// the RevWalk must be reset by the caller upon return!
private ArrayList<RevCommit> findCommits(
RevWalk walk,
ArrayList<RevCommit> included,
ArrayList<RevCommit> excluded,
boolean getBody,
long after)
throws MissingObjectException, IncorrectObjectTypeException, IOException {
ArrayList<RevCommit> commits = new ArrayList<RevCommit>();
commits.ensureCapacity(allBranches.size()); // heuristic workaround
walk.sort(RevSort.COMMIT_TIME_DESC, true);
walk.sort(RevSort.TOPO, true);
walk.setRetainBody(getBody);
if (after > 0) walk.setRevFilter(CommitTimeRevFilter.after(after));
else walk.setRevFilter(null);
walk.markStart(included);
RevCommit c;
Iterator<RevCommit> it = excluded.iterator();
while (it.hasNext()) {
walk.markUninteresting(it.next());
}
it = walk.iterator();
while (it.hasNext()) {
c = it.next();
if (getBody) walk.parseBody(c);
// addUnique(commits, c); // commits are naturally ordered by SHA-1
commits.add(c);
}
return commits.size() > 0 ? commits : null;
}
private void negotiateBegin() throws IOException {
walk.resetRetain(REACHABLE, ADVERTISED);
walk.markStart(reachableCommits);
walk.sort(RevSort.COMMIT_TIME_DESC);
walk.setRevFilter(
new RevFilter() {
@Override
public RevFilter clone() {
return this;
}
@Override
public boolean include(final RevWalk walker, final RevCommit c) {
final boolean remoteKnowsIsCommon = c.has(COMMON);
if (c.has(ADVERTISED)) {
// Remote advertised this, and we have it, hence common.
// Whether or not the remote knows that fact is tested
// before we added the flag. If the remote doesn't know
// we have to still send them this object.
//
c.add(COMMON);
}
return !remoteKnowsIsCommon;
}
});
}
/**
* Parses an array of Git commits and returns an array of commits that affected the specified
* object.
*
* @param repository the Git repository
* @param commitIds the Git commit IDs to parse
* @param path the object affected
* @return an array of {@link GitCommit} objects representing the commits
*/
public NSArray<GitCommit> commitsWithIds(NSArray<ObjectId> commitIds, String path) {
try {
RevWalk rw = new RevWalk(repository);
try {
rw.sort(RevSort.COMMIT_TIME_DESC);
if (path != null) {
rw.setTreeFilter(
AndTreeFilter.create(PathSuffixFilter.create(path), TreeFilter.ANY_DIFF));
} else {
rw.setTreeFilter(TreeFilter.ALL);
}
for (ObjectId commitId : commitIds) {
rw.markStart(rw.parseCommit(commitId));
}
NSMutableArray<GitCommit> commits = new NSMutableArray<GitCommit>();
for (RevCommit commit : rw) {
commits.add(new GitCommit(commit));
}
return commits;
} finally {
rw.release();
}
} catch (Exception e) {
log.error("An exception occurred while parsing the commit: ", e);
return null;
}
}
/**
* Returns a list of commits since the minimum date starting from the specified object id.
*
* @param repository
* @param objectId if unspecified, HEAD is assumed.
* @param minimumDate
* @return list of commits
*/
public static List<RevCommit> getRevLog(
Repository repository, String objectId, Date minimumDate) {
List<RevCommit> list = new ArrayList<RevCommit>();
if (!hasCommits(repository)) {
return list;
}
try {
// resolve branch
ObjectId branchObject;
if (objectId == null) {
branchObject = getDefaultBranch(repository);
} else {
branchObject = repository.resolve(objectId);
}
RevWalk rw = new RevWalk(repository);
rw.markStart(rw.parseCommit(branchObject));
rw.setRevFilter(CommitTimeRevFilter.after(minimumDate));
Iterable<RevCommit> revlog = rw;
for (RevCommit rev : revlog) {
list.add(rev);
}
rw.dispose();
} catch (Throwable t) {
// todo
Logger.error(t, t.getMessage());
}
return list;
}
public void markCleanMerges(
final RevWalk rw,
final RevFlag canMergeFlag,
final CodeReviewCommit mergeTip,
final Set<RevCommit> alreadyAccepted)
throws IntegrationException {
if (mergeTip == null) {
// If mergeTip is null here, branchTip was null, indicating a new branch
// at the start of the merge process. We also elected to merge nothing,
// probably due to missing dependencies. Nothing was cleanly merged.
