From e299e1e9071d02ceefa2b5154f0fd1af5cbe115e Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sun, 17 Apr 2011 16:57:41 -0400
Subject: [PATCH] Finished history tree/blob links.

---
 src/com/gitblit/utils/JGitUtils.java |  107 +++++++++++++++++++++++++++++++++++------------------
 1 files changed, 71 insertions(+), 36 deletions(-)

diff --git a/src/com/gitblit/utils/JGitUtils.java b/src/com/gitblit/utils/JGitUtils.java
index 69c46da..5590ffe 100644
--- a/src/com/gitblit/utils/JGitUtils.java
+++ b/src/com/gitblit/utils/JGitUtils.java
@@ -35,6 +35,7 @@
 import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.treewalk.TreeWalk;
+import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
 import org.eclipse.jgit.treewalk.filter.PathFilter;
 import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
 import org.eclipse.jgit.treewalk.filter.TreeFilter;
@@ -45,8 +46,8 @@
 import com.gitblit.wicket.models.Metric;
 import com.gitblit.wicket.models.PathModel;
 import com.gitblit.wicket.models.RefModel;
-import com.gitblit.wicket.models.TicGitTicket;
-import com.gitblit.wicket.models.TicGitTicket.Comment;
+import com.gitblit.wicket.models.TicketModel;
+import com.gitblit.wicket.models.TicketModel.Comment;
 
 public class JGitUtils {
 
@@ -287,20 +288,35 @@
 	}
 
 	public static String getCommitDiff(Repository r, RevCommit commit, boolean outputHtml) {
-		return getCommitDiff(r, commit, null, outputHtml);
+		return getCommitDiff(r, null, commit, null, outputHtml);
 	}
 
 	public static String getCommitDiff(Repository r, RevCommit commit, String path, boolean outputHtml) {
+		return getCommitDiff(r, null, commit, path, outputHtml);
+	}
+
+	public static String getCommitDiff(Repository r, RevCommit baseCommit, RevCommit commit, boolean outputHtml) {
+		return getCommitDiff(r, baseCommit, commit, null, outputHtml);
+	}
+
+	public static String getCommitDiff(Repository r, RevCommit baseCommit, RevCommit commit, String path, boolean outputHtml) {
 		try {
-			final RevWalk rw = new RevWalk(r);
-			RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
-			RevTree parentTree = parent.getTree();
+			RevTree baseTree;
+			if (baseCommit == null) {
+				final RevWalk rw = new RevWalk(r);
+				RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
+				rw.dispose();
+				baseTree = parent.getTree();	
+			} else {
+				baseTree = baseCommit.getTree();
+			}
+
 			RevTree commitTree = commit.getTree();
 
 			final TreeWalk walk = new TreeWalk(r);
 			walk.reset();
 			walk.setRecursive(true);
-			walk.addTree(parentTree);
+			walk.addTree(baseTree);
 			walk.addTree(commitTree);
 			walk.setFilter(TreeFilter.ANY_DIFF);
 
@@ -315,7 +331,7 @@
 			df.setRepository(r);
 			df.setDiffComparator(cmp);
 			df.setDetectRenames(true);
-			List<DiffEntry> diffs = df.scan(parentTree, commitTree);
+			List<DiffEntry> diffs = df.scan(baseTree, commitTree);
 			if (path != null && path.length() > 0) {
 				for (DiffEntry diff : diffs) {
 					if (diff.getNewPath().equalsIgnoreCase(path)) {
@@ -340,22 +356,31 @@
 		}
 		return null;
 	}
-	
+
 	public static String getCommitPatch(Repository r, RevCommit commit) {
 		return getCommitPatch(r, commit);
 	}
-	
+
 	public static String getCommitPatch(Repository r, RevCommit commit, String path) {
+		return getCommitPatch(r, null, commit, path);
+	}
+	
+	public static String getCommitPatch(Repository r, RevCommit baseCommit, RevCommit commit, String path) {
 		try {
-			final RevWalk rw = new RevWalk(r);
-			RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
-			RevTree parentTree = parent.getTree();
+			RevTree baseTree;
+			if (baseCommit == null) {
+				final RevWalk rw = new RevWalk(r);
+				RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
+				baseTree = parent.getTree();
+			} else {
+				baseTree = baseCommit.getTree();
+			}
 			RevTree commitTree = commit.getTree();
 
 			final TreeWalk walk = new TreeWalk(r);
 			walk.reset();
 			walk.setRecursive(true);
-			walk.addTree(parentTree);
+			walk.addTree(baseTree);
 			walk.addTree(commitTree);
 			walk.setFilter(TreeFilter.ANY_DIFF);
 
