add yamlcpp cache

Former-commit-id: eb2d21d9d98d0d514e771cf1563ad44120125ed8

cpp/cmake/ThirdPartyPackages.cmake

@@ -2069,10 +2069,9 @@ macro(build_yamlcpp)
         set(YAMLCPP_CACHE_URL "${JFROG_ARTFACTORY_CACHE_URL}/${YAMLCPP_CACHE_PACKAGE_NAME}")
         set(YAMLCPP_CACHE_PACKAGE_PATH "${THIRDPARTY_PACKAGE_CACHE}/${YAMLCPP_CACHE_PACKAGE_NAME}")
 
-        file(DOWNLOAD ${YAMLCPP_CACHE_URL} ${YAMLCPP_CACHE_PACKAGE_PATH} STATUS status)
-        list(GET status 0 status_code)
-        message(STATUS "DOWNLOADING FROM ${YAMLCPP_CACHE_URL} TO ${YAMLCPP_CACHE_PACKAGE_PATH}. STATUS = ${status_code}")
-        if (NOT status_code EQUAL 0)
+        execute_process(COMMAND wget -q --method HEAD ${YAMLCPP_CACHE_URL} RESULT_VARIABLE return_code)
+        message(STATUS "Check the remote file ${YAMLCPP_CACHE_URL}. return code = ${return_code}")
+        if (NOT return_code EQUAL 0)
             externalproject_add(yaml-cpp_ep
                     URL
                     ${YAMLCPP_SOURCE_URL}
@@ -2087,8 +2086,13 @@ macro(build_yamlcpp)
 
             ExternalProject_Create_Cache(yaml-cpp_ep ${YAMLCPP_CACHE_PACKAGE_PATH} "${CMAKE_CURRENT_BINARY_DIR}/yaml-cpp_ep-prefix" ${JFROG_USER_NAME} ${JFROG_PASSWORD} ${YAMLCPP_CACHE_URL})
         else()
+            file(DOWNLOAD ${YAMLCPP_CACHE_URL} ${YAMLCPP_CACHE_PACKAGE_PATH} STATUS status)
+            list(GET status 0 status_code)
+            message(STATUS "DOWNLOADING FROM ${YAMLCPP_CACHE_URL} TO ${YAMLCPP_CACHE_PACKAGE_PATH}. STATUS = ${status_code}")
+            if (status_code EQUAL 0)
                 ExternalProject_Use_Cache(yaml-cpp_ep ${YAMLCPP_CACHE_PACKAGE_PATH} ${CMAKE_CURRENT_BINARY_DIR})
             endif()
+        endif()
     else()
         externalproject_add(yaml-cpp_ep
                 URL