@Override
protected IStatus performJob() {
try {
// list all tags
File gitDir = GitUtils.getGitDir(path);
Repository db = new FileRepository(gitDir);
Git git = new Git(db);
List<Ref> refs = git.tagList().call();
JSONObject result = new JSONObject();
List<Tag> tags = new ArrayList<Tag>();
for (Ref ref : refs) {
Tag tag = new Tag(cloneLocation, db, ref);
tags.add(tag);
}
Collections.sort(tags, Tag.COMPARATOR);
JSONArray children = new JSONArray();
int firstTag = pageSize > 0 ? pageSize * (pageNo - 1) : 0;
int lastTag = pageSize > 0 ? firstTag + pageSize - 1 : tags.size() - 1;
lastTag = lastTag > tags.size() - 1 ? tags.size() - 1 : lastTag;
if (pageNo > 1 && baseLocation != null) {
String prev = baseLocation + "?page=" + (pageNo - 1) + "&pageSize=" + pageSize;
if (commitsSize > 0) {
prev += "&" + GitConstants.KEY_TAG_COMMITS + "=" + commitsSize;
}
result.put(ProtocolConstants.KEY_PREVIOUS_LOCATION, prev);
}
if (lastTag < tags.size() - 1) {
String next = baseLocation + "?page=" + (pageNo + 1) + "&pageSize=" + pageSize;
if (commitsSize > 0) {
next += "&" + GitConstants.KEY_TAG_COMMITS + "=" + commitsSize;
}
result.put(ProtocolConstants.KEY_NEXT_LOCATION, next);
}
for (int i = firstTag; i <= lastTag; i++) {
Tag tag = tags.get(i);
if (this.commitsSize == 0) {
children.put(tag.toJSON());
} else {
// add info about commits if requested
LogCommand lc = git.log();
String toCommitName = tag.getRevCommitName();
ObjectId toCommitId = db.resolve(toCommitName);
Ref toCommitRef = db.getRef(toCommitName);
toCommitId = getCommitObjectId(db, toCommitId);
lc.add(toCommitId);
lc.setMaxCount(this.commitsSize);
Iterable<RevCommit> commits = lc.call();
Log log = new Log(cloneLocation, db, commits, null, null, toCommitRef);
children.put(tag.toJSON(log.toJSON(1, commitsSize)));
}
}
result.put(ProtocolConstants.KEY_CHILDREN, children);
result.put(ProtocolConstants.KEY_TYPE, Tag.TYPE);
return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, result);
} catch (Exception e) {
String msg = NLS.bind("An error occured when listing tags for {0}", path);
return new Status(IStatus.ERROR, GitActivator.PI_GIT, msg, e);
}
}
private boolean tag(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String commitId,
String tagName,
boolean isRoot)
throws JSONException, URISyntaxException, ServletException {
Git git = new Git(db);
RevWalk walk = new RevWalk(db);
try {
ObjectId objectId = db.resolve(commitId);
RevCommit revCommit = walk.lookupCommit(objectId);
walk.parseBody(revCommit);
GitTagHandlerV1.tag(git, revCommit, tagName);
URI cloneLocation =
BaseToCloneConverter.getCloneLocation(
getURI(request), BaseToCloneConverter.COMMIT_REFRANGE);
Commit commit = new Commit(cloneLocation, db, revCommit, null);
JSONObject result = commit.toJSON();
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (IOException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when tagging.",
e));
} catch (GitAPIException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when tagging.",
e));
} catch (CoreException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when tagging.",
e));
} finally {
walk.dispose();
}
}
private boolean cherryPick(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String commitToCherryPick)
throws ServletException, JSONException {
RevWalk revWalk = new RevWalk(db);
try {
Ref headRef = db.getRef(Constants.HEAD);
if (headRef == null)
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when cherry-picking.",
null));
RevCommit head = revWalk.parseCommit(headRef.getObjectId());
ObjectId objectId = db.resolve(commitToCherryPick);
Git git = new Git(db);
CherryPickResult cherryPickResult = git.cherryPick().include(objectId).call();
RevCommit newHead = cherryPickResult.getNewHead();
JSONObject result = new JSONObject();
result.put(GitConstants.KEY_RESULT, cherryPickResult.getStatus().name());
