List of usage examples for org.eclipse.jgit.lib RefUpdate forceUpdate
public Result forceUpdate() throws IOException
From source file:at.bitandart.zoubek.mervin.gerrit.GerritReviewRepositoryService.java
License:Open Source License
@Override public void saveReview(URI uri, ModelReview modelReview, User currentReviewer, IProgressMonitor monitor) throws InvalidReviewRepositoryException, InvalidReviewException, RepositoryIOException { monitor.beginTask("Connecting to repository", IProgressMonitor.UNKNOWN); String repoFileURI = COMMENTS_FILE_URI; try {//from www .ja v a2 s . c o m Git git = Git.open(new File(uri)); Repository repository = git.getRepository(); ObjectInserter objectInserter = repository.newObjectInserter(); String commentRefName = getCommentRefName(modelReview); Ref commentRef = repository.exactRef(commentRefName); DirCache index = DirCache.newInCore(); DirCacheBuilder dirCacheBuilder = index.builder(); monitor.beginTask("Preparing commit...", IProgressMonitor.UNKNOWN); if (commentRef != null) { /* * The ref already exists so we have to copy the previous * RevTree to keep all already attached files */ RevWalk revWalk = new RevWalk(repository); RevCommit prevCommit = revWalk.parseCommit(commentRef.getObjectId()); RevTree tree = prevCommit.getTree(); List<String> ignoredFiles = new ArrayList<>(); /* * add file path of the new file to the ignored file paths, as * we don't want any already existing old file in our new tree */ ignoredFiles.add(repoFileURI); buildDirCacheFromTree(tree, repository, dirCacheBuilder, ignoredFiles); revWalk.close(); } monitor.beginTask("Writing comments file...", IProgressMonitor.UNKNOWN); ResourceSet resourceSet = new ResourceSetImpl(); Resource resource = resourceSet.createResource(org.eclipse.emf.common.util.URI.createURI(repoFileURI)); addCommentsToResource(modelReview, resource); ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); resource.save(outputStream, null); // insert file as object byte[] content = outputStream.toByteArray(); long length = content.length; InputStream inputStream = new ByteArrayInputStream(content); ObjectId objectId = objectInserter.insert(Constants.OBJ_BLOB, length, inputStream); inputStream.close(); // create tree entry DirCacheEntry entry = new DirCacheEntry(repoFileURI); entry.setFileMode(FileMode.REGULAR_FILE); entry.setLastModified(System.currentTimeMillis()); entry.setLength(length); entry.setObjectId(objectId); dirCacheBuilder.add(entry); dirCacheBuilder.finish(); // write new tree in database ObjectId indexTreeId = index.writeTree(objectInserter); monitor.beginTask("Commiting comments...", IProgressMonitor.UNKNOWN); // create commit CommitBuilder commitBuilder = new CommitBuilder(); PersonIdent personIdent = new PersonIdent("Mervin", "mervin@mervin.modelreview"); commitBuilder.setCommitter(personIdent); commitBuilder.setAuthor(personIdent); commitBuilder.setMessage( MessageFormat.format("Updated comments by user \"{0}\"", currentReviewer.getName())); if (commentRef != null) { commitBuilder.setParentId(commentRef.getObjectId()); } commitBuilder.setTreeId(indexTreeId); // commit ObjectId commitId = objectInserter.insert(commitBuilder); objectInserter.flush(); RefUpdate refUpdate = repository.updateRef(commentRefName); refUpdate.setNewObjectId(commitId); if (commentRef != null) refUpdate.setExpectedOldObjectId(commentRef.getObjectId()); else refUpdate.setExpectedOldObjectId(ObjectId.zeroId()); /* * TODO the result handling below is copied from the CommitCommand * class, I don't know if this is really necessary in our case */ Result result = refUpdate.forceUpdate(); switch (result) { case NEW: case FORCED: case FAST_FORWARD: { if (repository.getRepositoryState() == RepositoryState.MERGING_RESOLVED) { /* * Commit was successful. Now delete the files used for * merge commits */ repository.writeMergeCommitMsg(null); repository.writeMergeHeads(null); } else if (repository.getRepositoryState() == RepositoryState.CHERRY_PICKING_RESOLVED) { repository.writeMergeCommitMsg(null); repository.writeCherryPickHead(null); } else if (repository.getRepositoryState() == RepositoryState.REVERTING_RESOLVED) { repository.writeMergeCommitMsg(null); repository.writeRevertHead(null); } break; } case REJECTED: case LOCK_FAILURE: throw new RepositoryIOException("Error occured during writing to the git repository", new ConcurrentRefUpdateException("Could not lock ref " + refUpdate.getRef().getName(), refUpdate.getRef(), result)); default: throw new RepositoryIOException("Error occured during writing to the git repository", new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, refUpdate.getRef().getName(), commitId.toString(), result))); } } catch (IOException e) { throw new InvalidReviewRepositoryException("Could not open local git repository", e); } finally { monitor.done(); } }
From source file:com.gitblit.build.BuildGhPages.java
License:Apache License
public static void main(String[] args) { Params params = new Params(); JCommander jc = new JCommander(params); try {/* w w w. j av a 2 s .com*/ jc.parse(args); } catch (ParameterException t) { System.err.println(t.getMessage()); jc.usage(); } File source = new File(params.sourceFolder); String ghpages = "refs/heads/gh-pages"; try { File gitDir = FileKey.resolve(new File(params.repositoryFolder), FS.DETECTED); Repository repository = new FileRepository(gitDir); RefModel issuesBranch = JGitUtils.getPagesBranch(repository); if (issuesBranch == null) { JGitUtils.createOrphanBranch(repository, "gh-pages", null); } System.out.println("Updating gh-pages branch..."); ObjectId headId = repository.resolve(ghpages + "^{commit}"); ObjectInserter odi = repository.newObjectInserter(); try { // Create the in-memory index of the new/updated issue. DirCache index = createIndex(repository, headId, source, params.obliterate); ObjectId indexTreeId = index.writeTree(odi); // Create a commit object PersonIdent author = new PersonIdent("Gitblit", "gitblit@localhost"); CommitBuilder commit = new CommitBuilder(); commit.setAuthor(author); commit.setCommitter(author); commit.setEncoding(Constants.CHARACTER_ENCODING); commit.setMessage("updated pages"); commit.setParentId(headId); commit.setTreeId(indexTreeId); // Insert the commit into the repository ObjectId commitId = odi.insert(commit); odi.flush(); RevWalk revWalk = new RevWalk(repository); try { RevCommit revCommit = revWalk.parseCommit(commitId); RefUpdate ru = repository.updateRef(ghpages); ru.setNewObjectId(commitId); ru.setExpectedOldObjectId(headId); ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); Result rc = ru.forceUpdate(); switch (rc) { case NEW: case FORCED: case FAST_FORWARD: break; case REJECTED: case LOCK_FAILURE: throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc); default: throw new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, ghpages, commitId.toString(), rc)); } } finally { revWalk.release(); } } finally { odi.release(); } System.out.println("gh-pages updated."); } catch (Throwable t) { t.printStackTrace(); } }
From source file:com.gitblit.utils.IssueUtils.java
License:Apache License
/** * Deletes an issue from the repository. * /* ww w. ja va 2s . c o m*/ * @param repository * @param issueId * @return true if successful */ public static boolean deleteIssue(Repository repository, String issueId, String author) { boolean success = false; RefModel issuesBranch = getIssuesBranch(repository); if (issuesBranch == null) { throw new RuntimeException("gb-issues branch does not exist!"); } if (StringUtils.isEmpty(issueId)) { throw new RuntimeException("must specify an issue id!"); } String issuePath = getIssuePath(issueId); String message = "- " + issueId; try { ObjectId headId = repository.resolve(GB_ISSUES + "^{commit}"); ObjectInserter odi = repository.newObjectInserter(); try { // Create the in-memory index of the new/updated issue DirCache