From bd01eebfa57b4012bc7a7abc1aaaa1b69278b9de Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sun, 19 Feb 2012 15:38:50 -0500
Subject: [PATCH] Merged issues/lucene branch
---
src/com/gitblit/utils/IssueUtils.java | 823 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 823 insertions(+), 0 deletions(-)
diff --git a/src/com/gitblit/utils/IssueUtils.java b/src/com/gitblit/utils/IssueUtils.java
new file mode 100644
index 0000000..eb3b347
--- /dev/null
+++ b/src/com/gitblit/utils/IssueUtils.java
@@ -0,0 +1,823 @@
+/*
+ * Copyright 2012 gitblit.com.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.gitblit.utils;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeSet;
+
+import org.eclipse.jgit.JGitText;
+import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.dircache.DirCache;
+import org.eclipse.jgit.dircache.DirCacheBuilder;
+import org.eclipse.jgit.dircache.DirCacheEntry;
+import org.eclipse.jgit.lib.CommitBuilder;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.FileMode;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.ObjectInserter;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.lib.RefUpdate;
+import org.eclipse.jgit.lib.RefUpdate.Result;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.revwalk.RevTree;
+import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.treewalk.CanonicalTreeParser;
+import org.eclipse.jgit.treewalk.TreeWalk;
+import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
+import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
+import org.eclipse.jgit.treewalk.filter.TreeFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.gitblit.models.IssueModel;
+import com.gitblit.models.IssueModel.Attachment;
+import com.gitblit.models.IssueModel.Change;
+import com.gitblit.models.IssueModel.Field;
+import com.gitblit.models.IssueModel.Status;
+import com.gitblit.models.RefModel;
+import com.gitblit.utils.JsonUtils.ExcludeField;
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+/**
+ * Utility class for reading Gitblit issues.
+ *
+ * @author James Moger
+ *
+ */
+public class IssueUtils {
+
+ public static interface IssueFilter {
+ public abstract boolean accept(IssueModel issue);
+ }
+
+ public static final String GB_ISSUES = "refs/heads/gb-issues";
+
+ static final Logger LOGGER = LoggerFactory.getLogger(JGitUtils.class);
+
+ /**
+ * Log an error message and exception.
+ *
+ * @param t
+ * @param repository
+ * if repository is not null it MUST be the {0} parameter in the
+ * pattern.
+ * @param pattern
+ * @param objects
+ */
+ private static void error(Throwable t, Repository repository, String pattern, Object... objects) {
+ List<Object> parameters = new ArrayList<Object>();
+ if (objects != null && objects.length > 0) {
+ for (Object o : objects) {
+ parameters.add(o);
+ }
+ }
+ if (repository != null) {
+ parameters.add(0, repository.getDirectory().getAbsolutePath());
+ }
+ LOGGER.error(MessageFormat.format(pattern, parameters.toArray()), t);
+ }
+
+ /**
+ * Returns a RefModel for the gb-issues branch in the repository. If the
+ * branch can not be found, null is returned.
+ *
+ * @param repository
+ * @return a refmodel for the gb-issues branch or null
+ */
+ public static RefModel getIssuesBranch(Repository repository) {
+ return JGitUtils.getBranch(repository, "gb-issues");
+ }
+
+ /**
+ * Returns all the issues in the repository. Querying issues from the
+ * repository requires deserializing all changes for all issues. This is an
+ * expensive process and not recommended. Issues should be indexed by Lucene
+ * and queries should be executed against that index.
