private RevisionState getLastState(final Run<?, ?> lastBuild) {
if (lastBuild == null) {
return null;
}
final RevisionState lastState = lastBuild.getAction(RevisionState.class);
if (lastState != null && lastState.getBranch() == manifestBranch) {
return lastState;
}
return getLastState(lastBuild.getPreviousBuild());
}
@Override
protected PollingResult compareRemoteRevisionWith(
final AbstractProject<?, ?> project,
final Launcher launcher,
final FilePath workspace,
final TaskListener listener,
final SCMRevisionState baseline)
throws IOException, InterruptedException {
SCMRevisionState myBaseline = baseline;
if (myBaseline == null) {
// Probably the first build, or possibly an aborted build.
myBaseline = getLastState(project.getLastBuild());
if (myBaseline == null) {
return PollingResult.BUILD_NOW;
}
}
FilePath repoDir;
if (destinationDir != null) {
repoDir = workspace.child(destinationDir);
if (!repoDir.isDirectory()) {
repoDir.mkdirs();
}
} else {
repoDir = workspace;
}
if (!checkoutCode(launcher, repoDir, listener.getLogger())) {
// Some error occurred, try a build now so it gets logged.
return new PollingResult(myBaseline, myBaseline, Change.INCOMPARABLE);
}
final RevisionState currentState =
new RevisionState(
getStaticManifest(launcher, repoDir, listener.getLogger()),
manifestBranch,
listener.getLogger());
final Change change;
if (currentState.equals(myBaseline)) {
change = Change.NONE;
} else {
change = Change.SIGNIFICANT;
}
return new PollingResult(myBaseline, currentState, change);
}
