remove unnecessary duplicate code (#34733)

Author: lunny

modules/git/commit_info_nogogit.go

@@ -7,8 +7,6 @@ package git
 
 import (
 	"context"
-	"fmt"
-	"io"
 	"path"
 	"sort"
 
@@ -124,48 +122,25 @@ func GetLastCommitForPaths(ctx context.Context, commit *Commit, treePath string,
 		return nil, err
 	}
 
-	batchStdinWriter, batchReader, cancel, err := commit.repo.CatFileBatch(ctx)
-	if err != nil {
-		return nil, err
-	}
-	defer cancel()
-
 	commitsMap := map[string]*Commit{}
 	commitsMap[commit.ID.String()] = commit
 
 	commitCommits := map[string]*Commit{}
 	for path, commitID := range revs {
-		c, ok := commitsMap[commitID]
-		if ok {
-			commitCommits[path] = c
+		if len(commitID) == 0 {
 			continue
 		}
 
-		if len(commitID) == 0 {
+		c, ok := commitsMap[commitID]
+		if ok {
+			commitCommits[path] = c
 			continue
 		}
 
-		_, err := batchStdinWriter.Write([]byte(commitID + "\n"))
-		if err != nil {
-			return nil, err
-		}
-		_, typ, size, err := ReadBatchLine(batchReader)
+		c, err := commit.repo.GetCommit(commitID) // Ensure the commit exists in the repository
 		if err != nil {
 			return nil, err
 		}
-		if typ != "commit" {
-			if err := DiscardFull(batchReader, size+1); err != nil {
-				return nil, err
-			}
-			return nil, fmt.Errorf("unexpected type: %s for commit id: %s", typ, commitID)
-		}
-		c, err = CommitFromReader(commit.repo, MustIDFromString(commitID), io.LimitReader(batchReader, size))
-		if err != nil {
-			return nil, err
-		}
-		if _, err := batchReader.Discard(1); err != nil {
-			return nil, err
-		}
 		commitCommits[path] = c
 	}