result.put(GitConstants.KEY_HEAD_UPDATED, !head.equals(newHead));
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (IOException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when cherry-picking.",
e));
} catch (GitAPIException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when cherry-picking.",
e));
} finally {
revWalk.release();
}
}
private AbstractTreeIterator getTreeIterator(Repository db, String name) throws IOException {
final ObjectId id = db.resolve(name);
if (id == null) throw new IllegalArgumentException(name);
final CanonicalTreeParser p = new CanonicalTreeParser();
final ObjectReader or = db.newObjectReader();
try {
p.reset(or, new RevWalk(db).parseTree(id));
return p;
} finally {
or.release();
}
}
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;
}
public static Set<String> extractJiraIssues(
Repository repository, String sinceTagName, String untilTagName, String pattern)
throws IOException, GitAPIException {
Git git = new Git(repository);
RevCommit startCommitId = resolveCommitIdByTagName(repository, sinceTagName);
if (startCommitId == null) {
throw new IOException("cannot resolveCommitIdByTagName by " + sinceTagName);
}
ObjectId endCommitId = resolveCommitIdByTagName(repository, untilTagName);
if (endCommitId == null) {
endCommitId = repository.resolve(Constants.HEAD);
}
Iterable<RevCommit> commits = git.log().addRange(startCommitId, endCommitId).call();
return extractJiraIssues(pattern, commits);
}
private boolean merge(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String commitToMerge,
boolean squash)
throws ServletException, JSONException {
try {
ObjectId objectId = db.resolve(commitToMerge);
Git git = new Git(db);
MergeResult mergeResult = git.merge().setSquash(squash).include(objectId).call();
JSONObject result = new JSONObject();
result.put(GitConstants.KEY_RESULT, mergeResult.getMergeStatus().name());
if (mergeResult.getFailingPaths() != null && !mergeResult.getFailingPaths().isEmpty())
result.put(GitConstants.KEY_FAILING_PATHS, mergeResult.getFailingPaths());
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (CheckoutConflictException e) {
return workaroundBug356918(request, response, e);
} catch (IOException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when merging.",
e));
} catch (GitAPIException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when merging.",
e));
}
}
private boolean handleGetCommitBody(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String ref,
String pattern)
throws IOException, ServletException, CoreException {
ObjectId refId = db.resolve(ref);
if (refId == null) {
String msg = NLS.bind("Failed to get commit body for ref {0}", ref);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
RevWalk walk = new RevWalk(db);
walk.setTreeFilter(
AndTreeFilter.create(
PathFilterGroup.createFromStrings(Collections.singleton(pattern)),
TreeFilter.ANY_DIFF));
RevCommit revCommit = walk.parseCommit(refId);
walk.dispose();
Commit commit = new Commit(null /* not needed */, db, revCommit, pattern);
ObjectStream stream = commit.toObjectStream();
if (stream == null) {
String msg = NLS.bind("Commit body for ref {0} not found", ref);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null));
}
IOUtilities.pipe(stream, response.getOutputStream(), true, false);
return true;
}
private boolean revert(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String commitToRevert)
throws ServletException, JSONException {
RevWalk revWalk = new RevWalk(db);
try {
Ref headRef = db.getRef(Constants.HEAD);
if (headRef == null)
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when reverting.",
null));
ObjectId objectId = db.resolve(commitToRevert);
Git git = new Git(db);
RevertCommand revertCommand = git.revert().include(objectId);
RevCommit revertedCommit = revertCommand.call();