index = DirCache.newInCore(); DirCacheBuilder dcBuilder = index.builder(); // Traverse HEAD to add all other paths TreeWalk treeWalk = new TreeWalk(repository); int hIdx = -1; if (headId != null) hIdx = treeWalk.addTree(new RevWalk(repository).parseTree(headId)); treeWalk.setRecursive(true); while (treeWalk.next()) { String path = treeWalk.getPathString(); CanonicalTreeParser hTree = null; if (hIdx != -1) hTree = treeWalk.getTree(hIdx, CanonicalTreeParser.class); if (!path.startsWith(issuePath)) { // add entries from HEAD for all other paths if (hTree != null) { // create a new DirCacheEntry with data retrieved // from HEAD final DirCacheEntry dcEntry = new DirCacheEntry(path); dcEntry.setObjectId(hTree.getEntryObjectId()); dcEntry.setFileMode(hTree.getEntryFileMode()); // add to temporary in-core index dcBuilder.add(dcEntry); } } } // release the treewalk treeWalk.release(); // finish temporary in-core index used for this commit dcBuilder.finish(); ObjectId indexTreeId = index.writeTree(odi); // Create a commit object PersonIdent ident = new PersonIdent(author, "gitblit@localhost"); CommitBuilder commit = new CommitBuilder(); commit.setAuthor(ident); commit.setCommitter(ident); commit.setEncoding(Constants.CHARACTER_ENCODING); commit.setMessage(message); commit.setParentId(headId); commit.setTreeId(indexTreeId); // Insert the commit into the repository ObjectId commitId = odi.insert(commit); odi.flush(); RevWalk revWalk = new RevWalk(repository); try { RevCommit revCommit = revWalk.parseCommit(commitId); RefUpdate ru = repository.updateRef(GB_ISSUES); ru.setNewObjectId(commitId); ru.setExpectedOldObjectId(headId); ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); Result rc = ru.forceUpdate(); switch (rc) { case NEW: case FORCED: case FAST_FORWARD: success = true; break; case REJECTED: case LOCK_FAILURE: throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc); default: throw new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, GB_ISSUES, commitId.toString(), rc)); } } finally { revWalk.release(); } } finally { odi.release(); } } catch (Throwable t) { error(t, repository, "Failed to delete issue {1} to {0}", issueId); } return success; }
From source file:com.gitblit.utils.IssueUtils.java
License:Apache License
/** * Commit a change to the repository. Each issue is composed on changes. * Issues are built from applying the changes in the order they were * committed to the repository. The changes are actually specified in the * commit messages and not in the RevTrees which allows for clean, * distributed merging./*from w w w . j av a 2s . c om*/ * * @param repository * @param issueId * @param change * @return true, if the change was committed */ private static boolean commit(Repository repository, String issueId, Change change) { boolean success = false; try { // assign ids to new attachments // attachments are stored by an SHA1 id if (change.hasAttachments()) { for (Attachment attachment : change.attachments) { if (!ArrayUtils.isEmpty(attachment.content)) { byte[] prefix = (change.created.toString() + change.author).getBytes(); byte[] bytes = new byte[prefix.length + attachment.content.length]; System.arraycopy(prefix, 0, bytes, 0, prefix.length); System.arraycopy(attachment.content, 0, bytes, prefix.length, attachment.content.length); attachment.id = "attachment-" + StringUtils.getSHA1(bytes); } } } // serialize the change as json // exclude any attachment from json serialization Gson gson = JsonUtils.gson(new ExcludeField("com.gitblit.models.IssueModel$Attachment.content")); String json = gson.toJson(change); // include the json change in the commit message String issuePath = getIssuePath(issueId); String message = change.code + " " + issueId + "\n\n" + json; // Create a commit file. This is required for a proper commit and // ensures we can retrieve the commit log of the issue path. // // This file is NOT serialized as part of the Change