//
return;
}
try {
rw.resetRetain(canMergeFlag);
rw.sort(RevSort.TOPO);
rw.sort(RevSort.REVERSE, true);
rw.markStart(mergeTip);
for (RevCommit c : alreadyAccepted) {
rw.markUninteresting(c);
}
CodeReviewCommit c;
while ((c = (CodeReviewCommit) rw.next()) != null) {
if (c.getPatchsetId() != null) {
c.setStatusCode(CommitMergeStatus.CLEAN_MERGE);
}
}
} catch (IOException e) {
throw new IntegrationException("Cannot mark clean merges", e);
}
}
protected List<RevCommit> getRemoteLog(Project.NameKey project, String branch)
throws IOException {
try (Repository repo = repoManager.openRepository(project);
RevWalk rw = new RevWalk(repo)) {
rw.markStart(rw.parseCommit(repo.getRef("refs/heads/" + branch).getObjectId()));
return Lists.newArrayList(rw);
}
}
/**
* Returns a list of commits for the repository or a path within the repository. Caller may
* specify ending revision with objectId. Caller may specify offset and maxCount to achieve
* pagination of results. If the repository does not exist or is empty, an empty list is returned.
*
* @param repository
* @param objectId if unspecified, HEAD is assumed.
* @param path if unspecified, commits for repository are returned. If specified, commits for the
* path are returned.
* @param offset
* @param maxCount if < 0, all commits are returned.
* @return a paged list of commits
*/
public static List<RevCommit> getRevLog(
Repository repository, String objectId, String path, int offset, int maxCount) {
List<RevCommit> list = new ArrayList<RevCommit>();
if (maxCount == 0) {
return list;
}
if (!hasCommits(repository)) {
return list;
}
try {
// resolve branch
ObjectId branchObject;
if (objectId == null) {
branchObject = getDefaultBranch(repository);
} else {
branchObject = repository.resolve(objectId);
}
RevWalk rw = new RevWalk(repository);
rw.markStart(rw.parseCommit(branchObject));
if (!(path == null)) {
TreeFilter filter =
AndTreeFilter.create(
PathFilterGroup.createFromStrings(Collections.singleton(path)),
TreeFilter.ALL); // TreeFilter.ANY_DIFF
rw.setTreeFilter(filter);
}
Iterable<RevCommit> revlog = rw;
if (offset > 0) {
int count = 0;
for (RevCommit rev : revlog) {
count++;
if (count > offset) {
list.add(rev);
if (maxCount > 0 && list.size() == maxCount) {
break;
}
}
}
} else {
for (RevCommit rev : revlog) {
list.add(rev);
if (maxCount > 0 && list.size() == maxCount) {
break;
}
}
}
rw.dispose();
} catch (Throwable t) {
// todo
Logger.error(t, t.getMessage());
}
return list;
}
private static boolean isReachable(Repository repo, AnyObjectId id) throws IOException {
try (RevWalk rw = new RevWalk(repo)) {
for (Ref ref : repo.getAllRefs().values()) {
rw.markStart(rw.parseCommit(ref.getObjectId()));
}
for (RevCommit next; (next = rw.next()) != null; ) {
if (AnyObjectId.equals(next, id)) {
return true;
}
}
}
return false;
}
private void markReachable(final Set<ObjectId> have, final int maxTime) throws IOException {
for (final Ref r : local.getAllRefs().values()) {
try {
final RevCommit o = walk.parseCommit(r.getObjectId());
o.add(REACHABLE);
reachableCommits.add(o);
} catch (IOException readError) {
// If we cannot read the value of the ref skip it.
