Re: [JGIT PATCH v3 19/23] Added WorkTree class which can be constructed over Repository.

---
 .../src/org/spearce/jgit/lib/Repository.java       |   57 +++++++++++++++++
 .../src/org/spearce/jgit/lib/WorkTree.java         |   67 ++++++++++++++++++++
 2 files changed, 124 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.jgit/src/org/spearce/jgit/lib/WorkTree.java

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
+	public Commit setupHEADRef(final String remoteBranch, final String branch)
+			throws IOException {
+		Commit mapCommit = mapCommit(remoteBranch);
+		String refName = Constants.HEADS_PREFIX + "/" + branch;
+		LockFile masterRef = lockRef(refName);
+		try {
+			masterRef.write(mapCommit.getCommitId());
+			masterRef.commit();
+		} finally {
+			masterRef.unlock();
+		}
+		writeSymref(Constants.HEAD, refName);
+		return mapCommit;
+	}

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/WorkTree.java b/org.spearce.jgit/src/org/spearce/jgit/lib/WorkTree.java
+	/**
+	 * Closes the git repository of this project.
+	 */
+	public void closeRepository() {
+		repository.close();
+	}