+ *
+ * @param repository
+ * @param filter
+ * optional issue filter to only return matching results
+ * @return a list of issues
+ */
+ public static List<IssueModel> getIssues(Repository repository, IssueFilter filter) {
+ List<IssueModel> list = new ArrayList<IssueModel>();
+ RefModel issuesBranch = getIssuesBranch(repository);
+ if (issuesBranch == null) {
+ return list;
+ }
+
+ // Collect the set of all issue paths
+ Set<String> issuePaths = new HashSet<String>();
+ final TreeWalk tw = new TreeWalk(repository);
+ try {
+ RevCommit head = JGitUtils.getCommit(repository, GB_ISSUES);
+ tw.addTree(head.getTree());
+ tw.setRecursive(false);
+ while (tw.next()) {
+ if (tw.getDepth() < 2 && tw.isSubtree()) {
+ tw.enterSubtree();
+ if (tw.getDepth() == 2) {
+ issuePaths.add(tw.getPathString());
+ }
+ }
+ }
+ } catch (IOException e) {
+ error(e, repository, "{0} failed to query issues");
+ } finally {
+ tw.release();
+ }
+
+ // Build each issue and optionally filter out unwanted issues
+
+ for (String issuePath : issuePaths) {
+ RevWalk rw = new RevWalk(repository);
+ try {
+ RevCommit start = rw.parseCommit(repository.resolve(GB_ISSUES));
+ rw.markStart(start);
+ } catch (Exception e) {
+ error(e, repository, "Failed to find {1} in {0}", GB_ISSUES);
+ }
+ TreeFilter treeFilter = AndTreeFilter.create(
+ PathFilterGroup.createFromStrings(issuePath), TreeFilter.ANY_DIFF);
+ rw.setTreeFilter(treeFilter);
+ Iterator<RevCommit> revlog = rw.iterator();
+
+ List<RevCommit> commits = new ArrayList<RevCommit>();
+ while (revlog.hasNext()) {
+ commits.add(revlog.next());
+ }
+
+ // release the revwalk
+ rw.release();
+
+ if (commits.size() == 0) {
+ LOGGER.warn("Failed to find changes for issue " + issuePath);
+ continue;
+ }
+
+ // sort by commit order, first commit first
+ Collections.reverse(commits);
+
+ StringBuilder sb = new StringBuilder("[");
+ boolean first = true;
+ for (RevCommit commit : commits) {
+ if (!first) {
+ sb.append(',');
+ }
+ String message = commit.getFullMessage();
+ // commit message is formatted: C ISSUEID\n\nJSON
+ // C is an single char commit code
+ // ISSUEID is an SHA-1 hash
+ String json = message.substring(43);
+ sb.append(json);
+ first = false;
+ }
+ sb.append(']');
+
+ // Deserialize the JSON array as a Collection<Change>, this seems
+ // slightly faster than deserializing each change by itself.
+ Collection<Change> changes = JsonUtils.fromJsonString(sb.toString(),
+ new TypeToken<Collection<Change>>() {
+ }.getType());
+
+ // create an issue object form the changes
+ IssueModel issue = buildIssue(changes, true);
+
+ // add the issue, conditionally, to the list
+ if (filter == null) {
+ list.add(issue);
+ } else {
+ if (filter.accept(issue)) {
+ list.add(issue);
+ }
+ }
+ }
+
+ // sort the issues by creation
+ Collections.sort(list);
+ return list;
+ }
+
+ /**
+ * Retrieves the specified issue from the repository with all changes
+ * applied to build the effective issue.
+ *
+ * @param repository
+ * @param issueId
+ * @return an issue, if it exists, otherwise null
+ */
+ public static IssueModel getIssue(Repository repository, String issueId) {
+ return getIssue(repository, issueId, true);
+ }
+
+ /**
+ * Retrieves the specified issue from the repository.
+ *
+ * @param repository
+ * @param issueId
+ * @param effective
+ * if true, the effective issue is built by processing comment
+ * changes, deletions, etc. if false, the raw issue is built
+ * without consideration for comment changes, deletions, etc.
+ * @return an issue, if it exists, otherwise null
+ */
+ public static IssueModel getIssue(Repository repository, String issueId, boolean effective) {
+ RefModel issuesBranch = getIssuesBranch(repository);
+ if (issuesBranch == null) {
+ return null;
+ }
+
+ if (StringUtils.isEmpty(issueId)) {
+ return null;
+ }
+
+ String issuePath = getIssuePath(issueId);
+
+ // Collect all changes as JSON array from commit messages
+ List<RevCommit> commits = JGitUtils.getRevLog(repository, GB_ISSUES, issuePath, 0, -1);
+
+ // sort by commit order, first commit first
+ Collections.reverse(commits);
+
+ StringBuilder sb = new StringBuilder("[");
+ boolean first = true;
+ for (RevCommit commit : commits) {
+ if (!first) {
+ sb.append(',');
+ }
+ String message = commit.getFullMessage();
+ // commit message is formatted: C ISSUEID\n\nJSON
+ // C is an single char commit code
+ // ISSUEID is an SHA-1 hash
+ String json = message.substring(43);
+ sb.append(json);
+ first = false;
+ }
+ sb.append(']');
+
+ // Deserialize the JSON array as a Collection<Change>, this seems
+ // slightly faster than deserializing each change by itself.
