From a1ea877042b93949ef244b96e8affd65cc3f89c1 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 01 Jun 2011 20:19:51 -0400
Subject: [PATCH] Readme markdown on summary page per-repository.

---
 src/com/gitblit/utils/JGitUtils.java |  654 +++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 539 insertions(+), 115 deletions(-)

diff --git a/src/com/gitblit/utils/JGitUtils.java b/src/com/gitblit/utils/JGitUtils.java
index 31b5677..5f72c9a 100644
--- a/src/com/gitblit/utils/JGitUtils.java
+++ b/src/com/gitblit/utils/JGitUtils.java
@@ -1,22 +1,49 @@
+/*
+ * Copyright 2011 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.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.RandomAccessFile;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+import java.text.ParseException;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
 
 import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.diff.DiffEntry;
+import org.eclipse.jgit.diff.DiffEntry.ChangeType;
+import org.eclipse.jgit.diff.DiffFormatter;
+import org.eclipse.jgit.diff.RawTextComparator;
 import org.eclipse.jgit.errors.ConfigInvalidException;
+import org.eclipse.jgit.errors.IncorrectObjectTypeException;
+import org.eclipse.jgit.errors.MissingObjectException;
+import org.eclipse.jgit.errors.StopWalkException;
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.FileMode;
@@ -29,44 +56,73 @@
 import org.eclipse.jgit.revwalk.RevBlob;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevObject;
+import org.eclipse.jgit.revwalk.RevSort;
 import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.revwalk.filter.RevFilter;
 import org.eclipse.jgit.treewalk.TreeWalk;
+import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
+import org.eclipse.jgit.treewalk.filter.OrTreeFilter;
 import org.eclipse.jgit.treewalk.filter.PathFilter;
 import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
+import org.eclipse.jgit.treewalk.filter.PathSuffixFilter;
+import org.eclipse.jgit.treewalk.filter.TreeFilter;
+import org.eclipse.jgit.util.io.DisabledOutputStream;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.gitblit.wicket.models.Metric;
-import com.gitblit.wicket.models.PathModel;
-import com.gitblit.wicket.models.RefModel;
+import com.gitblit.models.PathModel;
+import com.gitblit.models.PathModel.PathChangeModel;
+import com.gitblit.models.RefModel;
+import com.gitblit.models.TicketModel;
+import com.gitblit.models.TicketModel.Comment;
 
 public class JGitUtils {
 
-	/** Prefix for notes refs */
-	public static final String R_NOTES = "refs/notes/";
+	static final Logger LOGGER = LoggerFactory.getLogger(JGitUtils.class);
 
-	/** Standard notes ref */
-	public static final String R_NOTES_COMMITS = R_NOTES + "commits";
+	public static Repository createRepository(File repositoriesFolder, String name, boolean bare) {
+		Git git = Git.init().setDirectory(new File(repositoriesFolder, name)).setBare(bare).call();
+		return git.getRepository();
+	}
 
-	private final static Logger LOGGER = LoggerFactory.getLogger(JGitUtils.class);
-
-	public static List<String> getRepositoryList(File repositoriesFolder, boolean exportAll, boolean readNested) {
+	public static List<String> getRepositoryList(File repositoriesFolder, boolean exportAll,
+			boolean readNested) {
 		List<String> list = new ArrayList<String>();
-		list.addAll(getNestedRepositories(repositoriesFolder, repositoriesFolder, exportAll, readNested));
+		list.addAll(getNestedRepositories(repositoriesFolder, repositoriesFolder, exportAll,
+				readNested));
 		Collections.sort(list);
 		return list;
 	}
 
