From a3bde69e9b3f3cc6212b0cd5fd7310b6a3301d8c Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 01 Jun 2011 20:47:05 -0400
Subject: [PATCH] Documentation.  Enforce ".git" suffix for created repositories.

---
 src/com/gitblit/utils/JGitUtils.java |  139 +++++++++++++---------------------------------
 1 files changed, 40 insertions(+), 99 deletions(-)

diff --git a/src/com/gitblit/utils/JGitUtils.java b/src/com/gitblit/utils/JGitUtils.java
index f99fbfd..5f72c9a 100644
--- a/src/com/gitblit/utils/JGitUtils.java
+++ b/src/com/gitblit/utils/JGitUtils.java
@@ -21,9 +21,7 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.nio.charset.Charset;
-import java.text.DateFormat;
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -73,16 +71,15 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.gitblit.models.Metric;
 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.PathModel.PathChangeModel;
 import com.gitblit.models.TicketModel.Comment;
 
 public class JGitUtils {
 
-	private static final Logger LOGGER = LoggerFactory.getLogger(JGitUtils.class);
+	static final Logger LOGGER = LoggerFactory.getLogger(JGitUtils.class);
 
 	public static Repository createRepository(File repositoriesFolder, String name, boolean bare) {
 		Git git = Git.init().setDirectory(new File(repositoriesFolder, name)).setBare(bare).call();
@@ -100,11 +97,11 @@
 
 	public static List<String> getNestedRepositories(File repositoriesFolder, File folder,
 			boolean exportAll, boolean readNested) {
-		String basefile = repositoriesFolder.getAbsolutePath();
 		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
@@ -169,24 +166,22 @@
 	}
 
 	public static Date getFirstChange(Repository r, String branch) {
-		try {
-			RevCommit commit = getFirstCommit(r, branch);
-			if (commit == null) {
-				// fresh repository
-				return new Date(r.getDirectory().lastModified());
+		RevCommit commit = getFirstCommit(r, branch);
+		if (commit == null) {
+			if (r == null || !r.getDirectory().exists()) {
+				return new Date(0);
 			}
-			return getCommitDate(commit);
-		} catch (Throwable t) {
-			LOGGER.error("Failed to determine first change", t);
+			// fresh repository
+			return new Date(r.getDirectory().lastModified());
 		}
-		return null;
+		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;		
+		return false;
 	}
 
 	public static Date getLastChange(Repository r) {
@@ -375,30 +370,41 @@
 		}
 		try {
 			final RevWalk rw = new RevWalk(r);
-			RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
-			RevTree parentTree = parent.getTree();
+
 			RevTree commitTree = commit.getTree();
 
 			final TreeWalk walk = new TreeWalk(r);
 			walk.reset();
 			walk.setRecursive(true);
-			walk.addTree(parentTree);
-			walk.addTree(commitTree);
-			walk.setFilter(TreeFilter.ANY_DIFF);
+			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()));
+				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) {
@@ -509,10 +515,6 @@
 			return "missing";
 		}
 		return "" + mode;
-	}
-
-	public static boolean isTreeFromMode(int mode) {
-		return FileMode.TREE.equals(mode);
 	}
 
 	public static List<RevCommit> getRevLog(Repository r, int maxCount) {
@@ -773,67 +775,6 @@
 			rw.dispose();
 		}
 		return false;
-	}
-
-	public static List<Metric> getDateMetrics(Repository r) {
-		Metric total = new Metric("TOTAL");
-		final Map<String, Metric> metricMap = new HashMap<String, Metric>();
-
-		if (hasCommits(r)) {
-			final List<RefModel> tags = getTags(r, -1);
-			final Map<ObjectId, RefModel> tagMap = new HashMap<ObjectId, RefModel>();
-			for (RefModel tag : tags) {
-				tagMap.put(tag.getCommitId(), tag);
-			}
-			try {
-				RevWalk walk = new RevWalk(r);
-				ObjectId object = r.resolve(Constants.HEAD);
-
-				RevCommit firstCommit = getFirstCommit(r, Constants.HEAD);
-				RevCommit lastCommit = walk.parseCommit(object);
-				int diffDays = (lastCommit.getCommitTime() - firstCommit.getCommitTime())
-						/ (60 * 60 * 24);
-				total.duration = diffDays;
-				DateFormat df;
-				if (diffDays <= 90) {
-					// Days
-					df = new SimpleDateFormat("yyyy-MM-dd");
-				} else if (diffDays > 90 && diffDays < 365) {
-					// Weeks
-					df = new SimpleDateFormat("yyyy-MM (w)");
-				} else {
-					// Months
-					df = new SimpleDateFormat("yyyy-MM");
-				}
-				walk.markStart(lastCommit);
-
-				Iterable<RevCommit> revlog = walk;
-				for (RevCommit rev : revlog) {
-					Date d = getCommitDate(rev);
-					String p = df.format(d);
-					if (!metricMap.containsKey(p)) {
-						metricMap.put(p, new Metric(p));
-					}
-					Metric m = metricMap.get(p);
-					m.count++;
-					total.count++;
-					if (tagMap.containsKey(rev.getId())) {
-						m.tag++;
-						total.tag++;
-					}
-				}
-			} catch (Throwable t) {
-				LOGGER.error("Failed to mine log history for metrics", t);
-			}
-		}
-		List<String> keys = new ArrayList<String>(metricMap.keySet());
-		Collections.sort(keys);
-		List<Metric> metrics = new ArrayList<Metric>();
-		for (String key : keys) {
-			metrics.add(metricMap.get(key));
-		}
-		metrics.add(0, total);
-		return metrics;
 	}
 
 	public static RefModel getTicketsBranch(Repository r) {

--
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