Temporary rename info/alternates so --batch-all-objects doesn't follow it (#2039)

app/api/controller/githook/pre_receive.go

@@ -93,18 +93,13 @@ func (c *Controller) PreReceive(
 		return hook.Output{}, fmt.Errorf("failed to extend pre-receive hook: %w", err)
 	}
 
-	// File size check currently checks all the blobs in alternate as well in the original repo dirs.
-	// We want to check file size only in alternate dirs.
-	// Temporarily comment out file size check until the solution is found.
-	// TODO: find the way to check the blob size only in alternate dirs.
-
-	// err = c.checkFileSizeLimit(ctx, rgit, repo, in, &output)
-	// if output.Error != nil {
-	// 	return output, nil
-	// }
-	// if err != nil {
-	// 	return hook.Output{}, err
-	// }
+	err = c.checkFileSizeLimit(ctx, rgit, repo, in, &output)
+	if output.Error != nil {
+		return output, nil
+	}
+	if err != nil {
+		return hook.Output{}, err
+	}
 
 	return output, nil
 }

app/api/controller/githook/pre_receive_file_size_limit.go

@@ -26,7 +26,6 @@ import (
 	"github.com/gotidy/ptr"
 )
 
-// nolint:unused
 func (c *Controller) checkFileSizeLimit(
 	ctx context.Context,
 	rgit RestrictedGIT,

app/api/controller/githook/print.go

@@ -104,7 +104,6 @@ func FMTDuration(d time.Duration) string {
 	return d.String()
 }
 
-// nolint:unused
 func printOversizeFiles(
 	output *hook.Output,
 	oversizeFiles []git.FileInfo,

git/commit.go

@@ -18,6 +18,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
+	"os"
 	"time"
 
 	"github.com/harness/gitness/errors"
@@ -306,6 +307,16 @@ func catFileBatchCheckAllObjects(
 	repoPath string,
 	gitObjDir string,
 ) ([]parser.BatchCheckObject, error) {
+	// "info/alternates" points to the original repository.
+	const oldFilename = "/info/alternates"
+	const newFilename = "/info/alternates.bkp"
+
+	// --batch-all-objects reports objects in the current repository and in all alternate directories.
+	// We want to report objects in the current repository only.
+	if err := os.Rename(gitObjDir+oldFilename, gitObjDir+newFilename); err != nil && !os.IsNotExist(err) {
+		return nil, fmt.Errorf("failed to rename %s to %s: %w", oldFilename, newFilename, err)
+	}
+
 	cmd := command.New("cat-file",
 		command.WithFlag("--batch-check"),
 		command.WithFlag("--batch-all-objects"),
@@ -328,5 +339,9 @@ func catFileBatchCheckAllObjects(
 		return nil, fmt.Errorf("failed to parse output of cat-file batch check all objects: %w", err)
 	}
 
+	if err := os.Rename(gitObjDir+newFilename, gitObjDir+oldFilename); err != nil && !os.IsNotExist(err) {
+		return nil, fmt.Errorf("failed to rename %s to %s: %w", newFilename, oldFilename, err)
+	}
+
 	return objects, nil
 }