-	public static List<String> getNestedRepositories(File repositoriesFolder, File folder, boolean exportAll, boolean readNested) {
-		String basefile = repositoriesFolder.getAbsolutePath();
+	public static List<String> getNestedRepositories(File repositoriesFolder, File folder,
+			boolean exportAll, boolean readNested) {
 		List<String> list = new ArrayList<String>();
+		if (folder == null || !folder.exists()) {
+			return list;
+		}
+		String basefile = repositoriesFolder.getAbsolutePath();
 		for (File file : folder.listFiles()) {
 			if (file.isDirectory() && !file.getName().equalsIgnoreCase(Constants.DOT_GIT)) {
 				// if this is a git repository add it to the list
+				//
+				// first look for standard folder/.git structure
 				File gitFolder = new File(file, Constants.DOT_GIT);
 				boolean isGitRepository = gitFolder.exists() && gitFolder.isDirectory();
-				boolean exportRepository = isGitRepository && (exportAll || new File(gitFolder, "git-daemon-export-ok").exists());
+
+				// then look for folder.git/HEAD or folder/HEAD and
+				// folder/config
+				if (!isGitRepository) {
+					if ((file.getName().endsWith(Constants.DOT_GIT_EXT) && new File(file,
+							Constants.HEAD).exists())
+							|| (new File(file, "config").exists() && new File(file, Constants.HEAD)
+									.exists())) {
+						gitFolder = file;
+						isGitRepository = true;
+					}
+				}
+				boolean exportRepository = isGitRepository
+						&& (exportAll || new File(gitFolder, "git-daemon-export-ok").exists());
 
 				if (exportRepository) {
 					// determine repository name relative to repositories folder
@@ -80,28 +136,83 @@
 
 				// look for nested repositories
 				if (readNested) {
-					list.addAll(getNestedRepositories(repositoriesFolder, file, exportAll, readNested));
+					list.addAll(getNestedRepositories(repositoriesFolder, file, exportAll,
+							readNested));
 				}
 			}
 		}
 		return list;
 	}
 
+	public static RevCommit getFirstCommit(Repository r, String branch) {
+		if (!hasCommits(r)) {
+			return null;
+		}
+		if (StringUtils.isEmpty(branch)) {
+			branch = Constants.HEAD;
+		}
+		try {
+			RevWalk walk = new RevWalk(r);
+			walk.sort(RevSort.REVERSE);
+			RevCommit head = walk.parseCommit(r.resolve(branch));
+			walk.markStart(head);
+			RevCommit commit = walk.next();
+			walk.dispose();
+			return commit;
+		} catch (Throwable t) {
+			LOGGER.error("Failed to determine first commit", t);
+		}
+		return null;
+	}
+
+	public static Date getFirstChange(Repository r, String branch) {
+		RevCommit commit = getFirstCommit(r, branch);
+		if (commit == null) {
+			if (r == null || !r.getDirectory().exists()) {
+				return new Date(0);
+			}
+			// fresh repository
+			return new Date(r.getDirectory().lastModified());
+		}
+		return getCommitDate(commit);
+	}
+
+	public static boolean hasCommits(Repository r) {
+		if (r != null && r.getDirectory().exists()) {
+			return new File(r.getDirectory(), Constants.R_HEADS).list().length > 0;
+		}
+		return false;
+	}
+
 	public static Date getLastChange(Repository r) {
+		if (!hasCommits(r)) {
+			// null repository
+			if (r == null) {
+				return new Date(0);
+			}
+			// fresh repository
+			return new Date(r.getDirectory().lastModified());
+		}
 		RevCommit commit = getCommit(r, Constants.HEAD);
 		return getCommitDate(commit);
 	}
 