object. switch (change.code) { case '+': { // New Issue. Attachment placeholder = new Attachment("issue"); placeholder.id = placeholder.name; placeholder.content = "DO NOT REMOVE".getBytes(Constants.CHARACTER_ENCODING); change.addAttachment(placeholder); break; } default: { // Update Issue. String changeId = StringUtils.getSHA1(json); Attachment placeholder = new Attachment("change-" + changeId); placeholder.id = placeholder.name; placeholder.content = "REMOVABLE".getBytes(Constants.CHARACTER_ENCODING); change.addAttachment(placeholder); break; } } ObjectId headId = repository.resolve(GB_ISSUES + "^{commit}"); ObjectInserter odi = repository.newObjectInserter(); try { // Create the in-memory index of the new/updated issue DirCache index = createIndex(repository, headId, issuePath, change); ObjectId indexTreeId = index.writeTree(odi); // Create a commit object PersonIdent ident = new PersonIdent(change.author, "gitblit@localhost"); CommitBuilder commit = new CommitBuilder(); commit.setAuthor(ident); commit.setCommitter(ident); commit.setEncoding(Constants.CHARACTER_ENCODING); commit.setMessage(message); commit.setParentId(headId); commit.setTreeId(indexTreeId); // Insert the commit into the repository ObjectId commitId = odi.insert(commit); odi.flush(); RevWalk revWalk = new RevWalk(repository); try { RevCommit revCommit = revWalk.parseCommit(commitId); RefUpdate ru = repository.updateRef(GB_ISSUES); ru.setNewObjectId(commitId); ru.setExpectedOldObjectId(headId); ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); Result rc = ru.forceUpdate(); switch (rc) { case NEW: case FORCED: case FAST_FORWARD: success = true; break; case REJECTED: case LOCK_FAILURE: throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc); default: throw new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, GB_ISSUES, commitId.toString(), rc)); } } finally { revWalk.release(); } } finally { odi.release(); } } catch (Throwable t) { error(t, repository, "Failed to commit issue {1} to {0}", issueId); } return success; }
From source file:com.gitblit.utils.JGitUtils.java
License:Apache License
/** * Sets the symbolic ref HEAD to the specified target ref. The * HEAD will be detached if the target ref is not a branch. * * @param repository// w w w.j a v a2 s . c om * @param targetRef * @return true if successful */ public static boolean setHEADtoRef(Repository repository, String targetRef) { try { // detach HEAD if target ref is not a branch boolean detach = !targetRef.startsWith(Constants.R_HEADS); RefUpdate.Result result; RefUpdate head = repository.updateRef(Constants.HEAD, detach); if (detach) { // Tag RevCommit commit = getCommit(repository, targetRef); head.setNewObjectId(commit.getId()); result = head.forceUpdate(); } else { result = head.link(targetRef); } switch (result) { case NEW: case FORCED: case NO_CHANGE: case FAST_FORWARD: return true; default: LOGGER.error(MessageFormat.format("{0} HEAD update to {1} returned result {2}", repository.getDirectory().getAbsolutePath(), targetRef, result)); } } catch (Throwable t) { error(t, repository, "{0} failed to set HEAD to {1}", targetRef); } return false; }
From source file:com.gitblit.utils.JGitUtils.java
License:Apache License
/** * Sets the local branch ref to point to the specified commit id. * * @param repository/* w w w . j av a 2 s. c o m*/ * @param branch * @param commitId * @return true if successful */ public static boolean setBranchRef(Repository repository, String branch, String commitId) { String branchName = branch; if (!branchName.startsWith(Constants.R_REFS)) { branchName = Constants.R_HEADS + branch; } try { RefUpdate refUpdate = repository.updateRef(branchName, false); refUpdate.setNewObjectId(ObjectId.fromString(commitId)); RefUpdate.Result result = refUpdate.forceUpdate(); switch (result) { case NEW: case FORCED: case NO_CHANGE: case FAST_FORWARD: return true; default: LOGGER.error(MessageFormat.format("{0} {1} update to {2} returned result {3}", repository.getDirectory().getAbsolutePath(), branchName, commitId, result)); } } catch (Throwable t) { error(t, repository, "{0} failed to set {1} to {2}", branchName, commitId); } return false; }
