This plugin wraps the server-side functionality of JGit so that other plugins can easily expose Git repositories from Jenkins via its SSH transport and HTTP in a collaborative fashion. This plugin is a library plugin, in the sense that it doesn't have any user visible feature on its own.
See Git userContent plugin as a nice and short example of how to take advantages of this feature.
In terms of code, there are two classes that plugins like
git-userContent-plugin should be interested in.
HttpGitRepository, which represents Git repository access via HTTP. Typically you have some directory inside
$JENKINS_HOME that houses the repository, then you subtype
GitHttpRepository and override abstract methods to fill in the missing details.
FileBackedHttpGitRepository is a convenient default implementation that simplifies this further. GitUserContentRepository in
git-userContent-plugin is an example of using this class. This use also implements RootAction to bind this repository at
http://server/jenkins/userContent.git, and This combination is fairly common.
The other class of interest is
RepositoryResolver. Git server plugin adds necessary Jenkins SSH CLI hook for exposing Git repositories over SSH. The only missing link here is that when the client runs
git clone ssh://server/foo/bar/zot.git, we need to figure out what repositories on the server corresponds to
/foo/bar/zot.git, and that's what the
RepositoryResolver extension point does. The sample implementation in
git-userContent-plugin will be hopefully self-explanatory. In this case,
GitUserContentRepository is a singleton (because it's
RootAction), so we inject that and basically just delegate the calls to it.
Use Jenkins Bugtracker to report issues or feature requests (project =
JENKINS, component =