-	public static RevCommit getCommit(Repository r, String commitId) {
+	public static RevCommit getCommit(Repository r, String objectId) {
 		RevCommit commit = null;
+		if (!hasCommits(r)) {
+			return null;
+		}
 		try {
-			ObjectId objectId = r.resolve(commitId);
+			if (objectId == null || objectId.trim().length() == 0) {
+				objectId = Constants.HEAD;
+			}
+			ObjectId object = r.resolve(objectId);
 			RevWalk walk = new RevWalk(r);
-			RevCommit rev = walk.parseCommit(objectId);
+			RevCommit rev = walk.parseCommit(object);
 			commit = rev;
 			walk.dispose();
 		} catch (Throwable t) {
-			LOGGER.error("Failed to determine last change", t);
+			LOGGER.error("Failed to get commit " + objectId, t);
 		}
 		return commit;
 	}
@@ -109,13 +220,13 @@
 	public static Map<ObjectId, List<String>> getAllRefs(Repository r) {
 		Map<ObjectId, List<String>> refs = new HashMap<ObjectId, List<String>>();
 		Map<AnyObjectId, Set<Ref>> allRefs = r.getAllRefsByPeeledObjectId();
-		for (AnyObjectId id : allRefs.keySet()) {
+		for (Entry<AnyObjectId, Set<Ref>> setRefs : allRefs.entrySet()) {
 			List<String> list = new ArrayList<String>();
-			for (Ref setRef : allRefs.get(id)) {
+			for (Ref setRef : setRefs.getValue()) {
 				String name = setRef.getName();
 				list.add(name);
 			}
-			refs.put(id.toObjectId(), list);
+			refs.put(setRefs.getKey().toObjectId(), list);
 		}
 		return refs;
 	}
@@ -123,15 +234,15 @@
 	public static Map<ObjectId, List<String>> getRefs(Repository r, String baseRef) {
 		Map<ObjectId, List<String>> refs = new HashMap<ObjectId, List<String>>();
 		Map<AnyObjectId, Set<Ref>> allRefs = r.getAllRefsByPeeledObjectId();
-		for (AnyObjectId id : allRefs.keySet()) {
+		for (Entry<AnyObjectId, Set<Ref>> setRefs : allRefs.entrySet()) {
 			List<String> list = new ArrayList<String>();
-			for (Ref setRef : allRefs.get(id)) {
+			for (Ref setRef : setRefs.getValue()) {
 				String name = setRef.getName();
 				if (name.startsWith(baseRef)) {
 					list.add(name);
 				}
 			}
-			refs.put(id.toObjectId(), list);
+			refs.put(setRefs.getKey().toObjectId(), list);
 		}
 		return refs;
 	}
@@ -191,21 +302,26 @@
 	}
 
 	public static String getRawContentAsString(Repository r, RevBlob blob) {
-		return new String(getRawContent(r, blob));
+		byte[] content = getRawContent(r, blob);
+		return new String(content, Charset.forName(Constants.CHARACTER_ENCODING));
 	}
 
 	public static String getRawContentAsString(Repository r, RevCommit commit, String blobPath) {
 		RevObject obj = getRevObject(r, commit.getTree(), blobPath);
-		return new String(getRawContent(r, (RevBlob) obj));
+		byte[] content = getRawContent(r, (RevBlob) obj);
+		return new String(content, Charset.forName(Constants.CHARACTER_ENCODING));
 	}
 
-	public static List<PathModel> getFilesInPath(Repository r, String basePath, String commitId) {
-		RevCommit commit = getCommit(r, commitId);
+	public static List<PathModel> getFilesInPath(Repository r, String basePath, String objectId) {
+		RevCommit commit = getCommit(r, objectId);
 		return getFilesInPath(r, basePath, commit);
 	}
 
 	public static List<PathModel> getFilesInPath(Repository r, String basePath, RevCommit commit) {
 		List<PathModel> list = new ArrayList<PathModel>();
+		if (commit == null) {
+			return list;
+		}
 		final TreeWalk walk = new TreeWalk(r);
 		try {
 			walk.addTree(commit.getTree());
@@ -241,29 +357,120 @@
 		return list;
 	}
 
-	public static List<PathModel> getCommitChangedPaths(Repository r, String commitId) {
+	public static List<PathChangeModel> getFilesInCommit(Repository r, String commitId) {
 		RevCommit commit = getCommit(r, commitId);
-		return getCommitChangedPaths(r, commit);
+		return getFilesInCommit(r, commit);
 	}
 
