Support was previously added for the other multibranch pipeline scms,
but not for gerrit. This change makes adds support for available git
extensions to the gerrit multibranch pipeline scm.
Previous review: https://review.opendev.org/c/jjb/jenkins-job-builder/+/601323
Change-Id: Ie7553ff310e844bbe912b694b09f97450c609491
Signed-off-by: Pat Long <pllong@arista.com>
The GerritSCMSource type for the multibranch pipeline does not
belong to the 'gerrit' plugin but rather to the 'gerrit-code-review'
plugin.
Change-Id: I5edd81a3506847c3e5910ad66d4498a2b8c899e9
Calculate a stable identifier based on required parameters that make
up the identity of the repository so that jenkins will only require
rescanning the repository if the repository was changed.
Change-Id: I83da1d2478f2771e9c7808e7dbd9e6bcba5025f7
Task: 22887
Story: 2002910
Johannes Carlsson