}
}
for (final ObjectId id : have) {
try {
final RevCommit o = walk.parseCommit(id);
o.add(REACHABLE);
reachableCommits.add(o);
} catch (IOException readError) {
// If we cannot read the value of the ref skip it.
}
}
if (maxTime > 0) {
// Mark reachable commits until we reach maxTime. These may
// wind up later matching up against things we want and we
// can avoid asking for something we already happen to have.
//
final Date maxWhen = new Date(maxTime * 1000L);
walk.sort(RevSort.COMMIT_TIME_DESC);
walk.markStart(reachableCommits);
walk.setRevFilter(CommitTimeRevFilter.after(maxWhen));
for (; ; ) {
final RevCommit c = walk.next();
if (c == null) break;
if (c.has(ADVERTISED) && !c.has(COMMON)) {
// This is actually going to be a common commit, but
// our peer doesn't know that fact yet.
//
c.add(COMMON);
c.carry(COMMON);
reachableCommits.add(c);
}
}
}
}
/**
* Configure the generator to compute reverse blame (history of deletes).
*
* <p>This method is expensive as it immediately runs a RevWalk over the history spanning the
* expression {@code start..end} (end being more recent than start) and then performs the
* equivalent operation as {@link #push(String, AnyObjectId)} to begin blame traversal from the
* commit named by {@code start} walking forwards through history until {@code end} blaming line
* deletions.
*
* <p>A reverse blame may produce multiple sources for the same result line, each of these is a
* descendant commit that removed the line, typically this occurs when the same deletion appears
* in multiple side branches such as due to a cherry-pick. Applications relying on reverse should
* use {@link BlameResult} as it filters these duplicate sources and only remembers the first
* (oldest) deletion.
*
* @param start oldest commit to traverse from. The result file will be loaded from this commit's
* tree.
* @param end most recent commits to stop traversal at. Usually an active branch tip, tag, or
* HEAD.
* @return {@code this}
* @throws IOException the repository cannot be read.
*/
public BlameGenerator reverse(AnyObjectId start, Collection<? extends ObjectId> end)
throws IOException {
initRevPool(true);
ReverseCommit result = (ReverseCommit) revPool.parseCommit(start);
if (!find(result, resultPath)) return this;
revPool.markUninteresting(result);
for (ObjectId id : end) revPool.markStart(revPool.parseCommit(id));
while (revPool.next() != null) {
// just pump the queue
}
ReverseCandidate c = new ReverseCandidate(result, resultPath);
c.sourceBlob = idBuf.toObjectId();
c.loadText(reader);
c.regionList = new Region(0, 0, c.sourceText.size());
remaining = c.sourceText.size();
push(c);
return this;
}
protected static RevCommit resolveCommitIdByTagName(Repository repository, String tagName)
throws IOException, GitAPIException {
if (tagName == null || tagName.isEmpty()) return null;
RevCommit revCommit = null;
Map<String, Ref> tagMap = repository.getTags();
Ref ref = tagMap.get(tagName);
if (ref != null) {
RevWalk walk = new RevWalk(repository);
// some reduce memory effors as described in jgit user guide
walk.setRetainBody(false);
ObjectId from;
from = repository.resolve("refs/heads/master");
if (from == null) {
Git git = new Git(repository);
String lastTagName = git.describe().call();
from = repository.resolve("refs/tags/" + lastTagName);
}
ObjectId to = repository.resolve("refs/remotes/origin/master");
if (from == null) {
throw new IllegalStateException("cannot determinate start commit");
}
walk.markStart(walk.parseCommit(from));
walk.markUninteresting(walk.parseCommit(to));
try {
RevObject revObject = walk.parseAny(ref.getObjectId());
if (revObject != null) {
revCommit = walk.parseCommit(revObject.getId());
}
} finally {
walk.close();
}
}
return revCommit;
}
@NotNull
public SortedSet<RevCommit> calculate(@NotNull String branchName, @Nullable RevFilter revFilter)
throws IOException {
Ref head = myRepository.getRef(branchName);
if (head == null) {
throw new IllegalArgumentException("Branch does not exist: [branchName: " + branchName + "]");
}
myRevWalk.markStart(myRevWalk.parseCommit(head.getObjectId()));
myRevWalk.setRevFilter(revFilter);
SortedSet<RevCommit> roots = new TreeSet<>(REV_COMMIT_COMPARATOR);
for (RevCommit commit : myRevWalk) {
roots.add(commit);
}
myRevWalk.reset();
myRevWalk.dispose();
return roots;
}
/**
* Create an iterator to walk the merge base of two commits.