-	public static List<PathModel> getCommitChangedPaths(Repository r, RevCommit commit) {
+	public static List<PathChangeModel> getFilesInCommit(Repository r, RevCommit commit) {
+		List<PathChangeModel> list = new ArrayList<PathChangeModel>();
+		if (commit == null) {
+			LOGGER.warn("getFilesInCommit for NULL commit");
+			return list;
+		}
+		try {
+			final RevWalk rw = new RevWalk(r);
+
+			RevTree commitTree = commit.getTree();
+
+			final TreeWalk walk = new TreeWalk(r);
+			walk.reset();
+			walk.setRecursive(true);
+			if (commit.getParentCount() == 0) {
+				walk.addTree(commitTree);
+				while (walk.next()) {
+					list.add(new PathChangeModel(walk.getPathString(), walk.getPathString(), 0,
+							walk.getRawMode(0), commit.getId().getName(), ChangeType.ADD));
+				}
+			} else {
+				RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
+				RevTree parentTree = parent.getTree();
+				walk.addTree(parentTree);
+				walk.addTree(commitTree);
+				walk.setFilter(TreeFilter.ANY_DIFF);
+
+				RawTextComparator cmp = RawTextComparator.DEFAULT;
+				DiffFormatter df = new DiffFormatter(DisabledOutputStream.INSTANCE);
+				df.setRepository(r);
+				df.setDiffComparator(cmp);
+				df.setDetectRenames(true);
+				List<DiffEntry> diffs = df.scan(parentTree, commitTree);
+				for (DiffEntry diff : diffs) {
+					if (diff.getChangeType().equals(ChangeType.DELETE)) {
+						list.add(new PathChangeModel(diff.getOldPath(), diff.getOldPath(), 0, diff
+								.getNewMode().getBits(), commit.getId().getName(), diff
+								.getChangeType()));
+					} else {
+						list.add(new PathChangeModel(diff.getNewPath(), diff.getNewPath(), 0, diff
+								.getNewMode().getBits(), commit.getId().getName(), diff
+								.getChangeType()));
+					}
+				}
+			}
+		} catch (Throwable t) {
+			LOGGER.error("failed to determine files in commit!", t);
+		}
+		return list;
+	}
+
+	public static List<PathModel> getDocuments(Repository r, List<String> extensions) {
 		List<PathModel> list = new ArrayList<PathModel>();
+		RevCommit commit = getCommit(r, Constants.HEAD);
 		final TreeWalk walk = new TreeWalk(r);
-		walk.setRecursive(false);
 		try {
 			walk.addTree(commit.getTree());
-			while (walk.next()) {
-				list.add(getPathModel(walk, null, commit));
+			if (extensions != null && extensions.size() > 0) {
+				Collection<TreeFilter> suffixFilters = new ArrayList<TreeFilter>();
+				for (String extension : extensions) {
+					if (extension.charAt(0) == '.') {
+						suffixFilters.add(PathSuffixFilter.create(extension));
+					} else {
+						// escape the . since this is a regexp filter
+						suffixFilters.add(PathSuffixFilter.create("\\." + extension));
+					}
+				}
+				TreeFilter filter = OrTreeFilter.create(suffixFilters);
+				walk.setFilter(filter);
+				walk.setRecursive(true);
+				while (walk.next()) {
+					list.add(getPathModel(walk, null, commit));
+				}
+			} else {
+				while (walk.next()) {
+					list.add(getPathModel(walk, null, commit));
+				}
 			}
-
 		} catch (IOException e) {
 			LOGGER.error("Failed to get files for commit " + commit.getName(), e);
 		} finally {
-			if (walk != null) {
-				walk.release();
-			}
+			walk.release();
 		}
+		Collections.sort(list);
 		return list;
+	}
+
+	public static Map<ChangeType, AtomicInteger> getChangedPathsStats(List<PathChangeModel> paths) {
+		Map<ChangeType, AtomicInteger> stats = new HashMap<ChangeType, AtomicInteger>();
+		for (PathChangeModel path : paths) {
+			if (!stats.containsKey(path.changeType)) {
+				stats.put(path.changeType, new AtomicInteger(0));
+			}
+			stats.get(path.changeType).incrementAndGet();
+		}
+		return stats;
+	}
+
+	public static enum DiffOutputType {
+		PLAIN, GITWEB, GITBLIT;
+
+		public static DiffOutputType forName(String name) {
+			for (DiffOutputType type : values()) {
+				if (type.name().equalsIgnoreCase(name)) {
+					return type;
+				}
+			}
+			return null;
+		}
 	}
 