From source file:com.gitblit.utils.JGitUtils.java
License:Apache License
/** * Create an orphaned branch in a repository. * * @param repository//from w ww . j a va 2 s . co m * @param branchName * @param author * if unspecified, Gitblit will be the author of this new branch * @return true if successful */ public static boolean createOrphanBranch(Repository repository, String branchName, PersonIdent author) { boolean success = false; String message = "Created branch " + branchName; if (author == null) { author = new PersonIdent("Gitblit", "gitblit@localhost"); } try { ObjectInserter odi = repository.newObjectInserter(); try { // Create a blob object to insert into a tree ObjectId blobId = odi.insert(Constants.OBJ_BLOB, message.getBytes(Constants.CHARACTER_ENCODING)); // Create a tree object to reference from a commit TreeFormatter tree = new TreeFormatter(); tree.append(".branch", FileMode.REGULAR_FILE, blobId); ObjectId treeId = odi.insert(tree); // Create a commit object CommitBuilder commit = new CommitBuilder(); commit.setAuthor(author); commit.setCommitter(author); commit.setEncoding(Constants.CHARACTER_ENCODING); commit.setMessage(message); commit.setTreeId(treeId); // Insert the commit into the repository ObjectId commitId = odi.insert(commit); odi.flush(); RevWalk revWalk = new RevWalk(repository); try { RevCommit revCommit = revWalk.parseCommit(commitId); if (!branchName.startsWith("refs/")) { branchName = "refs/heads/" + branchName; } RefUpdate ru = repository.updateRef(branchName); ru.setNewObjectId(commitId); ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); Result rc = ru.forceUpdate(); switch (rc) { case NEW: case FORCED: case FAST_FORWARD: success = true; break; default: success = false; } } finally { revWalk.close(); } } finally { odi.close(); } } catch (Throwable t) { error(t, repository, "Failed to create orphan branch {1} in repository {0}", branchName); } return success; }
From source file:com.gitblit.utils.PushLogUtils.java
License:Apache License
/** * Updates a push log./* w w w. ja va 2s . c om*/ * * @param user * @param repository * @param commands * @return true, if the update was successful */ public static boolean updatePushLog(UserModel user, Repository repository, Collection<ReceiveCommand> commands) { RefModel pushlogBranch = getPushLogBranch(repository); if (pushlogBranch == null) { JGitUtils.createOrphanBranch(repository, GB_PUSHES, null); } boolean success = false; String message = "push"; try { ObjectId headId = repository.resolve(GB_PUSHES + "^{commit}"); ObjectInserter odi = repository.newObjectInserter(); try { // Create the in-memory index of the push log entry DirCache index = createIndex(repository, headId, commands); ObjectId indexTreeId = index.writeTree(odi); PersonIdent ident = new PersonIdent(user.getDisplayName(), user.emailAddress == null ? user.username : user.emailAddress); // Create a commit object CommitBuilder commit = new CommitBuilder(); commit.setAuthor(ident); commit.setCommitter(ident); commit.setEncoding(Constants.CHARACTER_ENCODING); commit.setMessage(message); commit.setParentId(headId); commit.setTreeId(indexTreeId); // Insert the commit into the repository ObjectId commitId = odi.insert(commit); odi.flush(); RevWalk revWalk = new RevWalk(repository); try { RevCommit revCommit = revWalk.parseCommit(commitId); RefUpdate ru = repository.updateRef(GB_PUSHES); ru.setNewObjectId(commitId); ru.setExpectedOldObjectId(headId); ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); Result rc = ru.forceUpdate(); switch (rc) { case NEW: case FORCED: case FAST_FORWARD: success = true; break; case REJECTED: case LOCK_FAILURE: throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc); default: throw new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, GB_PUSHES, commitId.toString(), rc)); } } finally { revWalk.release(); } } finally { odi.release(); } } catch (Throwable t) { error(t, repository, "Failed to commit pushlog entry to {0}"); } return success; }
