@CheckForNull
@Override
protected SCMRevision retrieve(@NonNull SCMHead head, @NonNull TaskListener listener)
throws IOException, InterruptedException {
String cacheEntry = getCacheEntry();
Lock cacheLock = getCacheLock(cacheEntry);
cacheLock.lock();
try {
File cacheDir = getCacheDir(cacheEntry);
Git git =
Git.with(listener, new EnvVars(System.getenv()))
.in(cacheDir)
.using(GitTool.getDefaultInstallation().getGitExe());
GitClient client = git.getClient();
client.addDefaultCredentials(getCredentials());
if (!client.hasGitRepo()) {
listener.getLogger().println("Creating git repository in " + cacheDir);
client.init();
}
String remoteName = getRemoteName();
listener.getLogger().println("Setting " + remoteName + " to " + getRemote());
client.setRemoteUrl(remoteName, getRemote());
listener.getLogger().println("Fetching " + remoteName + "...");
List<RefSpec> refSpecs = getRefSpecs();
client.fetch(remoteName, refSpecs.toArray(new RefSpec[refSpecs.size()]));
// we don't prune remotes here, as we just want one head's revision
for (Branch b : client.getRemoteBranches()) {
String branchName = StringUtils.removeStart(b.getName(), remoteName + "/");
if (branchName.equals(head.getName())) {
return new SCMRevisionImpl(head, b.getSHA1String());
}
}
return null;
} finally {
cacheLock.unlock();
}
}
@NonNull
@Override
protected void retrieve(@NonNull final SCMHeadObserver observer, @NonNull TaskListener listener)
throws IOException, InterruptedException {
String cacheEntry = getCacheEntry();
Lock cacheLock = getCacheLock(cacheEntry);
cacheLock.lock();
try {
File cacheDir = getCacheDir(cacheEntry);
Git git =
Git.with(listener, new EnvVars(System.getenv()))
.in(cacheDir)
.using(GitTool.getDefaultInstallation().getGitExe());
GitClient client = git.getClient();
client.addDefaultCredentials(getCredentials());
if (!client.hasGitRepo()) {
listener.getLogger().println("Creating git repository in " + cacheDir);
client.init();
}
String remoteName = getRemoteName();
listener.getLogger().println("Setting " + remoteName + " to " + getRemote());
client.setRemoteUrl(remoteName, getRemote());
listener.getLogger().println("Fetching " + remoteName + "...");
List<RefSpec> refSpecs = getRefSpecs();
client.fetch(remoteName, refSpecs.toArray(new RefSpec[refSpecs.size()]));
listener.getLogger().println("Pruning stale remotes...");
final Repository repository = client.getRepository();
try {
client.prune(new RemoteConfig(repository.getConfig(), remoteName));
} catch (UnsupportedOperationException e) {
e.printStackTrace(listener.error("Could not prune stale remotes"));
} catch (URISyntaxException e) {
e.printStackTrace(listener.error("Could not prune stale remotes"));
}
listener.getLogger().println("Getting remote branches...");
SCMSourceCriteria branchCriteria = getCriteria();
RevWalk walk = new RevWalk(repository);
try {
walk.setRetainBody(false);
for (Branch b : client.getRemoteBranches()) {
if (!b.getName().startsWith(remoteName + "/")) {
continue;
}
final String branchName = StringUtils.removeStart(b.getName(), remoteName + "/");
listener.getLogger().println("Checking branch " + branchName);
if (isExcluded(branchName)) {
continue;
}
if (branchCriteria != null) {
RevCommit commit = walk.parseCommit(b.getSHA1());
final long lastModified = TimeUnit.SECONDS.toMillis(commit.getCommitTime());
final RevTree tree = commit.getTree();
SCMSourceCriteria.Probe probe =
new SCMSourceCriteria.Probe() {
@Override
public String name() {
return branchName;
}
@Override
public long lastModified() {
return lastModified;
}
@Override
public boolean exists(@NonNull String path) throws IOException {
TreeWalk tw = TreeWalk.forPath(repository, path, tree);
try {
return tw != null;
} finally {
if (tw != null) {
tw.release();
}
}
}
};
if (branchCriteria.isHead(probe, listener)) {
listener.getLogger().println("Met criteria");
} else {
listener.getLogger().println("Does not meet criteria");
continue;
}
}
SCMHead head = new SCMHead(branchName);
SCMRevision hash = new SCMRevisionImpl(head, b.getSHA1String());
observer.observe(head, hash);
if (!observer.isObserving()) {
return;
}
}
} finally {
walk.dispose();
}
listener.getLogger().println("Done.");
} finally {
cacheLock.unlock();
}
}