+ Collection<Change> changes = JsonUtils.fromJsonString(sb.toString(),
+ new TypeToken<Collection<Change>>() {
+ }.getType());
+
+ // create an issue object and apply the changes to it
+ IssueModel issue = buildIssue(changes, effective);
+ return issue;
+ }
+
+ /**
+ * Builds an issue from a set of changes.
+ *
+ * @param changes
+ * @param effective
+ * if true, the effective issue is built which accounts for
+ * comment changes, comment deletions, etc. if false, the raw
+ * issue is built.
+ * @return an issue
+ */
+ private static IssueModel buildIssue(Collection<Change> changes, boolean effective) {
+ IssueModel issue;
+ if (effective) {
+ List<Change> effectiveChanges = new ArrayList<Change>();
+ Map<String, Change> comments = new HashMap<String, Change>();
+ for (Change change : changes) {
+ if (change.comment != null) {
+ if (comments.containsKey(change.comment.id)) {
+ Change original = comments.get(change.comment.id);
+ Change clone = DeepCopier.copy(original);
+ clone.comment.text = change.comment.text;
+ clone.comment.deleted = change.comment.deleted;
+ int idx = effectiveChanges.indexOf(original);
+ effectiveChanges.remove(original);
+ effectiveChanges.add(idx, clone);
+ comments.put(clone.comment.id, clone);
+ } else {
+ effectiveChanges.add(change);
+ comments.put(change.comment.id, change);
+ }
+ } else {
+ effectiveChanges.add(change);
+ }
+ }
+
+ // effective issue
+ issue = new IssueModel();
+ for (Change change : effectiveChanges) {
+ issue.applyChange(change);
+ }
+ } else {
+ // raw issue
+ issue = new IssueModel();
+ for (Change change : changes) {
+ issue.applyChange(change);
+ }
+ }
+ return issue;
+ }
+
+ /**
+ * Retrieves the specified attachment from an issue.
+ *
+ * @param repository
+ * @param issueId
+ * @param filename
+ * @return an attachment, if found, null otherwise
+ */
+ public static Attachment getIssueAttachment(Repository repository, String issueId,
+ String filename) {
+ RefModel issuesBranch = getIssuesBranch(repository);
+ if (issuesBranch == null) {
+ return null;
+ }
+
+ if (StringUtils.isEmpty(issueId)) {
+ return null;
+ }
+
+ // deserialize the issue model so that we have the attachment metadata
+ IssueModel issue = getIssue(repository, issueId, true);
+ Attachment attachment = issue.getAttachment(filename);
+
+ // attachment not found
+ if (attachment == null) {
+ return null;
+ }
+
+ // retrieve the attachment content
+ String issuePath = getIssuePath(issueId);
+ RevTree tree = JGitUtils.getCommit(repository, GB_ISSUES).getTree();
+ byte[] content = JGitUtils
+ .getByteContent(repository, tree, issuePath + "/" + attachment.id);
+ attachment.content = content;
+ attachment.size = content.length;
+ return attachment;
+ }
+
+ /**
+ * Creates an issue in the gb-issues branch of the repository. The branch is
+ * automatically created if it does not already exist. Your change must
+ * include an author, summary, and description, at a minimum. If your change
+ * does not have those minimum requirements a RuntimeException will be
+ * thrown.
+ *
+ * @param repository
+ * @param change
+ * @return true if successful
+ */
+ public static IssueModel createIssue(Repository repository, Change change) {
+ RefModel issuesBranch = getIssuesBranch(repository);
+ if (issuesBranch == null) {
+ JGitUtils.createOrphanBranch(repository, "gb-issues", null);
+ }
+
+ if (StringUtils.isEmpty(change.author)) {
+ throw new RuntimeException("Must specify a change author!");
+ }
+ if (!change.hasField(Field.Summary)) {
+ throw new RuntimeException("Must specify a summary!");
+ }
+ if (!change.hasField(Field.Description)) {
+ throw new RuntimeException("Must specify a description!");
+ }
+
+ change.setField(Field.Reporter, change.author);
+
+ String issueId = StringUtils.getSHA1(change.created.toString() + change.author
+ + change.getString(Field.Summary) + change.getField(Field.Description));
+ change.setField(Field.Id, issueId);
+ change.code = '+';
+
+ boolean success = commit(repository, issueId, change);
+ if (success) {
+ return getIssue(repository, issueId, false);
+ }
+ return null;
+ }
+
+ /**
+ * Updates an issue in the gb-issues branch of the repository.
