ci: skip vcpkg updates based on the requested revision

src/Vcpkg.cmake

@@ -59,28 +59,44 @@ macro(_bootstrap_vcpkg)
 endmacro()
 
 macro(_is_vcpkg_outdated)
- if("${_vcpkg_args_VCPKG_UPDATE_THRESHOLD}" STREQUAL "")
- set(_vcpkg_args_VCPKG_UPDATE_THRESHOLD 3600)
- endif()
+ # skip the update if the requested revision is the same as the current revision
+ git_revision(_REVISION REPOSITORY_PATH "${_vcpkg_args_VCPKG_DIR}")
+ if(NOT "${_vcpkg_args_VCPKG_REV}" STREQUAL "" AND "${_REVISION}" STREQUAL
+ "${_vcpkg_args_VCPKG_REV}"
+ )
+ message(STATUS "Skipping vcpkg update as it's already at ${_REVISION}")
+ set(_vcpkg_args_ENABLE_VCPKG_UPDATE OFF)
+ elseif(NOT "${_vcpkg_args_VCPKG_REV}" STREQUAL "" AND NOT "${_REVISION}" STREQUAL
+ "${_vcpkg_args_VCPKG_REV}"
+ )
+ # Requested revision is different from the current revision, so update
+ set(_vcpkg_args_ENABLE_VCPKG_UPDATE ON)
+ else()
+ # Requested revision is not specified, so update depending on the timestamp
+ # Check if the vcpkg registry is updated using the timestamp file that project_option generates
+ if("${_vcpkg_args_VCPKG_UPDATE_THRESHOLD}" STREQUAL "")
+ set(_vcpkg_args_VCPKG_UPDATE_THRESHOLD 3600)
+ endif()
 
- if(${_vcpkg_args_ENABLE_VCPKG_UPDATE})
- set(_time_stamp_file "${VCPKG_PARENT_DIR}/.vcpkg_last_update")
-
- if(EXISTS "${_time_stamp_file}")
- string(TIMESTAMP _current_time "%s")
- file(TIMESTAMP "${_time_stamp_file}" _vcpkg_last_update "%s")
- # if the last update was more than VCPKG_UPDATE_THRESHOLD
- math(EXPR time_diff "${_current_time} - ${_vcpkg_last_update}")
- if(${time_diff} GREATER ${_vcpkg_args_VCPKG_UPDATE_THRESHOLD})
+ if(${_vcpkg_args_ENABLE_VCPKG_UPDATE})
+ set(_time_stamp_file "${VCPKG_PARENT_DIR}/.vcpkg_last_update")
+
+ if(EXISTS "${_time_stamp_file}")
+ string(TIMESTAMP _current_time "%s")
+ file(TIMESTAMP "${_time_stamp_file}" _vcpkg_last_update "%s")
+ # if the last update was more than VCPKG_UPDATE_THRESHOLD
+ math(EXPR time_diff "${_current_time} - ${_vcpkg_last_update}")
+ if(${time_diff} GREATER ${_vcpkg_args_VCPKG_UPDATE_THRESHOLD})
+ set(_vcpkg_args_ENABLE_VCPKG_UPDATE ON)
+ file(TOUCH "${_time_stamp_file}")
+ else()
+ message(STATUS "vcpkg updated recently. Skipping update.")
+ set(_vcpkg_args_ENABLE_VCPKG_UPDATE OFF)
+ endif()
+ else()
  set(_vcpkg_args_ENABLE_VCPKG_UPDATE ON)
  file(TOUCH "${_time_stamp_file}")
- else()
- message(STATUS "vcpkg updated recently. Skipping update.")
- set(_vcpkg_args_ENABLE_VCPKG_UPDATE OFF)
  endif()
- else()
- set(_vcpkg_args_ENABLE_VCPKG_UPDATE ON)
- file(TOUCH "${_time_stamp_file}")
  endif()
  endif()
 endmacro()