/** Uses generatedJobs as existing data, so call before updating generatedJobs. */
private Set<String> updateTemplates(
AbstractBuild<?, ?> build, BuildListener listener, Set<GeneratedJob> freshJobs)
throws IOException {
AbstractProject<?, ?> seedJob = build.getProject();
Set<String> freshTemplates = getTemplates(freshJobs);
Set<String> existingTemplates =
getTemplates(extractGeneratedObjects(seedJob, GeneratedJobsAction.class));
Set<String> newTemplates = Sets.difference(freshTemplates, existingTemplates);
Set<String> removedTemplates = Sets.difference(existingTemplates, freshTemplates);
logItems(listener, "Existing templates", existingTemplates);
logItems(listener, "New templates", newTemplates);
logItems(listener, "Unreferenced templates", removedTemplates);
// Collect information about the templates we loaded
final String seedJobName = seedJob.getName();
DescriptorImpl descriptor = Jenkins.getInstance().getDescriptorByType(DescriptorImpl.class);
boolean descriptorMutated = false;
// Clean up
for (String templateName : removedTemplates) {
Collection<SeedReference> seedJobReferences =
descriptor.getTemplateJobMap().get(templateName);
Collection<SeedReference> matching =
Collections2.filter(seedJobReferences, new SeedNamePredicate(seedJobName));
if (!matching.isEmpty()) {
seedJobReferences.removeAll(matching);
descriptorMutated = true;
}
}
// Ensure we have a reference
for (String templateName : freshTemplates) {
Collection<SeedReference> seedJobReferences =
descriptor.getTemplateJobMap().get(templateName);
Collection<SeedReference> matching =
Collections2.filter(seedJobReferences, new SeedNamePredicate(seedJobName));
AbstractProject templateProject =
getLookupStrategy().getItem(seedJob, templateName, AbstractProject.class);
final String digest =
Util.getDigestOf(new FileInputStream(templateProject.getConfigFile().getFile()));
if (matching.size() == 1) {
// Just update digest
SeedReference ref = Iterables.get(matching, 0);
if (digest.equals(ref.getDigest())) {
ref.setDigest(digest);
descriptorMutated = true;
}
} else {
if (matching.size() > 1) {
// Not sure how there could be more one, throw it all away and start over
seedJobReferences.removeAll(matching);
}
seedJobReferences.add(new SeedReference(templateName, seedJobName, digest));
descriptorMutated = true;
}
}
if (descriptorMutated) {
descriptor.save();
}
return freshTemplates;
}
