1 files changed, 2 insertions, 31 deletions
diff --git a/services/gitdiff/gitdiff.go b/services/gitdiff/gitdiff.go
index 97daadbc6..37dc0e114 100644
--- a/services/gitdiff/gitdiff.go
+++ b/services/gitdiff/gitdiff.go
@@ -1417,37 +1417,8 @@ func GetDiff(gitRepo *git.Repository, opts *DiffOptions, files ...string) (*Diff
 	}
 	diff.Start = opts.SkipTo
 
-	var checker *git.CheckAttributeReader
-
-	if git.CheckGitVersionAtLeast("1.7.8") == nil {
-		indexFilename, worktree, deleteTemporaryFile, err := gitRepo.ReadTreeToTemporaryIndex(opts.AfterCommitID)
-		if err == nil {
-			defer deleteTemporaryFile()
-
-			checker = &git.CheckAttributeReader{
-				Attributes: []string{"linguist-vendored", "linguist-generated", "linguist-language", "gitlab-language"},
-				Repo:       gitRepo,
-				IndexFile:  indexFilename,
-				WorkTree:   worktree,
-			}
-			ctx, cancel := context.WithCancel(gitRepo.Ctx)
-			if err := checker.Init(ctx); err != nil {
-				log.Error("Unable to open checker for %s. Error: %v", opts.AfterCommitID, err)
-			} else {
-				go func() {
-					err := checker.Run()
-					if err != nil && err != ctx.Err() {
-						log.Error("Unable to open checker for %s. Error: %v", opts.AfterCommitID, err)
-					}
-					cancel()
-				}()
-			}
-			defer func() {
-				_ = checker.Close()
-				cancel()
-			}()
-		}
-	}
+	checker, deferable := gitRepo.CheckAttributeReader(opts.AfterCommitID)
+	defer deferable()
 
 	for _, diffFile := range diff.Files {