1 files changed, 55 insertions, 0 deletions
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
index 8549118ab2..479ac7e5cf 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
@@ -479,6 +479,61 @@ public class TestRepository<R extends Repository> {
 	}
 
 	/**
+	 * Soft-reset HEAD to a detached state.
+	 * <p>
+	 * @param id
+	 *            ID of detached head.
+	 * @throws Exception
+	 * @see #reset(String)
+	 */
+	public void reset(AnyObjectId id) throws Exception {
+		RefUpdate ru = db.updateRef(Constants.HEAD, true);
+		ru.setNewObjectId(id);
+		RefUpdate.Result result = ru.forceUpdate();
+		switch (result) {
+			case FAST_FORWARD:
+			case FORCED:
+			case NEW:
+			case NO_CHANGE:
+				break;
+			default:
+				throw new IOException(String.format(
+						"Checkout \"%s\" failed: %s", id.name(), result));
+		}
+	}
+
+	/**
+	 * Soft-reset HEAD to a different commit.
+	 * <p>
+	 * This is equivalent to {@code git reset --soft} in that it modifies HEAD but
+	 * not the index or the working tree of a non-bare repository.
+	 *
+	 * @param name
+	 *            revision string; either an existing ref name, or something that
+	 *            can be parsed to an object ID.
+	 * @throws Exception
+	 */
+	public void reset(String name) throws Exception {
+		RefUpdate.Result result;
+		ObjectId id = db.resolve(name);
+		if (id == null)
+			throw new IOException("Not a revision: " + name);
+		RefUpdate ru = db.updateRef(Constants.HEAD, false);
+		ru.setNewObjectId(id);
+		result = ru.forceUpdate();
+		switch (result) {
+			case FAST_FORWARD:
+			case FORCED:
+			case NEW:
+			case NO_CHANGE:
+				break;
+			default:
+				throw new IOException(String.format(
+						"Checkout \"%s\" failed: %s", name, result));
+		}
+	}
+
+	/**
 	 * Update the dumb client server info files.
 	 *
 	 * @throws Exception