 	private static PathModel getPathModel(TreeWalk walk, String basePath, RevCommit commit) {
@@ -280,12 +487,14 @@
 		}
 		try {
 			if (!walk.isSubtree()) {
-				size = walk.getObjectReader().getObjectSize(walk.getObjectId(0), Constants.OBJ_BLOB);
+				size = walk.getObjectReader()
+						.getObjectSize(walk.getObjectId(0), Constants.OBJ_BLOB);
 			}
 		} catch (Throwable t) {
-			LOGGER.error("Failed to retrieve blobl size", t);
+			LOGGER.error("Failed to retrieve blob size", t);
 		}
-		return new PathModel(name, walk.getPathString(), size, walk.getFileMode(0).getBits(), commit.getName());
+		return new PathModel(name, walk.getPathString(), size, walk.getFileMode(0).getBits(),
+				commit.getName());
 	}
 
 	public static String getPermissionsFromMode(int mode) {
@@ -308,21 +517,138 @@
 		return "" + mode;
 	}
 
-	public static boolean isTreeFromMode(int mode) {
-		return FileMode.TREE.equals(mode);
+	public static List<RevCommit> getRevLog(Repository r, int maxCount) {
+		return getRevLog(r, Constants.HEAD, 0, maxCount);
 	}
 
-	public static List<RevCommit> getRevLog(Repository r, int maxCount) {
+	public static List<RevCommit> getRevLog(Repository r, String objectId, int offset, int maxCount) {
+		return getRevLog(r, objectId, null, offset, maxCount);
+	}
+
+	public static List<RevCommit> getRevLog(Repository r, String objectId, String path, int offset,
+			int maxCount) {
 		List<RevCommit> list = new ArrayList<RevCommit>();
+		if (!hasCommits(r)) {
+			return list;
+		}
 		try {
-			Git git = new Git(r);
-			Iterable<RevCommit> revlog = git.log().call();
-			for (RevCommit rev : revlog) {
-				list.add(rev);
-				if (maxCount > 0 && list.size() == maxCount) {
-					break;
+			if (objectId == null || objectId.trim().length() == 0) {
+				objectId = Constants.HEAD;
+			}
+			RevWalk walk = new RevWalk(r);
+			ObjectId object = r.resolve(objectId);
+			walk.markStart(walk.parseCommit(object));
+			if (!StringUtils.isEmpty(path)) {
+				TreeFilter filter = AndTreeFilter.create(
+						PathFilterGroup.createFromStrings(Collections.singleton(path)),
+						TreeFilter.ANY_DIFF);
+				walk.setTreeFilter(filter);
+			}
+			Iterable<RevCommit> revlog = walk;
+			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;
+					}
 				}
 			}
+			walk.dispose();
+		} catch (Throwable t) {
+			LOGGER.error("Failed to determine last change", t);
+		}
+		return list;
+	}
+
+	public static enum SearchType {
+		AUTHOR, COMMITTER, COMMIT;
+
+		public static SearchType forName(String name) {
+			for (SearchType type : values()) {
+				if (type.name().equalsIgnoreCase(name)) {
+					return type;
+				}
+			}
+			return null;
+		}
+
+		public String toString() {
+			return name().toLowerCase();
+		}
+	}
+
+	public static List<RevCommit> searchRevlogs(Repository r, String objectId, String value,
+			final SearchType type, int offset, int maxCount) {
+		final String lcValue = value.toLowerCase();
+		List<RevCommit> list = new ArrayList<RevCommit>();
+		if (!hasCommits(r)) {
+			return list;
+		}
+		try {
+			if (objectId == null || objectId.trim().length() == 0) {
+				objectId = Constants.HEAD;
+			}
+			RevWalk walk = new RevWalk(r);
+			walk.setRevFilter(new RevFilter() {
+
+				@Override
+				public RevFilter clone() {
+					return this;
+				}
+
+				@Override
+				public boolean include(RevWalk walker, RevCommit commit) throws StopWalkException,
+						MissingObjectException, IncorrectObjectTypeException, IOException {
+					switch (type) {
+					case AUTHOR:
+						return (commit.getAuthorIdent().getName().toLowerCase().indexOf(lcValue) > -1)
+								|| (commit.getAuthorIdent().getEmailAddress().toLowerCase()
+										.indexOf(lcValue) > -1);
+					case COMMITTER:
+						return (commit.getCommitterIdent().getName().toLowerCase().indexOf(lcValue) > -1)
+								|| (commit.getCommitterIdent().getEmailAddress().toLowerCase()
+										.indexOf(lcValue) > -1);
+					case COMMIT:
+						return commit.getFullMessage().toLowerCase().indexOf(lcValue) > -1;
+					}
+					return false;
+				}
+
+			});
+			ObjectId object = r.resolve(objectId);
+			walk.markStart(walk.parseCommit(object));
+			Iterable<RevCommit> revlog = walk;
+			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;
+					}
+				}
+			}
+			walk.dispose();
 		} catch (Throwable t) {
 			LOGGER.error("Failed to determine last change", t);
 		}
@@ -333,23 +659,27 @@
 		return getRefs(r, Constants.R_TAGS, maxCount);
 	}
 
