Expose low level Index.Remove()

Author: nulltoken

LibGit2Sharp.Tests/IndexFixture.cs

@@ -373,5 +373,24 @@ public void CanClearTheIndex()
                 Assert.Equal(FileStatus.Removed | FileStatus.Untracked, repo.RetrieveStatus(testFile));
             }
         }
+
+        [Theory]
+        [InlineData("new_tracked_file.txt", FileStatus.Added, FileStatus.Untracked)]
+        [InlineData("modified_staged_file.txt", FileStatus.Staged, FileStatus.Removed | FileStatus.Untracked)]
+        [InlineData("i_dont_exist.txt", FileStatus.Nonexistent, FileStatus.Nonexistent)]
+        public void CanRemoveAnEntryFromTheIndex(string pathInTheIndex, FileStatus expectedBeforeStatus, FileStatus expectedAfterStatus)
+        {
+            var path = SandboxStandardTestRepoGitDir();
+            using (var repo = new Repository(path))
+            {
+                var before = repo.RetrieveStatus(pathInTheIndex);
+                Assert.Equal(expectedBeforeStatus, before);
+
+                repo.Index.Remove(pathInTheIndex);
+
+                var after = repo.RetrieveStatus(pathInTheIndex);
+                Assert.Equal(expectedAfterStatus, after);
+            }
+        }
     }
 }

LibGit2Sharp/Index.cs

@@ -162,6 +162,22 @@ private void RemoveFromIndex(string relativePath)
             Proxy.git_index_remove_bypath(handle, relativePath);
         }
 
+        /// <summary>
+        /// Removes a specified entry from the index.
+        /// </summary>
+        /// <param name="indexEntryPath">The path of the <see cref="Index"/> entry to be removed.</param>
+        public virtual void Remove(string indexEntryPath)
+        {
+            if (indexEntryPath == null)
+            {
+                throw new ArgumentNullException("indexEntryPath");
+            }
+
+            RemoveFromIndex(indexEntryPath);
+
+            UpdatePhysicalIndex();
+        }
+
         private void UpdatePhysicalIndex()
         {
             Proxy.git_index_write(handle);