fix get auth token

server/auth.go

@@ -103,7 +103,7 @@ func getAuthToken(ctx context.Context, redirData AuthRedirect, regOpts *Registry
 
 	headers := make(http.Header)
 	headers.Set("Authorization", sig)
-	resp, err := makeRequest(ctx, "GET", redirectURL, headers, nil, regOpts)
+	resp, err := makeRequest(ctx, "GET", redirectURL, headers, nil, nil)
 	if err != nil {
 		log.Printf("couldn't get token: %q", err)
 	}

server/images.go

@@ -1313,10 +1313,12 @@ func makeRequest(ctx context.Context, method string, requestURL *url.URL, header
 		req.Header = headers
 	}
 
-	if regOpts.Token != "" {
-		req.Header.Set("Authorization", "Bearer "+regOpts.Token)
-	} else if regOpts.Username != "" && regOpts.Password != "" {
-		req.SetBasicAuth(regOpts.Username, regOpts.Password)
+	if regOpts != nil {
+		if regOpts.Token != "" {
+			req.Header.Set("Authorization", "Bearer "+regOpts.Token)
+		} else if regOpts.Username != "" && regOpts.Password != "" {
+			req.SetBasicAuth(regOpts.Username, regOpts.Password)
+		}
 	}
 
 	req.Header.Set("User-Agent", fmt.Sprintf("ollama/%s (%s %s) Go/%s", version.Version, runtime.GOARCH, runtime.GOOS, runtime.Version()))