if (revertedCommit == null) {
JSONObject result = new JSONObject();
result.put(GitConstants.KEY_RESULT, "FAILURE"); // $NON-NLS-1$
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
}
JSONObject result = new JSONObject();
result.put(GitConstants.KEY_RESULT, "OK"); // $NON-NLS-1$
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (IOException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when reverting.",
e));
} catch (GitAPIException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when reverting.",
e));
} finally {
revWalk.release();
}
}
private boolean rebase(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String commitToRebase,
String rebaseOperation)
throws ServletException, JSONException, AmbiguousObjectException, IOException {
JSONObject result = new JSONObject();
try {
Git git = new Git(db);
RebaseCommand rebase = git.rebase();
Operation operation;
if (rebaseOperation != null) {
operation = Operation.valueOf(rebaseOperation);
} else {
operation = Operation.BEGIN;
}
if (commitToRebase != null && !commitToRebase.isEmpty()) {
ObjectId objectId = db.resolve(commitToRebase);
rebase.setUpstream(objectId);
} else if (operation.equals(Operation.BEGIN)) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, "Missing commit refId.", null));
}
rebase.setOperation(operation);
RebaseResult rebaseResult = rebase.call();
result.put(GitConstants.KEY_RESULT, rebaseResult.getStatus().name());
} catch (UnmergedPathsException e) {
// this error should be handled by client, so return a proper status
result.put(GitConstants.KEY_RESULT, AdditionalRebaseStatus.FAILED_UNMERGED_PATHS.name());
} catch (WrongRepositoryStateException e) {
// this error should be handled by client, so return a proper status
result.put(
GitConstants.KEY_RESULT, AdditionalRebaseStatus.FAILED_WRONG_REPOSITORY_STATE.name());
} catch (IllegalArgumentException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, "Invalid rebase operation.", e));
} catch (GitAPIException e) {
// get cause and try to handle
if (e.getCause() instanceof org.eclipse.jgit.errors.CheckoutConflictException) {
// this error should be handled by client, so return a proper status
result.put(GitConstants.KEY_RESULT, AdditionalRebaseStatus.FAILED_PENDING_CHANGES.name());
} else {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when rebasing.",
e));
}
}
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
}
@Override
protected boolean handlePost(RequestInfo requestInfo) throws ServletException {
String gitSegment = requestInfo.gitSegment;
HttpServletRequest request = requestInfo.request;
HttpServletResponse response = requestInfo.response;
Repository db = requestInfo.db;
String pattern = requestInfo.relativePath;
JSONObject requestObject = requestInfo.getJSONRequest();
try {
String commitToMerge = requestObject.optString(GitConstants.KEY_MERGE, null);
if (commitToMerge != null) {
boolean squash = requestObject.optBoolean(GitConstants.KEY_SQUASH, false);
return merge(request, response, db, commitToMerge, squash);
}
String commitToRebase = requestObject.optString(GitConstants.KEY_REBASE, null);
String rebaseOperation = requestObject.optString(GitConstants.KEY_OPERATION, null);
if (commitToRebase != null) {
return rebase(request, response, db, commitToRebase, rebaseOperation);
}
String commitToCherryPick = requestObject.optString(GitConstants.KEY_CHERRY_PICK, null);
if (commitToCherryPick != null) {
return cherryPick(request, response, db, commitToCherryPick);
}
String commitToRevert = requestObject.optString(GitConstants.KEY_REVERT, null);
if (commitToRevert != null) {
return revert(request, response, db, commitToRevert);
}
String newCommit = requestObject.optString(GitConstants.KEY_COMMIT_NEW, null);
if (newCommit != null) return identifyNewCommitResource(request, response, db, newCommit);
