Support for filtering repositories in GitHub Organizations

Change-Id: I7758cf89bbaac6942bb7d8fc697f83b1b6466637

jenkins_jobs/modules/project_githuborg.py

@@ -206,6 +206,9 @@ def github_org(xml_parent, data):
         first be configured in Global Configuration. (default GitHub)
     :arg str branch-discovery: Discovers branches on the repository.
         Valid options: no-pr, only-pr, all, false. (default 'no-pr')
+    :arg str repo-name-regex: Regular expression used to match repository names
+        within the organization. (optional)
+        Requires the :jenkins-plugins:`SCM API plugin <scm-api>`.
     :arg list build-strategies: Provides control over whether to build a branch
         (or branch like things such as change requests and tags) whenever it is
         discovered initially or a change from the previous revision has been
@@ -384,6 +387,14 @@ def github_org(xml_parent, data):
         rshf = XML.SubElement(traits, "jenkins.scm.impl.trait.RegexSCMHeadFilterTrait")
         XML.SubElement(rshf, "regex").text = data.get("head-filter-regex")
 
+    if data.get("repo-name-regex", None):
+        rssf = XML.SubElement(
+            traits,
+            "jenkins.scm.impl.trait.RegexSCMSourceFilterTrait",
+            {"plugin": "scm-api"},
+        )
+        XML.SubElement(rssf, "regex").text = data.get("repo-name-regex")
+
     if data.get("head-pr-filter-behaviors", None):
         multibranch.add_filter_branch_pr_behaviors(
             traits, data.get("head-pr-filter-behaviors")

tests/githuborg/fixtures/github-org-full.xml

@@ -41,6 +41,9 @@
         <jenkins.scm.impl.trait.RegexSCMHeadFilterTrait>
           <regex>(.*/master|.*/release/.*)</regex>
         </jenkins.scm.impl.trait.RegexSCMHeadFilterTrait>
+        <jenkins.scm.impl.trait.RegexSCMSourceFilterTrait plugin="scm-api">
+          <regex>example-repo-name|fancy-regex*</regex>
+        </jenkins.scm.impl.trait.RegexSCMSourceFilterTrait>
         <net.gleske.scmfilter.impl.trait.RegexSCMHeadFilterTrait plugin="scm-filter-branch-pr">
           <regex>foo/.*</regex>
           <tagRegex>20\..*</tagRegex>

tests/githuborg/fixtures/github-org-full.yaml

@@ -7,6 +7,7 @@ github-org:
         repo-owner: example-owner
         credentials-id: example-credential
         branch-discovery: all
+        repo-name-regex: "example-repo-name|fancy-regex*"
         head-filter-regex: "(.*/master|.*/release/.*)"
         head-pr-filter-behaviors:
             head-pr-destined-regex: