From 32c9cc26fc885d40e3e1de64b2490dade305f92f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9E=D0=BB=D0=B5=D0=B3=20=D0=91=D0=BE=D1=80=D0=BE=D0=B4?=
 =?UTF-8?q?=D0=B8=D0=BD?= <onborodin@gmail.com>
Date: Sun, 1 Mar 2026 21:35:40 +0200
Subject: [PATCH] working commit

---
 client.go      | 13 +++++++++++++
 client_test.go |  4 ++--
 getman.go      |  5 +++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/client.go b/client.go
index 404fece..0983196 100644
--- a/client.go
+++ b/client.go
@@ -22,6 +22,19 @@ func NewClient() *Client {
 	}
 }
 
+func NewClientWithTransport(transport http.RoundTripper, mwFunc ...MiddlewareFunc) *Client {
+	if transport == nil {
+		transport = NewDefaultTransport()
+	}
+	httpClient := &http.Client{
+		Transport: transport,
+	}
+	return &Client{
+		httpClient: httpClient,
+		userAgent:  "ociClient/1.0",
+	}
+}
+
 func (cli *Client) SetTransport(transport http.RoundTripper) {
 	cli.httpClient.Transport = transport
 }
diff --git a/client_test.go b/client_test.go
index af759ee..efcb220 100644
--- a/client_test.go
+++ b/client_test.go
@@ -33,7 +33,7 @@ func xxxTestClientGetManifest(t *testing.T) {
 	}
 }
 
-func TestClientManifestExists(t *testing.T) {
+func xxxTestClientManifestExists(t *testing.T) {
 	rawrepo := "mirror.gcr.io/alpine"
 	tags := []string{
 		"3.20.0",
@@ -70,7 +70,7 @@ func xxxTestClientBlobExists(t *testing.T) {
 	}
 }
 
-func TestClientGetBlob(t *testing.T) {
+func xxxTestClientGetBlob(t *testing.T) {
 	rawrepos := []string{
 		"mirror.gcr.io/alpine",
 	}
diff --git a/getman.go b/getman.go
index ba727b6..a51dc84 100644
--- a/getman.go
+++ b/getman.go
@@ -3,6 +3,7 @@ package repocli
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"net/http"
 	"strconv"
@@ -41,6 +42,10 @@ func (cli *Client) GetManifest(ctx context.Context, rawrepo, tag string) (bool,
 		return exist, mime, man, err
 	}
 	contentLength := resp.Header.Get("Content-Length")
+	if contentLength == "" {
+		err = errors.New("Empty Content-Length header")
+		return exist, mime, man, err
+	}
 	manSize, err := strconv.ParseInt(contentLength, 10, 64)
 	if err != nil {
 		return exist, mime, man, err