-	public static List<RefModel> getHeads(Repository r, int maxCount) {
+	public static List<RefModel> getLocalBranches(Repository r, int maxCount) {
 		return getRefs(r, Constants.R_HEADS, maxCount);
+	}
+
+	public static List<RefModel> getRemoteBranches(Repository r, int maxCount) {
+		return getRefs(r, Constants.R_REMOTES, maxCount);
 	}
 
 	public static List<RefModel> getRefs(Repository r, String refs, int maxCount) {
 		List<RefModel> list = new ArrayList<RefModel>();
 		try {
 			Map<String, Ref> map = r.getRefDatabase().getRefs(refs);
-			for (String name : map.keySet()) {
-				Ref ref = map.get(name);
+			for (Entry<String, Ref> entry : map.entrySet()) {
+				Ref ref = entry.getValue();
 				RevCommit commit = getCommit(r, ref.getObjectId().getName());
-				list.add(new RefModel(name, ref, commit));
+				list.add(new RefModel(entry.getKey(), ref, commit));
 			}
 			Collections.sort(list);
 			Collections.reverse(list);
 			if (maxCount > 0 && list.size() > maxCount) {
-				list = list.subList(0, maxCount);
+				list = new ArrayList<RefModel>(list.subList(0, maxCount));
 			}
 		} catch (IOException e) {
 			LOGGER.error("Failed to retrieve " + refs, e);
@@ -358,10 +688,11 @@
 	}
 
 	public static Ref getRef(Repository r, String id) {
+		// FIXME
 		try {
 			Map<String, Ref> map = r.getRefDatabase().getRefs(id);
-			for (String name : map.keySet()) {
-				return map.get(name);
+			for (Entry<String, Ref> entry : map.entrySet()) {
+				return entry.getValue();
 			}
 		} catch (IOException e) {
 			LOGGER.error("Failed to retrieve ref " + id, e);
@@ -370,7 +701,7 @@
 	}
 
 	public static Date getCommitDate(RevCommit commit) {
-		return new Date(commit.getCommitTime() * 1000l);
+		return new Date(commit.getCommitTime() * 1000L);
 	}
 
 	public static String getDisplayName(PersonIdent person) {
@@ -378,43 +709,11 @@
 		r.append(person.getName());
 		r.append(" <");
 		r.append(person.getEmailAddress());
-		r.append(">");
+		r.append('>');
 		return r.toString();
 	}
 