String reviewReqLogin = requestObject.optString(GitConstants.KEY_REVIEW_REQ_NOTIFY_LOGIN);
if (reviewReqLogin != null && reviewReqLogin.length() != 0) {
String reviewReqUrl = requestObject.optString(GitConstants.KEY_REVIEW_REQ_URL);
String ReviewReqCommit = requestObject.optString(GitConstants.KEY_REVIEW_REQ_COMMIT);
String ReviewReqAuthorName =
requestObject.optString(GitConstants.KEY_REVIEW_REQ_AUTHOR_NAME);
String ReviewMessage = requestObject.optString(GitConstants.KEY_REVIEW_REQ_MESSAGE);
return sendNotification(
request,
response,
db,
reviewReqLogin,
ReviewReqCommit,
reviewReqUrl,
ReviewReqAuthorName,
ReviewMessage);
}
ObjectId refId = db.resolve(gitSegment);
if (refId == null || !Constants.HEAD.equals(gitSegment)) {
String msg = NLS.bind("Commit failed. Ref must be HEAD and is {0}", gitSegment);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
String message = requestObject.optString(GitConstants.KEY_COMMIT_MESSAGE, null);
if (message == null || message.isEmpty()) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_BAD_REQUEST,
"Missing commit message.",
null));
}
Git git = new Git(db);
CommitCommand cc = git.commit();
Config config = git.getRepository().getConfig();
boolean amend =
Boolean.parseBoolean(requestObject.optString(GitConstants.KEY_COMMIT_AMEND, null));
boolean insertChangeId =
GitUtils.isGerrit(config)
|| Boolean.parseBoolean(requestObject.optString(GitConstants.KEY_CHANGE_ID, null));
String committerName = requestObject.optString(GitConstants.KEY_COMMITTER_NAME, null);
String committerEmail = requestObject.optString(GitConstants.KEY_COMMITTER_EMAIL, null);
String authorName = requestObject.optString(GitConstants.KEY_AUTHOR_NAME, null);
String authorEmail = requestObject.optString(GitConstants.KEY_AUTHOR_EMAIL, null);
// workaround of a bug in JGit which causes invalid
// support of null values of author/committer name/email, see bug 352984
PersonIdent defPersonIdent = new PersonIdent(db);
if (committerName == null) committerName = defPersonIdent.getName();
if (committerEmail == null) committerEmail = defPersonIdent.getEmailAddress();
if (authorName == null) authorName = committerName;
if (authorEmail == null) authorEmail = committerEmail;
cc.setCommitter(committerName, committerEmail);
cc.setAuthor(authorName, authorEmail);
if (insertChangeId) cc.setInsertChangeId(true);
// support for committing by path: "git commit -o path"
if (!pattern.isEmpty()) {
cc.setOnly(pattern);
}
try {
// "git commit [--amend] -m '{message}' [-a|{path}]"
RevCommit lastCommit = cc.setAmend(amend).setMessage(message).call();
URI cloneLocation =
BaseToCloneConverter.getCloneLocation(
getURI(request), BaseToCloneConverter.COMMIT_REFRANGE);
Commit commit = new Commit(cloneLocation, db, lastCommit, pattern);
JSONObject result = commit.toJSON();
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (GitAPIException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_BAD_REQUEST,
"An error occured when commiting.",
e));
} catch (UnmergedPathException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An internal error occured when commiting.",
e));
}
} catch (Exception e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when requesting a commit info.",
e));
}
}
private boolean handleGetCommitLog(
HttpServletRequest request,
HttpServletResponse response,
IPath filePath,
Repository db,
String refIdsRange,
String pattern)
throws AmbiguousObjectException, IOException, ServletException, JSONException,
URISyntaxException, CoreException {
int page =
request.getParameter("page") != null
? new Integer(request.getParameter("page")).intValue()
: 0; //$NON-NLS-1$ //$NON-NLS-2$
int pageSize =
request.getParameter("pageSize") != null
? new Integer(request.getParameter("pageSize")).intValue()
: PAGE_SIZE; //$NON-NLS-1$ //$NON-NLS-2$
