Remove the mess

1 files changed, 0 insertions, 43 deletions

diff --git a/forged/internal/oldgit/patch.go b/forged/internal/oldgit/patch.go
deleted file mode 100644
index fc8ef98..0000000
--- a/forged/internal/oldgit/patch.go
+++ /dev/null
@@ -1,43 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-only
-// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
-
-package oldgit
-
-import (
-	"errors"
-
-	"github.com/go-git/go-git/v5/plumbing"
-	"github.com/go-git/go-git/v5/plumbing/object"
-)
-
-// CommitToPatch creates an [object.Patch] from the first parent of a given
-// [object.Commit].
-//
-// TODO: This function should be deprecated as it only diffs with the first
-// parent and does not correctly handle merge commits.
-func CommitToPatch(commit *object.Commit) (parentCommitHash plumbing.Hash, patch *object.Patch, err error) {
-	var parentCommit *object.Commit
-	var commitTree *object.Tree
-
-	parentCommit, err = commit.Parent(0)
-	switch {
-	case errors.Is(err, object.ErrParentNotFound):
-		if commitTree, err = commit.Tree(); err != nil {
-			return
-		}
-		if patch, err = NullTree.Patch(commitTree); err != nil {
-			return
-		}
-	case err != nil:
-		return
-	default:
-		parentCommitHash = parentCommit.Hash
-		if patch, err = parentCommit.Patch(commit); err != nil {
-			return
-		}
-	}
-	return
-}
-
-// NullTree is a tree object that is empty and has no hash.
-var NullTree object.Tree //nolint:gochecknoglobals