From c7bcdce232aa701135c1b7272b132961b846c38c Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 09 Jan 2012 22:21:32 -0500
Subject: [PATCH] Updated to Groovy 1.8.5

---
 src/com/gitblit/utils/JGitUtils.java |  164 +++++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 135 insertions(+), 29 deletions(-)

diff --git a/src/com/gitblit/utils/JGitUtils.java b/src/com/gitblit/utils/JGitUtils.java
index 31fd08f..a540c2a 100644
--- a/src/com/gitblit/utils/JGitUtils.java
+++ b/src/com/gitblit/utils/JGitUtils.java
@@ -47,15 +47,20 @@
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.errors.StopWalkException;
+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.ObjectLoader;
 import org.eclipse.jgit.lib.PersonIdent;
 import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.RefUpdate;
+import org.eclipse.jgit.lib.RefUpdate.Result;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.lib.RepositoryCache.FileKey;
 import org.eclipse.jgit.lib.StoredConfig;
+import org.eclipse.jgit.lib.TreeFormatter;
 import org.eclipse.jgit.revwalk.RevBlob;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevObject;
@@ -468,6 +473,19 @@
 			return new Date(0);
 		}
 		return new Date(commit.getCommitTime() * 1000L);
+	}
+
+	/**
+	 * Retrieves a Java Date from a Git commit.
+	 * 
+	 * @param commit
+	 * @return date of the commit or Date(0) if the commit is null
+	 */
+	public static Date getAuthorDate(RevCommit commit) {
+		if (commit == null) {
+			return new Date(0);
+		}
+		return commit.getAuthorIdent().getWhen();
 	}
 
 	/**
@@ -988,7 +1006,14 @@
 
 			RevWalk rw = new RevWalk(repository);
 			rw.markStart(rw.parseCommit(endRange));
-			rw.markUninteresting(rw.parseCommit(startRange));
+			if (startRange.equals(ObjectId.zeroId())) {
+				// maybe this is a tag or an orphan branch
+				list.add(rw.parseCommit(endRange));
+				rw.dispose();
+				return list;
+			} else {
+				rw.markUninteresting(rw.parseCommit(startRange));
+			}
 
 			Iterable<RevCommit> revlog = rw;
 			for (RevCommit rev : revlog) {
@@ -1264,6 +1289,50 @@
 	}
 
 	/**
+	 * Returns a RefModel for the gh-pages branch in the repository. If the
+	 * branch can not be found, null is returned.
+	 * 
+	 * @param repository
+	 * @return a refmodel for the gh-pages branch or null
+	 */
+	public static RefModel getPagesBranch(Repository repository) {
+		return getBranch(repository, "gh-pages");
+	}
+
+	/**
+	 * Returns a RefModel for a specific branch name in the repository. If the
+	 * branch can not be found, null is returned.
+	 * 
+	 * @param repository
+	 * @return a refmodel for the branch or null
+	 */
+	public static RefModel getBranch(Repository repository, String name) {
+		RefModel branch = null;
+		try {
+			// search for the branch in local heads
+			for (RefModel ref : JGitUtils.getLocalBranches(repository, false, -1)) {
+				if (ref.displayName.endsWith(name)) {
+					branch = ref;
+					break;
+				}
+			}
+
+			// search for the branch in remote heads
+			if (branch == null) {
+				for (RefModel ref : JGitUtils.getRemoteBranches(repository, false, -1)) {
+					if (ref.displayName.endsWith(name)) {
+						branch = ref;
+						break;
+					}
+				}
+			}
+		} catch (Throwable t) {
+			LOGGER.error(MessageFormat.format("Failed to find {0} branch!", name), t);
+		}
+		return branch;
+	}
+
+	/**
 	 * Returns the list of notes entered about the commit from the refs/notes
 	 * namespace. If the repository does not exist or is empty, an empty list is
 	 * returned.
@@ -1296,37 +1365,74 @@
 	}
 
 	/**
-	 * Create an orphaned branch in a repository. This code does not work.
+	 * Create an orphaned branch in a repository.
 	 * 
 	 * @param repository
-	 * @param name
-	 * @return
+	 * @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 name) {
-		return true;
-		// boolean success = false;
-		// try {
-		// ObjectId prev = repository.resolve(Constants.HEAD + "^1");
-		// // create the orphan branch
-		// RefUpdate orphanRef = repository.updateRef(Constants.R_HEADS + name);
-		// orphanRef.setNewObjectId(prev);
-		// orphanRef.setExpectedOldObjectId(ObjectId.zeroId());
-		// Result updateResult = orphanRef.update();
-		//
-		// switch (updateResult) {
-		// case NEW:
-		// success = true;
-		// break;
-		// case NO_CHANGE:
-		// default:
-		// break;
-		// }
-		//
-		// } catch (Throwable t) {
-		// error(t, repository, "{0} failed to create orphaned branch {1}",
-		// name);
-		// }
-		// return success;
+	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("NEWBRANCH", 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.release();
+				}
+			} finally {
+				odi.release();
+			}
+		} catch (Throwable t) {
+			error(t, repository, "Failed to create orphan branch {1} in repository {0}", branchName);
+		}
+		return success;
 	}
 
 	/**

--
Gitblit v1.9.1