ObjectId toObjectId = null;
ObjectId fromObjectId = null;
Ref toRefId = null;
Ref fromRefId = null;
if (refIdsRange != null) {
// git log <since>..<until>
if (refIdsRange.contains("..")) { // $NON-NLS-1$
String[] commits = refIdsRange.split("\\.\\."); // $NON-NLS-1$
if (commits.length != 2) {
String msg = NLS.bind("Failed to generate commit log for ref {0}", refIdsRange);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
fromObjectId = db.resolve(commits[0]);
fromRefId = db.getRef(commits[0]);
if (fromObjectId == null) {
String msg = NLS.bind("Failed to generate commit log for ref {0}", commits[0]);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
toObjectId = db.resolve(commits[1]);
toRefId = db.getRef(commits[1]);
if (toObjectId == null) {
String msg = NLS.bind("No ref or commit found: {0}", commits[1]);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null));
}
} else {
toObjectId = db.resolve(refIdsRange);
toRefId = db.getRef(refIdsRange);
if (toObjectId == null) {
String msg = NLS.bind("No ref or commit found: {0}", refIdsRange);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null));
}
}
toObjectId = getCommitObjectId(db, toObjectId);
}
URI baseLocation = getURI(request);
URI cloneLocation =
BaseToCloneConverter.getCloneLocation(
baseLocation,
refIdsRange == null
? BaseToCloneConverter.COMMIT
: BaseToCloneConverter.COMMIT_REFRANGE);
LogJob job =
new LogJob(
TaskJobHandler.getUserId(request),
filePath,
cloneLocation,
page,
pageSize,
toObjectId,
fromObjectId,
toRefId,
fromRefId,
refIdsRange,
pattern);
return TaskJobHandler.handleTaskJob(
request, response, job, statusHandler, JsonURIUnqualificationStrategy.ALL_NO_GIT);
}
private boolean handleGetDiff(
HttpServletRequest request,
HttpServletResponse response,
Repository db,
String scope,
String pattern,
OutputStream out)
throws Exception {
Git git = new Git(db);
DiffCommand diff = git.diff();
diff.setOutputStream(new BufferedOutputStream(out));
AbstractTreeIterator oldTree;
AbstractTreeIterator newTree = new FileTreeIterator(db);
if (scope.contains("..")) { // $NON-NLS-1$
String[] commits = scope.split("\\.\\."); // $NON-NLS-1$
if (commits.length != 2) {
String msg = NLS.bind("Failed to generate diff for {0}", scope);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
oldTree = getTreeIterator(db, commits[0]);
newTree = getTreeIterator(db, commits[1]);
} else if (scope.equals(GitConstants.KEY_DIFF_CACHED)) {
ObjectId head = db.resolve(Constants.HEAD + "^{tree}"); // $NON-NLS-1$
if (head == null) {
String msg = NLS.bind("Failed to generate diff for {0}, no HEAD", scope);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
CanonicalTreeParser p = new CanonicalTreeParser();
ObjectReader reader = db.newObjectReader();
try {
p.reset(reader, head);
} finally {
reader.release();
}
oldTree = p;
newTree = new DirCacheIterator(db.readDirCache());
} else if (scope.equals(GitConstants.KEY_DIFF_DEFAULT)) {
oldTree = new DirCacheIterator(db.readDirCache());
} else {
oldTree = getTreeIterator(db, scope);
}
String[] paths = request.getParameterValues(ProtocolConstants.KEY_PATH);
TreeFilter filter = null;
TreeFilter pathFilter = null;
if (paths != null) {
if (paths.length > 1) {
Set<TreeFilter> pathFilters = new HashSet<TreeFilter>(paths.length);
for (String path : paths) {
pathFilters.add(PathFilter.create(path));
}
pathFilter = OrTreeFilter.create(pathFilters);
} else if (paths.length == 1) {
pathFilter = PathFilter.create(paths[0]);
}
}
if (pattern != null) {
PathFilter patternFilter = PathFilter.create(pattern);
if (pathFilter != null) filter = AndTreeFilter.create(patternFilter, pathFilter);
else filter = patternFilter;
} else {
filter = pathFilter;
}
if (filter != null) diff.setPathFilter(filter);
diff.setOldTree(oldTree);
diff.setNewTree(newTree);
diff.call();
return true;
}