*
* @param aIdx index of the first commit in {@link #sourceObjects}.
* @param bIdx index of the second commit in {@link #sourceObjects}.
* @return the new iterator
* @throws IncorrectObjectTypeException one of the input objects is not a commit.
* @throws IOException objects are missing or multiple merge bases were found.
*/
protected AbstractTreeIterator mergeBase(final int aIdx, final int bIdx) throws IOException {
if (sourceCommits[aIdx] == null)
throw new IncorrectObjectTypeException(sourceObjects[aIdx], Constants.TYPE_COMMIT);
if (sourceCommits[bIdx] == null)
throw new IncorrectObjectTypeException(sourceObjects[bIdx], Constants.TYPE_COMMIT);
walk.reset();
walk.setRevFilter(RevFilter.MERGE_BASE);
walk.markStart(sourceCommits[aIdx]);
walk.markStart(sourceCommits[bIdx]);
final RevCommit base = walk.next();
if (base == null) return new EmptyTreeIterator();
final RevCommit base2 = walk.next();
if (base2 != null) {
throw new IOException(
MessageFormat.format(
JGitText.get().multipleMergeBasesFor,
sourceCommits[aIdx].name(),
sourceCommits[bIdx].name(),
base.name(),
base2.name()));
}
return openTree(base.getTree());
}
// printout all commit messages in a given range -> expensive: creates a one-time only RevWalk
void printCommits(String outFile, String from_ref, String to_ref)
throws IOException, NoHeadException, GitAPIException {
AnyObjectId from = git.getRepository().resolve(from_ref);
AnyObjectId to =
(to_ref == null || to_ref.equals("")) ? null : git.getRepository().resolve(to_ref);
RevWalk walk = new RevWalk(git.getRepository());
walk.sort(RevSort.COMMIT_TIME_DESC, true);
walk.sort(RevSort.TOPO, true);
walk.markStart(walk.parseCommit(from));
if (to != null) walk.markUninteresting(walk.parseCommit(to));
printCommits(outFile, walk);
walk.dispose();
// PrintWriter pout = new PrintWriter(new FileWriter(outFile), true);
// Iterator<RevCommit> itc = git.log().add(from).call().iterator();
// RevCommit c;
// while (itc.hasNext()) {
// c = itc.next();
// pout.println("===========\n" + printCommit(c));
// if (to != null && c.equals(to)) break;
// }
// pout.close();
}
public String getProjectVersion(File repoDir) throws IOException, GitAPIException {
Git git = Git.open(repoDir);
Repository repo = git.getRepository();
// Find base commit between current branch and "master":
String branch = repo.getBranch();
RevCommit base = CommitUtils.getBase(repo, "master", branch);
CommitCountFilter count = new CommitCountFilter();
CommitFinder finder = new CommitFinder(repo).setFilter(count);
finder.findBetween(branch, base);
long commitsSinceBase = count.getCount();
// Find tags in "master" before base commit:
RevWalk rw = new RevWalk(repo);
rw.markStart(base);
rw.setRetainBody(false);
Ref master = repo.getRef("master");
List<Ref> masterAsList = Arrays.asList(master);
List<Ref> tags = git.tagList().call();
Map<RevCommit, Ref> masterTags = new HashMap<RevCommit, Ref>();
for (Ref tag : tags) {
tag = repo.peel(tag);
ObjectId commitID = tag.getPeeledObjectId();
if (commitID == null) continue;
RevCommit commit = rw.parseCommit(commitID);
