Merge branch 'stable-7.3'HEADmaster

* stable-7.3:
  Shortcut PackWriter reuse selection when possible
  Don't use Yoda style conditions to improve readability

Change-Id: Ic8ca92cfc294ca01540218151bafca889256847b

1 files changed, 57 insertions, 0 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/Iterators.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/Iterators.java
new file mode 100644
index 0000000000..74b728bdf7
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/Iterators.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2025, NVIDIA Corporation.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+package org.eclipse.jgit.util;
+
+import java.util.Iterator;
+
+/**
+ * Utility class for Iterators
+ *
+ * @since 6.10.2
+ */
+public class Iterators {
+	/**
+	 * Create an iterator which traverses an array in reverse.
+	 *
+	 * @param array T[]
+	 * @return Iterator<T>
+	 */
+	public static <T> Iterator<T> reverseIterator(T[] array) {
+		return new Iterator<>() {
+			int index = array.length;
+
+			@Override
+			public boolean hasNext() {
+				return index > 0;
+			}
+
+			@Override
+			public T next() {
+				return array[--index];
+			}
+		};
+	}
+
+	/**
+	 * Make an iterable for easy use in modern for loops.
+	 *
+	 * @param iterator Iterator<T>
+	 * @return Iterable<T>
+	 */
+	public static <T> Iterable<T> iterable(Iterator<T> iterator) {
+		return new Iterable<>() {
+			@Override
+			public Iterator<T> iterator() {
+				return iterator;
+			}
+		};
+	}
+}