@@ -365,7 +390,7 @@
 			df.setRepository(r);
 			df.setDiffComparator(cmp);
 			df.setDetectRenames(true);
-			List<DiffEntry> diffs = df.scan(parentTree, commitTree);
+			List<DiffEntry> diffs = df.scan(baseTree, commitTree);
 			if (path != null && path.length() > 0) {
 				for (DiffEntry diff : diffs) {
 					if (diff.getNewPath().equalsIgnoreCase(path)) {
@@ -436,6 +461,10 @@
 	}
 
 	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>();
 		try {
 			if (objectId == null || objectId.trim().length() == 0) {
@@ -444,6 +473,12 @@
 			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;
@@ -603,12 +638,12 @@
 		return metrics;
 	}
 
-	public static RefModel getTicGitBranch(Repository r) {
+	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.getDisplayName().endsWith("ticgit") || ref.getDisplayName().endsWith("ticgit-ng")) {
+				if (ref.getDisplayName().endsWith("ticgit")) {
 					ticgitBranch = ref;
 					break;
 				}
@@ -617,7 +652,7 @@
 			// search for ticgit branch in remote heads
 			if (ticgitBranch == null) {
 				for (RefModel ref : getRemoteBranches(r, -1)) {
-					if (ref.getDisplayName().endsWith("ticgit") || ref.getDisplayName().endsWith("ticgit-ng")) {
+					if (ref.getDisplayName().endsWith("ticgit")) {
 						ticgitBranch = ref;
 						break;
 					}
@@ -629,18 +664,18 @@
 		return ticgitBranch;
 	}
 
-	public static List<TicGitTicket> getTicGitTickets(Repository r) {
-		RefModel ticgitBranch = getTicGitBranch(r);
+	public static List<TicketModel> getTickets(Repository r) {
+		RefModel ticgitBranch = getTicketsBranch(r);
 		List<PathModel> paths = getFilesInPath(r, null, ticgitBranch.getCommit());
-		List<TicGitTicket> tickets = new ArrayList<TicGitTicket>();
+		List<TicketModel> tickets = new ArrayList<TicketModel>();
 		for (PathModel ticketFolder : paths) {
 			if (ticketFolder.isTree()) {
 				try {
-					TicGitTicket t = new TicGitTicket(ticketFolder.name);
+					TicketModel t = new TicketModel(ticketFolder.name);
 					readTicketContents(r, ticgitBranch, t);
 					tickets.add(t);
 				} catch (Throwable t) {
-					LOGGER.error("Failed to get a ticgit ticket!", t);
+					LOGGER.error("Failed to get a ticket!", t);
 				}
 			}
 		}
@@ -649,24 +684,24 @@
 		return tickets;
 	}
 
-	public static TicGitTicket getTicGitTicket(Repository r, String ticketFolder) {
-		RefModel ticgitBranch = getTicGitBranch(r);
-		if (ticgitBranch != null) {
+	public static TicketModel getTicket(Repository r, String ticketFolder) {
+		RefModel ticketsBranch = getTicketsBranch(r);
+		if (ticketsBranch != null) {
 			try {
-				TicGitTicket ticket = new TicGitTicket(ticketFolder);
-				readTicketContents(r, ticgitBranch, ticket);
+				TicketModel ticket = new TicketModel(ticketFolder);
+				readTicketContents(r, ticketsBranch, ticket);
 				return ticket;
 			} catch (Throwable t) {
-				LOGGER.error("Failed to get ticgit ticket " + ticketFolder, t);
+				LOGGER.error("Failed to get ticket " + ticketFolder, t);
 			}
 		}
 		return null;
 	}
 
-	private static void readTicketContents(Repository r, RefModel ticgitBranch, TicGitTicket ticket) {
-		List<PathModel> ticketFiles = getFilesInPath(r, ticket.name, ticgitBranch.getCommit());
+	private static void readTicketContents(Repository r, RefModel ticketsBranch, TicketModel ticket) {
+		List<PathModel> ticketFiles = getFilesInPath(r, ticket.name, ticketsBranch.getCommit());
 		for (PathModel file : ticketFiles) {
-			String content = getRawContentAsString(r, ticgitBranch.getCommit(), file.path).trim();
+			String content = getRawContentAsString(r, ticketsBranch.getCommit(), file.path).trim();
 			if (file.name.equals("TICKET_ID")) {
 				ticket.id = content;
 			} else if (file.name.equals("TITLE")) {
@@ -696,10 +731,10 @@
 		Collections.sort(ticket.comments);
 	}
 
-	public static String getTicGitContent(Repository r, String filePath) {
-		RefModel ticgitBranch = getTicGitBranch(r);
-		if (ticgitBranch != null) {
-			return getRawContentAsString(r, ticgitBranch.getCommit(), filePath);
+	public static String getTicketContent(Repository r, String filePath) {
+		RefModel ticketsBranch = getTicketsBranch(r);
+		if (ticketsBranch != null) {
+			return getRawContentAsString(r, ticketsBranch.getCommit(), filePath);
 		}
 		return "";
 	}

--
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