// Only remember tags reachable from "master":
if (!RevWalkUtils.findBranchesReachableFrom(commit, rw, masterAsList).isEmpty()) {
masterTags.put(commit, tag);
}
}
// Find the shortest distance in commits between base tag in "master":
long commitsBetweenBaseAndTag = Long.MAX_VALUE;
String tagName = "";
for (RevCommit tagCommit : masterTags.keySet()) {
count.reset();
finder.findBetween(base, tagCommit);
if (count.getCount() < commitsBetweenBaseAndTag) {
commitsBetweenBaseAndTag = count.getCount();
tagName = masterTags.get(tagCommit).getName();
}
}
if (commitsBetweenBaseAndTag == Long.MAX_VALUE) {
// If no tag, get total number of commits:
commitsBetweenBaseAndTag = repo.getRefDatabase().getRefs("").size();
}
long commitsSinceLastMasterTag = commitsSinceBase + commitsBetweenBaseAndTag;
// Construct version string:
String version = branch.equals("master") ? "" : (branch + "-");
if (tagName.startsWith("refs/tags/")) {
tagName = tagName.substring("refs/tags/".length());
}
// v1.1 -> 1.1
if (tagName.matches("v\\d+.*")) {
tagName = tagName.substring(1);
}
if (tagName.isEmpty()) {
version = "0";
}
version += tagName + ((!tagonly) ? "." + commitsSinceLastMasterTag : "");
return version;
}
/**
* Update the submodules in one branch of one repository.
*
* @param subscriber the branch of the repository which should be changed.
* @param updates submodule updates which should be updated to.
* @throws SubmoduleException
*/
private void updateGitlinks(
ReviewDb db, Branch.NameKey subscriber, Collection<SubmoduleSubscription> updates)
throws SubmoduleException {
PersonIdent author = null;
Repository pdb = null;
RevWalk recRw = null;
StringBuilder msgbuf = new StringBuilder("Updated git submodules\n\n");
try {
boolean sameAuthorForAll = true;
pdb = repoManager.openRepository(subscriber.getParentKey());
if (pdb.getRef(subscriber.get()) == null) {
throw new SubmoduleException(
"The branch was probably deleted from the subscriber repository");
}
DirCache dc = readTree(pdb, pdb.getRef(subscriber.get()));
DirCacheEditor ed = dc.editor();
for (SubmoduleSubscription s : updates) {
try (Repository subrepo = repoManager.openRepository(s.getSubmodule().getParentKey());
RevWalk rw = CodeReviewCommit.newRevWalk(subrepo)) {
Ref ref = subrepo.getRefDatabase().exactRef(s.getSubmodule().get());
if (ref == null) {
ed.add(new DeletePath(s.getPath()));
continue;
}
final ObjectId updateTo = ref.getObjectId();
RevCommit newCommit = rw.parseCommit(updateTo);
if (author == null) {
author = newCommit.getAuthorIdent();
} else if (!author.equals(newCommit.getAuthorIdent())) {
sameAuthorForAll = false;
}
DirCacheEntry dce = dc.getEntry(s.getPath());
ObjectId oldId = null;
if (dce != null) {
if (!dce.getFileMode().equals(FileMode.GITLINK)) {
log.error(
"Requested to update gitlink "
+ s.getPath()
+ " in "
+ s.getSubmodule().getParentKey().get()
+ " but entry "
+ "doesn't have gitlink file mode.");
continue;
}
oldId = dce.getObjectId();
} else {
// This submodule did not exist before. We do not want to add
// the full submodule history to the commit message, so omit it.
