diff --git a/modules/git/repo.go b/modules/git/repo.go
index 0e96ef68d8..3fbec66429 100644
--- a/modules/git/repo.go
+++ b/modules/git/repo.go
@@ -248,26 +248,11 @@ const (
 	statSizeGarbage  = "size-garbage: "
 )
 
-// CountObjects returns the results of git count-objects on the repoPath
-func CountObjects(ctx context.Context, repoPath string) (*CountObject, error) {
-	return CountObjectsWithEnv(ctx, repoPath, nil)
-}
-
-// CountObjectsWithEnv returns the results of git count-objects on the repoPath with custom env setup
-func CountObjectsWithEnv(ctx context.Context, repoPath string, env []string) (*CountObject, error) {
-	cmd := gitcmd.NewCommand("count-objects", "-v")
-	stdout, _, err := cmd.WithDir(repoPath).WithEnv(env).RunStdString(ctx)
-	if err != nil {
-		return nil, err
-	}
-
-	return parseSize(stdout), nil
-}
-
-// parseSize parses the output from count-objects and return a CountObject
-func parseSize(objects string) *CountObject {
+// ParseCountObjectsResult parses the output from git count-objects -v
+// and returns a CountObject struct with the parsed values
+func ParseCountObjectsResult(output string) *CountObject {
 	repoSize := new(CountObject)
-	for line := range strings.SplitSeq(objects, "\n") {
+	for line := range strings.SplitSeq(output, "\n") {
 		switch {
 		case strings.HasPrefix(line, statCount):
 			repoSize.Count, _ = strconv.ParseInt(line[7:], 10, 64)
diff --git a/modules/gitrepo/size.go b/modules/gitrepo/size.go
index 7524bb2542..b3f741dae5 100644
--- a/modules/gitrepo/size.go
+++ b/modules/gitrepo/size.go
@@ -4,8 +4,12 @@
 package gitrepo
 
 import (
+	"context"
 	"os"
 	"path/filepath"
+
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/git/gitcmd"
 )
 
 const notRegularFileMode = os.ModeSymlink | os.ModeNamedPipe | os.ModeSocket | os.ModeDevice | os.ModeCharDevice | os.ModeIrregular
@@ -35,3 +39,20 @@ func CalcRepositorySize(repo Repository) (int64, error) {
 	})
 	return size, err
 }
+
+// CountObjects returns the results of git count-objects on the repository
+func CountObjects(ctx context.Context, repo Repository) (*git.CountObject, error) {
+	return CountObjectsWithEnv(ctx, repo, nil)
+}
+
+// CountObjectsWithEnv returns the results of git count-objects on the repository
+// with custom environment variables (e.g., GIT_QUARANTINE_PATH for pre-receive hooks)
+func CountObjectsWithEnv(ctx context.Context, repo Repository, env []string) (*git.CountObject, error) {
+	cmd := gitcmd.NewCommand("count-objects", "-v")
+	stdout, _, err := cmd.WithDir(repoPath(repo)).WithEnv(env).RunStdString(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return git.ParseCountObjectsResult(stdout), nil
+}
diff --git a/routers/private/hook_pre_receive.go b/routers/private/hook_pre_receive.go
index 76920f575b..7863d7c016 100644
--- a/routers/private/hook_pre_receive.go
+++ b/routers/private/hook_pre_receive.go
@@ -547,7 +547,7 @@ func HookPreReceive(ctx *gitea_context.PrivateContext) {
 
 	// Only do CountObjects (push/repo) when we're doing the repo-size limit at all
 	if needGitDelta {
-		repoSize, err = git.CountObjects(ctx, repo.RepoPath())
+		repoSize, err = gitrepo.CountObjects(ctx, repo)
 		if err != nil {
 			log.Error("Unable to get repository size with env %v: %s Error: %v", repo.RepoPath(), ourCtx.env, err)
 			ctx.JSON(http.StatusInternalServerError, map[string]any{
@@ -556,7 +556,7 @@ func HookPreReceive(ctx *gitea_context.PrivateContext) {
 			return
 		}
 
-		pushSize, err = git.CountObjectsWithEnv(ctx, repo.RepoPath(), ourCtx.env)
+		pushSize, err = gitrepo.CountObjectsWithEnv(ctx, repo, ourCtx.env)
 		if err != nil {
 			log.Error("Unable to get push size with env %v: %s Error: %v", repo.RepoPath(), ourCtx.env, err)
 			ctx.JSON(http.StatusInternalServerError, map[string]any{