-	public static String getRepositoryDescription(Repository r) {
-		File dir = r.getDirectory();
-		if (dir.exists()) {
-			File description = new File(dir, "description");
-			if (description.exists() && description.length() > 0) {
-				RandomAccessFile raf = null;
-				try {
-					raf = new RandomAccessFile(description, "r");
-					byte[] buffer = new byte[(int) description.length()];
-					raf.readFully(buffer);
-					return new String(buffer);
-				} catch (Throwable t) {
-				} finally {
-					try {
-						raf.close();
-					} catch (Throwable t) {
-					}
-				}
-			}
-		}
-		return "";
-	}
-
-	public static String getRepositoryOwner(Repository r) {
-		StoredConfig c = readConfig(r);
-		if (c == null) {
-			return "";
-		}
-		String o = c.getString("gitweb", null, "owner");
-		return o == null ? "" : o;
-	}
-
-	private static StoredConfig readConfig(Repository r) {
+	public static StoredConfig readConfig(Repository r) {
 		StoredConfig c = r.getConfig();
 		if (c != null) {
 			try {
@@ -429,28 +728,153 @@
 		return null;
 	}
 
-	public static List<Metric> getDateMetrics(Repository r) {
-		final Map<String, Metric> map = new HashMap<String, Metric>();
+	public static boolean zip(Repository r, String basePath, String objectId, OutputStream os)
+			throws Exception {
+		RevCommit commit = getCommit(r, objectId);
+		if (commit == null) {
+			return false;
+		}
+		final RevWalk rw = new RevWalk(r);
+		final TreeWalk walk = new TreeWalk(r);
 		try {
-			DateFormat df = new SimpleDateFormat("yyyy-MM");
-			Git git = new Git(r);
-			Iterable<RevCommit> revlog = git.log().call();
-			for (RevCommit rev : revlog) {
-				Date d = getCommitDate(rev);
-				String p = df.format(d);
-				if (!map.containsKey(p))
-					map.put(p, new Metric(p));
-				map.get(p).count++;
+			walk.addTree(commit.getTree());
+			ZipOutputStream zos = new ZipOutputStream(os);
+			zos.setComment("Generated by Git:Blit");
+			if (basePath != null && basePath.length() > 0) {
+				PathFilter f = PathFilter.create(basePath);
+				walk.setFilter(f);
+			}
+			walk.setRecursive(true);
+			while (walk.next()) {
+				ZipEntry entry = new ZipEntry(walk.getPathString());
+				entry.setSize(walk.getObjectReader().getObjectSize(walk.getObjectId(0),
+						Constants.OBJ_BLOB));
+				entry.setComment(commit.getName());
+				zos.putNextEntry(entry);
+
+				ObjectId entid = walk.getObjectId(0);
+				FileMode entmode = walk.getFileMode(0);
+				RevBlob blob = (RevBlob) rw.lookupAny(entid, entmode.getObjectType());
+				rw.parseBody(blob);
+
+				ObjectLoader ldr = r.open(blob.getId(), Constants.OBJ_BLOB);
+				byte[] tmp = new byte[4096];
+				InputStream in = ldr.openStream();
+				int n;
+				while ((n = in.read(tmp)) > 0) {
+					zos.write(tmp, 0, n);
+				}
+				in.close();
+			}
+			zos.finish();
+			return true;
+		} catch (IOException e) {
+			LOGGER.error("Failed to zip files from commit " + commit.getName(), e);
+		} finally {
+			walk.release();
+			rw.dispose();
+		}
+		return false;
+	}
+
+	public static RefModel getTicketsBranch(Repository r) {
+		RefModel ticgitBranch = null;
+		try {
+			// search for ticgit branch in local heads
+			for (RefModel ref : getLocalBranches(r, -1)) {