+ *
+ * @param repository
+ * @param issue
+ * @param change
+ * @return true if successful
+ */
+ public static boolean updateIssue(Repository repository, String issueId, Change change) {
+ boolean success = false;
+ RefModel issuesBranch = getIssuesBranch(repository);
+
+ if (issuesBranch == null) {
+ throw new RuntimeException("gb-issues branch does not exist!");
+ }
+
+ if (change == null) {
+ throw new RuntimeException("change can not be null!");
+ }
+
+ if (StringUtils.isEmpty(change.author)) {
+ throw new RuntimeException("must specify a change author!");
+ }
+
+ // determine update code
+ // default update code is '=' for a general change
+ change.code = '=';
+ if (change.hasField(Field.Status)) {
+ Status status = Status.fromObject(change.getField(Field.Status));
+ if (status.isClosed()) {
+ // someone closed the issue
+ change.code = 'x';
+ }
+ }
+ success = commit(repository, issueId, change);
+ return success;
+ }
+
+ /**
+ * Deletes an issue from the repository.
+ *
+ * @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;
+ }
+
+ /**
+ * Changes the text of an issue comment.
+ *
+ * @param repository
+ * @param issue
+ * @param change
+ * the change with the comment to change
+ * @param author
+ * the author of the revision
+ * @param comment
+ * the revised comment
+ * @return true, if the change was successful
+ */
+ public static boolean changeComment(Repository repository, IssueModel issue, Change change,
+ String author, String comment) {
+ Change revision = new Change(author);
+ revision.comment(comment);
+ revision.comment.id = change.comment.id;
+ return updateIssue(repository, issue.id, revision);
+ }
+
+ /**
+ * Deletes a comment from an issue.
+ *
+ * @param repository
+ * @param issue
+ * @param change
+ * the change with the comment to delete
+ * @param author
+ * @return true, if the deletion was successful
+ */
+ public static boolean deleteComment(Repository repository, IssueModel issue, Change change,
+ String author) {
+ Change deletion = new Change(author);
+ deletion.comment(change.comment.text);
+ deletion.comment.id = change.comment.id;
+ deletion.comment.deleted = true;
+ return updateIssue(repository, issue.id, deletion);
+ }
+
+ /**
+ * 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.
+ *
+ * @param repository
+ * @param issue
+ * @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;
+ }
+
+ /**
+ * Returns the issue path. This follows the same scheme as Git's object
+ * store path where the first two characters of the hash id are the root
+ * folder with the remaining characters as a subfolder within that folder.
+ *
+ * @param issueId
+ * @return the root path of the issue content on the gb-issues branch
+ */
+ static String getIssuePath(String issueId) {
+ return issueId.substring(0, 2) + "/" + issueId.substring(2);
+ }
+
+ /**
+ * Creates an in-memory index of the issue change.
+ *
+ * @param repo
+ * @param headId
+ * @param change
+ * @return an in-memory index
+ * @throws IOException
+ */
+ private static DirCache createIndex(Repository repo, ObjectId headId, String issuePath,
+ Change change) throws IOException {
+
+ DirCache inCoreIndex = DirCache.newInCore();
+ DirCacheBuilder dcBuilder = inCoreIndex.builder();
+ ObjectInserter inserter = repo.newObjectInserter();
+
+ Set<String> ignorePaths = new TreeSet<String>();
+ try {
+ // Add any attachments to the temporary index
+ if (change.hasAttachments()) {
+ for (Attachment attachment : change.attachments) {
+ // build a path name for the attachment and mark as ignored
+ String path = issuePath + "/" + attachment.id;
+ ignorePaths.add(path);
+
+ // create an index entry for this attachment
+ final DirCacheEntry dcEntry = new DirCacheEntry(path);
+ dcEntry.setLength(attachment.content.length);
+ dcEntry.setLastModified(change.created.getTime());
+ dcEntry.setFileMode(FileMode.REGULAR_FILE);
+
+ // insert object
+ dcEntry.setObjectId(inserter.insert(Constants.OBJ_BLOB, attachment.content));
+
+ // add to temporary in-core index
+ dcBuilder.add(dcEntry);
+ }
+ }
+
+ // Traverse HEAD to add all other paths
+ TreeWalk treeWalk = new TreeWalk(repo);
+ int hIdx = -1;
+ if (headId != null)
+ hIdx = treeWalk.addTree(new RevWalk(repo).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 (!ignorePaths.contains(path)) {
+ // 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();
+ } finally {
+ inserter.release();
+ }
+ return inCoreIndex;
+ }
+}
\ No newline at end of file
--
Gitblit v1.9.1