[PATCH 5/7] Added removePackedRef method to RefDatabase for packed branch deletion

@@ -121,7 +121,7 @@ class RefDatabase {
 	}
 
 	/**
-	 * Create a command to update (or create) a ref in this repository.
+	 * Create a command to update, create or delete a ref in this repository.
 	 * 
 	 * @param name
 	 *            name of the ref the caller wants to modify.

@@ -432,6 +432,20 @@ class RefDatabase {
 			throw new ObjectWritingException("Unable to write " + name);
 	}
 
+	void removePackedRef(String name) throws IOException {
+		packedRefs.remove(name);
+		writePackedRefs();
+	}
+
+	private void writePackedRefs() throws IOException {
+		new RefWriter(packedRefs.values()) {
+			@Override
+			protected void writeFile(String name, byte[] content) throws IOException {
+				lockAndWriteFile(new File(db.getDirectory(), name), content);
+			}
+		}.writePackedRefs();
+	}
+
 	private static String readLine(final File file)
 			throws FileNotFoundException, IOException {
 		final BufferedReader br = openReader(file);

@@ -493,7 +493,7 @@ public class Repository {
 	}
 
 	/**
-	 * Create a command to update (or create) a ref in this repository.
+	 * Create a command to update, create or delete a ref in this repository.
 	 * 
 	 * @param ref
 	 *            name of the ref the caller wants to modify.