+				if (ref.displayName.endsWith("ticgit")) {
+					ticgitBranch = ref;
+					break;
+				}
+			}
+
+			// search for ticgit branch in remote heads
+			if (ticgitBranch == null) {
+				for (RefModel ref : getRemoteBranches(r, -1)) {
+					if (ref.displayName.endsWith("ticgit")) {
+						ticgitBranch = ref;
+						break;
+					}
+				}
 			}
 		} catch (Throwable t) {
-			LOGGER.error("Failed to mine log history for metrics", t);
+			LOGGER.error("Failed to find ticgit branch!", t);
 		}
-		List<String> keys = new ArrayList<String>(map.keySet());
-		Collections.sort(keys);
-		List<Metric> metrics = new ArrayList<Metric>();
-		for (String key:keys) {
-			metrics.add(map.get(key));
-		}		
-		return metrics;
+		return ticgitBranch;
+	}
+
+	public static List<TicketModel> getTickets(Repository r) {
+		RefModel ticgitBranch = getTicketsBranch(r);
+		List<PathModel> paths = getFilesInPath(r, null, ticgitBranch.commit);
+		List<TicketModel> tickets = new ArrayList<TicketModel>();
+		for (PathModel ticketFolder : paths) {
+			if (ticketFolder.isTree()) {
+				try {
+					TicketModel t = new TicketModel(ticketFolder.name);
+					readTicketContents(r, ticgitBranch, t);
+					tickets.add(t);
+				} catch (Throwable t) {
+					LOGGER.error("Failed to get a ticket!", t);
+				}
+			}
+		}
+		Collections.sort(tickets);
+		Collections.reverse(tickets);
+		return tickets;
+	}
+
+	public static TicketModel getTicket(Repository r, String ticketFolder) {
+		RefModel ticketsBranch = getTicketsBranch(r);
+		if (ticketsBranch != null) {
+			try {
+				TicketModel ticket = new TicketModel(ticketFolder);
+				readTicketContents(r, ticketsBranch, ticket);
+				return ticket;
+			} catch (Throwable t) {
+				LOGGER.error("Failed to get ticket " + ticketFolder, t);
+			}
+		}
+		return null;
+	}
+
+	private static void readTicketContents(Repository r, RefModel ticketsBranch, TicketModel ticket) {
+		List<PathModel> ticketFiles = getFilesInPath(r, ticket.name, ticketsBranch.commit);
+		for (PathModel file : ticketFiles) {
+			String content = getRawContentAsString(r, ticketsBranch.commit, file.path).trim();
+			if (file.name.equals("TICKET_ID")) {
+				ticket.id = content;
+			} else if (file.name.equals("TITLE")) {
+				ticket.title = content;
+			} else {
+				String[] chunks = file.name.split("_");
+				if (chunks[0].equals("ASSIGNED")) {
+					ticket.handler = content;
+				} else if (chunks[0].equals("COMMENT")) {
+					try {
+						Comment c = new Comment(file.name, content);
+						ticket.comments.add(c);
+					} catch (ParseException e) {
+						e.printStackTrace();
+					}
+				} else if (chunks[0].equals("TAG")) {
+					if (content.startsWith("TAG_")) {
+						ticket.tags.add(content.substring(4));
+					} else {
+						ticket.tags.add(content);
+					}
+				} else if (chunks[0].equals("STATE")) {
+					ticket.state = content;
+				}
+			}
+		}
+		Collections.sort(ticket.comments);
+	}
+
+	public static String getTicketContent(Repository r, String filePath) {
+		RefModel ticketsBranch = getTicketsBranch(r);
+		if (ticketsBranch != null) {
+			return getRawContentAsString(r, ticketsBranch.commit, filePath);
+		}
+		return "";
 	}
 }

--
Gitblit v1.9.1