.com/documentation.
The source can be checked out anonymously from Git with this command (See https://git-scm.com/docs/git-clone):
$ git clone --branch maven-help-plugin-3.2.0 https://gitbox.apache.org/repos/asf/maven-help-plugin.git
Only project developers can access the Git tree via this method (See https://git-scm.com/docs/git-clone).
$ git clone --branch maven-help-plugin-3.2.0 https://gitbox.apache.org/repos/asf/maven-help-plugin.git