oldId = updateTo;
}
ed.add(
new PathEdit(s.getPath()) {
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(FileMode.GITLINK);
ent.setObjectId(updateTo);
}
});
if (verboseSuperProject) {
msgbuf.append("Project: " + s.getSubmodule().getParentKey().get());
msgbuf.append(" " + s.getSubmodule().getShortName());
msgbuf.append(" " + updateTo.getName());
msgbuf.append("\n\n");
try {
rw.markStart(newCommit);
if (oldId != null) {
rw.markUninteresting(rw.parseCommit(oldId));
}
for (RevCommit c : rw) {
msgbuf.append(c.getFullMessage() + "\n\n");
}
} catch (IOException e) {
logAndThrowSubmoduleException(
"Could not perform a revwalk to " + "create superproject commit message", e);
}
}
}
}
ed.finish();
if (!sameAuthorForAll || author == null) {
author = myIdent;
}
ObjectInserter oi = pdb.newObjectInserter();
ObjectId tree = dc.writeTree(oi);
ObjectId currentCommitId = pdb.getRef(subscriber.get()).getObjectId();
CommitBuilder commit = new CommitBuilder();
commit.setTreeId(tree);
commit.setParentIds(new ObjectId[] {currentCommitId});
commit.setAuthor(author);
commit.setCommitter(myIdent);
commit.setMessage(msgbuf.toString());
oi.insert(commit);
oi.flush();
ObjectId commitId = oi.idFor(Constants.OBJ_COMMIT, commit.build());
final RefUpdate rfu = pdb.updateRef(subscriber.get());
rfu.setForceUpdate(false);
rfu.setNewObjectId(commitId);
rfu.setExpectedOldObjectId(currentCommitId);
rfu.setRefLogMessage("Submit to " + subscriber.getParentKey().get(), true);
switch (rfu.update()) {
case NEW:
case FAST_FORWARD:
gitRefUpdated.fire(subscriber.getParentKey(), rfu);
changeHooks.doRefUpdatedHook(subscriber, rfu, account);
// TODO since this is performed "in the background" no mail will be
// sent to inform users about the updated branch
break;
default:
throw new IOException(rfu.getResult().name());
}
recRw = new RevWalk(pdb);
// Recursive call: update subscribers of the subscriber
updateSuperProjects(db, Sets.newHashSet(subscriber));
} catch (IOException e) {
throw new SubmoduleException("Cannot update gitlinks for " + subscriber.get(), e);
} finally {
if (recRw != null) {
recRw.close();
}
if (pdb != null) {
pdb.close();
}
}
}
/**
* Process the EGit history associated with a given project.
*
* @param selectedProject selected project, presumably an object contribution selection
* @throws CoreException
* @throws IOException
*/
public void processHistory(IProject selectedProject, IProgressMonitor monitor)
throws CoreException, IOException {
// find the repository mapping for the project
// if none found, return
RepositoryMapping repositoryMapping = RepositoryMapping.getMapping((IResource) selectedProject);
if (repositoryMapping == null) {
CertWareLog.logWarning(
String.format("%s %s", "Missing repository for project", selectedProject.getName()));
return;
}
// build the commit history model, load it from the tree walk
final CommitHistory commitHistory = ScoFactory.eINSTANCE.createCommitHistory();
Repository repo = repositoryMapping.getRepository();
RevWalk revWalk = new RevWalk(repo);
ObjectId headObject = repo.resolve("HEAD");
revWalk.markStart(revWalk.parseCommit(headObject));
final Set<String> repositoryPaths =
Collections.singleton(repositoryMapping.getRepoRelativePath(selectedProject));
revWalk.setTreeFilter(PathFilterGroup.createFromStrings(repositoryPaths));
for (RevCommit commit : revWalk) {
String commitName = commit.getName();
ArtifactCommit artifactCommit = ScoFactory.eINSTANCE.createArtifactCommit();
artifactCommit.setCommitIdentifier(commitName);
commitHistory.getCommitRecord().add(artifactCommit);
}
revWalk.dispose();
// use the Git provider to find the file history, then converge into the model