From source file:com.gitblit.utils.RefLogUtils.java
License:Apache License
/** * Updates the reflog with the received commands. * * @param user/*from w w w. jav a2s .com*/ * @param repository * @param commands * @return true, if the update was successful */ public static boolean updateRefLog(UserModel user, Repository repository, Collection<ReceiveCommand> commands) { // only track branches and tags List<ReceiveCommand> filteredCommands = new ArrayList<ReceiveCommand>(); for (ReceiveCommand cmd : commands) { if (!cmd.getRefName().startsWith(Constants.R_HEADS) && !cmd.getRefName().startsWith(Constants.R_TAGS)) { continue; } filteredCommands.add(cmd); } if (filteredCommands.isEmpty()) { // nothing to log return true; } RefModel reflogBranch = getRefLogBranch(repository); if (reflogBranch == null) { JGitUtils.createOrphanBranch(repository, GB_REFLOG, null); } boolean success = false; String message = "push"; try { ObjectId headId = repository.resolve(GB_REFLOG + "^{commit}"); ObjectInserter odi = repository.newObjectInserter(); try { // Create the in-memory index of the reflog log entry DirCache index = createIndex(repository, headId, commands); ObjectId indexTreeId = index.writeTree(odi); PersonIdent ident; if (UserModel.ANONYMOUS.equals(user)) { // anonymous push ident = new PersonIdent(user.username + "/" + user.username, user.username); } else { // construct real pushing account ident = new PersonIdent(MessageFormat.format("{0}/{1}", user.getDisplayName(), user.username), user.emailAddress == null ? user.username : user.emailAddress); } // Create a commit object CommitBuilder commit = new CommitBuilder(); commit.setAuthor(ident); commit.setCommitter(ident); commit.setEncoding(Constants.ENCODING); commit.setMessage(message); commit.setParentId(headId); commit.setTreeId(indexTreeId); // Insert the commit into the repository ObjectId commitId = odi.insert(commit); odi.flush(); RevWalk revWalk = new RevWalk(repository); try { RevCommit revCommit = revWalk.parseCommit(commitId); RefUpdate ru = repository.updateRef(GB_REFLOG); ru.setNewObjectId(commitId); ru.setExpectedOldObjectId(headId); ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false); Result rc = ru.forceUpdate(); switch (rc) { case NEW: case FORCED: case FAST_FORWARD: success = true; break; case REJECTED: case LOCK_FAILURE: throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc); default: throw new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, GB_REFLOG, commitId.toString(), rc)); } } finally { revWalk.close(); } } finally { odi.close(); } } catch (Throwable t) { error(t, repository, "Failed to commit reflog entry to {0}"); } return success; }
From source file:com.google.gerrit.acceptance.api.revision.RevisionIT.java
License:Apache License
@Test public void mergeable() throws Exception { ObjectId initial = repo().getRef(HEAD).getLeaf().getObjectId(); PushOneCommit push1 = pushFactory.create(db, admin.getIdent(), testRepo, PushOneCommit.SUBJECT, PushOneCommit.FILE_NAME, "push 1 content"); PushOneCommit.Result r1 = push1.to("refs/for/master"); assertMergeable(r1.getChangeId(), true); merge(r1);/*w w w . ja v a 2s.com*/ // Reset HEAD to initial so the new change is a merge conflict. RefUpdate ru = repo().updateRef(HEAD); ru.setNewObjectId(initial); assertThat(ru.forceUpdate()).isEqualTo(RefUpdate.Result.FORCED); PushOneCommit push2 = pushFactory.create(db, admin.getIdent(), testRepo, PushOneCommit.SUBJECT, PushOneCommit.FILE_NAME, "push 2 content"); PushOneCommit.Result r2 = push2.to("refs/for/master"); assertMergeable(r2.getChangeId(), false); // TODO(dborowitz): Test for other-branches. }