GitProvider provider = (GitProvider) RepositoryProvider.getProvider(selectedProject);
IFileHistoryProvider fileHistoryProvider = provider.getFileHistoryProvider();
IResource[] projectMembers = selectedProject.members();
monitor.beginTask("Processing project resources", projectMembers.length);
for (IResource resource : projectMembers) {
processResource(resource, fileHistoryProvider, commitHistory, monitor);
monitor.worked(1);
if (monitor.isCanceled()) {
return;
}
}
// model complete with commit history and associated file sizes
// write the resulting model to an SCO file
// expecting preference to have no extension, so add it if necessary
IPreferenceStore store = Activator.getDefault().getPreferenceStore();
String fileName = store.getString(PreferenceConstants.P_FILENAME_SCO);
if (fileName.endsWith(ICertWareConstants.SCO_EXTENSION) == false) {
fileName = fileName + '.' + ICertWareConstants.SCO_EXTENSION;
}
// fully specify the path to the new file given the container project
final String modelFile =
selectedProject.getFullPath().toPortableString() + IPath.SEPARATOR + fileName;
// create the resource in a workspace modify operation
WorkspaceModifyOperation operation =
new WorkspaceModifyOperation() {
@Override
protected void execute(IProgressMonitor progressMonitor) {
try {
// create a resource set and resource for a new file
ResourceSet resourceSet = new ResourceSetImpl();
URI fileURI = URI.createPlatformResourceURI(modelFile, true);
Resource resource = resourceSet.createResource(fileURI);
resource.getContents().add(commitHistory);
// save the contents of the resource to the file system
Map<Object, Object> options = new HashMap<Object, Object>();
options.put(XMLResource.OPTION_ENCODING, FILE_ENCODING);
resource.save(options);
} catch (Exception e) {
CertWareLog.logError(String.format("%s %s", "Saving SCO file", modelFile), e);
}
}
};
// modify the workspace
try {
operation.run(monitor);
} catch (Exception e) {
CertWareLog.logError(
String.format("%s %s", "Modifying workspace for", selectedProject.getName()), e);
}
monitor.done();
}
@Override
public void execute() throws BuildException {
if (_property == null) {
throw new BuildException("Property attribute is required", getLocation());
}
if (_path == null) {
throw new BuildException("Path attribute is required", getLocation());
}
File gitDir = PathUtil.getGitDir(_gitDir, getProject(), getLocation());
String relativePath = PathUtil.toRelativePath(gitDir, _path);
if (_useCache) {
String hash = _hashes.get(relativePath);
if (hash != null) {
Project currentProject = getProject();
currentProject.setNewProperty(_property, hash);
return;
}
}
try (Repository repository = RepositoryCache.open(FileKey.exact(gitDir, FS.DETECTED))) {
RevWalk revWalk = new RevWalk(repository);
revWalk.setRetainBody(false);
revWalk.markStart(revWalk.parseCommit(repository.resolve(Constants.HEAD)));
if (_ignoreFileName == null) {
revWalk.setRevFilter(MaxCountRevFilter.create(1));
} else {
revWalk.setRevFilter(MaxCountRevFilter.create(2));
}
revWalk.setTreeFilter(
AndTreeFilter.create(PathFilter.create(relativePath), TreeFilter.ANY_DIFF));
RevCommit revCommit = revWalk.next();
if (revCommit == null) {
throw new IllegalStateException("Unable to find any commit under " + _path);
}
if (hasIgnoreFile(repository, revCommit, relativePath)) {
RevCommit secondRevCommit = revWalk.next();
if (secondRevCommit != null) {
revCommit = secondRevCommit;
}
}
Project currentProject = getProject();
String hash = revCommit.name();
currentProject.setNewProperty(_property, hash);
if (_useCache) {
_hashes.put(relativePath, hash);
}
revWalk.dispose();
} catch (Exception e) {
throw new BuildException("Unable to get head hash for path " + _path, e);
}
}
